/* Light theme · warm paper, deep violet / rose accents. Switched with html[data-theme="light"]. */
:root[data-theme="light"]{color-scheme:light;--bg:#f8f6fb;--panel:#ffffff;--panel-2:#f3f0f9;--line:#ddd6ec;--line-soft:#ebe6f4;--text:#1c1930;--body:#3a3654;--muted:#5c5777;--faint:#716c8a;--accent:#6b46c1;--violet:#6b46c1;--pink:#b0306f;--blue:#3a58bd}

:root[data-theme="light"] .site-header,
:root[data-theme="light"] .site-info{background:#fff}
:root[data-theme="light"] .reading-pane,
:root[data-theme="light"] #genre-navigation{scrollbar-color:#cbc3df transparent}

/* switches */
:root[data-theme="light"] .mode-switch,
:root[data-theme="light"] .lang-switch,
:root[data-theme="light"] .segmented{background:#efecf6}
:root[data-theme="light"] .mode-switch button[aria-selected=true],
:root[data-theme="light"] .lang-switch button[aria-pressed=true],
:root[data-theme="light"] .segmented button[aria-selected=true]{background:#fff;box-shadow:inset 0 0 0 1px #cfc5e8,0 1px 2px #1c193014}

/* sidebar tree */
:root[data-theme="light"] .branch-title,
:root[data-theme="light"] .tree-link,
:root[data-theme="light"] .facet-link{color:#2b2742}
:root[data-theme="light"] .tree-link:hover,
:root[data-theme="light"] .facet-link:hover,
:root[data-theme="light"] .branch-title:hover{background:#f0ecf9}
:root[data-theme="light"] .tree-row.selected{background:#ece4fb}
:root[data-theme="light"] .tree-row.selected .tree-link,
:root[data-theme="light"] .tree-row.selected .facet-link{color:#8c2860}
:root[data-theme="light"] .sidebar{box-shadow:15px 0 50px #1c193022}
:root[data-theme="light"] .drawer-backdrop{background:#1c193055}

/* chips & buttons */
:root[data-theme="light"] .chip{border-color:#d6ccef;background:#f5f1fd;color:#4a2d97}
:root[data-theme="light"] .chip:hover{background:#e9e1fa;color:#2c1966}
:root[data-theme="light"] .chip-scene{border-color:#eec8db;background:#fdf1f7;color:#962a63}
:root[data-theme="light"] .chip-scene:hover{background:#f8e1ed;color:#6f1c48}
:root[data-theme="light"] .chip.on{background:#6b46c1;border-color:#6b46c1;color:#fff}
:root[data-theme="light"] .copy-button,
:root[data-theme="light"] .home-button.primary{background:#6b46c1;border-color:#6b46c1;color:#fff}
:root[data-theme="light"] .copy-button:hover,
:root[data-theme="light"] .home-button.primary:hover{background:#5935ad}
:root[data-theme="light"] .home-button{border-color:#bba8e4;color:#4a2d97}
:root[data-theme="light"] .home-button:hover{background:#f1ecfb}

/* genre page */
:root[data-theme="light"] .breadcrumb .slash,
:root[data-theme="light"] .home-stats span{color:#b3acc9}
:root[data-theme="light"] .name-zh{color:#3a3654}
:root[data-theme="light"] .hero-image,
:root[data-theme="light"] .genre-card figure{background:#ece8f4}
:root[data-theme="light"] .prompt-card{border-color:#d8cfee}
:root[data-theme="light"] .prompt-card pre{color:#291f4f;background:#f6f3fc}
:root[data-theme="light"] .prompt-length{background:#ece6f8;color:#4a2d97}
:root[data-theme="light"] .dna-tempo strong{color:#2a2460}
:root[data-theme="light"] .signature{color:#3a2e6d!important}
:root[data-theme="light"] .use-item{border-left-color:#c8bbe9}
:root[data-theme="light"] .genre-card a:hover{border-color:#a68bd9}
:root[data-theme="light"] .family-list a{background:#f6f3fc}
:root[data-theme="light"] .home-steps li::before{border-color:#c8bbe9}
:root[data-theme="light"] .visual-placeholder span{background:#ffffffcc;color:#2b2742}

/* footer contact card */
:root[data-theme="light"] .creator-contact summary:hover,
:root[data-theme="light"] .creator-contact[open] summary{border-color:#bba8e4;background:#f1ecfb}
:root[data-theme="light"] .contact-card{border-color:#d8cfee;background:#fff;box-shadow:0 12px 35px #1c193022}

/* waveform */
:root[data-theme="light"] .waveform-panel{color:#5a3ea6}
:root[data-theme="light"] .waveform-toggle:hover{border-color:#bba8e4;color:#b0306f;background:#f6f0fb}
:root[data-theme="light"] .waveform-axis{stroke:#d9d3e8}
:root[data-theme="light"] #waveform-ink stop:nth-child(1){stop-color:#3a58bd}
:root[data-theme="light"] #waveform-ink stop:nth-child(2){stop-color:#6b46c1}
:root[data-theme="light"] #waveform-ink stop:nth-child(3),
:root[data-theme="light"] #waveform-ink stop:nth-child(4){stop-color:#c0397c}

/* theme toggle (both themes) */
.theme-toggle{display:inline-grid;place-items:center;width:32px;height:30px;margin-left:10px;padding:0;border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--muted);flex-shrink:0;cursor:pointer}
.theme-toggle:hover{color:var(--text);border-color:var(--accent)}
.theme-toggle svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .sun{display:none}
:root[data-theme="light"] .theme-toggle .sun{display:block}
:root[data-theme="light"] .theme-toggle .moon{display:none}
@media(max-width:800px){.theme-toggle{margin-left:8px;width:30px}}