/* Custom Premium CSS for Electronic Library - Strict Sage Green & White Theme */

:root {
    --bg-primary: #f4faf6;       /* Solid light green-tinted white */
    --bg-secondary: #e8f5ed;     /* Solid sage green */
    --bg-card: #ffffff;          /* Pure white card */
    --border-color: #cbd5e1;     /* Standard strict border gray-green */
    --border-accent: #2e7d32;     /* Accent green */
    --text-main: #000000;        /* Black text */
    --text-muted: #334155;       /* Dark charcoal gray for muted text */
    --color-indigo: #2e7d32;     /* Strict corporate green */
    --color-indigo-hover: #1b5e20;
    --color-emerald: #2e7d32;
    --color-rose: #c62828;
}

body {
    background: #f4faf6 !important; /* Strict solid background */
    color: var(--text-main) !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Overrides for Bootstrap's dark theme classes to fit strict light theme */
.text-light, .text-white {
    color: var(--text-main) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.bg-dark, .bg-black, .bg-dark-subtle {
    background-color: var(--bg-secondary) !important;
    background: var(--bg-secondary) !important;
}

.border-secondary {
    border-color: var(--border-color) !important;
}

/* Strict Navbar */
.custom-navbar {
    background: #ffffff !important;
    border-bottom: 2px solid var(--border-accent);
    padding: 0.75rem 0;
}

.logo-glow {
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--text-main) !important;
    text-shadow: none !important;
}

.logo-glow:hover {
    text-shadow: none !important;
    color: var(--color-indigo) !important;
}

.text-indigo {
    color: var(--color-indigo) !important;
}

.bg-indigo {
    background-color: var(--color-indigo) !important;
    color: #ffffff !important;
}

/* Strict Flat Buttons with Black Text */
.btn-indigo {
    background: #e2e8f0 !important;
    color: #000000 !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 4px;
    transition: background-color 0.2s ease;
    font-weight: 600;
}

.btn-indigo:hover {
    background: #cbd5e1 !important;
    color: #000000 !important;
    border-color: #94a3b8 !important;
}

.btn-danger {
    background-color: #fee2e2 !important;
    color: #000000 !important;
    border: 1px solid #fca5a5 !important;
    font-weight: 600;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.btn-danger:hover {
    background-color: #fca5a5 !important;
    color: #000000 !important;
}

.btn-success {
    background-color: #dcfce7 !important;
    color: #000000 !important;
    border: 1px solid #86efac !important;
    font-weight: 600;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.btn-success:hover {
    background-color: #86efac !important;
    color: #000000 !important;
}

.btn-secondary {
    background-color: #f1f5f9 !important;
    color: #000000 !important;
    border: 1px solid #cbd5e1 !important;
    font-weight: 600;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.btn-secondary:hover {
    background-color: #cbd5e1 !important;
    color: #000000 !important;
}

.btn-primary {
    background-color: #dbeafe !important;
    color: #000000 !important;
    border: 1px solid #bfdbfe !important;
    font-weight: 600;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.btn-primary:hover {
    background-color: #bfdbfe !important;
    color: #000000 !important;
}

.btn-outline-secondary {
    color: #000000 !important;
    border-color: var(--border-color) !important;
    font-weight: 600;
    border-radius: 4px;
}

.btn-outline-secondary:hover {
    background-color: var(--bg-secondary) !important;
    color: #000000 !important;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 600;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main) !important;
    border-bottom: 2px solid var(--border-accent);
}

.user-info-badge {
    background: #e2e8f0;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-main) !important;
    font-weight: 600;
}

/* Strict Cards for Books */
.book-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 4px;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: none !important;
}

.book-card:hover {
    border-color: var(--border-accent) !important;
}

.book-cover-container {
    height: 320px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
}

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

.book-card:hover .book-cover-img {
    transform: none !important;
}

.book-cover-placeholder {
    font-size: 4rem;
    color: #94a3b8;
}

.book-card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.book-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    line-height: 1.4;
}

.book-author {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.book-details {
    margin-bottom: auto;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.book-genres {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}

.genre-tag {
    background: #e2e8f0;
    color: #0f172a;
    padding: 0.15rem 0.4rem;
    border-radius: 2px;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    font-weight: 600;
}

.rating-badge {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
    padding: 0.2rem 0.4rem;
    border-radius: 2px;
    font-weight: 700;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

.badge.bg-warning {
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-weight: 700;
    color: #000000 !important;
}

.reviews-count {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.book-card-footer {
    border-top: 1px solid var(--border-color);
    padding: 0.85rem 1.25rem;
    background: #f8fafc;
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

/* Strict Panels and Cards */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2rem;
    box-shadow: none !important;
}

.page-title {
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-accent);
    padding-bottom: 0.5rem;
}

/* Custom Forms */
.form-control, .form-select {
    background-color: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
    border-radius: 4px;
}

.form-control:focus, .form-select:focus {
    background-color: #ffffff !important;
    border-color: var(--border-accent) !important;
    box-shadow: none !important;
}

.form-control::placeholder {
    color: #94a3b8;
}

.form-label {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

/* EasyMDE Strict Custom Theme */
.editor-toolbar {
    background: #f1f5f9 !important;
    border: 1px solid var(--border-color) !important;
    border-bottom: none !important;
    border-radius: 4px 4px 0 0;
}
.editor-toolbar a {
    color: var(--text-main) !important;
}
.editor-toolbar a.active, .editor-toolbar a:hover {
    background: #cbd5e1 !important;
}
.CodeMirror {
    background: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
    border-radius: 0 0 4px 4px;
}

/* Pagination strict style */
.pagination {
    margin-top: 2rem;
    justify-content: center;
}
.page-item .page-link {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-weight: 600;
    border-radius: 4px;
    margin: 0 2px;
}
.page-item .page-link:hover {
    background-color: #e2e8f0;
    color: var(--text-main);
    border-color: var(--border-color);
}
.page-item.active .page-link {
    background-color: var(--color-indigo);
    border-color: var(--color-indigo);
    color: white !important;
}
.page-item.disabled .page-link {
    background-color: #f1f5f9;
    border-color: var(--border-color);
    color: #94a3b8;
}

/* Review Styles */
.review-item {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.review-item:hover {
    border-color: var(--border-accent);
}

/* Strict Alerts */
.custom-alert {
    background: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
    border-radius: 4px;
    box-shadow: none !important;
}
.alert-danger {
    border-left: 4px solid var(--color-rose) !important;
}
.alert-success {
    border-left: 4px solid var(--color-emerald) !important;
}
.alert-warning {
    border-left: 4px solid #d97706 !important;
}

/* Footer Styling */
.custom-footer {
    background: #ffffff !important;
    border-top: 1px solid var(--border-color) !important;
    font-size: 0.9rem;
    color: var(--text-main) !important;
    padding: 1.5rem 0;
}

/* Details Page */
.book-detail-cover {
    border-radius: 4px;
    box-shadow: none !important;
    border: 1px solid var(--border-color);
    max-height: 480px;
    object-fit: cover;
    width: 100%;
}

.detail-value {
    color: var(--text-main);
    font-weight: 600;
}

.detail-label {
    color: var(--text-muted);
}

/* Table styles */
.table-custom {
    color: var(--text-main) !important;
    background: transparent !important;
}
.table-custom th {
    background: #f1f5f9 !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
    font-weight: 700;
}
.table-custom td {
    background: transparent !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
    vertical-align: middle;
}
.table-custom tr:hover td {
    background: #f8fafc !important;
}

/* Status Badges */
.status-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 2px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-block;
}
.status-pending {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}
.status-approved {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}
.status-rejected {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}