:root {
    --bg: #0b0f17;
    --bg-elevated: #121826;
    --bg-card: #161e2e;
    --border: #232d40;
    --text: #eef2ff;
    --text-dim: #8994ab;
    --accent: #ff5a36;
    --accent-2: #ffb703;
    --success: #22c55e;
    --danger: #ef4444;
    --radius: 14px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    --palette-1: #ff5a36;
    --palette-2: #22c55e;
    --palette-3: #3b82f6;
    --palette-4: #eab308;
    --palette-5: #ec4899;
    --palette-6: #14b8a6;
    --palette-7: #a855f7;
    --palette-8: #f97316;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top, #131b2c 0%, var(--bg) 60%);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding: 18px 24px;
    background: linear-gradient(180deg, var(--bg-elevated), rgba(18, 24, 38, 0.4));
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(6px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    font-size: 34px;
    filter: drop-shadow(0 0 10px rgba(255, 90, 54, 0.5));
}

.brand-text h1 {
    margin: 0;
    font-size: 20px;
    letter-spacing: 0.5px;
}

.brand-text h1 span {
    color: var(--accent);
}

.brand-text p {
    margin: 2px 0 0;
    font-size: 11px;
    letter-spacing: 1.5px;
    color: var(--text-dim);
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
}

.volume-control input[type="range"] {
    width: 140px;
    accent-color: var(--accent);
}

.volume-value {
    font-variant-numeric: tabular-nums;
    color: var(--text-dim);
    min-width: 40px;
    font-size: 13px;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 24px;
    align-items: center;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    flex: 1;
    min-width: 220px;
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    font-size: 14px;
    width: 100%;
}

.fav-toggle, .stop-all {
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    border-radius: 10px;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s ease, background 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.fav-toggle span:first-child {
    color: var(--accent-2);
}

.fav-toggle.active {
    background: rgba(255, 183, 3, 0.15);
    border-color: var(--accent-2);
}

.stop-all {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

.fav-toggle:hover, .stop-all:hover {
    transform: translateY(-1px);
}

.size-control {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 14px;
}

.size-control input[type="range"] {
    width: 100px;
    accent-color: var(--accent);
}

.size-icon {
    color: var(--text-dim);
    font-size: 11px;
}

.size-icon-big {
    font-size: 16px;
}

.category-tabs {
    display: flex;
    gap: 8px;
    padding: 0 24px 14px;
    overflow-x: auto;
}

.cat-tab {
    flex-shrink: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 12.5px;
    cursor: pointer;
    white-space: nowrap;
}

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

.board {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--card-min, 120px), 1fr));
    gap: 12px;
    padding: 4px 24px 40px;
}

@media (max-width: 400px) {
    .board {
        grid-template-columns: repeat(auto-fill, minmax(calc(var(--card-min, 120px) * 0.75), 1fr));
    }
}

.fx-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-top: 3px solid var(--cat-color, var(--accent));
    border-radius: var(--radius);
    padding: 10px 8px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    min-height: 92px;
    text-align: center;
    transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease;
    user-select: none;
}

.fx-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.fx-card:active {
    transform: scale(0.96);
}

.fx-card.playing {
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 25%, var(--bg-card));
    box-shadow: 0 0 0 2px var(--cat-color, var(--accent)), var(--shadow);
    animation: pulse 0.6s ease-in-out infinite alternate;
}

@keyframes pulse {
    from { transform: scale(1); }
    to { transform: scale(1.03); }
}

.fx-emoji {
    font-size: 30px;
    line-height: 1;
}

.fx-image {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 8px;
}

.fx-name {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    line-height: 1.2;
}

.fx-key {
    position: absolute;
    top: 6px;
    left: 8px;
    font-size: 10px;
    color: var(--text-dim);
    background: rgba(0, 0, 0, 0.3);
    padding: 1px 5px;
    border-radius: 4px;
}

.fx-star {
    position: absolute;
    top: 4px;
    right: 6px;
    font-size: 14px;
    color: #445069;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.fx-star.active {
    color: var(--accent-2);
    text-shadow: 0 0 8px rgba(255, 183, 3, 0.6);
}

.empty-state {
    text-align: center;
    color: var(--text-dim);
    padding: 60px 20px;
    font-size: 15px;
}