/* ═══════════════════════════════════════════════════════
   CSS Variables & Reset
   ═══════════════════════════════════════════════════════ */
:root {
    --bg: #0d1117;
    --surface: #161b22;
    --border: #30363d;
    --text: #c9d1d9;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --green: #3fb950;
    --orange: #d2991d;
    --red: #f85149;
    --purple: #a371f7;
    --cyan: #39d2c0;
    --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    background-image:
        radial-gradient(ellipse at 20% 10%, rgba(88, 166, 255, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 90%, rgba(163, 113, 247, 0.04) 0%, transparent 60%);
}

@property --logo-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

/* ═══════════════════════════════════════════════════════
   Header
   ═══════════════════════════════════════════════════════ */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(22, 27, 34, 0.85);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    user-select: none;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    flex-shrink: 0;
    padding: 3px;
    background: conic-gradient(
        from var(--logo-angle),
        rgb(255, 0, 0),
        rgb(255, 127, 0),
        rgb(255, 255, 0),
        rgb(0, 200, 0),
        rgb(0, 0, 255),
        rgb(75, 0, 130),
        rgb(148, 0, 211),
        rgb(255, 0, 0)
    );
    animation: logo-border-spin 3s linear infinite;
}

@keyframes logo-border-spin {
    to {
        --logo-angle: 360deg;
    }
}

.stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stats span {
    color: #fff;
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════
   Sticky Bar (Controls + Donation)
   ═══════════════════════════════════════════════════════ */
.sticky-bar {
    position: sticky;
    top: 73px;
    z-index: 99;
    background: rgba(13, 17, 23, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* ═══════════════════════════════════════════════════════
   Controls
   ═══════════════════════════════════════════════════════ */
.controls {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 1.5rem 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.search-wrapper {
    position: relative;
    flex: 1;
    min-width: 220px;
    max-width: 420px;
}

.search-wrapper svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    pointer-events: none;
}

#searchInput {
    width: 100%;
    padding: 0.7rem 1rem 0.7rem 2.6rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: #fff;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

#searchInput:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.12);
}

#searchInput::placeholder {
    color: var(--text-secondary);
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.chip {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
    user-select: none;
}

.chip:hover {
    border-color: #fff3;
    color: #ddd;
}

.chip.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.sort-btn {
    padding: 0.5rem 1.1rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.sort-btn:hover {
    border-color: #fff3;
}

.sort-btn.active-sort {
    border-color: var(--accent);
    color: var(--accent);
}

/* ═══════════════════════════════════════════════════════
   Grid & Cards
   ═══════════════════════════════════════════════════════ */
.container {
    max-width: 1400px;
    margin: 1.75rem auto 3rem;
    padding: 0 1.5rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.no-results h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

/* Card */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.card:hover {
    border-color: #fff2;
    box-shadow: var(--card-shadow);
    transform: translateY(-2px);
}

.card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.lang-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
    color: #fff;
}

.lang-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.01em;
    word-break: break-word;
}

.lang-year {
    font-size: 0.78rem;
    color: var(--text-secondary);
    background: #fff1;
    padding: 0.2rem 0.55rem;
    border-radius: 20px;
    white-space: nowrap;
}

.lang-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag {
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-weight: 500;
    white-space: nowrap;
}

.tag-paradigm {
    background: rgba(163, 113, 247, 0.15);
    color: var(--purple);
}

.tag-typing {
    background: rgba(57, 210, 192, 0.15);
    color: var(--cyan);
}

.tag-creator {
    background: rgba(210, 153, 29, 0.15);
    color: var(--orange);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    padding-top: 0.65rem;
    margin-top: auto;
}

/* Card accent colors */
.card-accent-blue::before {
    background: var(--accent);
}

.card-accent-green::before {
    background: var(--green);
}

.card-accent-orange::before {
    background: var(--orange);
}

.card-accent-purple::before {
    background: var(--purple);
}

.card-accent-cyan::before {
    background: var(--cyan);
}

.card-accent-red::before {
    background: var(--red);
}

.icon-blue {
    background: linear-gradient(135deg, #1a6dcc, #58a6ff);
}

.icon-green {
    background: linear-gradient(135deg, #1a7a3a, #3fb950);
}

.icon-orange {
    background: linear-gradient(135deg, #9a6d0c, #d2991d);
}

.icon-purple {
    background: linear-gradient(135deg, #6e3fc9, #a371f7);
}

.icon-cyan {
    background: linear-gradient(135deg, #1a7a6a, #39d2c0);
}

.icon-red {
    background: linear-gradient(135deg, #9a2020, #f85149);
}

/* ═══════════════════════════════════════════════════════
   Code Block & Copy Button
   ═══════════════════════════════════════════════════════ */
.code-block-wrapper {
    position: relative;
    margin-top: 0.6rem;
}

.code-block-wrapper code {
    display: block;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
    font-size: 0.73rem;
    background: #0d1117;
    border-radius: 6px;
    padding: 0.5rem 2.4rem 0.5rem 0.7rem;
    color: #c9d1d9;
    overflow-x: auto;
    white-space: pre-wrap;
    border: 1px solid #30363d;
    line-height: 1.5;
    word-break: break-word;
}

.copy-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(22, 27, 34, 0.85);
    border: 1px solid #30363d;
    border-radius: 5px;
    color: #8b949e;
    cursor: pointer;
    padding: 5px 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 2;
    backdrop-filter: blur(4px);
    line-height: 1;
}

.copy-btn:hover {
    color: #c9d1d9;
    border-color: #fff3;
    background: rgba(33, 38, 45, 0.92);
}

.copy-btn:active {
    transform: scale(0.92);
}

.copy-btn.copied {
    color: var(--green);
    border-color: var(--green);
    background: rgba(63, 185, 80, 0.18);
    pointer-events: none;
}

/* ═══════════════════════════════════════════════════════
   Donation Bar
   ═══════════════════════════════════════════════════════ */
.donation-bar {
    position: static;
    z-index: auto;
    background: transparent;
    border-top: 1px solid var(--border);
    border-bottom: none;
    margin: 0;
    backdrop-filter: none;
    box-shadow: none;
    width: 100%;
}

.donation-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

.donation-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.heart-icon {
    color: var(--red);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.donation-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
}

.donation-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    transition: var(--transition);
    white-space: nowrap;
    line-height: 1.2;
}

.donation-link:hover {
    border-color: #fff3;
    background: #1c2430;
}

.donation-icon {
    font-size: 1rem;
    line-height: 1;
}

/* Platform-specific accents */
.trakteer:hover {
    color: #d2991d;
    border-color: #d2991d;
}

.kofi:hover {
    color: #58a6ff;
    border-color: #58a6ff;
}

.nowpayment:hover {
    color: var(--purple);
    border-color: var(--purple);
}

/* ═══════════════════════════════════════════════════════
   Filter Dropdown
   ═══════════════════════════════════════════════════════ */
.filter-dropdown-wrapper {
    position: relative;
    flex-shrink: 0;
}

.filter-dropdown {
    position: relative;
}

.filter-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.9rem 0.55rem 0.85rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
    min-width: 155px;
    justify-content: space-between;
    user-select: none;
}

.filter-dropdown-trigger:hover {
    border-color: #fff3;
    background: #1c2430;
}

.filter-dropdown-trigger:focus-visible {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.filter-dropdown-trigger.is-open {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.12);
}

.filter-dropdown-icon {
    width: 15px;
    height: 15px;
    color: var(--text-secondary);
    flex-shrink: 0;
    transition: color var(--transition);
}

.filter-dropdown-trigger.is-open .filter-dropdown-icon {
    color: var(--accent);
}

.filter-dropdown-arrow {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    transition: transform var(--transition), color var(--transition);
    color: var(--text-secondary);
}

.filter-dropdown-trigger.is-open .filter-dropdown-arrow {
    transform: rotate(180deg);
    color: var(--accent);
}

/* Dropdown menu */
.filter-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 175px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.4rem;
    list-style: none;
    z-index: 200;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.3);
    animation: dropdownFadeIn 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.filter-dropdown-menu.open {
    display: block;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Option items */
.filter-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: background var(--transition), color var(--transition);
    white-space: nowrap;
    user-select: none;
}

.filter-option:hover {
    background: rgba(88, 166, 255, 0.08);
    color: var(--text);
}

.filter-option.active {
    background: rgba(88, 166, 255, 0.12);
    color: var(--accent);
}

.filter-option-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--border);
    flex-shrink: 0;
    transition: background var(--transition), transform var(--transition);
}

.filter-option:hover .filter-option-dot {
    background: var(--text-secondary);
}

.filter-option.active .filter-option-dot {
    background: var(--accent);
    transform: scale(1.3);
    box-shadow: 0 0 6px rgba(88, 166, 255, 0.6);
}

/* ═══════════════════════════════════════════════════════
   Scrollbar
   ═══════════════════════════════════════════════════════ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #fff1;
    border-radius: 20px;
}

/* ═══════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .sticky-bar {
        top: 103px;
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 1rem;
    }

    .controls {
        flex-direction: column;
        align-items: stretch;
        padding: 0.75rem 1rem 0.65rem;
    }

    .search-wrapper {
        max-width: 100%;
    }

    .card {
        padding: 1.1rem;
    }

    .code-block-wrapper code {
        font-size: 0.7rem;
        padding: 0.45rem 2.2rem 0.45rem 0.6rem;
    }

    .copy-btn {
        top: 4px;
        right: 4px;
        padding: 4px 6px;
    }

    .donation-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.75rem 1rem;
    }

    .donation-links {
        width: 100%;
        justify-content: flex-start;
    }

    .filter-dropdown-wrapper {
        width: 100%;
    }

    .filter-dropdown-trigger {
        width: 100%;
        min-width: unset;
        border-radius: 10px;
        padding: 0.65rem 1rem;
    }

    .filter-dropdown-menu {
        width: 100%;
        left: 0;
        right: 0;
    }
}

/* Share link row di dalam card */
.share-link-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 0.5rem;
}

.card-share-input {
    flex: 1;
    background: #0d1117;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 10px;
    border-radius: 6px;
    font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
    font-size: 0.68rem;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
    min-width: 0;
}

.card-share-input:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.card-share-input:focus {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.12);
}

.card-share-copy-btn {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.card-share-copy-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(88, 166, 255, 0.08);
}

.card-share-copy-btn.copied {
    color: var(--green);
    border-color: var(--green);
    background: rgba(63, 185, 80, 0.15);
    pointer-events: none;
}