/* ============================================
   SISTEM INFORMASI PERPUSTAKAAN
   Modern Minimalist Glassmorphism
   Cream + Cokelat Espresso + Beige
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Colors */
    --cream: #FFF8F0;
    --cream-light: #FFFDF9;
    --beige: #F5E6D3;
    --beige-dark: #E8D5BF;
    --espresso: #3E2723;
    --espresso-medium: #5D4037;
    --espresso-light: #8D6E63;
    --warm-brown: #A1887F;
    --warm-brown-light: #BCAAA4;
    --accent: #6D4C41;
    --accent-hover: #4E342E;
    
    /* Status Colors */
    --success: #66BB6A;
    --success-bg: rgba(102, 187, 106, 0.1);
    --warning: #FFA726;
    --warning-bg: rgba(255, 167, 38, 0.1);
    --danger: #EF5350;
    --danger-bg: rgba(239, 83, 80, 0.1);
    --info: #42A5F5;
    --info-bg: rgba(66, 165, 245, 0.1);

    /* Glass */
    --glass-bg: rgba(255, 248, 240, 0.65);
    --glass-bg-strong: rgba(255, 248, 240, 0.85);
    --glass-border: rgba(62, 39, 35, 0.08);
    --glass-shadow: 0 8px 32px rgba(62, 39, 35, 0.08);
    --glass-shadow-hover: 0 12px 40px rgba(62, 39, 35, 0.12);
    --glass-blur: blur(20px);
    
    /* Sidebar */
    --sidebar-bg: rgba(62, 39, 35, 0.92);
    --sidebar-width: 280px;
    --sidebar-collapsed: 0px;

    /* Typography */
    --font-primary: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--cream);
    color: var(--espresso);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   BACKGROUND PATTERN
   ============================================ */
body.admin-body {
    background: var(--cream);
    background-image: 
        radial-gradient(ellipse at 20% 50%, rgba(141, 110, 99, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(245, 230, 211, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(161, 136, 127, 0.05) 0%, transparent 50%);
    min-height: 100vh;
}

body.public-body {
    background-color: #FFFDF9;
    background-image: 
        radial-gradient(at 10% 15%, rgba(245, 230, 211, 0.85) 0px, transparent 50%),
        radial-gradient(at 90% 10%, rgba(215, 204, 200, 0.45) 0px, transparent 50%),
        radial-gradient(at 50% 45%, rgba(255, 248, 240, 0.95) 0px, transparent 60%),
        radial-gradient(at 85% 85%, rgba(232, 213, 191, 0.6) 0px, transparent 55%),
        radial-gradient(at 15% 85%, rgba(188, 170, 164, 0.3) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
}

body.login-body {
    background: linear-gradient(135deg, var(--espresso) 0%, var(--espresso-medium) 50%, var(--accent) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--espresso);
    line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

.page-title {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--espresso);
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--espresso-light);
    font-size: 0.9rem;
    font-weight: 400;
}

/* ============================================
   GLASS CARD
   ============================================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
    transition: var(--transition);
}

.glass-card:hover {
    box-shadow: var(--glass-shadow-hover);
    transform: translateY(-2px);
}

.glass-card-static {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
}

.glass-card-strong {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
}

/* ============================================
   ADMIN LAYOUT
   ============================================ */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1000;
    transition: var(--transition);
    border-right: 1px solid rgba(255,255,255,0.05);
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
}

.sidebar-brand {
    padding: 1.5rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--warm-brown), var(--espresso-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.sidebar-brand-text {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.sidebar-brand-text small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    opacity: 0.6;
    margin-top: 2px;
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.35);
    padding: 1rem 1.25rem 0.5rem;
    font-weight: 600;
}

.sidebar-nav-item {
    display: block;
    padding: 0.65rem 1.25rem;
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-left: 3px solid transparent;
    cursor: pointer;
}

.sidebar-nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-left-color: rgba(255,255,255,0.3);
}

.sidebar-nav-item.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border-left-color: var(--warm-brown);
    font-weight: 500;
}

.sidebar-nav-item i {
    width: 20px;
    text-align: center;
    font-size: 0.95rem;
    opacity: 0.8;
}

.sidebar-nav-item.active i {
    opacity: 1;
}

.sidebar-submenu {
    display: none;
    padding-left: 0;
}

.sidebar-submenu.show {
    display: block;
}

.sidebar-submenu .sidebar-nav-item {
    padding-left: 3.25rem;
    font-size: 0.8rem;
}

.sidebar-toggle-icon {
    margin-left: auto;
    font-size: 0.7rem;
    transition: var(--transition-fast);
}

.sidebar-nav-item.open .sidebar-toggle-icon {
    transform: rotate(90deg);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    transition: var(--transition);
}

/* Top Header */
.top-header {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 1.5rem;
    height: 65px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--espresso);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.hamburger-btn:hover {
    background: var(--beige);
}

/* Search Bar */
.search-global {
    position: relative;
    width: 350px;
}

.search-global input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    background: var(--beige);
    border: 1px solid transparent;
    border-radius: var(--radius-xl);
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--espresso);
    transition: var(--transition);
    outline: none;
}

.search-global input::placeholder {
    color: var(--warm-brown);
}

.search-global input:focus {
    background: #fff;
    border-color: var(--espresso-light);
    box-shadow: 0 0 0 3px rgba(141, 110, 99, 0.1);
}

.search-global i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--warm-brown);
    font-size: 0.85rem;
}

.search-results-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 200;
}

.search-results-dropdown.show {
    display: block;
}

.search-result-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--glass-border);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.search-result-item:hover {
    background: var(--beige);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-icon {
    width: 36px;
    height: 36px;
    background: var(--beige);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--espresso-light);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.search-result-text strong {
    display: block;
    font-size: 0.85rem;
    color: var(--espresso);
}

.search-result-text small {
    color: var(--espresso-light);
    font-size: 0.75rem;
}

.top-header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    background: var(--beige);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition-fast);
}

.header-user:hover {
    background: var(--beige-dark);
}

.header-user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--espresso-light), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 600;
}

.header-user-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--espresso);
}

/* Content Area */
.content-area {
    padding: 1.5rem;
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ============================================
   STAT CARDS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 1.25rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--espresso-light), var(--warm-brown));
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glass-shadow-hover);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.stat-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.stat-card-icon.blue { background: var(--info-bg); color: var(--info); }
.stat-card-icon.green { background: var(--success-bg); color: var(--success); }
.stat-card-icon.orange { background: var(--warning-bg); color: var(--warning); }
.stat-card-icon.red { background: var(--danger-bg); color: var(--danger); }
.stat-card-icon.brown { background: rgba(141, 110, 99, 0.1); color: var(--espresso-light); }

.stat-card-value {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--espresso);
    line-height: 1;
}

.stat-card-label {
    font-size: 0.8rem;
    color: var(--espresso-light);
    margin-top: 0.25rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
    white-space: nowrap;
}

.btn:hover:not(:disabled):not(.btn-disabled) {
    transform: translateY(-1px);
}

.btn:active:not(:disabled):not(.btn-disabled) {
    transform: translateY(0);
}

.btn:disabled,
.btn[disabled],
.btn.btn-disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
    filter: saturate(0.7);
}

.btn-primary {
    background: linear-gradient(135deg, var(--espresso-medium), var(--espresso));
    color: #fff;
    box-shadow: 0 4px 12px rgba(62, 39, 35, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 6px 16px rgba(62, 39, 35, 0.3);
    color: #fff;
}

.btn-secondary {
    background: var(--beige);
    color: var(--espresso);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--beige-dark);
    color: var(--espresso);
}

.btn-success {
    background: linear-gradient(135deg, #66BB6A, #4CAF50);
    color: #fff;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.2);
}

.btn-success:hover {
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.3);
    color: #fff;
}

.btn-warning {
    background: linear-gradient(135deg, #FFA726, #FF9800);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.2);
}

.btn-danger {
    background: linear-gradient(135deg, #EF5350, #E53935);
    color: #fff;
    box-shadow: 0 4px 12px rgba(229, 57, 53, 0.2);
}

.btn-danger:hover {
    box-shadow: 0 6px 16px rgba(229, 57, 53, 0.3);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--espresso);
    border: 1px solid var(--glass-border);
}

.btn-outline:hover {
    background: var(--beige);
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.78rem;
}

.btn-lg {
    padding: 0.8rem 1.75rem;
    font-size: 0.95rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--espresso);
    margin-bottom: 0.4rem;
}

.form-label .required {
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 0.65rem 1rem;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--beige-dark);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--espresso);
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--espresso-light);
    box-shadow: 0 0 0 3px rgba(141, 110, 99, 0.1);
    background: #fff;
}

.form-control::placeholder {
    color: var(--warm-brown-light);
}

.form-control.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px var(--danger-bg);
}

.form-control-lg {
    padding: 0.85rem 1.25rem;
    font-size: 1rem;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235D4037' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-text {
    font-size: 0.78rem;
    color: var(--espresso-light);
    margin-top: 0.25rem;
}

.invalid-feedback {
    font-size: 0.78rem;
    color: var(--danger);
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    accent-color: var(--espresso-light);
    width: 16px;
    height: 16px;
}

/* ============================================
   TABLE
   ============================================ */
.glass-card-table {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    padding: 0;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
    margin: 0;
}

.table thead th {
    background: var(--beige);
    padding: 0.85rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--espresso);
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.table tbody td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--glass-border);
    vertical-align: middle;
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(245, 230, 211, 0.3);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    list-style: none;
    padding: 1rem 0;
    margin: 0;
}

.pagination li {
    display: inline-block;
}

.pagination li a,
.pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 0.5rem;
    border-radius: var(--radius-sm);
    background: var(--beige);
    color: var(--espresso);
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    border: 1px solid var(--glass-border);
}

.pagination li a:hover {
    background: var(--espresso-light);
    color: #fff;
    border-color: var(--espresso-light);
}

.pagination li.active a,
.pagination li.active span {
    background: var(--espresso);
    color: #fff;
    border-color: var(--espresso);
    box-shadow: 0 2px 6px rgba(62, 39, 35, 0.25);
}

.pagination li.disabled a,
.pagination li.disabled span {
    opacity: 0.4;
    cursor: not-allowed;
    background: transparent;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-xl);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-info {
    background: var(--info-bg);
    color: var(--info);
}

.badge-secondary {
    background: var(--beige);
    color: var(--espresso-light);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
    animation: slideDown 0.3s ease;
    border: 1px solid;
}

.alert-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.alert-success {
    background: var(--success-bg);
    color: #2E7D32;
    border-color: rgba(102, 187, 106, 0.2);
}

.alert-warning {
    background: var(--warning-bg);
    color: #E65100;
    border-color: rgba(255, 167, 38, 0.2);
}

.alert-danger {
    background: var(--danger-bg);
    color: #C62828;
    border-color: rgba(239, 83, 80, 0.2);
}

.alert-info {
    background: var(--info-bg);
    color: #1565C0;
    border-color: rgba(66, 165, 245, 0.2);
}

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0.6;
    transition: var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    justify-content: center;
    margin-top: 1.5rem;
}

.pagination li a,
.pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--espresso);
    transition: var(--transition-fast);
    text-decoration: none;
}

.pagination li a:hover {
    background: var(--beige);
}

.pagination li.active span {
    background: var(--espresso-medium);
    color: #fff;
}

.pagination li.disabled span {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(62, 39, 35, 0.4);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 64px rgba(62, 39, 35, 0.2);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}

.modal-overlay.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.1rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--espresso-light);
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--espresso);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-container {
    width: 100%;
    max-width: 420px;
    padding: 1rem;
}

.login-card {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-xl);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.3);
    padding: 2.5rem;
    text-align: center;
    animation: fadeInUp 0.6s ease;
}

.login-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--espresso-medium), var(--espresso));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: #fff;
    box-shadow: 0 8px 24px rgba(62, 39, 35, 0.3);
}

.login-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--espresso);
    margin-bottom: 0.25rem;
}

.login-subtitle {
    color: var(--espresso-light);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.login-form .form-group {
    text-align: left;
}

.login-form .btn-primary {
    width: 100%;
    padding: 0.85rem;
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

/* ============================================
   PUBLIC LAYOUT
   ============================================ */
.public-header {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 2rem;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.public-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.public-brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--espresso-medium), var(--espresso));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
}

.public-brand-text {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--espresso);
}

.public-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.public-nav a {
    padding: 0.5rem 1.25rem;
    color: var(--espresso-medium);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.public-nav a:hover,
.public-nav a.active {
    color: var(--espresso);
    background: var(--beige);
}

.public-nav-mobile-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--espresso);
    cursor: pointer;
}

.public-main {
    min-height: calc(100vh - 140px);
}

.public-footer {
    background: var(--espresso);
    color: rgba(255,255,255,0.7);
    padding: 2rem;
    text-align: center;
    font-size: 0.85rem;
}

.public-footer a {
    color: var(--warm-brown-light);
}

/* Hero Section */
.hero-section {
    padding: 4rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(62, 39, 35, 0.03) 0%, rgba(245, 230, 211, 0.3) 100%);
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--espresso);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--espresso-light);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 2.5rem;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 800;
    color: var(--espresso);
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--espresso-light);
}

/* ============================================
   BOOK CARD (PUBLIC CATALOG)
   ============================================ */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    padding: 0;
}

.book-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.book-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--glass-shadow-hover);
}

.book-card-cover {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--beige), var(--beige-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.book-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-card-cover .no-cover {
    font-size: 3rem;
    color: var(--warm-brown-light);
}

.book-card-body {
    padding: 1rem;
}

.book-card-title {
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--espresso);
    margin-bottom: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-card-author {
    font-size: 0.8rem;
    color: var(--espresso-light);
    margin-bottom: 0.5rem;
}

.book-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.book-card-code {
    font-size: 0.72rem;
    color: var(--warm-brown);
    font-family: monospace;
}

/* ============================================
   LOAN CART
   ============================================ */
.loan-cart {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

.loan-cart-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.loan-cart-body {
    padding: 1.25rem;
}

.loan-cart-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.loan-cart-item:last-child {
    border-bottom: none;
}

.loan-cart-item-info {
    flex: 1;
}

.loan-cart-item-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--espresso);
}

.loan-cart-item-code {
    font-size: 0.78rem;
    color: var(--espresso-light);
    font-family: monospace;
}

.loan-cart-item-remove {
    background: var(--danger-bg);
    color: var(--danger);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.loan-cart-item-remove:hover {
    background: var(--danger);
    color: #fff;
}

.loan-cart-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--glass-border);
}

/* Scanner Area */
.scanner-area {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.scan-input-group {
    display: flex;
    gap: 0.5rem;
}

.scan-input-group .form-control {
    font-size: 1.1rem;
    padding: 0.85rem 1.25rem;
    font-family: monospace;
    letter-spacing: 1px;
}

.camera-preview {
    width: 100%;
    max-width: 400px;
    height: 250px;
    background: #000;
    border-radius: var(--radius-md);
    margin: 1rem auto;
    display: none;
    overflow: hidden;
}

.camera-preview.active {
    display: block;
}

.camera-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   CHART CONTAINER
   ============================================ */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* ============================================
   PRINT STYLES
   ============================================ */
.print-only {
    display: none;
}

/* ============================================
   LOADING / SPINNER
   ============================================ */
.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--beige);
    border-top-color: var(--espresso-light);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 248, 240, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    flex-direction: column;
    gap: 1rem;
}

.loading-text {
    font-size: 0.9rem;
    color: var(--espresso-light);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--espresso-light);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.empty-state-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--espresso);
}

.empty-state-text {
    font-size: 0.875rem;
}

/* ============================================
   BARCODE DISPLAY
   ============================================ */
.barcode-display {
    text-align: center;
    padding: 1rem;
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
}

.barcode-display svg {
    max-width: 100%;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-fade-in {
    animation: fadeInUp 0.5s ease;
}

.animate-fade-in-delay-1 { animation-delay: 0.1s; animation-fill-mode: both; }
.animate-fade-in-delay-2 { animation-delay: 0.2s; animation-fill-mode: both; }
.animate-fade-in-delay-3 { animation-delay: 0.3s; animation-fill-mode: both; }

/* ============================================
   PUBLIC HEADER & NAVIGATION
   ============================================ */
.public-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 3rem;
    background: rgba(255, 253, 249, 0.88);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(62, 39, 35, 0.08);
    box-shadow: 0 4px 20px rgba(62, 39, 35, 0.03);
    transition: var(--transition);
}

.public-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
}

.public-brand-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--espresso), #5D4037);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFDF9;
    font-size: 1.2rem;
    box-shadow: 0 4px 14px rgba(62, 39, 35, 0.25);
    transition: var(--transition);
}

.public-brand:hover .public-brand-icon {
    transform: scale(1.05) rotate(-3deg);
}

.public-brand-text {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--espresso);
    letter-spacing: -0.3px;
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.public-brand-text small {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--espresso-light);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.public-nav {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.public-nav a:not(.btn) {
    padding: 0.55rem 1.15rem;
    border-radius: var(--radius-xl);
    color: var(--espresso-medium);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    text-decoration: none;
}

.public-nav a:not(.btn):hover {
    color: var(--espresso);
    background: rgba(62, 39, 35, 0.06);
}

.public-nav a.active:not(.btn) {
    color: var(--espresso);
    background: rgba(62, 39, 35, 0.08);
}

.public-nav-mobile-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.35rem;
    color: var(--espresso);
    cursor: pointer;
    padding: 0.5rem;
}

/* ============================================
   PUBLIC HERO SECTION (2-COLUMN MODERN)
   ============================================ */
.hero-section-modern {
    padding: 4.5rem 0 3.5rem;
    position: relative;
    overflow: hidden;
}

.hero-section-modern::before {
    content: '';
    position: absolute;
    top: -120px;
    left: -100px;
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(212, 163, 115, 0.2) 0%, rgba(245, 230, 211, 0.1) 50%, transparent 70%);
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
    z-index: 0;
}

.hero-section-modern::after {
    content: '';
    position: absolute;
    bottom: 40px;
    right: -80px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(141, 110, 99, 0.15) 0%, rgba(255, 248, 240, 0.1) 60%, transparent 75%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.48rem 1.25rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(245, 230, 211, 0.75));
    backdrop-filter: blur(16px);
    border: 1px solid rgba(212, 163, 115, 0.4);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 700;
    color: #3E2723;
    box-shadow: 0 4px 18px rgba(212, 163, 115, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    margin-bottom: 1.35rem;
    letter-spacing: 0.2px;
}

.hero-title-main {
    font-family: var(--font-primary);
    font-size: 3.1rem;
    font-weight: 800;
    color: #2D1B17;
    line-height: 1.16;
    letter-spacing: -0.8px;
    margin-bottom: 1.25rem;
}

.hero-title-main span {
    background: linear-gradient(135deg, #3E2723 0%, #8D6E63 50%, #C68B59 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    position: relative;
}

.hero-lead-text {
    font-size: 1.08rem;
    color: var(--espresso-light);
    line-height: 1.75;
    margin-bottom: 2rem;
    max-width: 540px;
}

/* Floating Search Box (Vibrant & Interactive) */
.hero-search-box {
    background: #ffffff;
    border: 2px solid rgba(212, 163, 115, 0.45);
    border-radius: var(--radius-xl);
    padding: 0.45rem 0.45rem 0.45rem 0.75rem;
    box-shadow: 
        0 14px 35px rgba(62, 39, 35, 0.08), 
        0 4px 14px rgba(212, 163, 115, 0.15);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-search-box:focus-within {
    border-color: #C68B59;
    box-shadow: 
        0 18px 45px rgba(198, 139, 89, 0.22),
        0 0 0 4px rgba(198, 139, 89, 0.25);
    transform: translateY(-2px);
}

.hero-search-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(212, 163, 115, 0.25), rgba(184, 115, 51, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #B87333;
    font-size: 1.05rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.hero-search-box:focus-within .hero-search-icon-box {
    background: linear-gradient(135deg, #D4A373, #B87333);
    color: #ffffff;
    transform: scale(1.06);
    box-shadow: 0 4px 10px rgba(184, 115, 51, 0.3);
}

.hero-search-input {
    border: none;
    background: transparent;
    width: 100%;
    font-family: var(--font-body);
    font-size: 0.96rem;
    color: var(--espresso);
    outline: none;
    font-weight: 500;
}

.hero-search-input::placeholder {
    color: #8D7B68;
    opacity: 0.85;
}

.hero-search-btn {
    background: linear-gradient(135deg, #3E2723 0%, #23120B 100%) !important;
    color: #ffffff !important;
    padding: 0.72rem 1.4rem !important;
    border-radius: var(--radius-xl) !important;
    font-size: 0.92rem !important;
    font-weight: 700 !important;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none !important;
    box-shadow: 0 4px 14px rgba(62, 39, 35, 0.25);
    transition: all 0.3s ease;
    white-space: nowrap;
    cursor: pointer;
}

.hero-search-btn:hover {
    background: linear-gradient(135deg, #5D4037 0%, #3E2723 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(62, 39, 35, 0.38);
}

.hero-quick-tags {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.85rem;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--espresso-light);
}

.hero-tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.32rem 0.8rem;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(212, 163, 115, 0.35);
    border-radius: var(--radius-xl);
    color: var(--espresso);
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 600;
    transition: all 0.25s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.03);
}

.hero-tag-pill:hover {
    background: var(--espresso);
    color: #ffffff;
    border-color: var(--espresso);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(62, 39, 35, 0.2);
}

/* Vibrant CTA Action Buttons */
.btn-member-cta {
    background: linear-gradient(135deg, #D4A373 0%, #B87333 50%, #8D5B2A 100%) !important;
    color: #FFFFFF !important;
    border: none !important;
    font-weight: 700 !important;
    padding: 0.85rem 1.6rem !important;
    border-radius: var(--radius-md) !important;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    box-shadow: 0 8px 22px rgba(184, 115, 51, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    font-size: 0.95rem;
    cursor: pointer;
}

.btn-member-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: 0.5s;
}

.btn-member-cta:hover {
    background: linear-gradient(135deg, #E0B589 0%, #C68244 50%, #9B6734 100%) !important;
    color: #FFFFFF !important;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 28px rgba(184, 115, 51, 0.5);
}

.btn-member-cta:hover::before {
    left: 100%;
}

.btn-member-cta i {
    font-size: 1.05rem;
    color: #FFF8E7;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.2));
}

.btn-primary-hero {
    background: linear-gradient(135deg, #3E2723 0%, #23120B 100%) !important;
    color: #FFFFFF !important;
    border: none !important;
    font-weight: 700 !important;
    padding: 0.85rem 1.6rem !important;
    border-radius: var(--radius-md) !important;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    box-shadow: 0 8px 22px rgba(62, 39, 35, 0.25);
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 0.95rem;
}

.btn-primary-hero:hover {
    background: linear-gradient(135deg, #4E342E 0%, #3E2723 100%) !important;
    color: #FFFFFF !important;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(62, 39, 35, 0.38);
}


/* 3D Visual Book Showcase in Hero Right Column */
.hero-showcase-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 440px;
    perspective: 1200px;
}

.hero-showcase-glow {
    position: absolute;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(212, 163, 115, 0.3) 0%, rgba(245, 230, 211, 0.35) 45%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    filter: blur(40px);
    pointer-events: none;
}

.hero-book-primary {
    position: relative;
    z-index: 3;
    width: 255px;
    aspect-ratio: 3/4;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 
        -18px 25px 48px rgba(45, 27, 23, 0.38),
        -4px 6px 14px rgba(45, 27, 23, 0.18),
        inset 0 0 0 1px rgba(255, 255, 255, 0.2);
    transform: rotateY(-14deg) rotateX(6deg) rotateZ(-2deg);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
    background: var(--beige);
    cursor: pointer;
}

/* Realistic Book Spine highlight */
.hero-book-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(90deg, rgba(0,0,0,0.3) 0%, rgba(255,255,255,0.25) 40%, transparent 100%);
    z-index: 5;
    pointer-events: none;
}

/* Realistic Gloss reflection */
.hero-book-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.35) 0%, transparent 45%, rgba(0,0,0,0.15) 100%);
    z-index: 6;
    pointer-events: none;
}

.hero-book-primary:hover {
    transform: rotateY(-3deg) rotateX(2deg) scale(1.04);
    box-shadow: 
        -24px 32px 60px rgba(45, 27, 23, 0.45),
        -6px 8px 18px rgba(45, 27, 23, 0.22);
}

.hero-book-primary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-book-secondary {
    position: absolute;
    z-index: 2;
    right: 15px;
    bottom: 25px;
    width: 215px;
    aspect-ratio: 3/4;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: -12px 20px 40px rgba(45, 27, 23, 0.28);
    transform: rotateY(-20deg) rotateZ(10deg) translateZ(-60px);
    opacity: 0.94;
    background: var(--beige);
    cursor: pointer;
    transition: transform 0.4s ease;
}

.hero-book-secondary:hover {
    transform: rotateY(-10deg) rotateZ(4deg) scale(1.02);
}

.hero-book-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Floating Badges */
.hero-float-badge-1 {
    position: absolute;
    top: 15px;
    right: -15px;
    z-index: 4;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    padding: 0.65rem 1.15rem;
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(62, 39, 35, 0.12), 0 2px 6px rgba(0,0,0,0.04);
    border: 1px solid rgba(212, 163, 115, 0.35);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.84rem;
    font-weight: 600;
    color: #2D1B17;
    animation: float 4.5s ease-in-out infinite;
}

.hero-float-badge-2 {
    position: absolute;
    bottom: 0px;
    left: -20px;
    z-index: 4;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    padding: 0.65rem 1.15rem;
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(62, 39, 35, 0.12), 0 2px 6px rgba(0,0,0,0.04);
    border: 1px solid rgba(212, 163, 115, 0.35);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.84rem;
    font-weight: 600;
    color: #2D1B17;
    animation: float 5s ease-in-out 1s infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-7px); }
}

/* ============================================
   GLASSMORPHISM STATS METRICS CARDS
   ============================================ */
.hero-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.15rem;
    margin-top: 3.5rem;
    position: relative;
    z-index: 1;
}

.hero-stat-box {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.94) 0%, rgba(250, 245, 238, 0.85) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 163, 115, 0.25);
    border-top: 1px solid rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 1.2rem 1.25rem;
    box-shadow: 0 10px 28px rgba(62, 39, 35, 0.05), 0 1px 3px rgba(0,0,0,0.02);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero-stat-box:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 18px 38px rgba(62, 39, 35, 0.12);
    border-color: rgba(198, 139, 89, 0.4);
}

.hero-stat-circle {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--beige), var(--cream));
    border: 1px solid rgba(62, 39, 35, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--espresso);
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(62, 39, 35, 0.06);
    transition: var(--transition);
}

.hero-stat-box:hover .hero-stat-circle {
    background: var(--espresso);
    color: #fff;
    transform: scale(1.08) rotate(5deg);
}

.hero-stat-num {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 800;
    color: #2D1B17;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.hero-stat-desc {
    font-size: 0.82rem;
    color: var(--espresso-light);
    font-weight: 500;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}


/* ============================================
   REVIEWS & RATINGS
   ============================================ */
.review-item {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.review-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.review-user {
    font-weight: 600;
    color: var(--espresso);
    font-size: 0.95rem;
}

.review-date {
    font-size: 0.8rem;
    color: var(--espresso-light);
}

.review-text {
    font-size: 0.92rem;
    color: var(--espresso-medium);
    line-height: 1.6;
}

.review-stars-gold {
    color: #FFB300;
    font-size: 0.9rem;
    letter-spacing: 2px;
}

/* ============================================
   HERO: LUXURY LIBRARY BOOKSHELF SHOWCASE
   ============================================ */
.hero-library-frame-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    margin-top: 0.25rem;
}

.hero-library-ambient-glow {
    position: absolute;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 163, 115, 0.45), rgba(245, 230, 211, 0.2) 70%, transparent);
    filter: blur(45px);
    z-index: 0;
    pointer-events: none;
}

.hero-library-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    border-radius: 24px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.92);
    border: 3px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 24px 65px rgba(62, 39, 35, 0.18), 0 10px 24px rgba(62, 39, 35, 0.08);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.hero-library-card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 32px 75px rgba(62, 39, 35, 0.24), 0 12px 30px rgba(62, 39, 35, 0.1);
}

.hero-library-img-box {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.hero-library-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.7s ease;
}

.hero-library-card:hover .hero-library-img {
    transform: scale(1.04);
}

.hero-library-badge-top {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--espresso);
    z-index: 2;
    pointer-events: none;
}

.hero-library-badge-bottom {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    background: rgba(45, 27, 23, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(212, 163, 115, 0.4);
    padding: 0.75rem 1.15rem;
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #FFF8F0;
    z-index: 2;
}

.hero-library-badge-bottom-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-library-badge-bottom-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(212, 163, 115, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFD54F;
    font-size: 1.05rem;
    flex-shrink: 0;
}

/* ============================================
   LUXURY MODERN PUBLIC FOOTER
   ============================================ */
.public-footer-modern {
    background: linear-gradient(180deg, #2A1713 0%, #1A0D0B 100%);
    color: #FFF8F0;
    padding: 4.5rem 0 2.25rem;
    position: relative;
    border-top: 2px solid rgba(212, 163, 115, 0.35);
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.18);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 1.1fr 1.1fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.footer-col-brand-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.1rem;
}

.footer-col-brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #D4A373, #8D6E63);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFDF9;
    font-size: 1.25rem;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.footer-col-brand-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #FFFDF9;
    letter-spacing: -0.5px;
    margin: 0;
    line-height: 1.2;
}

.footer-col-brand-slogan {
    font-size: 0.78rem;
    color: #D4A373;
    font-weight: 600;
    display: block;
    margin-top: 2px;
    letter-spacing: 0.3px;
}

.footer-col-desc {
    font-size: 0.88rem;
    line-height: 1.75;
    color: #D7CCC8;
    margin-bottom: 1.25rem;
}

.footer-col-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #FFFDF9;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.6rem;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2.5px;
    background: #D4A373;
    border-radius: 2px;
}

.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links-list a {
    color: #D7CCC8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.25s ease, transform 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.footer-links-list a:hover {
    color: #FFD54F;
    transform: translateX(4px);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.9rem;
    font-size: 0.88rem;
    color: #D7CCC8;
    line-height: 1.6;
}

.footer-contact-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(212, 163, 115, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #D4A373;
    font-size: 0.85rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-hours-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1rem 1.15rem;
    font-size: 0.85rem;
    color: #D7CCC8;
}

.footer-hours-row {
    display: flex;
    justify-content: space-between;
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.footer-hours-row:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.footer-bottom-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.84rem;
    color: #A1887F;
}

/* ============================================
   SETTINGS TABS
   ============================================ */
.settings-tab-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    background: var(--glass-bg);
    padding: 0.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.settings-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.15rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--espresso);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.settings-tab-btn:hover {
    background: var(--beige);
    color: var(--espresso);
}

.settings-tab-btn.active {
    background: linear-gradient(135deg, var(--espresso-medium), var(--espresso));
    color: #fff;
    box-shadow: 0 4px 10px rgba(62, 39, 35, 0.2);
}

.settings-tab-pane {
    display: none;
}

.settings-tab-pane.active {
    display: block;
    animation: fadeIn 0.25s ease;
}

/* ============================================
   DURASI PILL BUTTONS
   ============================================ */
.durasi-pill-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.15rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--espresso);
    background: transparent;
    border: 1.5px solid var(--espresso-light);
    cursor: pointer;
    transition: var(--transition-fast);
}

.durasi-pill-btn:hover {
    background: var(--beige);
    border-color: var(--espresso);
    color: var(--espresso);
}

.durasi-pill-btn.active {
    background: linear-gradient(135deg, var(--espresso-medium), var(--espresso));
    color: #fff !important;
    border-color: var(--espresso);
    box-shadow: 0 4px 10px rgba(62, 39, 35, 0.25);
}

/* ============================================
   RESPONSIVE GRID UTILITIES
   ============================================ */
.responsive-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.responsive-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.25rem;
}

.responsive-grid-split {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 1.5rem;
}

.responsive-grid-detail {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
}

.cashier-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 1.5rem;
}

.book-detail-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2.5rem;
}

.catalog-filter-form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.catalog-filter-input {
    flex: 1;
    min-width: 220px;
}

.catalog-filter-select {
    min-width: 180px;
}

/* ==========================================================================
   MOBILE & TOUCH ENHANCEMENTS (COMPONENTS & GUARDS)
   ========================================================================== */

/* Global overflow protection */
html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

.admin-wrapper, .main-content, .public-body, .public-main {
    max-width: 100vw;
    overflow-x: clip;
}

img, svg, video, canvas, iframe {
    max-width: 100%;
    height: auto;
}

/* Sidebar Close Button (Mobile Only) */
.sidebar-close-btn {
    display: none;
    background: rgba(255, 255, 255, 0.12);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-left: auto;
    transition: var(--transition-fast);
}

.sidebar-close-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Book Engagement Metrics Strip */
.book-engagement-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 0.9rem 1.25rem;
    gap: 0.75rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.book-engagement-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    justify-content: center;
}

.book-engagement-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    flex-shrink: 0;
}

.book-engagement-value {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--espresso);
    line-height: 1.2;
}

.book-engagement-label {
    font-size: 0.75rem;
    color: var(--espresso-light);
}

.book-engagement-divider {
    width: 1px;
    height: 36px;
    background: var(--glass-border);
    flex-shrink: 0;
}

/* ==========================================================================
   ALL MEDIA QUERIES (CONSOLIDATED AT BOTTOM IN STRICT CASCADE ORDER)
   ========================================================================== */

/* 1. Large Tablets & Small Desktops (<= 1200px) */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1.2fr 1fr 1fr 1fr;
        gap: 2rem;
    }
}

/* 2. Tablets & Mobile Landscape (<= 992px) */
@media (max-width: 992px) {
    /* Admin Off-Canvas Navigation */
    .sidebar {
        transform: translateX(-100%) !important;
        position: fixed !important;
        left: 0 !important;
        top: 0 !important;
        width: 280px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        z-index: 1050 !important;
        box-shadow: none !important;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }
    
    .sidebar.show {
        transform: translateX(0) !important;
        box-shadow: 0 0 50px rgba(0,0,0,0.6) !important;
    }

    .sidebar-close-btn {
        display: flex !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        min-width: 0 !important;
    }
    
    .hamburger-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
    }
    
    .search-global {
        width: 200px;
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.55);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 1040;
        display: none;
    }

    .sidebar-overlay.show {
        display: block !important;
    }

    /* Public Header & Nav */
    .public-header {
        padding: 0 1.25rem !important;
        height: 70px !important;
    }

    .public-nav-mobile-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: var(--radius-md);
        color: var(--espresso);
        background: rgba(62, 39, 35, 0.06);
        border: 1px solid var(--glass-border);
        font-size: 1.25rem;
        cursor: pointer;
        transition: var(--transition-fast);
    }

    .public-nav-mobile-btn:hover {
        background: var(--beige);
    }

    .public-nav {
        display: none !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        max-height: calc(100vh - 70px) !important;
        overflow-y: auto !important;
        background: rgba(255, 253, 249, 0.98) !important;
        backdrop-filter: blur(25px) !important;
        -webkit-backdrop-filter: blur(25px) !important;
        border-bottom: 1px solid var(--glass-border) !important;
        box-shadow: 0 15px 35px rgba(62, 39, 35, 0.12) !important;
        flex-direction: column !important;
        padding: 1rem 1.25rem 1.5rem !important;
        gap: 0.5rem !important;
        z-index: 1001 !important;
        animation: slideDown 0.25s ease forwards;
    }

    .public-nav.show {
        display: flex !important;
    }

    .public-nav a:not(.btn) {
        width: 100% !important;
        padding: 0.75rem 1.25rem !important;
        border-radius: var(--radius-md) !important;
    }

    /* Grid Layouts Stacked on Tablet */
    .hero-grid {
        grid-template-columns: 1fr !important;
        gap: 2.5rem !important;
    }

    .hero-library-card {
        max-width: 100% !important;
    }

    .hero-library-img-box {
        height: 320px !important;
    }

    .hero-stats-row {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1rem !important;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 2.5rem !important;
    }

    .responsive-grid-2,
    .responsive-grid-split,
    .responsive-grid-detail,
    .cashier-grid,
    .book-detail-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }

    .loan-cart {
        position: static !important;
        width: 100% !important;
        margin-top: 1.5rem !important;
    }

    .books-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1.25rem !important;
    }
}

/* 3. Small Tablets & Large Phones (<= 768px) */
@media (max-width: 768px) {
    .content-area {
        padding: 1rem 0.85rem !important;
    }

    .container {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
    }

    .stats-grid .stat-card:nth-child(odd):last-child {
        grid-column: span 2 !important;
    }

    .responsive-grid-3 {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .content-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.75rem !important;
    }

    .content-header > div {
        width: 100% !important;
    }

    .content-header .btn, 
    .content-header .btn-group {
        width: 100% !important;
        justify-content: center !important;
    }

    .content-header .btn-group .btn {
        flex: 1 !important;
        text-align: center !important;
        justify-content: center !important;
    }

    .form-row {
        grid-template-columns: 1fr !important;
        gap: 0.85rem !important;
    }

    .hero-title-main {
        font-size: 2rem !important;
    }

    .hero-stats-row {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
        margin-top: 2rem !important;
    }

    .hero-stats-row .hero-stat-box:nth-child(5) {
        grid-column: span 2 !important;
    }

    .hero-stat-box {
        padding: 0.9rem 1rem !important;
        gap: 0.75rem !important;
    }

    .hero-stat-circle {
        width: 42px !important;
        height: 42px !important;
        font-size: 1.1rem !important;
        border-radius: 10px !important;
    }

    .hero-stat-num {
        font-size: 1.45rem !important;
    }

    .books-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 0.85rem !important;
    }

    .book-card-cover {
        height: 200px !important;
    }

    .top-header {
        padding: 0 1rem !important;
    }

    /* Universal Responsive Tables */
    .table-responsive {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        width: 100% !important;
        margin-bottom: 0 !important;
        display: block !important;
    }

    .table-responsive table {
        min-width: 580px !important;
    }

    .table td, .table th {
        padding: 0.65rem 0.65rem !important;
        font-size: 0.82rem !important;
    }

    .table td .btn-group,
    .table td .action-btns {
        white-space: nowrap !important;
        display: inline-flex !important;
        gap: 0.25rem !important;
    }

    .table td .btn {
        padding: 0.35rem 0.6rem !important;
        font-size: 0.78rem !important;
    }

    /* Admin Filter Forms Stacking */
    .glass-card-static form[method="GET"],
    .glass-card form[method="GET"] {
        display: flex !important;
        flex-direction: column !important;
        gap: 0.65rem !important;
        align-items: stretch !important;
    }

    .glass-card-static form[method="GET"] > div,
    .glass-card form[method="GET"] > div {
        width: 100% !important;
        min-width: 100% !important;
        flex: 1 1 100% !important;
    }

    .glass-card-static form[method="GET"] .btn,
    .glass-card form[method="GET"] .btn {
        flex: 1 !important;
        justify-content: center !important;
        text-align: center !important;
    }

    .settings-tab-nav {
        overflow-x: auto !important;
        flex-wrap: nowrap !important;
        -webkit-overflow-scrolling: touch !important;
        padding: 0.35rem !important;
        gap: 0.35rem !important;
    }

    .settings-tab-btn {
        flex-shrink: 0 !important;
        white-space: nowrap !important;
        padding: 0.55rem 0.85rem !important;
        font-size: 0.82rem !important;
    }

    .durasi-pill-btn {
        padding: 0.5rem 0.85rem !important;
        font-size: 0.8rem !important;
    }
}

/* 4. Mobile Phones (<= 576px) */
@media (max-width: 576px) {
    /* Prevent iOS/Safari auto-zoom on input focus */
    input, select, textarea {
        font-size: 16px !important;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.65rem !important;
    }

    .stats-grid .stat-card:nth-child(odd):last-child {
        grid-column: span 2 !important;
    }

    .stat-card {
        padding: 0.85rem 0.75rem !important;
        border-radius: var(--radius-md) !important;
    }

    .stat-card-header {
        margin-bottom: 0.4rem !important;
    }

    .stat-card-icon {
        width: 34px !important;
        height: 34px !important;
        font-size: 0.9rem !important;
        border-radius: 8px !important;
    }

    .stat-card-value {
        font-size: 1.35rem !important;
        margin-bottom: 0.15rem !important;
    }

    .stat-card-label {
        font-size: 0.72rem !important;
    }

    .hero-stats-row {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.65rem !important;
    }

    .hero-stat-box {
        padding: 0.75rem 0.75rem !important;
        gap: 0.6rem !important;
    }

    .hero-stat-circle {
        width: 36px !important;
        height: 36px !important;
        font-size: 0.95rem !important;
    }

    .hero-stat-num {
        font-size: 1.25rem !important;
    }

    .hero-stat-desc {
        font-size: 0.72rem !important;
    }

    .hero-stats-row .hero-stat-box:nth-child(5) {
        grid-column: span 2 !important;
    }

    /* Mobile Books Grid (Compact 2-Column) */
    .books-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 0.75rem !important;
    }

    .book-card-cover {
        height: 185px !important;
    }

    .book-card-body {
        padding: 0.65rem 0.6rem !important;
    }

    .book-card-title {
        font-size: 0.82rem !important;
        line-height: 1.25 !important;
        margin-bottom: 0.2rem !important;
    }

    .book-card-author {
        font-size: 0.72rem !important;
        margin-bottom: 0.35rem !important;
    }

    .book-card-meta {
        gap: 0.35rem !important;
    }

    .book-card-meta .badge {
        font-size: 0.68rem !important;
        padding: 0.2rem 0.5rem !important;
    }

    .book-engagement-strip {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.65rem !important;
        padding: 0.85rem 1rem !important;
    }

    .book-engagement-divider {
        width: 100% !important;
        height: 1px !important;
    }

    .book-engagement-item {
        justify-content: flex-start !important;
    }

    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }

    .footer-bottom-bar {
        flex-direction: column !important;
        text-align: center !important;
        gap: 0.5rem !important;
    }

    .search-global {
        display: none !important;
    }

    .header-user-name {
        display: none !important;
    }

    .top-header {
        padding: 0 0.75rem !important;
        height: 56px !important;
    }

    .content-area {
        padding: 0.75rem 0.5rem !important;
    }

    .glass-card, .glass-card-static, .glass-card-strong {
        padding: 1.15rem 0.95rem !important;
        border-radius: var(--radius-md) !important;
    }

    .chart-container {
        height: 270px !important;
    }

    .login-container {
        padding: 0.75rem !important;
    }

    .login-card {
        padding: 1.75rem 1.25rem !important;
        border-radius: var(--radius-lg) !important;
    }

    h1, .page-title {
        font-size: 1.35rem !important;
    }

    h2 {
        font-size: 1.2rem !important;
    }

    h3 {
        font-size: 1.05rem !important;
    }

    .btn-primary-hero, .btn-member-cta {
        width: 100% !important;
        justify-content: center !important;
        font-size: 0.9rem !important;
        padding: 0.75rem 1.25rem !important;
    }

    .catalog-filter-form {
        display: flex !important;
        flex-direction: column !important;
        gap: 0.65rem !important;
        align-items: stretch !important;
    }

    .catalog-filter-input,
    .catalog-filter-select,
    .catalog-filter-form .btn {
        width: 100% !important;
        min-width: 100% !important;
    }

    .hero-badge-pill {
        font-size: 0.75rem !important;
        padding: 0.35rem 0.75rem !important;
    }

    .hero-title-main {
        font-size: 1.65rem !important;
        letter-spacing: -0.5px !important;
    }

    .hero-lead-text {
        font-size: 0.9rem !important;
        margin-bottom: 1.5rem !important;
    }

    .hero-library-img-box {
        height: 240px !important;
    }

    .hero-library-badge-top {
        font-size: 0.72rem !important;
        padding: 0.35rem 0.7rem !important;
        top: 8px !important;
        right: 8px !important;
    }

    .hero-library-badge-bottom {
        padding: 0.5rem 0.75rem !important;
        bottom: 8px !important;
        left: 8px !important;
        right: 8px !important;
    }

    .public-brand-text {
        font-size: 1.05rem !important;
    }

    .public-brand-icon {
        width: 38px !important;
        height: 38px !important;
        font-size: 1rem !important;
    }

    .modal-content, .modal-dialog {
        width: 95vw !important;
        max-width: 95vw !important;
        margin: 1rem auto !important;
        padding: 1.25rem !important;
    }

    .scan-input-group {
        flex-direction: column !important;
        gap: 0.5rem !important;
    }

    .scan-input-group .btn {
        width: 100% !important;
    }
}

/* 5. Extra Small Phones (<= 380px) */
@media (max-width: 380px) {
    .login-card {
        padding: 1.25rem 0.85rem !important;
    }
    .hero-title-main {
        font-size: 1.4rem !important;
    }
    .btn {
        padding: 0.55rem 0.8rem !important;
        font-size: 0.8rem !important;
    }
    .public-brand-text {
        font-size: 0.92rem !important;
    }
    .public-brand-icon {
        width: 34px !important;
        height: 34px !important;
        font-size: 0.9rem !important;
    }
    .stat-card-value {
        font-size: 1.2rem !important;
    }
    .books-grid {
        gap: 0.5rem !important;
    }
    .book-card-cover {
        height: 165px !important;
    }
}

/* 6. Print Styles */
@media print {
    .sidebar, .top-header, .hamburger-btn, .btn, .no-print, .public-header, .public-footer-modern {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
    }

    .glass-card, .glass-card-static, .glass-card-strong {
        background: #fff !important;
        backdrop-filter: none !important;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }

    .print-only {
        display: block !important;
    }

    body {
        background: #fff !important;
    }
}