/* Academic Style CSS - İlmî Makaleler */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Lora:ital,wght@0,400;0,500;0,600;1,400&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --color-background: #f7f4ed;
    --color-surface: #ffffff;
    --color-text: #172234;
    --color-muted: #5d6673;
    --color-primary: #174d3b;
    --color-accent: #a9823f;
    --color-accent-hover: #8f6a2b;
    --color-border: #ddd7ca;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --shadow: 0 4px 15px rgba(23, 34, 52, 0.04);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

/* Header & Nav */
header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.logo span {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.8rem;
    align-items: center;
}

.nav-links a {
    color: var(--color-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--color-primary);
}

.btn-nav {
    background-color: var(--color-primary);
    color: #ffffff !important;
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
}

.btn-nav:hover {
    background-color: #113b2c;
    transform: translateY(-1px);
}

/* Hamburger Menu (Mobile Only) */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 5rem 2rem 3rem;
    text-align: center;
    background: radial-gradient(circle at center, rgba(169, 130, 63, 0.05) 0%, transparent 70%);
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    color: var(--color-primary);
    margin-bottom: 0.8rem;
    line-height: 1.2;
}

.hero p {
    color: var(--color-muted);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

/* Big Search Bar on Home */
.search-container {
    max-width: 650px;
    margin: 0 auto 2rem;
    display: flex;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 0.3rem;
    box-shadow: 0 4px 20px rgba(23, 34, 52, 0.05);
}

.search-input {
    flex: 1;
    border: none;
    background: none;
    padding: 0.8rem 1.2rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text);
}

.search-input:focus {
    outline: none;
}

.search-btn {
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background-color: #113b2c;
}

/* Category Pills */
.category-pills {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.pill {
    padding: 0.4rem 1.2rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    color: var(--color-muted);
    font-size: 0.85rem;
    font-weight: 500;
}

.pill:hover, .pill.active {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

/* Grid System */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    transition: max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-container.has-width-full,
.main-container:has(.width-full) {
    max-width: 1440px;
}

.grid-cols-3 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

/* Card design */
.article-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent);
    box-shadow: 0 8px 25px rgba(23, 34, 52, 0.08);
}

.card-cat {
    font-size: 0.75rem;
    color: var(--color-accent);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 0.6rem;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    line-height: 1.3;
    margin-bottom: 0.8rem;
    color: var(--color-primary);
}

.card-excerpt {
    color: var(--color-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--color-muted);
    border-top: 1px solid rgba(221, 215, 202, 0.5);
    padding-top: 0.8rem;
}

/* Article Reading View */
.article-read-container {
    max-width: 800px;
    margin: 4rem auto;
    padding: 0 1.5rem;
    transition: max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-read-container.width-wide {
    max-width: 1100px;
}

.article-read-container.width-full {
    max-width: 1400px;
}

.article-header {
    margin-bottom: 3rem;
    text-align: center;
}

.article-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    color: var(--color-primary);
    line-height: 1.25;
    margin-bottom: 1.5rem;
}

.article-meta-info {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    color: var(--color-muted);
    font-size: 0.9rem;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1.5rem;
}

.article-meta-info strong {
    color: var(--color-text);
}

.article-body-content {
    color: var(--color-text);
}

.article-body-content.font-playfair {
    font-family: 'Playfair Display', Georgia, serif;
}

.article-body-content.font-lora {
    font-family: 'Lora', Georgia, serif;
}

.article-body-content.font-inter {
    font-family: 'Inter', sans-serif;
}

.article-body-content.font-outfit {
    font-family: 'Outfit', sans-serif;
}

.article-body-content.align-left {
    text-align: left;
}

.article-body-content.align-justify {
    text-align: justify;
    text-justify: inter-word;
}

.article-body-content.size-sm {
    font-size: 1rem;
    line-height: 1.75;
}

.article-body-content.size-md {
    font-size: 1.15rem;
    line-height: 1.85;
}

.article-body-content.size-lg {
    font-size: 1.35rem;
    line-height: 1.9;
}

.article-body-content.size-xl {
    font-size: 1.55rem;
    line-height: 2.0;
}

.article-body-content p {
    margin-bottom: 1.6rem;
}

.article-body-content h2, .article-body-content h3 {
    font-family: var(--font-serif);
    color: var(--color-primary);
    margin: 2.5rem 0 1rem;
    line-height: 1.3;
}

.article-body-content h2 { font-size: 1.8rem; }
.article-body-content h3 { font-size: 1.4rem; }

.article-body-content blockquote {
    border-left: 4px solid var(--color-accent);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--color-muted);
}

.article-body-content pre {
    background-color: #1c2128;
    color: #f0f6fc;
    padding: 1.2rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 2rem 0;
    font-family: monospace;
    font-size: 0.9rem;
}

.article-body-content code {
    font-family: monospace;
    background-color: #f1ede4;
    padding: 0.15rem 0.35rem;
    border-radius: 3px;
    font-size: 0.9rem;
    color: #cf222e;
}

.article-body-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2.5rem 0;
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.article-body-content th, .article-body-content td {
    border: 1px solid var(--color-border);
    padding: 0.8rem 1rem;
    text-align: left;
}

.article-body-content th {
    background-color: rgba(221, 215, 202, 0.4);
    font-weight: 600;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 4rem;
}

.page-btn {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover, .page-btn.active {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

/* Library stats on Home */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    margin-top: 4rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-item h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 0.2rem;
}

.stat-item span {
    font-size: 0.85rem;
    color: var(--color-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Footer */
footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--color-muted);
    font-size: 0.9rem;
    margin-top: 6rem;
}

footer p {
    margin-bottom: 0.5rem;
}

/* Button UI Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.8rem 1.6rem;
    border-radius: 30px; /* Tam yuvarlak ve daha premium */
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase; /* Akademik ve kurumsal duruş */
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: var(--font-sans);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #113b2c);
    color: #ffffff !important;
    border: none;
    box-shadow: 0 4px 15px rgba(23, 77, 59, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(23, 77, 59, 0.3);
}

.btn-outline {
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.btn-outline:hover {
    background-color: var(--color-background);
    border-color: var(--color-accent);
    color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(169, 130, 63, 0.12);
}

.btn-outline.active {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

/* Reading Settings Bar */
.reading-settings-bar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.2rem;
    margin-bottom: 2.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 1rem 1.2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.setting-label {
    font-weight: 600;
    color: var(--color-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.segmented-control {
    display: flex;
    background: var(--color-background);
    border-radius: 6px;
    padding: 2px;
    border: 1px solid var(--color-border);
    width: 100%;
}

.segmented-control .page-btn {
    flex: 1;
    text-align: center;
    background: transparent;
    border: none !important;
    color: var(--color-muted);
    padding: 0.5rem 0.4rem;
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.segmented-control .page-btn:hover {
    color: var(--color-primary);
}

.segmented-control .page-btn.active {
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    font-weight: 600;
}

@media (min-width: 768px) {
    .reading-settings-bar {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        align-items: center;
        gap: 1.2rem;
    }
    .setting-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
    }
    .setting-label {
        white-space: nowrap;
    }
    .segmented-control {
        width: 100%;
    }
}

@media (min-width: 1024px) {
    .reading-settings-bar {
        grid-template-columns: 1.2fr 0.8fr 0.9fr 1.1fr;
        gap: 1.2rem;
    }
}

/* Responsive Overrides */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 73px;
        left: 0;
        width: 100%;
        background-color: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: 2rem;
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
    }
    .nav-links.show {
        display: flex;
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero h1 {
        font-size: 2.2rem;
    }
}

/* User Reading Card Close Buttons */
.user-card-remove {
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    background: none;
    border: none;
    color: var(--color-muted);
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.2rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    width: 24px;
    height: 24px;
    z-index: 5;
}
.user-card-remove:hover {
    background-color: var(--color-background);
    color: #cf222e;
}

/* Responsive Mobile Search and Controls */
@media (max-width: 480px) {
    .search-container {
        flex-direction: column;
        background: transparent;
        border: none;
        box-shadow: none;
        gap: 0.6rem;
        padding: 0;
    }
    .search-input {
        background-color: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: 6px;
        width: 100%;
        padding: 0.8rem 1.2rem;
    }
    .search-btn {
        width: 100%;
        padding: 0.8rem;
        text-align: center;
        border-radius: 6px;
    }
}

/* Print View overrides */
@media print {
    header, footer, .pagination, .btn, .search-container, .category-pills, .back-link, #p-featured-badge {
        display: none !important;
    }
    body {
        background-color: #ffffff;
        color: #000000;
    }
    .article-read-container {
        margin: 0;
        width: 100%;
        max-width: 100%;
        padding: 0;
    }
    .article-body-content {
        font-size: 12pt;
        line-height: 1.5;
    }
}

/* Citation Toast & Floating Selection Tooltip */
.citation-toast {
    position: fixed;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: #174d3b;
    color: #ffffff;
    padding: 0.9rem 1.6rem;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.citation-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.selection-quote-tooltip {
    position: absolute;
    display: none;
    background: #172234;
    color: #ffffff;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    z-index: 9999;
    align-items: center;
    gap: 0.4rem;
    transform: translate(-50%, -100%);
    margin-top: -10px;
    transition: opacity 0.2s ease, transform 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.selection-quote-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: #172234 transparent transparent transparent;
}

.selection-quote-tooltip:hover {
    background: #174d3b;
}

/* Quick Action Bar & Share Modal */
.article-quick-actions {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
}

.share-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.share-modal-backdrop.show {
    display: flex;
}

.share-modal {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.8rem;
    max-width: 480px;
    width: 100%;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
    animation: modalScaleUp 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalScaleUp {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.share-btn-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin: 1.5rem 0;
}

.share-option-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--color-border);
    background: var(--color-background);
    color: var(--color-text);
    transition: all 0.2s ease;
}

.share-option-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.share-option-btn.whatsapp {
    background: #25d366;
    color: #ffffff;
    border-color: #25d366;
}

.share-option-btn.twitter {
    background: #000000;
    color: #ffffff;
    border-color: #000000;
}

.share-option-btn.telegram {
    background: #24a1de;
    color: #ffffff;
    border-color: #24a1de;
}

.share-option-btn.copy {
    background: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-primary);
}