:root {
    --bg: #ffffff;
    --surface: #ffffff;
    --surface2: #f7f8fa;
    --border: #c8cbd0;
    --border-strong: #c8cbd0;
    --text: #111318;
    --muted: #444444;
    --id-color: #c94040;
    --class-color: #b07d10;
    --element-color: #2d7a4f;
    --id-bg: #fef2f2;
    --class-bg: #fdf8ee;
    --element-bg: #f0faf5;
    --id-border: #f0c4c4;
    --class-border: #edd49a;
    --element-border: #a8deba;
    --accent: #4a5cf0;
    --accent-light: #eef0fe;
  }

  .container {
    width: 100%;
    /*max-width: 780px;*/
    display: flex;
    flex-direction: column;
    gap: 16px;
	border: 1px solid var(--bg);
	padding:1rem;
	border-radius:16px;
  }

  /* Input */
  .input-wrap {
    position: relative;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  }

  .input-wrap:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74,92,240,0.12), 0 1px 4px rgba(0,0,0,0.05);
  }

  .input-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    padding: 14px 20px 0;
    font-family: 'JetBrains Mono', monospace;
  }

  #selector-input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.15rem;
    padding: 6px 120px 14px 20px;
    caret-color: var(--accent);
  }

  #selector-input::placeholder {
    color: var(--border-strong);
  }

  .input-actions {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 8px;
  }

  .btn-clear {
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--muted);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
  }

  .btn-clear:hover {
    border-color: var(--border-strong);
    color: var(--text);
    background: var(--border);
  }

  /* Score */
  .score-card {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  }

  .score-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
    border-radius: inherit;
  }

  .score-card.has-value::before {
    opacity: 1;
  }

  .bucket {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 16px;
    border-radius: 10px;
    background: var(--surface2);
    border: 1.5px solid var(--border);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }

  .bucket::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 10px 10px 0 0;
    transition: all 0.3s;
  }

  .bucket.id::after { background: var(--id-color); }
  .bucket.class::after { background: var(--class-color); }
  .bucket.element::after { background: var(--element-color); }

  .bucket.active.id { background: var(--id-bg); border-color: var(--id-border); box-shadow: 0 2px 12px rgba(201,64,64,0.1); }
  .bucket.active.class { background: var(--class-bg); border-color: var(--class-border); box-shadow: 0 2px 12px rgba(176,125,16,0.1); }
  .bucket.active.element { background: var(--element-bg); border-color: var(--element-border); box-shadow: 0 2px 12px rgba(45,122,79,0.1); }

  .bucket-label {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
  }

  .bucket.id .bucket-label { color: var(--id-color); }
  .bucket.class .bucket-label { color: var(--class-color); }
  .bucket.element .bucket-label { color: var(--element-color); }

  .bucket-value {
    font-family: 'DM Serif Display', serif;
    font-size: 3.5rem;
    font-weight: 400;
    line-height: 1;
    transition: all 0.2s;
    color: var(--text);
  }

  .bucket.active.id .bucket-value { color: var(--id-color); }
  .bucket.active.class .bucket-value { color: var(--class-color); }
  .bucket.active.element .bucket-value { color: var(--element-color); }

  .bucket-sublabel {
    font-size: 0.75rem;
    color: var(--muted);
    text-align: center;
    line-height: 1.5;
    font-family: 'JetBrains Mono', monospace;
  }

  /* Tuple display */
  .tuple-display {
    display: flex;
	flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    background: var(--surface2);
    border-radius: 8px;
    border: 1px solid var(--border);
    grid-column: 1 / -1;
  }

  .tuple-display .label {
    color: var(--muted);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
  }

  .tuple-value {
    font-family: 'DM Serif Display', serif;
    font-size: 4rem;
    font-weight: 400;
    letter-spacing: 0.02em;
  }

  .tuple-value .t-id { color: var(--id-color); }
  .tuple-value .t-class { color: var(--class-color); }
  .tuple-value .t-element { color: var(--element-color); }
  .tuple-value .t-sep { color: var(--border-strong); margin: 0 4px; }

  /* Breakdown */
  .breakdown {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 14px;
    padding: 22px;
    min-height: 80px;
    transition: all 0.3s;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  }

  .breakdown h3 {
    font-size: 0.95rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
    font-family: 'JetBrains Mono', monospace;
  }

  .tokens {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 36px;
  }

  .token {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid;
    font-family: 'JetBrains Mono', monospace;
    animation: tokenIn 0.2s ease-out;
  }

  @keyframes tokenIn {
    from { opacity: 0; transform: translateY(4px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }

  .token.id {
    background: var(--id-bg);
    border-color: var(--id-border);
    color: var(--id-color);
  }

  .token.class {
    background: var(--class-bg);
    border-color: var(--class-border);
    color: var(--class-color);
  }

  .token.element {
    background: var(--element-bg);
    border-color: var(--element-border);
    color: var(--element-color);
  }

  .token.ignore {
    background: var(--surface2);
    border-color: var(--border);
    color: var(--muted);
  }

  .token .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
  }

  /* Compare mode */
  .compare-section {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  }

  .compare-header {
    padding: 14px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .compare-header h3 {
    font-size: 0.95rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
  }

  .btn-compare {
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--muted);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    padding: 5px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
  }

  .btn-compare:hover, .btn-compare.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
  }

  .compare-body {
    padding: 18px 22px;
    display: none;
    flex-direction: column;
    gap: 12px;
  }

  .compare-body.open { display: flex; }

  .compare-rows {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .compare-row {
    display: grid;
    grid-template-columns: 26px 1fr auto auto;
    align-items: center;
    gap: 10px;
  }

  .compare-row-label {
    font-family: 'DM Serif Display', serif;
    font-size: 1rem;
    color: var(--muted);
    text-align: center;
    user-select: none;
    flex-shrink: 0;
  }

  .compare-row input {
    background: var(--surface2);
    border: 1.5px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88rem;
    padding: 6px 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    min-width: 0;
  }

  .compare-row input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(74,92,240,0.1);
  }

  .compare-row input::placeholder { color: var(--border-strong); }

  .compare-badge {
    padding: 6px 10px;
    border-radius: 7px;
    font-size: 0.80rem;
    font-weight: 600;
    min-width: 86px;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.3s;
    color: var(--muted);
    background: var(--surface2);
    border: 1px solid var(--border);
    white-space: nowrap;
  }

  .compare-badge.rank-1 {
    background: var(--element-bg);
    border-color: var(--element-border);
    color: var(--element-color);
  }

  .compare-badge.rank-tied {
    background: var(--class-bg);
    border-color: var(--class-border);
    color: var(--class-color);
  }

  .compare-badge.rank-other {
    background: var(--surface2);
    border-color: var(--border);
    color: var(--muted);
  }

  .btn-remove-row {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
  }

  .btn-remove-row:hover {
    border-color: var(--id-border);
    color: var(--id-color);
    background: var(--id-bg);
  }

  .compare-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 4px;
  }

  .btn-add-row {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--surface2);
    border: 1.5px dashed var(--border);
    color: var(--muted);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
  }

  .btn-add-row:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
  }

  .compare-result {
    font-size: 1rem;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    text-align: right;
    flex: 1;
  }

  /* Ranking table */
  .ranking-table {
    border: 1.5px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    display: none;
  }

  .ranking-table.visible { display: block; }

  .ranking-row {
    display: grid;
    grid-template-columns: 40px 50px 1fr 90px;
    align-items: center;
    padding: 9px 14px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    animation: rowIn 0.18s ease-out;
  }

  @keyframes rowIn {
    from { opacity: 0; transform: translateX(-6px); }
    to   { opacity: 1; transform: translateX(0); }
  }

  .ranking-row:last-child { border-bottom: none; }
  .ranking-row.pos-1   { background: #f0fbf5; }
  .ranking-row.pos-tied { background: #fdfbf0; }
  .ranking-row.pos-other { background: var(--surface); }

  .rank-position {
    font-family: 'DM Serif Display', serif;
    font-size: 0.85rem;
    color: var(--muted);
  }
  .ranking-row.pos-1    .rank-position { color: var(--element-color); }
  .ranking-row.pos-tied .rank-position { color: var(--class-color); }

  .rank-label {
    font-family: 'DM Serif Display', serif;
    font-size: 1rem;
    color: var(--text);
    text-align: center;
  }

  .rank-selector {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 12px;
    opacity: 0.7;
  }

  .rank-score {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    text-align: right;
    white-space: nowrap;
    color: var(--muted);
  }
  .ranking-row.pos-1    .rank-score { color: var(--element-color); }
  .ranking-row.pos-tied .rank-score { color: var(--class-color); }

  .ranking-header-row {
    display: grid;
    grid-template-columns: 40px 50px 1fr 90px;
    padding: 6px 14px;
    background: var(--surface2);
    border-bottom: 1px solid var(--border);
  }

  .ranking-header-row span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .ranking-header-row span:last-child  { text-align: right; }
  .ranking-header-row span:nth-child(3) { padding-left: 12px; }

  /* Intro */
  .intro {
    width: 100%;
    max-width: 780px;
    margin-bottom: 8px;
  }

  .intro p {
    font-size: 0.95rem;
    line-height: 1.75;
    color: #3a3d45;
    margin-bottom: 14px;
  }

  .intro p:last-child { margin-bottom: 0; }

  .intro strong { color: var(--text); font-weight: 600; }

  .intro code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82em;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 5px;
    color: var(--accent);
  }

  /* About */

  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 12px;
	margin-bottom:2rem;
  }

  .about-tip {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 12px 14px;
    font-size: 0.82rem;
    line-height: 1.6;
    color: #333333;
  }

  .about-tip strong {
    display: block;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
  }

  .about-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    font-size: 0.85rem;
	margin-bottom:2rem;
  }

  .about-table th {
    text-align: left;
    padding: 7px 12px;
    background: var(--surface2);
    border: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
  }

  .about-table td {
    padding: 8px 12px;
    border: 1px solid var(--border);
    vertical-align: top;
    line-height: 1.5;
    color: #3a3d45;
  }

  .about-table td:first-child {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent);
    white-space: nowrap;
  }

  .about-table tr:nth-child(even) td { background: var(--surface2); }

  /* Share button & toast */
  .btn-share {
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--muted);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 5px;
  }

  .btn-share:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
  }

  .btn-share.copied {
    border-color: var(--element-border);
    color: var(--element-color);
    background: var(--element-bg);
  }

  .share-icon {
    font-size: 0.85rem;
    line-height: 1;
  }

  .toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    background: var(--text);
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    padding: 9px 18px;
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    white-space: nowrap;
    z-index: 100;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  }

  .toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  /* Examples */
  .examples-css {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 4px 0 0;
  }

  .example-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    padding: 5px 11px;
    border-radius: 7px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  }

  .example-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
  }

  /* Notice / important flag */
  .notice {
    background: #fffbeb;
    border: 1px solid #e8d48a;
    border-radius: 10px;
    padding: 10px 16px;
    font-size: 0.85rem;
    color: #92700a;
    display: none;
    align-items: center;
    gap: 10px;
    font-family: 'DM Sans', sans-serif;
  }

  .notice.show { display: flex; }

  .notice-icon { font-size: 1rem; flex-shrink: 0; }

  /* Empty state */
  .empty-state {
    color: var(--muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    /*opacity: 0.6;*/
    font-family: 'JetBrains Mono', monospace;
  }

  .error-state {
    color: var(--id-color);
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
  }

  /* Legend */
  .legend {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 4px;
  }

  .legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
  }

  .legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 2px;
    flex-shrink: 0;
  }