/* GitHub-style Design System */

:root {
    /* Light theme */
    --color-canvas-default: #ffffff;
    --color-canvas-subtle: #f6f8fa;
    --color-canvas-inset: #eff2f5;
    --color-border-default: #d0d7de;
    --color-border-muted: #d8dee4;
    --color-fg-default: #1f2328;
    --color-fg-muted: #656d76;
    --color-fg-subtle: #6e7781;
    --color-accent-fg: #5BA4B0;
    --color-accent-emphasis: #5BA4B0;
    --color-success-fg: #1a7f37;
    --color-success-emphasis: #1f883d;
    --color-attention-fg: #9a6700;
    --color-attention-emphasis: #bf8700;
    --color-danger-fg: #cf222e;
    --color-neutral-emphasis: #6e7781;
    --shadow-small: 0 1px 0 rgba(31,35,40,0.04);
    --shadow-medium: 0 3px 6px rgba(140,149,159,0.15);
    --shadow-large: 0 8px 24px rgba(140,149,159,0.2);
}

[data-theme="dark"] {
    --color-canvas-default: #0d1117;
    --color-canvas-subtle: #161b22;
    --color-canvas-inset: #010409;
    --color-border-default: #30363d;
    --color-border-muted: #21262d;
    --color-fg-default: #e6edf3;
    --color-fg-muted: #8b949e;
    --color-fg-subtle: #6e7681;
    --color-accent-fg: #7CC5D0;
    --color-accent-emphasis: #5BA4B0;
    --color-success-fg: #3fb950;
    --color-success-emphasis: #238636;
    --color-attention-fg: #d29922;
    --color-attention-emphasis: #9e6a03;
    --color-danger-fg: #f85149;
    --color-neutral-emphasis: #6e7681;
    --shadow-small: 0 0 transparent;
    --shadow-medium: 0 3px 6px #010409;
    --shadow-large: 0 8px 24px #010409;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-fg-default);
    background-color: var(--color-canvas-default);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

main {
    width: 100%;
}

/* GitHub Page Layout */
.gh-page {
    max-width: 1012px;
    margin: 0 auto;
    padding: 32px 16px;
}

/* Hero Section */
.gh-hero {
    text-align: center;
    padding: 64px 0;
    border-bottom: 1px solid var(--color-border-default);
    margin-bottom: 40px;
}

.gh-hero-title {
    font-size: 48px;
    font-weight: 600;
    color: var(--color-fg-default);
    margin: 0 0 12px 0;
    letter-spacing: -0.5px;
}

.gh-hero-subtitle {
    font-size: 22px;
    color: var(--color-fg-muted);
    margin: 0 0 32px 0;
    font-weight: 400;
}

.gh-hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.gh-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    font-size: 16px;
    font-weight: 500;
    line-height: 24px;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid;
    border-radius: 6px;
    text-decoration: none;
    transition: 80ms cubic-bezier(0.33, 1, 0.68, 1);
    transition-property: color, background-color, border-color;
}

.gh-btn-primary {
    color: #ffffff;
    background-color: #5BA4B0;
    border-color: rgba(31, 35, 40, 0.15);
}

.gh-btn-primary:hover {
    background-color: #4A8E99;
}

[data-theme="dark"] .gh-btn-primary {
    background-color: #5BA4B0;
    border-color: rgba(240,246,252,0.1);
}

[data-theme="dark"] .gh-btn-primary:hover {
    background-color: #6BB8C4;
}

.gh-btn-secondary {
    color: var(--color-fg-default);
    background-color: var(--color-canvas-subtle);
    border-color: var(--color-border-default);
}

.gh-btn-secondary:hover {
    background-color: var(--color-canvas-inset);
    border-color: var(--color-border-default);
}

.gh-btn-lg {
    padding: 12px 28px;
    font-size: 18px;
}

/* Search */
.gh-search-container {
    margin-bottom: 24px;
}

.gh-search-form {
    margin-bottom: 16px;
}

.gh-search-input-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    border-radius: 8px;
    padding: 14px 18px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.gh-search-input-wrapper:focus-within {
    border-color: var(--color-accent-emphasis);
    box-shadow: 0 0 0 3px rgba(91, 164, 176, 0.2);
    background-color: var(--color-canvas-default);
}

[data-theme="dark"] .gh-search-input-wrapper:focus-within {
    box-shadow: 0 0 0 3px rgba(91, 164, 176, 0.3);
}

.gh-search-icon {
    color: var(--color-fg-muted);
    flex-shrink: 0;
}

.gh-search-input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--color-fg-default);
    font-size: 18px;
    line-height: 28px;
    outline: none;
}

.gh-search-input::placeholder {
    color: var(--color-fg-muted);
}

.gh-search-results-info {
    padding: 16px 20px;
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    border-radius: 6px;
    font-size: 16px;
    color: var(--color-fg-muted);
}

.gh-results-count {
    font-weight: 600;
    color: var(--color-fg-default);
}

/* Article Cards */
.gh-results {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.gh-article-card {
    background-color: var(--color-canvas-default);
    border: 1px solid var(--color-border-default);
    border-radius: 8px;
    padding: 20px 24px;
    transition: border-color 0.2s;
}

.gh-article-card:hover {
    border-color: var(--color-border-muted);
}

.gh-article-header {
    margin-bottom: 8px;
}

.gh-article-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.gh-article-title a {
    color: var(--color-accent-fg);
    text-decoration: none;
}

.gh-article-title a:hover {
    text-decoration: underline;
}

.gh-article-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Labels */
.gh-label {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    font-size: 14px;
    font-weight: 500;
    line-height: 22px;
    border-radius: 2em;
    background-color: var(--color-canvas-subtle);
    color: var(--color-fg-muted);
    border: 1px solid transparent;
}

.gh-label-blue {
    background-color: rgba(91, 164, 176, 0.15);
    color: var(--color-accent-fg);
}

[data-theme="dark"] .gh-label-blue {
    background-color: rgba(91, 164, 176, 0.2);
}

/* Authors */
.gh-article-authors {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 16px;
    color: var(--color-fg-muted);
    margin-bottom: 16px;
    line-height: 1.5;
}

.gh-icon-muted {
    color: var(--color-fg-subtle);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Article Footer */
.gh-article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border-muted);
}

.gh-article-status {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.gh-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
}

.gh-status-success {
    color: var(--color-success-fg);
}

.gh-status-info {
    color: var(--color-accent-fg);
}

.gh-status-warning {
    color: var(--color-attention-fg);
}

.gh-link {
    font-size: 16px;
    color: var(--color-accent-fg);
    text-decoration: none;
    font-weight: 500;
}

.gh-link:hover {
    text-decoration: underline;
}

/* Empty State */
.gh-empty-state {
    text-align: center;
    padding: 64px 24px;
    color: var(--color-fg-muted);
}

.gh-empty-icon {
    color: var(--color-fg-subtle);
    margin-bottom: 16px;
}

.gh-empty-state h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-fg-default);
    margin: 0 0 8px 0;
}

.gh-empty-state p {
    margin: 0;
    font-size: 14px;
}

/* Footer */
.gh-footer {
    text-align: center;
    padding: 48px 0;
    margin-top: 48px;
    border-top: 1px solid var(--color-border-default);
}

#batLogo {
    height: 48px;
    cursor: pointer;
}

/* ============================================
   NAVBAR (стили перенесены в header.html)
   ============================================ */

/* ============================================
   FORMS (Global)
   ============================================ */
.form-control, .form-select {
    background-color: var(--color-canvas-default) !important;
    color: var(--color-fg-default) !important;
    border: 1px solid var(--color-border-default) !important;
    border-radius: 6px;
    padding: 5px 12px;
    font-size: 14px;
    line-height: 20px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-accent-emphasis) !important;
    box-shadow: 0 0 0 3px rgba(91, 164, 176, 0.2) !important;
    outline: none;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    box-shadow: 0 0 0 3px rgba(91, 164, 176, 0.3) !important;
}

.form-control::placeholder {
    color: var(--color-fg-muted) !important;
}

.form-label {
    color: var(--color-fg-default) !important;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 8px;
}

/* ============================================
   CARDS (Global)
   ============================================ */
.card {
    background: var(--color-canvas-default) !important;
    border: 1px solid var(--color-border-default) !important;
    border-radius: 6px;
    box-shadow: var(--shadow-small);
    color: var(--color-fg-default) !important;
}

.card:hover {
    box-shadow: var(--shadow-medium);
}

.card-title {
    color: var(--color-fg-default);
    font-weight: 600;
}

.card-text {
    color: var(--color-fg-muted);
}

.card-body {
    padding: 16px;
}

/* ============================================
   BUTTONS (Bootstrap overrides)
   ============================================ */
.btn-primary {
    background-color: #5BA4B0 !important;
    border-color: rgba(31, 35, 40, 0.15) !important;
    color: #ffffff !important;
    font-weight: 500;
    border-radius: 6px;
}

.btn-primary:hover {
    background-color: #4A8E99 !important;
}

[data-theme="dark"] .btn-primary {
    background-color: #5BA4B0 !important;
    border-color: rgba(240,246,252,0.1) !important;
}

[data-theme="dark"] .btn-primary:hover {
    background-color: #6BB8C4 !important;
}

.btn-outline-primary {
    color: var(--color-accent-fg) !important;
    border-color: var(--color-border-default) !important;
    border-radius: 6px;
}

.btn-outline-primary:hover {
    background-color: var(--color-accent-emphasis) !important;
    border-color: var(--color-accent-emphasis) !important;
    color: #ffffff !important;
}

.btn-secondary, .btn-outline-secondary {
    color: var(--color-fg-default) !important;
    background-color: var(--color-canvas-subtle) !important;
    border-color: var(--color-border-default) !important;
    border-radius: 6px;
}

.btn-outline-secondary:hover {
    background-color: var(--color-canvas-inset) !important;
}

.btn-danger {
    background-color: var(--color-danger-fg) !important;
    border-color: var(--color-danger-fg) !important;
    color: #ffffff !important;
    border-radius: 6px;
}

.btn-warning {
    background-color: var(--color-attention-emphasis) !important;
    border-color: var(--color-attention-emphasis) !important;
    color: #ffffff !important;
    border-radius: 6px;
}

/* ============================================
   BADGES (GitHub style)
   ============================================ */
.badge {
    padding: 0 7px;
    font-size: 12px;
    font-weight: 500;
    line-height: 18px;
    border-radius: 2em;
    border: none;
}

.bg-primary {
    background-color: var(--color-accent-emphasis) !important;
}

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

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

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

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

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

/* ============================================
   TABLES
   ============================================ */
.table {
    color: var(--color-fg-default);
    border-color: var(--color-border-default);
}

.table thead {
    background-color: var(--color-canvas-subtle);
}

.table-hover tbody tr:hover {
    background-color: var(--color-canvas-subtle);
}

.table-dark {
    background-color: var(--color-canvas-subtle) !important;
    color: var(--color-fg-default) !important;
}

.table-dark th {
    background-color: var(--color-canvas-subtle) !important;
    border-color: var(--color-border-default) !important;
    font-weight: 600;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    border-radius: 6px;
    border: 1px solid;
}

.alert-success {
    background-color: rgba(31, 136, 61, 0.1);
    border-color: rgba(31, 136, 61, 0.4);
    color: var(--color-success-fg);
}

.alert-danger {
    background-color: rgba(207, 34, 46, 0.1);
    border-color: rgba(207, 34, 46, 0.4);
    color: var(--color-danger-fg);
}

.alert-warning {
    background-color: rgba(154, 103, 0, 0.1);
    border-color: rgba(154, 103, 0, 0.4);
    color: var(--color-attention-fg);
}

/* ============================================
   SCROLLBAR (Dark mode)
   ============================================ */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--color-canvas-default);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--color-border-default);
    border-radius: 6px;
    border: 3px solid var(--color-canvas-default);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--color-fg-subtle);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .gh-page {
        padding: 16px 12px;
    }
    
    .gh-hero {
        padding: 32px 0;
    }
    
    .gh-hero-title {
        font-size: 28px;
    }
    
    .gh-hero-subtitle {
        font-size: 16px;
    }
    
    .gh-hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .gh-btn-lg {
        justify-content: center;
    }
    
    .gh-article-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================
   LEGACY SUPPORT (for other pages)
   ============================================ */
.search-section {
    background: var(--color-canvas-default);
    padding: 24px;
    border-radius: 6px;
    border: 1px solid var(--color-border-default);
    margin: 16px 0;
}

.hero {
    background: linear-gradient(135deg, var(--color-accent-emphasis), #4A8E99);
    color: white;
    padding: 48px 24px;
    border-radius: 6px;
    text-align: center;
    margin: 24px 0;
}

.hero h1 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 12px;
    color: white;
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 24px;
    color: white;
}

.results-count {
    background: var(--color-canvas-subtle);
    padding: 12px 16px;
    border-radius: 6px;
    margin: 16px 0;
    color: var(--color-fg-default);
    border: 1px solid var(--color-border-default);
}

.btn-light {
    background-color: #ffffff !important;
    color: var(--color-accent-emphasis) !important;
    font-weight: 500;
    border: none;
}

.btn-light:hover {
    background-color: #f6f8fa !important;
}

/* ============================================
   MICRO-ANIMATIONS
   ============================================ */

/* Hover lift — карточки приподнимаются при наведении */
.journal-card:hover {
    transform: translateY(-4px) scale(1.015);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);
}

.issue-card:hover {
    transform: translateY(-3px) scale(1.008);
    box-shadow: 0 8px 24px rgba(91, 164, 176, 0.15), 0 2px 6px rgba(0, 0, 0, 0.06);
}

.article-card:hover {
    transform: translateY(-3px) scale(1.005);
    box-shadow: 0 8px 24px rgba(91, 164, 176, 0.15), 0 2px 6px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .journal-card:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .issue-card:hover,
[data-theme="dark"] .article-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Ripple-эффект на кнопках */
.ripple-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    transform: scale(0);
    animation: rippleExpand 0.55s ease-out forwards;
    pointer-events: none;
    z-index: 1;
}

@keyframes rippleExpand {
    to {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* Анимированный градиент hero-секции */
@keyframes heroGradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}