:root {
    /* Dark Theme (default) */
    --bg: #09090f;
    --bg-2: #111118;
    --bg-3: #1a1a24;
    --surface: #16161f;
    --surface-2: #1e1e2a;
    --border: rgba(255,255,255,0.07);
    --border-accent: rgba(99,102,241,0.4);

    --text: #f0f0f7;
    --text-2: #9898b8;
    --text-3: #55556a;

    --accent: #6366f1;
    --accent-2: #818cf8;
    --accent-glow: rgba(99,102,241,0.25);

    --green: #10b981;
    --green-glow: rgba(16,185,129,0.2);
    --yellow: #f59e0b;
    --red: #ef4444;
    --red-glow: rgba(239,68,68,0.15);

    --gold: #f59e0b;
    --silver: #94a3b8;
    --bronze: #c084fc;

    --nav-h: 60px;
    --tabs-h: 44px;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,0.5);
    --shadow-card: 0 2px 16px rgba(0,0,0,0.4), 0 0 0 1px var(--border);

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --t-fast: 150ms var(--ease);
    --t-med: 250ms var(--ease);
}

[data-theme="light"] {
    --bg: #f4f4f9;
    --bg-2: #eaeaf5;
    --bg-3: #e0e0ef;
    --surface: #ffffff;
    --surface-2: #f0f0fa;
    --border: rgba(0,0,0,0.06);
    --border-accent: rgba(99,102,241,0.3);

    --text: #12121e;
    --text-2: #4a4a6a;
    --text-3: #9898b0;

    --accent: #4f46e5;
    --accent-2: #6366f1;
    --accent-glow: rgba(99,102,241,0.12);

    --green: #059669;
    --green-glow: rgba(5,150,105,0.1);
    --red: #dc2626;
    --red-glow: rgba(220,38,38,0.08);

    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-card: 0 2px 16px rgba(0,0,0,0.06), 0 0 0 1px var(--border);
}

/* ––– RESET ––– */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--t-med), color var(--t-med);
}

/* Fix for sticky nav */
body { padding-top: calc(var(--nav-h) + var(--tabs-h)); }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
select { font-family: inherit; }
img { display: block; max-width: 100%; }

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hidden { display: none !important; }

/* =========================================================================
   NAVBAR
   ========================================================================= */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    height: var(--nav-h);
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    text-decoration: none;
}
.logo-mark {
    font-size: 1.25rem;
    color: var(--accent);
}
.logo-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
}
.logo-text strong { color: var(--accent-2); }

/* Search bar */
.nav-search-wrap {
    flex: 1;
    max-width: 520px;
    position: relative;
    display: flex;
    align-items: center;
}
.search-icon {
    position: absolute;
    left: 0.875rem;
    font-size: 1.1rem;
    color: var(--text-3);
    pointer-events: none;
}
.nav-search {
    width: 100%;
    height: 38px;
    padding: 0 1rem 0 2.5rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.nav-search::placeholder { color: var(--text-3); }
.nav-search:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.search-loader {
    position: absolute;
    right: 0.875rem;
    width: 16px; height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}
.btn-ghost {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    height: 36px;
    padding: 0 0.75rem;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-2);
    background: transparent;
    border: 1px solid transparent;
    transition: all var(--t-fast);
}
.btn-ghost:hover {
    background: var(--surface-2);
    border-color: var(--border);
    color: var(--text);
}
.badge-pill {
    background: var(--red);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 9999px;
    min-width: 18px;
    text-align: center;
    line-height: 1.5;
}

/* Tabs row */
.nav-tabs-wrap {
    border-top: 1px solid var(--border);
    background: var(--bg);
}
.nav-tabs {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    height: var(--tabs-h);
    overflow-x: auto;
    scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }

.nav-tab {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    height: 34px;
    padding: 0 0.875rem;
    border-radius: 7px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-2);
    background: transparent;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: all var(--t-fast);
    position: relative;
}
.nav-tab:hover { color: var(--text); background: var(--surface-2); }
.nav-tab.active {
    color: var(--accent-2);
    background: var(--accent-glow);
    border-color: var(--border-accent);
}
.tab-icon { font-size: 0.9em; }

/* Tab content */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
    position: relative;
    overflow: hidden;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 4rem 0 3rem;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 30%, transparent 100%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 1rem;
}
.pulse-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 0 var(--green-glow);
    animation: pulse-ring 2s ease infinite;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 0.75rem;
}
.hero-title em {
    font-style: normal;
    color: var(--accent-2);
}

.hero-sub {
    font-size: 1.05rem;
    color: var(--text-2);
    max-width: 520px;
    margin-bottom: 2.5rem;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    width: fit-content;
}
.hstat {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.75rem;
}
.hstat-val {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
}
.hstat-label {
    font-size: 0.75rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}
.hstat-divider {
    width: 1px;
    background: var(--border);
    align-self: stretch;
    margin: 0.75rem 0;
}

/* =========================================================================
   SECTIONS
   ========================================================================= */
.section-gap { padding: 3rem 0 4rem; }
.section-gap-top { padding-top: 2.5rem; padding-bottom: 4rem; }
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}
.section-title {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}
.section-sub {
    font-size: 0.9rem;
    color: var(--text-2);
    margin-top: 0.25rem;
}

/* =========================================================================
   PODIUM (Top 3)
   ========================================================================= */
.podium-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
    .podium-grid { grid-template-columns: 1fr; }
}

.podium-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-fast);
    overflow: hidden;
    cursor: pointer;
}
.podium-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow), 0 0 30px var(--accent-glow);
    border-color: var(--border-accent);
}
.podium-card.rank-1 { border-color: rgba(245,158,11,0.25); }
.podium-card.rank-1:hover { box-shadow: var(--shadow), 0 0 30px rgba(245,158,11,0.15); }
.podium-card.rank-2 { border-color: rgba(148,163,184,0.2); }
.podium-card.rank-3 { border-color: rgba(192,132,252,0.2); }

.podium-rank {
    position: absolute;
    top: 1.25rem; right: 1.25rem;
    font-size: 1.75rem;
    line-height: 1;
}

.podium-velocity {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    background: var(--green-glow);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: 6px;
    padding: 0.2rem 0.6rem;
    width: fit-content;
}

.podium-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
    padding-right: 2.5rem;
}
.podium-desc {
    font-size: 0.85rem;
    color: var(--text-2);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.podium-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    gap: 0.5rem;
    flex-wrap: wrap;
}
.podium-stars {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--yellow);
    font-family: 'JetBrains Mono', monospace;
}
.podium-lang {
    font-size: 0.75rem;
    color: var(--text-3);
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 0.15rem 0.5rem;
}
.podium-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

/* =========================================================================
   TRENDING LIST (Rank 4-30)
   ========================================================================= */
.trending-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.trend-row {
    display: grid;
    grid-template-columns: 44px 1fr auto auto auto;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--t-fast), background var(--t-fast);
    cursor: pointer;
}
.trend-row:hover { background: var(--surface-2); border-color: var(--border-accent); }

.trend-rank {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-3);
    font-family: 'JetBrains Mono', monospace;
    text-align: center;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--bg-3);
}

.trend-info { min-width: 0; }
.trend-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.trend-desc {
    font-size: 0.8rem;
    color: var(--text-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 0.15rem;
}

.trend-velocity {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
    text-align: right;
}
.trend-stars {
    font-size: 0.85rem;
    color: var(--yellow);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    white-space: nowrap;
    min-width: 70px;
    text-align: right;
}
.trend-fav-btn {
    color: var(--text-3);
    font-size: 1rem;
    transition: color var(--t-fast), transform var(--t-fast);
    padding: 0.25rem;
    border-radius: 6px;
    line-height: 1;
}
.trend-fav-btn:hover { color: var(--red); transform: scale(1.2); }
.trend-fav-btn.active { color: var(--red); }

@media (max-width: 640px) {
    .trend-row { grid-template-columns: 36px 1fr auto; }
    .trend-velocity, .trend-stars { display: none; }
}

/* =========================================================================
   CATEGORY CHIPS
   ========================================================================= */
.category-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.chip {
    height: 36px;
    padding: 0 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-2);
    background: var(--surface);
    border: 1px solid var(--border);
    transition: all var(--t-fast);
    cursor: pointer;
}
.chip:hover {
    border-color: var(--accent);
    color: var(--accent-2);
}
.chip.active {
    background: var(--accent-glow);
    border-color: var(--border-accent);
    color: var(--accent-2);
    font-weight: 600;
}

/* =========================================================================
   REPO CARD GRID
   ========================================================================= */
.repo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}
.repo-grid.list-mode {
    grid-template-columns: 1fr;
}

/* Loading skeletons */
.loading-skeleton {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    height: 200px;
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}
@keyframes skeleton-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.9; }
}

/* ––– REPO CARD ––– */
.repo-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-fast);
    cursor: pointer;
}
.repo-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card), 0 8px 30px var(--accent-glow);
    border-color: var(--border-accent);
}

.repo-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
}
.repo-card-lang {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.6rem;
    border-radius: 5px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    color: var(--text-2);
}
.repo-velocity-badge {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    background: var(--green-glow);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: 5px;
    padding: 0.2rem 0.5rem;
}

.repo-card-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.repo-card-desc {
    font-size: 0.84rem;
    color: var(--text-2);
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.repo-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.875rem;
    border-top: 1px solid var(--border);
    gap: 0.5rem;
}
.repo-stars {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--yellow);
    font-family: 'JetBrains Mono', monospace;
}
.repo-actions {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Card action buttons */
.icon-btn {
    width: 30px; height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    font-size: 0.85rem;
    color: var(--text-3);
    background: var(--bg-3);
    border: 1px solid var(--border);
    transition: all var(--t-fast);
}
.icon-btn:hover {
    color: var(--text);
    border-color: var(--accent);
    background: var(--accent-glow);
}
.icon-btn.fav-btn.active {
    color: var(--red);
    border-color: rgba(239,68,68,0.3);
    background: var(--red-glow);
}
.icon-btn.fav-btn:hover { color: var(--red); }

.btn-view-repo {
    height: 30px;
    padding: 0 0.75rem;
    border-radius: 7px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-2);
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    transition: all var(--t-fast);
}
.btn-view-repo:hover {
    background: var(--accent);
    color: #fff;
    border-color: transparent;
}

/* List mode overrides */
.repo-grid.list-mode .repo-card {
    flex-direction: row;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
}
.repo-grid.list-mode .repo-card-desc { display: none; }
.repo-grid.list-mode .repo-card-top {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    min-width: fit-content;
    flex-shrink: 0;
}
.repo-grid.list-mode .repo-card-name { font-size: 0.95rem; flex: 1; }
.repo-grid.list-mode .repo-card-footer { border-top: none; padding-top: 0; flex-shrink: 0; }

/* =========================================================================
   FAVORITES
   ========================================================================= */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}
.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}
.empty-state h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}
.empty-state p {
    font-size: 0.9rem;
    color: var(--text-2);
    margin-bottom: 1.25rem;
}

/* =========================================================================
   CONTROLS
   ========================================================================= */
.filter-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.sort-controls { display: flex; align-items: center; gap: 0.75rem; }

.select-sm {
    height: 36px;
    padding: 0 0.875rem;
    border-radius: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color var(--t-fast);
}
.select-sm:focus {
    outline: none;
    border-color: var(--accent);
}

.view-toggles {
    display: flex;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.vtoggle {
    height: 34px;
    padding: 0 0.75rem;
    font-size: 1rem;
    color: var(--text-2);
    transition: all var(--t-fast);
}
.vtoggle.active {
    background: var(--accent-glow);
    color: var(--accent-2);
}
.vtoggle:hover:not(.active) { background: var(--bg-3); }

/* =========================================================================
   BUTTONS
   ========================================================================= */
.btn-outline {
    height: 36px;
    padding: 0 1.25rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    transition: all var(--t-fast);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-2);
}
.btn-outline.danger { color: var(--red); }
.btn-outline.danger:hover { border-color: var(--red); background: var(--red-glow); }

/* =========================================================================
   MODAL
   ========================================================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.82);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-med);
    backdrop-filter: blur(8px);
}
.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}
.modal-card {
    background: var(--bg-2);
    border: 1px solid var(--border-accent);
    border-radius: 20px;
    max-width: 540px;
    width: 100%;
    max-height: 88vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
    transform: translateY(28px) scale(0.96);
    transition: transform var(--t-med), opacity var(--t-med);
    box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 0 0 1px var(--border-accent), inset 0 1px 0 rgba(255,255,255,0.05);
    scrollbar-width: none;
}
.modal-card::-webkit-scrollbar { display: none; }
.modal-overlay.open .modal-card {
    transform: translateY(0) scale(1);
}
.modal-close {
    position: absolute;
    top: 1.1rem; right: 1.1rem;
    width: 30px; height: 30px;
    border-radius: 50%;
    font-size: 0.85rem;
    color: var(--text-3);
    background: var(--bg-3);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    transition: all var(--t-fast);
    line-height: 1;
}
.modal-close:hover { color: var(--text); background: var(--surface-2); border-color: var(--border-accent); }

/* Modal content */
.modal-header-top {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    padding-right: 2.5rem;
}
.modal-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.025em;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    word-break: break-word;
}
.modal-desc {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.modal-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}
.modal-stat {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.875rem 0.75rem;
    text-align: center;
    transition: border-color var(--t-fast), background var(--t-fast);
}
.modal-stat:hover {
    border-color: var(--border-accent);
    background: var(--surface-2);
}
.modal-stat:first-child .modal-stat-val { color: var(--yellow); }
.modal-stat:last-child .modal-stat-val { color: var(--green); }
.modal-stat-val {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text);
    display: block;
    letter-spacing: -0.02em;
}
.modal-stat-label {
    font-size: 0.68rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: block;
    margin-top: 0.3rem;
    font-weight: 500;
}
.modal-meta {
    font-size: 0.82rem;
    color: var(--text-3);
    margin-bottom: 1.25rem;
}
.modal-actions {
    display: flex;
    gap: 0.625rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}
.modal-btn-primary {
    flex: 1;
    height: 42px;
    padding: 0 1rem;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    border: none;
    transition: all var(--t-fast);
    letter-spacing: 0.01em;
    box-shadow: 0 2px 12px var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}
.modal-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(99,102,241,0.4);
    filter: brightness(1.08);
}
.modal-btn-secondary {
    height: 42px;
    padding: 0 1.25rem;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--bg-3);
    color: var(--text-2);
    border: 1px solid var(--border);
    transition: all var(--t-fast);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.modal-btn-secondary:hover {
    border-color: var(--border-accent);
    color: var(--text);
    background: var(--surface-2);
}
.modal-btn-secondary.active {
    color: var(--red);
    border-color: rgba(239,68,68,0.35);
    background: var(--red-glow);
}
.modal-btn-secondary.active:hover { background: rgba(239,68,68,0.2); }

/* =========================================================================
   TOAST NOTIFICATIONS
   ========================================================================= */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}
.toast {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    font-size: 0.875rem;
    font-weight: 500;
    max-width: 340px;
    animation: toast-in 0.25s var(--ease) forwards;
    pointer-events: auto;
}
.toast.success { border-left-color: var(--green); }
.toast.error { border-left-color: var(--red); }
@keyframes toast-in {
    from { opacity: 0; transform: translateX(20px) scale(0.97); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

/* =========================================================================
   FAB — Back to Top
   ========================================================================= */
.fab-btn {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 1.1rem;
    box-shadow: 0 4px 16px var(--accent-glow), var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--t-med);
    z-index: 900;
}
.fab-btn:hover { background: var(--accent-2); transform: translateY(-3px); }

/* =========================================================================
   FOOTER
   ========================================================================= */
.main-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-2);
    padding: 1.25rem 0;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-3);
}

/* =========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================= */
@keyframes spin {
    to { transform: rotate(360deg); }
}
@keyframes pulse-ring {
    0%, 100% { box-shadow: 0 0 0 0 var(--green-glow); }
    50% { box-shadow: 0 0 0 5px transparent; }
}

/* =========================================================================
   RESPONSIVE — Mobile-first breakpoints
   ========================================================================= */

/* ––– Tablet (≤ 900px) ––– */
@media (max-width: 900px) {
    .repo-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
    .modal-card { max-width: 100%; margin: 0 0.5rem; }
    .podium-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ––– Small Tablet / Large Phone (≤ 768px) ––– */
@media (max-width: 768px) {
    /* Navbar: shrink search, hide label text */
    .nav-inner { gap: 0.5rem; padding: 0 1rem; }
    .logo-text { display: none; }           /* hide "DevPulse" text, keep icon */
    .nav-search-wrap { max-width: none; }   /* search takes remaining space */

    /* Tabs: full-width scrollable row */
    .nav-tabs { gap: 0.1rem; padding: 0 0.75rem; }
    .nav-tab { padding: 0 0.6rem; font-size: 0.8rem; }
    .tab-icon { font-size: 1rem; }

    /* Body offset for slightly smaller nav */
    body { padding-top: calc(var(--nav-h) + var(--tabs-h)); }

    /* Hero */
    .hero { padding: 2.5rem 0 2rem; }
    .hero-title { font-size: clamp(1.75rem, 6vw, 2.4rem); }
    .hero-sub { font-size: 0.95rem; margin-bottom: 1.75rem; }
    .hero-stats { width: 100%; }
    .hstat { padding: 0.75rem 1rem; flex: 1; }
    .hstat-val { font-size: 1.3rem; }

    /* Sections */
    .section-gap { padding: 2rem 0 2.5rem; }
    .section-gap-top { padding-top: 1.75rem; padding-bottom: 2.5rem; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 0.75rem; }

    /* Podium → single column */
    .podium-grid { grid-template-columns: 1fr; }

    /* Repo grid → 1 or 2 cols */
    .repo-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

    /* Disable list mode on mobile (force grid) */
    .repo-grid.list-mode { grid-template-columns: 1fr; }
    .repo-grid.list-mode .repo-card { flex-direction: column; align-items: flex-start; }
    .repo-grid.list-mode .repo-card-desc { display: -webkit-box; }
    .repo-grid.list-mode .repo-card-footer { border-top: 1px solid var(--border); padding-top: 0.875rem; }

    /* Controls */
    .filter-row { flex-wrap: wrap; gap: 0.5rem; }
    .view-toggles { display: none; }   /* hide grid/list toggle on mobile */

    /* Modal → slide up from bottom */
    .modal-overlay { align-items: flex-end; padding: 0; }
    .modal-card {
        max-width: 100%;
        width: 100%;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        border-top-left-radius: var(--radius-lg);
        border-top-right-radius: var(--radius-lg);
        max-height: 90vh;
        transform: translateY(100%);
    }
    .modal-overlay.open .modal-card { transform: translateY(0); }
    .modal-stats { grid-template-columns: repeat(2, 1fr); }

    /* Toast → full-width bottom */
    .toast-container { bottom: 16px; right: 16px; left: 16px; }
    .toast { max-width: 100%; }

    /* Footer */
    .footer-inner { flex-direction: column; text-align: center; }
}

/* ––– Mobile (≤ 640px) ––– */
@media (max-width: 640px) {
    /* Navbar */
    .nav-inner { padding: 0 0.75rem; }
    .btn-ghost span:last-child { display: none; }   /* hide badge label text if any */

    /* Hero */
    .hero { padding: 2rem 0 1.5rem; }
    .hero-title { font-size: 1.75rem; }
    .hero-sub { display: none; }    /* hide subtitle to save vertical space */
    .hero-stats { border-radius: var(--radius); }
    .hstat { padding: 0.65rem 0.75rem; }
    .hstat-val { font-size: 1.15rem; }
    .hstat-divider { display: none; }

    /* Repo grid → 1 column */
    .repo-grid { grid-template-columns: 1fr; }

    /* Trend row simplify: hide extra cols */
    .trend-row { grid-template-columns: 36px 1fr auto; gap: 0.5rem; padding: 0.75rem 1rem; }
    .trend-velocity { display: none; }
    .trend-stars { display: none; }

    /* Podium cards tighter */
    .podium-card { padding: 1rem; }
    .podium-name { font-size: 1rem; }

    /* Controls */
    .sort-controls { width: 100%; }
    .select-sm { width: 100%; }

    /* Modal */
    .modal-card { padding: 1.25rem; }
    .modal-title { font-size: 1.15rem; }
    .modal-stats { grid-template-columns: repeat(2, 1fr); }
    .modal-actions { flex-direction: column; }
    .modal-btn-secondary { width: 100%; text-align: center; }

    /* Section headers */
    .section-title { font-size: 1.15rem; }

    /* Empty states */
    .empty-state { padding: 2.5rem 1rem; }
    .empty-icon { font-size: 2.25rem; }

    /* FAB + toast don't overlap */
    .toast-container { bottom: 80px; }
}

/* ––– Very small phones (≤ 400px) ––– */
@media (max-width: 400px) {
    .nav-search { font-size: 0.8rem; }
    .hero-title { font-size: 1.5rem; }
    .hero-stats { flex-direction: column; }
    .hstat-divider { display: block; width: auto; height: 1px; margin: 0; }
    .modal-stat-val { font-size: 1rem; }
}