/* Trakaido views — styled to echo the Trakaido React app palette
   (primary blue #0095ff family, clean card-based layout). */

:root {
    --tk-primary: #0095ff;
    --tk-primary-hover: #0085f3;
    --tk-primary-dark: #0056a4;
    --tk-bg: #f5f7fa;
    --tk-card-bg: #ffffff;
    --tk-text: #1a1a1a;
    --tk-text-muted: #6b7280;
    --tk-border: #e5e7eb;
    --tk-radius: 10px;
    --tk-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

.trakaido-page {
    max-width: 1100px;
    margin: 1.5rem auto;
    padding: 0 1rem;
    color: var(--tk-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.trakaido-header,
.trakaido-hero {
    margin-bottom: 1.5rem;
}

.trakaido-hero h1,
.trakaido-header h1 {
    margin: 0 0 0.25rem 0;
    font-size: 2rem;
    font-weight: 700;
    color: var(--tk-primary-dark);
}

.trakaido-subtitle,
.trakaido-meta {
    color: var(--tk-text-muted);
    font-size: 0.95rem;
}

.trakaido-source {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.85rem;
}

/* Activity grid (landing) */
.trakaido-activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.trakaido-activity-card {
    display: block;
    background: var(--tk-card-bg);
    border: 1px solid var(--tk-border);
    border-radius: var(--tk-radius);
    padding: 1.25rem;
    box-shadow: var(--tk-shadow);
    text-decoration: none;
    color: inherit;
    transition: transform 0.1s ease, box-shadow 0.1s ease, border-color 0.1s ease;
}

.trakaido-activity-card:hover {
    transform: translateY(-2px);
    border-color: var(--tk-primary);
    box-shadow: 0 4px 10px rgba(0, 149, 255, 0.12);
    color: inherit;
    text-decoration: none;
}

.trakaido-activity-icon {
    font-size: 1.75rem;
    color: var(--tk-primary);
    margin-bottom: 0.5rem;
}

.trakaido-activity-card h2 {
    margin: 0 0 0.25rem 0;
    font-size: 1.15rem;
    font-weight: 600;
}

.trakaido-activity-card p {
    margin: 0;
    color: var(--tk-text-muted);
    font-size: 0.9rem;
}

/* Controls bar */
.trakaido-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 0.75rem;
    background: var(--tk-card-bg);
    border: 1px solid var(--tk-border);
    border-radius: var(--tk-radius);
    padding: 0.9rem 1rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--tk-shadow);
}

.trakaido-control {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.85rem;
    color: var(--tk-text-muted);
}

.trakaido-control select {
    min-width: 180px;
    padding: 0.4rem 0.55rem;
    border: 1px solid var(--tk-border);
    border-radius: 6px;
    background: #fff;
    font-size: 0.95rem;
    color: var(--tk-text);
}

.trakaido-button {
    padding: 0.5rem 1rem;
    background: var(--tk-primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.1s ease;
}

.trakaido-button:hover {
    background: var(--tk-primary-hover);
}

/* Card sections */
.trakaido-card {
    background: var(--tk-card-bg);
    border: 1px solid var(--tk-border);
    border-radius: var(--tk-radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--tk-shadow);
}

.trakaido-section-title {
    margin: 0 0 1rem 0;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--tk-text-muted);
}

.trakaido-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.trakaido-section-header .trakaido-section-title {
    margin: 0;
}

.trakaido-audio-button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    background: var(--tk-primary);
    color: white;
    border: none;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.1s ease, transform 0.08s ease;
}

.trakaido-audio-button:hover {
    background: var(--tk-primary-hover);
}

.trakaido-audio-button.is-playing {
    background: var(--tk-primary-dark);
}

.trakaido-audio-icon {
    font-size: 0.7rem;
    line-height: 1;
}

/* Glossed (per-word) block */
.trakaido-gloss-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.trakaido-gloss-words {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    flex: 1;
}

.trakaido-glossed-word {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.25;
    min-width: 2rem;
}

.trakaido-glossed-native {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--tk-text);
}

.trakaido-glossed-gloss {
    font-size: 0.9rem;
    color: var(--tk-primary-dark);
    margin-top: 0.15rem;
}

.trakaido-glossed-link {
    text-decoration: none;
    color: inherit;
    border-radius: 6px;
    padding: 0.15rem 0.3rem;
    margin: -0.15rem -0.3rem;
    transition: background-color 0.12s ease;
}

.trakaido-glossed-link:hover {
    background-color: rgba(0, 149, 255, 0.08);
}

.trakaido-glossed-link:hover .trakaido-glossed-native {
    color: var(--tk-primary);
}

/* Side-by-side comparison with connecting lines */
.trakaido-compare {
    position: relative;
    padding: 0.5rem 0;
}

.trakaido-compare-row {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.trakaido-compare-words {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    flex: 1;
    min-height: 2rem;
    align-items: center;
}

.trakaido-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.tk-chip-stack {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.15;
}

.tk-chip-gram {
    margin-top: 0.1rem;
    font-size: 0.72rem;
    color: var(--tk-text-muted);
    font-style: italic;
    letter-spacing: 0.01em;
    min-height: 1em;
    white-space: pre;
}

/* Word chips — colored text on a barely-there tinted background. */
.tk-chip {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    background: transparent;
    color: var(--tk-text);
    font-size: 1.05rem;
    font-weight: 500;
    border: 1px solid transparent;
    transition: background 0.08s ease, border-color 0.08s ease;
}

.tk-chip-active {
    border-color: currentColor;
}

/* 12-color pair palette: saturated text color + very low-saturation tint. */
.tk-pair-0  { color: #c43a3a; background: rgba(196, 58, 58, 0.07); }
.tk-pair-1  { color: #c46a1a; background: rgba(196, 106, 26, 0.07); }
.tk-pair-2  { color: #9b8a0c; background: rgba(155, 138, 12, 0.08); }
.tk-pair-3  { color: #5a8a1a; background: rgba(90, 138, 26, 0.07); }
.tk-pair-4  { color: #1f8a5a; background: rgba(31, 138, 90, 0.07); }
.tk-pair-5  { color: #1a7a99; background: rgba(26, 122, 153, 0.07); }
.tk-pair-6  { color: #2a5fbf; background: rgba(42, 95, 191, 0.07); }
.tk-pair-7  { color: #6b3fbf; background: rgba(107, 63, 191, 0.07); }
.tk-pair-8  { color: #a1399f; background: rgba(161, 57, 159, 0.07); }
.tk-pair-9  { color: #b03060; background: rgba(176, 48, 96, 0.08); }
.tk-pair-10 { color: #4a6a2a; background: rgba(74, 106, 42, 0.08); }
.tk-pair-11 { color: #4a5a6a; background: rgba(74, 90, 106, 0.07); }

.trakaido-lang-tag {
    flex-shrink: 0;
    display: inline-block;
    min-width: 2.25rem;
    padding: 0.15rem 0.5rem;
    background: var(--tk-primary);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trakaido-empty {
    padding: 1.5rem;
    background: var(--tk-card-bg);
    border: 1px dashed var(--tk-border);
    border-radius: var(--tk-radius);
    color: var(--tk-text-muted);
    text-align: center;
}

/* Lemma view */
.trakaido-lemma-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 720px) {
    .trakaido-lemma-grid {
        grid-template-columns: 1fr;
    }
}

.trakaido-lemma-cell {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.trakaido-lemma-text {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--tk-text);
}

.trakaido-lemma-disambig {
    color: var(--tk-text-muted);
    font-style: italic;
}

.trakaido-lemma-definition {
    color: var(--tk-text);
    line-height: 1.4;
}

.trakaido-empty-inline {
    color: var(--tk-text-muted);
    font-style: italic;
}

.trakaido-forms-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.trakaido-forms-table th,
.trakaido-forms-table td {
    text-align: left;
    padding: 0.4rem 0.6rem;
    border-bottom: 1px solid var(--tk-border);
}

.trakaido-forms-table th {
    color: var(--tk-text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.trakaido-forms-table code {
    background: var(--tk-bg);
    padding: 0.05rem 0.3rem;
    border-radius: 3px;
    font-size: 0.85rem;
}

/* Lemma search results */
.trakaido-result-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.trakaido-result {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--tk-border);
}

.trakaido-result:last-child {
    border-bottom: none;
}

.trakaido-result a {
    color: var(--tk-primary-dark);
    text-decoration: none;
    font-size: 1.05rem;
}

.trakaido-result a:hover {
    text-decoration: underline;
}

.trakaido-result-disambig {
    color: var(--tk-text-muted);
    margin-left: 0.35rem;
    font-size: 0.9rem;
}

.trakaido-result-pos {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.05rem 0.45rem;
    background: var(--tk-bg);
    border: 1px solid var(--tk-border);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--tk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.trakaido-result-def {
    color: var(--tk-text-muted);
    font-size: 0.9rem;
    margin-top: 0.2rem;
}