/**
 * Frontend styles for SMC Book Manager
 * Theme: Military Research / Institutional
 * Version: 2.0.0
 */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&family=Tajawal:wght@400;500;700;800&display=swap');

:root {
    /* Palette: Military / Institutional - Light Mode */
    --smc-primary-dark: #143d24;
    --smc-primary: #1a4d2e;
    --smc-primary-light: #2c6e44;
    --smc-accent: #d4a017;
    --smc-accent-hover: #b8860b;

    /* Neutrals - Light */
    --smc-bg-page: #f8f9fa;
    --smc-bg-card: #ffffff;
    --smc-border: #e2e8f0;
    --smc-text-main: #1f2937;
    --smc-text-muted: #64748b;
    --smc-text-light: #94a3b8;

    /* Typography */
    --smc-font-main: 'IBM Plex Sans Arabic', 'Tajawal', sans-serif;
    --smc-font-header: 'Tajawal', 'IBM Plex Sans Arabic', sans-serif;

    /* Spacing & Layout */
    --smc-radius: 4px;
    --smc-radius-lg: 8px;
    --smc-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --smc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --smc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Dark Mode - تلقائي حسب تفضيل النظام */
@media (prefers-color-scheme: dark) {
    :root {
        --smc-bg-page: #0f172a;
        --smc-bg-card: #1e293b;
        --smc-border: #334155;
        --smc-text-main: #f1f5f9;
        --smc-text-muted: #94a3b8;
        --smc-text-light: #64748b;
        --smc-primary-dark: #86efac;
        --smc-primary: #4ade80;
        --smc-primary-light: #22c55e;
        --smc-accent: #fbbf24;
        --smc-accent-hover: #f59e0b;
        --smc-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --smc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
        --smc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    }
}

/* Dark Mode - عند إضافة class من القالب (html.dark أو data-theme="dark") */
html.dark,
html[data-theme="dark"],
body.dark,
body[data-theme="dark"] {
    --smc-bg-page: #0f172a;
    --smc-bg-card: #1e293b;
    --smc-border: #334155;
    --smc-text-main: #f1f5f9;
    --smc-text-muted: #94a3b8;
    --smc-text-light: #64748b;
    --smc-primary-dark: #86efac;
    --smc-primary: #4ade80;
    --smc-primary-light: #22c55e;
    --smc-accent: #fbbf24;
    --smc-accent-hover: #f59e0b;
    --smc-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --smc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --smc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

/* Global Reset & Typography */
.smc-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    font-family: var(--smc-font-main);
    color: var(--smc-text-main);
    direction: rtl;
    /* Enforce RTL by default */
}

/* -------------------------------------------------------------------------- */
/*                                LIBRARY ARCHIVE                             */
/* -------------------------------------------------------------------------- */

/* Header Area */
.smc-library-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--smc-border);
}

.smc-library-title {
    font-family: var(--smc-font-header);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--smc-primary-dark);
    margin-bottom: 0.75rem;
}

.smc-library-desc {
    font-size: 1.125rem;
    color: var(--smc-text-muted);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Filter Bar (Placeholder for future search functionality) */
.smc-filter-bar {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Books Grid */
.smc-books-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}

@media (min-width: 640px) {
    .smc-books-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .smc-books-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Book Card */
.smc-book-card {
    background: var(--smc-bg-card);
    border: 1px solid var(--smc-border);
    border-radius: var(--smc-radius);
    overflow: hidden;
    transition: all 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
}

.smc-book-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--smc-shadow-lg);
    border-color: var(--smc-primary-light);
}

.smc-card-cover {
    position: relative;
    aspect-ratio: 2 / 3;
    overflow: hidden;
    background-color: var(--smc-bg-page);
    border-bottom: 1px solid var(--smc-border);
}

.smc-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.smc-book-card:hover .smc-card-cover img {
    transform: scale(1.03);
}

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

.smc-card-meta {
    font-size: 0.75rem;
    color: var(--smc-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.smc-card-title {
    font-family: var(--smc-font-header);
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--smc-primary-dark);
    margin-bottom: 0.75rem;

    /* Truncate to 2 lines */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.smc-card-title a {
    text-decoration: none;
    color: inherit;
}

.smc-card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px dashed var(--smc-border);
}

.smc-stat-item {
    font-size: 0.85rem;
    color: var(--smc-text-muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.smc-icon {
    width: 1.25em;
    height: 1.25em;
    stroke: currentColor;
}

.smc-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background-color: var(--smc-primary);
    color: #fff;
    transition: background-color 0.2s;
}

.smc-btn-icon:hover {
    background-color: var(--smc-primary-light);
    color: #ffffff;
}

/* -------------------------------------------------------------------------- */
/*                              SINGLE BOOK PAGE                              */
/* -------------------------------------------------------------------------- */

.smc-single-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .smc-single-layout {
        grid-template-columns: 320px 1fr;
        align-items: start;
    }
}

/* Sidebar (Cover) */
.smc-single-sidebar {
    position: sticky;
    top: 2rem;
}

.smc-single-cover {
    width: 100%;
    box-shadow: var(--smc-shadow-lg);
    border-radius: var(--smc-radius-lg);
    border: 1px solid var(--smc-border);
    background: var(--smc-bg-card);
    padding: 0.5rem;
    margin-bottom: 1.5rem;
}

.smc-single-cover img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.smc-download-block {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Read Book + Download buttons */
.smc-book-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.smc-btn-read {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    background-color: var(--smc-primary);
    color: #fff;
    font-weight: 700;
    padding: 1rem;
    border-radius: var(--smc-radius);
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: var(--smc-shadow);
}

.smc-btn-read:hover {
    background-color: var(--smc-primary-light);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--smc-shadow-lg);
}

.smc-btn-read .smc-icon {
    width: 1.25em;
    height: 1.25em;
}

.smc-btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    background-color: var(--smc-primary);
    color: #fff;
    font-weight: 700;
    padding: 1rem;
    border-radius: var(--smc-radius);
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: var(--smc-shadow);
}

.smc-btn-primary:hover {
    background-color: var(--smc-primary-light);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--smc-shadow-lg);
}

/* Main Content Area */
.smc-single-header {
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--smc-border);
    padding-bottom: 1.5rem;
}

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

.smc-single-subtitle {
    font-size: 1.25rem;
    color: var(--smc-text-muted);
    font-weight: 400;
}

/* Data Table Grid */
.smc-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    background: var(--smc-bg-page);
    padding: 1.5rem;
    border-radius: var(--smc-radius);
    border: 1px solid var(--smc-border);
    margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
    .smc-meta-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.smc-meta-point {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.smc-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--smc-text-light);
    font-weight: 700;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.smc-meta-icon {
    width: 1.1em;
    height: 1.1em;
    color: var(--smc-primary);
}

.smc-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--smc-text-main);
}

/* Content Typography */
.smc-prose {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--smc-text-main);
    margin-bottom: 4rem;
}

.smc-prose p {
    margin-bottom: 1.5rem;
}

.smc-prose h3 {
    font-family: var(--smc-font-header);
    font-size: 1.5rem;
    color: var(--smc-primary);
    margin: 2rem 0 1rem;
}

/* Social Share - أزرار المشاركة */
.smc-social-share {
    margin-top: 2.5rem;
    padding: 1.5rem;
    background: var(--smc-bg-page, #f8f9fa);
    border-radius: var(--smc-radius-lg, 8px);
    border: 1px solid var(--smc-border, #e2e8f0);
}

.smc-social-share h4 {
    font-family: var(--smc-font-header);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--smc-text-main, #1f2937);
    margin: 0 0 1rem;
}

.smc-social-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.smc-social-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: var(--smc-radius, 4px);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    color: #fff !important;
    transition: opacity 0.2s, transform 0.2s;
}

.smc-social-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #fff !important;
}

.smc-social-btn svg {
    flex-shrink: 0;
}

.smc-social-btn.smc-facebook { background-color: #1877f2; }
.smc-social-btn.smc-twitter { background-color: #1da1f2; }
.smc-social-btn.smc-linkedin { background-color: #0a66c2; }
.smc-social-btn.smc-whatsapp { background-color: #25d366; }
.smc-social-btn.smc-telegram { background-color: #0088cc; }

/* Related Section */
.smc-related-section {
    padding-top: 3rem;
    border-top: 2px solid var(--smc-border);
}

.smc-section-title {
    font-family: var(--smc-font-header);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--smc-primary-dark);
    margin-bottom: 2rem;
}