/* CronBay — clean light design system (devbay family) */
:root {
    --bg: #f8fafc;
    --bg-soft: #f1f5f9;
    --text: #0f172a;
    --text-dim: #64748b;
    --text-faint: #94a3b8;
    --card: #ffffff;
    --card-strong: #f8fafc;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --accent-1: #6366f1;
    --accent-2: #4f46e5;
    --accent-3: #818cf8;
    --accent-soft: rgba(99, 102, 241, 0.08);
    --good: #10b981;
    --good-soft: rgba(16, 185, 129, 0.1);
    --warn: #d97706;
    --warn-soft: rgba(245, 158, 11, 0.12);
    --danger: #dc2626;
    --danger-soft: rgba(220, 38, 38, 0.08);
    --radius: 0.625rem;
    --shadow: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
    --shadow-hover: 0 4px 12px 0 rgba(15, 23, 42, 0.08);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
            "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

[data-theme="dark"] {
    --bg: #0f172a;
    --bg-soft: #1e293b;
    --text: #f1f5f9;
    --text-dim: #94a3b8;
    --text-faint: #64748b;
    --card: #1e293b;
    --card-strong: #0f172a;
    --border: #334155;
    --border-strong: #475569;
    --accent-1: #818cf8;
    --accent-2: #a5b4fc;
    --accent-3: #6366f1;
    --accent-soft: rgba(129, 140, 248, 0.14);
    --good: #34d399;
    --good-soft: rgba(52, 211, 153, 0.12);
    --warn: #fbbf24;
    --warn-soft: rgba(251, 191, 36, 0.12);
    --danger: #f87171;
    --danger-soft: rgba(248, 113, 113, 0.1);
    --shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 12px 0 rgba(0, 0, 0, 0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container { width: min(1160px, 92vw); margin: 0 auto; }

.mono { font-family: var(--mono); }
.hidden { display: none !important; }
.err-msg { color: var(--danger); font-weight: 600; }
.ok-msg { color: var(--good); font-weight: 700; }

/* ---------- header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-logo { display: flex; }
.brand-name { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; }
.brand-accent { color: var(--accent-1); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.icon-btn {
    display: flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 0.5rem;
    background: var(--card); border: 1px solid var(--border);
    color: var(--text-dim); cursor: pointer; transition: all 0.15s ease;
    font-family: inherit;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--card-strong); }
.icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.lang-select {
    appearance: none; -webkit-appearance: none;
    background: var(--card); border: 1px solid var(--border);
    border-radius: 0.5rem; color: var(--text-dim);
    font-family: inherit; font-size: 0.8rem; font-weight: 600;
    padding: 8px 28px 8px 12px; cursor: pointer; transition: all 0.15s ease;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 10px center;
}
.lang-select:hover { color: var(--text); border-color: var(--border-strong); }

/* ---------- hero ---------- */
.hero { text-align: center; padding: 56px 0 36px; }
.hero-title {
    font-size: clamp(2rem, 5.2vw, 3.2rem);
    font-weight: 900; letter-spacing: -0.03em; line-height: 1.15;
}
.hero-sub { max-width: 680px; margin: 16px auto 0; color: var(--text-dim); font-size: 1.03rem; }
.noscript-note { color: var(--danger); font-weight: 600; }

/* ---------- layout ---------- */
.main-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
    padding-bottom: 20px;
}
.stack { display: flex; flex-direction: column; gap: 20px; min-width: 0; }

/* ---------- cards ---------- */
.card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 22px;
    box-shadow: var(--shadow);
}
.card-title { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-faint); margin-bottom: 14px; }
.card-accent-side { border-top: 3px solid var(--accent-3); }

/* ---------- expression editor ---------- */
.expr-full {
    font-size: clamp(1.05rem, 2.6vw, 1.4rem);
    font-weight: 600; letter-spacing: 0.02em;
    padding: 10px 12px; margin-bottom: 12px;
    background: var(--bg-soft); border: 1px solid var(--border);
    border-radius: 0.5rem;
    word-break: break-all;
    color: var(--text);
}
.expr-full.bad-text { color: var(--danger); border-color: var(--danger); }

.fseg-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.fseg {
    display: flex; flex-direction: column; gap: 3px;
    background: var(--card); border: 1px solid var(--border);
    border-radius: 0.5rem; padding: 8px 8px 9px;
    font-family: inherit; cursor: pointer; text-align: left;
    transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
    min-width: 0;
}
.fseg:hover { border-color: var(--border-strong); background: var(--card-strong); }
.fseg.on { border-color: var(--accent-3); background: var(--accent-soft); box-shadow: 0 0 0 3px var(--accent-soft); }
.fseg.bad { border-color: var(--danger); background: var(--danger-soft); }
.fseg-name {
    font-size: 0.62rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.06em; color: var(--text-faint); white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
}
.fseg.on .fseg-name { color: var(--accent-1); }
.fseg-val {
    font-size: 0.95rem; font-weight: 600; color: var(--text);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.fseg.on .fseg-val { color: var(--accent-2); }
.fseg.bad .fseg-val { color: var(--danger); }

.editor-line {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    margin: 10px 2px 12px; font-size: 0.85rem;
}
.hint-msg { color: var(--text-faint); }

.editor-actions { margin-top: 4px; }
.action-msg {
    font-size: 0.82rem; font-weight: 600; color: var(--good);
    opacity: 0; transition: opacity 0.25s ease;
}
.action-msg.show { opacity: 1; }

.mono-input {
    font-family: var(--mono);
    font-size: 1rem; letter-spacing: 0.02em;
}
.text-edit { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 14px; }
.text-edit .input { width: 100%; }
.text-edit .field-hint { margin-top: 6px; }

/* ---------- buttons ---------- */
.btn {
    border: 1px solid var(--border); background: var(--card);
    border-radius: 0.5rem; padding: 9px 18px;
    font-family: inherit; font-size: 0.9rem; font-weight: 600;
    color: var(--text-dim); cursor: pointer; transition: all 0.15s ease;
}
.btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--card-strong); }
.btn-primary { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
.btn-primary:hover { background: var(--accent-1); border-color: var(--accent-1); color: #fff; }
.btn-sm { padding: 6px 13px; font-size: 0.82rem; border-radius: 0.375rem; }
.form-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* ---------- chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
    border: 1px solid var(--border); background: var(--card);
    border-radius: 999px; padding: 5px 13px;
    font-family: inherit; font-size: 0.82rem; font-weight: 600; color: var(--text-dim);
    cursor: pointer; transition: all 0.15s ease;
}
.chip:hover { color: var(--accent-1); border-color: var(--accent-3); }
.time-chip { cursor: default; }
.time-chip:hover { color: var(--text-dim); border-color: var(--border); }

/* ---------- builder ---------- */
.ftabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.ftab {
    border: 1px solid var(--border); background: var(--card);
    border-radius: 999px; padding: 5px 13px;
    font-family: inherit; font-size: 0.8rem; font-weight: 600; color: var(--text-dim);
    cursor: pointer; transition: all 0.15s ease;
}
.ftab:hover { border-color: var(--border-strong); color: var(--text); }
.ftab.active { border-color: var(--accent-3); background: var(--accent-soft); color: var(--accent-1); }

.mode-seg { margin-bottom: 14px; }
.seg { display: inline-flex; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 0.5rem; padding: 3px; gap: 3px; flex-wrap: wrap; }
.seg-btn {
    border: none; background: transparent; border-radius: 0.375rem;
    padding: 7px 14px; font-family: inherit; font-size: 0.88rem; font-weight: 600;
    color: var(--text-dim); cursor: pointer; transition: all 0.15s ease;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.active { background: var(--card); color: var(--accent-1); box-shadow: var(--shadow); }

.bctl-row {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    margin-bottom: 10px;
}
.bctl-row-wide { row-gap: 8px; }
.bctl-label { color: var(--text-dim); font-weight: 600; font-size: 0.85rem; }
.bctl-note { font-size: 0.78rem; color: var(--text-faint); margin: 2px 0 10px; }
.bctl-clear { margin-top: 10px; }

.field-label { font-size: 0.78rem; font-weight: 600; color: var(--text-dim); }
.input {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 0.5rem; padding: 8px 11px;
    font-family: inherit; font-size: 0.9rem; color: var(--text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input:focus { outline: none; border-color: var(--accent-1); box-shadow: 0 0 0 3px var(--accent-soft); }
.input-sm { padding: 6px 9px; font-size: 0.86rem; }
select.input-sm { cursor: pointer; }
.num-input { max-width: 92px; }

.int-sentence { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 0.95rem; font-weight: 600; }
.int-num { width: 76px; text-align: center; font-weight: 700; }

.chip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(46px, 1fr));
    gap: 6px;
    max-height: 190px; overflow-y: auto;
    padding: 2px;
}
.chip-grid:has(.chip-mini-wide) { grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); }
.chip-mini {
    border: 1px solid var(--border); background: var(--card);
    border-radius: 0.4rem; padding: 5px 4px;
    font-family: inherit; font-size: 0.78rem; font-weight: 600; color: var(--text-dim);
    cursor: pointer; transition: all 0.1s ease;
}
.chip-mini:hover { border-color: var(--border-strong); color: var(--text); }
.chip-mini.on { background: var(--accent-soft); border-color: var(--accent-3); color: var(--accent-2); }
.chip-mini-wide { font-size: 0.74rem; }

.field-preview {
    margin-top: 10px; font-size: 0.84rem; color: var(--text-dim);
    background: var(--bg-soft); border: 1px solid var(--border);
    border-radius: 0.4rem; padding: 6px 10px;
    word-break: break-all;
}

/* ---------- meaning ---------- */
.meaning-text {
    font-size: clamp(1.1rem, 2.4vw, 1.35rem);
    font-weight: 700; line-height: 1.5; letter-spacing: -0.01em;
    color: var(--text);
}
#meaningNote { margin-top: 8px; }
.note { font-size: 0.8rem; color: var(--text-faint); margin-top: 12px; line-height: 1.7; }

/* ---------- next runs ---------- */
.sched-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.sched-head .card-title { margin-bottom: 0; }
.badge {
    display: inline-block; padding: 2px 10px; border-radius: 999px;
    font-size: 0.72rem; font-weight: 700; white-space: nowrap;
}
.badge-accent { background: var(--accent-soft); color: var(--accent-1); }
.badge-upcoming { background: var(--bg-soft); color: var(--text-dim); }
.run-row {
    display: grid; grid-template-columns: auto 1fr auto;
    align-items: center; gap: 12px;
    padding: 9px 2px; border-bottom: 1px solid var(--border);
}
.run-row:last-of-type { border-bottom: none; }
.run-time { font-size: 1.08rem; font-weight: 700; color: var(--accent-2); }
.run-date { color: var(--text-dim); font-size: 0.9rem; }
.run-rel { color: var(--text-faint); font-size: 0.78rem; text-align: right; }
.run-next { justify-self: end; }
.empty-hint { color: var(--text-faint); font-size: 0.9rem; }

/* ---------- calendar ---------- */
.cal-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px; margin-bottom: 12px;
}
.cal-title { font-size: 1.02rem; font-weight: 800; }
.icon-btn-sm { width: 32px; height: 32px; border-radius: 0.45rem; }
.icon-btn-sm svg { width: 14px; height: 14px; }

.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 6px;
}
.cal-wd {
    text-align: center; font-size: 0.68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--text-faint); padding: 2px 0 6px;
}
.cal-cell {
    position: relative;
    aspect-ratio: 1.15 / 1;
    border: 1px solid var(--border);
    background: var(--card);
    border-radius: 0.4rem;
    display: flex; align-items: center; justify-content: center;
    font-family: inherit; font-size: 0.85rem; font-weight: 600; color: var(--text-dim);
    cursor: default; padding: 0;
}
.cal-cell.blank { border-color: transparent; background: transparent; }
.cal-cell.day { cursor: pointer; }
.cal-cell.day:hover { border-color: var(--accent-3); color: var(--accent-1); }
.cal-cell.today { border-color: var(--accent-1); border-width: 2px; }
.cal-cell.sel { background: var(--accent-soft); border-color: var(--accent-3); color: var(--accent-2); }
.cal-cell.hit .cal-num { color: var(--text); }
.cal-dot {
    position: absolute; bottom: 12%;
    width: 5px; height: 5px; border-radius: 50%;
    background: var(--accent-1);
}
.cal-cell.sel .cal-dot { background: var(--accent-2); }
.cal-legend { font-size: 0.75rem; color: var(--text-faint); margin-bottom: 10px; }

.day-runs { border-top: 1px solid var(--border); padding-top: 12px; }
.day-head { font-size: 0.88rem; font-weight: 700; margin-bottom: 10px; }
.field-hint { font-size: 0.78rem; color: var(--text-faint); margin-top: 6px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 44px; background: var(--card); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 28px 0; }
.footer-tag { font-size: 0.85rem; color: var(--text-dim); margin-top: 4px; max-width: 480px; }
.footer-meta { font-size: 0.78rem; color: var(--text-faint); max-width: 420px; text-align: right; }
.credit { margin-top: 4px; }
.credit a { color: var(--text-faint); }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
    .main-grid { grid-template-columns: 1fr; }
    .footer-meta { text-align: center; }
}
@media (max-width: 640px) {
    .nav { height: 60px; }
    .hero { padding: 36px 0 24px; }
    .fseg-row { gap: 5px; }
    .fseg { padding: 6px 4px 7px; }
    .fseg-name { font-size: 0.56rem; }
    .fseg-val { font-size: 0.78rem; }
    .card { padding: 16px; }
    .footer-inner { flex-direction: column; text-align: center; }
    .footer-meta { text-align: center; }
    .run-row { grid-template-columns: auto 1fr; }
    .run-rel { display: none; }
}