:root {
    /* Colors */
    --bg: #f6f8fb;
    --bg-grad-start: #eef2ff;
    --bg-grad-end: #f6f8fb;
    
    --panel: #ffffff;
    
    --text-main: #0f172a;
    --text-secondary: #07103a;
    --text-date: #0b1220; 
    --muted: #6b7280;
    
    --accent: #2563eb;
    --accent-light: #4b86ff;
    --accent-contrast: #ffffff;
    
    --play-btn-grad-1: #2563eb;
    --play-btn-grad-2: #1e66d6;
    
    --add-btn-grad-1: #0b84ff;
    --add-btn-grad-2: #0b6bfd;

    --success: #16a34a;
    --success-light: #3fc26a;
    
    --danger: #ef4444;
    --danger-light: #f87171;
    
    /* Inputs & Borders */
    --input-bg: #fbfdff;
    --input-border: #e6e9ef;
    --border-subtle: rgba(2,6,23,0.08);
    --border-dashed: #f0f3f7;
    
    /* List Items */
    --item-bg-1: #ffffff;
    --item-bg-2: #fcfdff;
    --number-bg-1: #ffffff;
    --number-bg-2: #f8fbff;
    --number-border: rgba(2,6,23,0.04);
    --number-text: #2563eb;
    
    /* Search Results */
    --selected-bg: linear-gradient(90deg, #f0f7ff, transparent);
    --close-btn-hover: #f3f4f6;
    
    /* Shadows - using rgb components */
    --shadow-rgb: 2, 6, 23;
    --shadow-accent-rgb: 37, 99, 235;
    
    /* Medals */
    --medal-1-1: #f6d365; --medal-1-2: #f2b13b;
    --medal-2-1: #e6e9ef; --medal-2-2: #cfcfcf;
    --medal-3-1: #d69a5a; --medal-3-2: #b36f34;
    --medal-text-1: #ffffff;
    --medal-text-2: #07103a;
    --medal-text-3: #ffffff;
    --medal-border: rgba(0,0,0,0.04);

    /* Other */
    --player-placeholder: #f3f4f6;
    --btn-hover-filter: brightness(0.95);
    --player-bg: #000;
}

/* Header Row for Title + Toggle */
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.header-row h1 {
    margin: 0;
}
.icon-only-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, color 0.15s ease;
}
.icon-only-btn:hover {
    background: var(--input-bg);
    color: var(--accent);
}

/* Use border-box everywhere to avoid sizing surprises */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    background: linear-gradient(180deg, var(--bg-grad-start) 0%, var(--bg-grad-end) 100%);
    color: var(--text-main);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 100vh;
    padding: 32px;
}

.app {
    width: 100%;
    max-width: 1100px;
    display: flex;
    gap: 20px;
    margin-top: 28px;
}

.left { flex: 1; min-width: 0; }
.right { flex: 1; min-width: 320px; }

.player-panel {
    background: var(--panel);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(var(--shadow-rgb), 0.10);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.player-title {
    font-weight: 800;
    font-size: 18px;
    color: var(--text-secondary);
}

#mainPlayer {
    width: 100%;
    height: calc(45vh);
    max-height: 560px;
    background: var(--player-bg);
    border-radius: 10px;
    display: block;
    box-shadow: 0 8px 30px rgba(var(--shadow-rgb), 0.08);
}

#audioPlayer {
    width: 100%;
    height: 54px; /* Standard browser audio player height */
    border-radius: 10px;
    background: var(--panel); 
}

.container {
    width: 100%;
    background: var(--panel);
    border-radius: 12px;
    padding: 18px;
    box-shadow: 0 10px 30px rgba(var(--shadow-rgb), 0.06);
}

h1 {
    font-size: 20px;
    color: var(--text-main);
}

.subtitle {
    margin: 0 0 14px 0;
    font-size: 13px;
    color: var(--muted);
}

.search-area {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

input {
    flex: 1;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    font-size: 14px;
    color: var(--text-main);
}
input::placeholder {
    color: var(--muted);
}

button {
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
}

button:hover {
    filter: var(--btn-hover-filter);
}

/* Rank List */
#rankList {
    list-style: none;
    padding: 0;
    margin: 12px 0 0 0;
}

.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 16px 10px 56px;
    background: var(--item-bg-1);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(var(--shadow-rgb), 0.05);
    margin-bottom: 8px;
    position: relative;
    color: var(--text-main);
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: grab;
}

.list-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(var(--shadow-rgb), 0.08);
    border-color: rgba(var(--shadow-accent-rgb), 0.3);
    z-index: 2;
}

/* rank badge using data-rank attribute (robust to dragging) */
.list-item::before {
    content: attr(data-rank);
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--number-bg-2);
    border: 1px solid var(--number-border);
    font-family: 'Inter', sans-serif;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    font-size: 14px;
    color: var(--muted);
    transition: all 0.2s ease;
}

.list-item.playing {
    outline: 3px solid rgba(var(--shadow-accent-rgb), 0.12);
    box-shadow: 0 8px 24px rgba(var(--shadow-accent-rgb), 0.10);
}

/* Now playing card */
.now-playing {
    display: flex;
    gap: 12px;
    align-items: center;
}

.now-playing-cover {
    width: 84px;
    height: 84px;
    object-fit: cover;
    border-radius: 8px;
    background: var(--player-placeholder);
    box-shadow: 0 6px 18px rgba(var(--shadow-rgb), 0.06);
}

.now-playing-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.player-sub {
    font-size: 13px;
    color: var(--muted);
}

.player-controls {
    display: flex;
    gap: 8px;
    margin-top: 6px;
}

.ctrl-btn {
    background: transparent;
    border: 2px solid var(--border-subtle);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ctrl-btn:hover {
    background: rgba(var(--shadow-accent-rgb), 0.06);
    border-color: rgba(var(--shadow-accent-rgb), 0.12);
}

.ctrl-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Player toggle icons (compact icon-only style) */
.player-toggle {
    padding: 6px;
    width: 40px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.player-toggle .icon {
    width: 18px;
    height: 18px;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 18px;
    line-height: 1;
    display: inline-block;
    vertical-align: middle;
}

.player-toggle .material-symbols-outlined {
    font-size: 18px;
}

.player-toggle.active {
    background: var(--accent);
    color: var(--accent-contrast);
    border-color: rgba(var(--shadow-accent-rgb), 0.14);
}

.player-toggle.active svg {
    fill: currentColor;
    stroke: currentColor;
}

.list-controls {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap; /* allow wrapping on small screens */
}

.list-controls .small {
    padding: 6px 8px;
    font-size: 13px;
    border-radius: 8px;
    border-width: 2px;
}

/* List improvements */
.list-item { transition: transform .14s cubic-bezier(.2,.9,.2,1), box-shadow .12s ease; }
.list-item:hover { transform: translateY(-6px); }

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: transform .12s ease, box-shadow .12s ease;
}

.play-open {
    /* using icon-btn rules instead, but providing fallback if class missing */
    background: transparent;
    color: var(--accent);
}
.play-open:hover {
    box-shadow: none;
    transform: none;
}

.add-btn, .add-open {
    background: linear-gradient(90deg, var(--add-btn-grad-1), var(--add-btn-grad-2));
    color: #fff;
}
.add-btn:hover, .add-open:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(11,104,255,0.12);
}

.select-anime {
    background: linear-gradient(90deg, var(--success), #0ea560);
    color: #fff;
}
.select-anime:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(16,163,90,0.12);
}

.result-actions .action-btn {
    padding: 6px 10px;
    font-size: 13px;
}
.list-item .action-btn {
    padding: 6px 10px;
    font-size: 13px;
}

.list-item span {
    font-size: 14px;
    color: var(--text-date);
}

.remove-btn {
    width: 32px; height: 32px;
    display: inline-flex;
    align-items: center; justify-content: center;
    border-radius: 8px;
    background: transparent;
    border: none;
    color: var(--muted);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.remove-btn:hover {
    background: #fee2e2;
    color: var(--danger);
    transform: rotate(90deg);
}

.remove-btn .material-symbols-outlined {
    font-size: 20px;
}

/* Icon-only buttons (play/add) */
.icon-btn {
    width: 34px; height: 34px;
    display: inline-flex;
    align-items: center; justify-content: center;
    border-radius: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--accent);
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.icon-btn .material-symbols-outlined {
    font-size: 22px;
}

.icon-btn:hover {
    background: var(--input-bg); /* subtle default hover */
}

/* Specific hover states for play/add */
.play-open.icon-btn {
    color: #000;
}
.play-open.icon-btn:hover {
    background: #dcfce7; /* Light green */
    color: #166534; /* Darker green */
    box-shadow: 0 4px 12px rgba(22, 101, 52, 0.2);
    transform: scale(1.05); /* subtle lift/grow */
}

.add-btn.icon-btn:hover, .add-open.icon-btn:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--shadow-accent-rgb), 0.25);
    transform: scale(1.05) rotate(90deg);
}

/* Keep icon-only buttons visually consistent */
.play-open.icon-btn, .add-open.icon-btn, .add-btn.icon-btn {
    box-shadow: none;
}
.list-thumb-small {
    width: 48px;
    height: 68px;
    flex: 0 0 48px;
    object-fit: cover;
    border-radius: 6px;
    margin-right: 8px;
    background: var(--player-placeholder);
}

.sortable-ghost {
    opacity: 0 !important;
    visibility: hidden !important;
}

.sortable-drag {
    opacity: 1 !important;
    background: var(--item-bg-1) !important;
    box-shadow: 0 16px 32px rgba(var(--shadow-rgb), 0.15);
    cursor: grabbing !important;
    transition: none !important;
}

/* make the list appear draggable and use grab/grabbing cursors */
.list-item { cursor: grab; }
.is-dragging, .is-dragging * { cursor: grabbing !important; }
.sortable-chosen { opacity: 0.98; }

/* Top-3 medal colors for rank badges */
.list-item[data-rank="1"]::before {
    background: linear-gradient(135deg, #FFD700 0%, #FDB931 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 10px rgba(253, 185, 49, 0.4);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    font-size: 16px;
}
.list-item[data-rank="2"]::before {
    background: linear-gradient(135deg, #E0E0E0 0%, #BDBDBD 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 10px rgba(189, 189, 189, 0.4);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    font-size: 15px;
}
.list-item[data-rank="3"]::before {
    background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 10px rgba(253, 160, 133, 0.4);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    font-size: 15px;
}


/* Search results dropdown */
.search-results {
    max-width: 100%;
    margin: 6px 0 12px 0;
    background: var(--panel);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(var(--shadow-rgb), 0.06);
    padding: 8px;
    max-height: 360px;
    overflow: auto;
}
.search-results ul { list-style: none; padding: 0; margin: 0; }

.search-results .result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
}
.search-results .result-item:not(:last-child) { margin-bottom: 6px; }

.result-main { flex: 1; text-align: left; }
.result-title { font-weight: 600; color: var(--text-secondary); }
.meta { font-size: 12px; color: var(--muted); margin-top: 4px; }

.result-actions { display: flex; gap: 8px; }

.add-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
}
.add-btn:hover {
    background: var(--accent-light);
    color: #fff;
}

.no-results { padding: 12px; color: var(--muted); }
.inline-loading {
    padding: 6px 8px;
    margin-top: 6px;
    background: transparent;
    color: var(--muted);
    font-size: 13px;
}

.result-item.selected {
    background: var(--selected-bg);
}

/* Stacked title in list items */
.list-title { display: flex; flex-direction: column; }
.list-title .song-title { font-size: 13px; color: var(--text-date); font-weight: 600; }
.list-title .anime-title { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Mode toggle (segmented control) */
.mode-toggle { display: inline-flex; align-items: center; gap: 6px; margin-left: 8px; margin-right: 8px; }
.mode-btn {
    background: transparent;
    border: 1px solid var(--input-border);
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    color: var(--text-main);
}
.mode-btn.active {
    background: linear-gradient(90deg, var(--accent), #1e66d6);
    color: #fff;
    border-color: rgba(30,102,214,0.9);
}
.mode-btn:focus { outline: 2px solid rgba(var(--shadow-accent-rgb), 0.18); }

/* Anime results */
.anime-results { padding: 4px 0; }
.anime-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-radius: 8px;
}
.anime-thumb {
    width: 56px;
    height: 80px;
    flex: 0 0 56px;
    object-fit: cover;
    border-radius: 6px;
}
.anime-main { flex: 1; text-align: left; }
.select-anime {
    background: #0f172a;
    color: #fff;
    border: 1px solid transparent;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.select-anime:hover {
    background: #1e293b;
    border-color: rgba(255,255,255,0.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

/* Openings list */
.opening-list {
    padding: 8px 0;
    border-top: 1px dashed var(--border-dashed);
    margin-top: 8px;
}
.opening-header { padding: 8px 10px; font-weight: 700; color: var(--text-main); }
.opening-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-radius: 8px;
}
.opening-actions { display: flex; gap: 8px; }
.add-open {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 8px 10px;
    border-radius: 8px;
}
.find-video {
    background: var(--muted);
    color: #fff;
    border: none;
    padding: 8px 10px;
    border-radius: 8px;
}
.add-open:hover { background: var(--accent-light); color: #fff; }
.find-video:hover { background: rgba(107,114,128,0.82); } /* approximates brightness change */

.play-open {
    background: transparent;
    color: var(--accent);
    border: none;
    padding: 8px 10px;
    border-radius: 8px;
}
.play-open:hover { background: transparent; color: var(--accent-light); }
.opening-player { padding: 8px 10px; }
.opening-player video {
    width: 100%;
    max-width: 420px;
    border-radius: 8px;
    display: block;
}

@media (max-width: 420px) {
    .container { padding: 14px; }
    .search-area { flex-direction: column; }
    button { width: 100%; }
}

/* Close button for search loading indicator */
.close-results-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 6px 8px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
}
.close-results-btn:hover { background: var(--close-btn-hover); }

@media (max-width: 1000px) {
    .app {
        flex-direction: column-reverse;
    }
    .left, .right {
        width: 100%;
    }
    .right {
        min-width: 0;
    }
}