:root { color-scheme: dark; }
.theme-toggle { min-width:112px; white-space:nowrap; }
.theme-toggle:focus-visible { outline:2px solid var(--blue); outline-offset:3px; }
:root[data-theme="light"] {
 color-scheme:light;
 --bg:#fbf6fc;--bg2:#f6ecf7;--panel:#ffffff;--panel2:#f6ecf7;--line:#e7dbea;
 --text:#1f1226;--muted:#5d4f67;--green:#15803d;--red:#be123c;--blue:#7a1f86;
 --accent:#d6246e;--accent-ink:#fff;--accent-text:#b0175a;--field:#fff;--track:#efe2f1;
 --card:#fff;--nav-bg:rgba(255,255,255,.9);
}
[data-theme="light"] body { background:radial-gradient(1100px 520px at 85% -10%,rgba(214,36,110,.10),transparent 60%),linear-gradient(180deg,#fcebf3,var(--bg) 340px);background-attachment:fixed; }
[data-theme="light"] .card:not(.folder):not(.lesson):not(.level) { background:#fff;box-shadow:0 12px 32px rgba(74,18,89,.07); }
[data-theme="light"] .card.hero:not(.folder):not(.lesson):not(.level) { background:linear-gradient(135deg,#4a1259 0%,#7a1f86 60%,#a3206f 100%);border-color:#4a1259;color:#fff; }
[data-theme="light"] .card.hero h1 { color:#fff; }
[data-theme="light"] .card.hero .muted { color:#f3dcef; }
[data-theme="light"] .card.hero .eyebrow { color:#ffb3d3; }
[data-theme="light"] .card.hero .pill { background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);color:#fff; }
[data-theme="light"] .pill,
[data-theme="light"] .select,
[data-theme="light"] .search,
[data-theme="light"] .login input,
[data-theme="light"] .answerbox input,
[data-theme="light"] .form-card input,
[data-theme="light"] .form-card textarea,
[data-theme="light"] #dictionaryQuery { background:#fff;border-color:var(--line); }
[data-theme="light"] #dictionaryView .card { border-color:var(--line); }
[data-theme="light"] .eyebrow,
[data-theme="light"] .big { color:var(--accent-text); }
[data-theme="light"] .answer-details,
[data-theme="light"] .answer-details b { color:var(--text); }
[data-theme="light"] .answer-details .example { color:var(--muted); }
[data-theme="light"] .bar { background:var(--track); }
[data-theme="light"] .nav { box-shadow:0 10px 30px rgba(74,18,89,.12); }
[data-theme="light"] .toast { background:#fff;box-shadow:0 8px 30px rgba(74,18,89,.15); }
[data-theme="light"] .danger { background:#ffe4e6;color:#9f1239; }
[data-theme="light"] .remember-btn { background:#dcfce7;color:#166534; }
[data-theme="light"] .review-btn { background:#ffedd5;color:#9a3412; }
[data-theme="light"] .level { color:#fff; }
[data-theme="light"] .level .muted { color:#e2e8f0; }
[data-theme="light"] .folder:focus-visible,
[data-theme="light"] .lesson:focus-visible { outline:2px solid #7a1f86;outline-offset:3px; }
[data-theme="light"] input::placeholder,
[data-theme="light"] textarea::placeholder { color:#8a7a92;opacity:1; }