/* Header */
header {
    background: var(--white);
    color: var(--secondary-color);
    padding: 0;
    height: 72px;
    display: flex;
    align-items: center;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);

    /* Fixed Header */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

header #branding h1 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.025em;
}

header #branding h1 a {
    color: var(--secondary-color) !important;
}

/* Navbar */
header nav ul {
    display: flex;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

header nav a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

header nav a:not(.btn):hover {
    background: #f1f5f9;
    color: var(--primary-color);
}

header nav a.active {
    background: #eef2ff;
    color: var(--primary-color);
}

header nav li span {
    padding: 10px 15px;
    font-size: 14px;
    color: #bdc3c7;
}

/* Hamburger Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 2000;
    /* Above overlay */
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 3px 0;
    transition: 0.4s;
}

/* Auth Pages */
.login-container {
    max-width: 440px;
    margin: 120px auto;
    padding: 40px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

.login-container h2 {
    text-align: center;
    margin-bottom: 32px;
    font-weight: 700;
    color: var(--secondary-color);
}

.login-container .alert-danger {
    margin-bottom: 16px;
    padding: 12px;
    background: #fef2f2;
    border-radius: 6px;
    border: 1px solid #fee2e2;
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--secondary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-color);
    background: var(--white);
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
    line-height: 1.25rem;
    gap: 8px;
}

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

.btn-danger {
    background: var(--danger);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: #f8fafc;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 6px;
}

.btn+.btn {
    margin-left: 8px;
}

/* Alert */
.alert {
    font-size: 12px;
}

.alert-danger {
    color: var(--danger);
}

/* Tables */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 24px;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

table th,
table td {
    padding: 15px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

table th {
    min-width: 105px;
    background: #f8fafc;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.05em;
}

table th:last-child,
table th.status {
    min-width: 120px;
}

table td:last-child,
table td.status {
    text-align: center;
}

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

table tbody tr:hover {
    background: #f1f5f9;
}

/* Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.card {
    background: var(--white);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: all 0.2s;
    border: 1px solid var(--border-color);
}

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

.card h3 {
    margin: 0;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card .count {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 12px 0 0 0;
}

.card.detail-book p {
    margin: 5px 0;
}

/* Info Box for Detail Pages */
.info-box {
    background: #e9f4ff;
    border-left: 4px solid var(--primary-color);
    padding: 15px 20px;
    margin: 15px 0;
    border-radius: 4px;
}

.info-box p {
    margin: 8px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.stat-item {
    background: var(--white);
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    border: 1px solid #e8e8e8;
}

.stat-item .label {
    font-size: 12px;
    color: #7f8c8d;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.stat-item .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-color);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #ecfdf5;
    color: #059669;
}

.badge-warning {
    background: #ffeda7;
    color: #d97706;
}

.badge-danger {
    background: #fef2f2;
    color: #dc2626;
}

.badge-info {
    background: #eff6ff;
    color: #2563eb;
}

/* Pagination */
.pagination {
    margin: 32px 0;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.pagination a,
.pagination span.dots,
.pagination span.disabled {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.pagination a:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.pagination a.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.pagination span.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #f1f5f9;
}

/* Search Box */
.search-box {
    margin-bottom: 25px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.search-box form {
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* Clickable Table Rows */
.clickable-row {
    cursor: pointer;
    transition: all 0.2s ease;
}

.clickable-row:hover {
    background: #d4e9f7 !important;
    transform: scale(1.005);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.clickable-row:active {
    transform: scale(0.998);
}