/* 小六壬快速問事 — 樣式
   Mobile first；色票命名沿用蓍草頁（--ink / --accent / --paper）。
   深淺色：跟隨系統時用 prefers-color-scheme；手動切換時由 <html data-theme> 決定。 */

:root {
    --ink: #1e2a38;
    --ink-soft: #3b4a5c;
    --muted: #5c6b73;
    --accent: #c58c36;
    --accent-strong: #945b1f;
    --accent-soft: rgba(197, 140, 54, 0.14);
    --paper: #f4efe7;
    --paper-deep: #e9e0d2;
    --panel: #ffffff;
    --panel-alt: #fbf7f1;
    --line: #e1d7c8;
    --danger: #a83a2f;
    --danger-soft: rgba(168, 58, 47, 0.12);
    --ok: #3d7a4a;
    --ok-soft: rgba(61, 122, 74, 0.14);
    --warn: #8a6a1c;
    --warn-soft: rgba(197, 140, 54, 0.2);
    --shadow: 0 10px 26px rgba(30, 42, 56, 0.08);
    --radius: 14px;
    --tabbar-h: 60px;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --ink: #eae4da;
        --ink-soft: #cfc6b8;
        --muted: #a1998c;
        --accent: #d9a04a;
        --accent-strong: #b57a2a;
        --accent-soft: rgba(217, 160, 74, 0.16);
        --paper: #151b24;
        --paper-deep: #10151c;
        --panel: #1f2731;
        --panel-alt: #262f3a;
        --line: #35404d;
        --danger: #e07a6d;
        --danger-soft: rgba(224, 122, 109, 0.16);
        --ok: #7fc48d;
        --ok-soft: rgba(127, 196, 141, 0.16);
        --warn: #e0b45c;
        --warn-soft: rgba(224, 180, 92, 0.18);
        --shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
        color-scheme: dark;
    }
}

:root[data-theme="dark"] {
    --ink: #eae4da;
    --ink-soft: #cfc6b8;
    --muted: #a1998c;
    --accent: #d9a04a;
    --accent-strong: #b57a2a;
    --accent-soft: rgba(217, 160, 74, 0.16);
    --paper: #151b24;
    --paper-deep: #10151c;
    --panel: #1f2731;
    --panel-alt: #262f3a;
    --line: #35404d;
    --danger: #e07a6d;
    --danger-soft: rgba(224, 122, 109, 0.16);
    --ok: #7fc48d;
    --ok-soft: rgba(127, 196, 141, 0.16);
    --warn: #e0b45c;
    --warn-soft: rgba(224, 180, 92, 0.18);
    --shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

/* 讓 hidden 屬性優先於任何 display 設定（例如 .badge 的 inline-block） */
[hidden] {
    display: none !important;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--paper);
    color: var(--ink);
    font-family: "Noto Serif TC", "Songti TC", "PingFang TC", "Hiragino Sans GB", "Microsoft JhengHei", serif;
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

a {
    color: var(--accent-strong);
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 8px;
    background: var(--panel);
    padding: 8px 12px;
    border-radius: 8px;
    z-index: 100;
}
.skip-link:focus {
    left: 8px;
}

.app {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px) + 16px);
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* ---------- Header ---------- */

.app-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: calc(14px + env(safe-area-inset-top, 0px)) 0 10px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ink);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.5px;
}

.brand-mark {
    width: 22px;
    height: 22px;
    border-radius: 7px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    box-shadow: 0 4px 10px rgba(148, 91, 31, 0.3);
}

.brand-sub {
    color: var(--muted);
    font-size: 0.85rem;
    white-space: nowrap;
}

/* ---------- Layout blocks ---------- */

.view {
    outline: none;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

.panel h2 {
    margin: 0 0 12px;
    font-size: 1.2rem;
}

.panel h3 {
    margin: 0 0 8px;
    font-size: 1rem;
    color: var(--ink-soft);
}

.panel p {
    margin: 0 0 10px;
}

.muted {
    color: var(--muted);
}

.small {
    font-size: 0.88rem;
}

.hero-title {
    font-size: 1.6rem;
    margin: 6px 0 14px;
    line-height: 1.3;
}

/* ---------- Form ---------- */

label,
.label {
    display: block;
    font-weight: 600;
    margin: 0 0 6px;
    color: var(--ink-soft);
}

.field {
    margin-bottom: 16px;
}

textarea,
input[type="text"],
input[type="search"],
select {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 1.05rem;
    font-family: inherit;
    background: var(--panel-alt);
    color: var(--ink);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

textarea {
    min-height: 96px;
    resize: vertical;
}

input.numbers {
    font-size: 1.4rem;
    letter-spacing: 2px;
    font-variant-numeric: tabular-nums;
}

textarea:focus,
input:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.hint {
    color: var(--muted);
    font-size: 0.88rem;
    margin-top: 6px;
}

.error {
    color: var(--danger);
    background: var(--danger-soft);
    border-radius: 10px;
    padding: 10px 12px;
    margin-top: 10px;
    font-size: 0.95rem;
}

.notice {
    border-radius: 10px;
    padding: 12px 14px;
    margin: 12px 0;
    background: var(--warn-soft);
    color: var(--ink);
    border: 1px solid rgba(197, 140, 54, 0.4);
}

.notice.danger {
    background: var(--danger-soft);
    border-color: rgba(168, 58, 47, 0.4);
}

.notice.ok {
    background: var(--ok-soft);
    border-color: rgba(61, 122, 74, 0.4);
}

.notice p {
    margin: 0 0 8px;
}
.notice p:last-child {
    margin-bottom: 0;
}

/* ---------- Buttons ---------- */

button {
    min-height: 48px;
    padding: 10px 18px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--ink);
    background: var(--panel-alt);
    border: 1px solid var(--line);
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.2s ease;
    touch-action: manipulation;
}

button:hover:not(:disabled) {
    transform: translateY(-1px);
}

button:focus-visible {
    outline: 3px solid var(--accent-soft);
    outline-offset: 2px;
}

button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

button.primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-strong));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 12px 24px rgba(148, 91, 31, 0.25);
}

button.block {
    width: 100%;
    font-size: 1.15rem;
    min-height: 56px;
}

button.danger {
    color: var(--danger);
    border-color: rgba(168, 58, 47, 0.35);
}

button.small {
    min-height: 40px;
    padding: 6px 12px;
    font-size: 0.9rem;
}

button.link {
    background: none;
    border: none;
    color: var(--accent-strong);
    text-decoration: underline;
    padding: 4px 6px;
    min-height: 0;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.actions > * {
    flex: 1 1 calc(50% - 5px);
}

@media (min-width: 560px) {
    .actions > * {
        flex: 0 1 auto;
    }
}

/* ---------- Segmented control（驗證狀態）---------- */

.segmented {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.segmented button {
    flex: 1 1 auto;
    min-height: 42px;
    padding: 6px 10px;
    font-size: 0.92rem;
    font-weight: 500;
}

.segmented button[aria-pressed="true"] {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

:root[data-theme="dark"] .segmented button[aria-pressed="true"] {
    background: var(--accent);
    color: #1a1208;
    border-color: var(--accent);
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .segmented button[aria-pressed="true"] {
        background: var(--accent);
        color: #1a1208;
        border-color: var(--accent);
    }
}

/* ---------- Badges ---------- */

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 6px 0 10px;
}

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--panel-alt);
    border: 1px solid var(--line);
    color: var(--ink-soft);
}

.badge.primary {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent-strong);
}

.badge.repeated {
    background: var(--warn-soft);
    color: var(--warn);
}

.badge.conflict {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: rgba(168, 58, 47, 0.35);
}

.badge.verify-hit {
    background: var(--ok-soft);
    color: var(--ok);
}
.badge.verify-partial {
    background: var(--warn-soft);
    color: var(--warn);
}
.badge.verify-miss,
.badge.verify-contradiction {
    background: var(--danger-soft);
    color: var(--danger);
}

/* ---------- 三宮 ---------- */

.palace-chain {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    margin: 8px 0 14px;
}

.palace-card {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 6px 14px;
    align-items: center;
    background: var(--panel-alt);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 14px;
}

.palace-card .pos {
    grid-row: 1 / span 2;
    font-size: 0.82rem;
    color: var(--muted);
    text-align: center;
    line-height: 1.3;
}

.palace-card .name {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.palace-card .keyword {
    color: var(--muted);
    font-size: 0.9rem;
}

.palace-arrow {
    text-align: center;
    color: var(--accent);
    font-size: 1.1rem;
    line-height: 1;
}

.inline-chain {
    font-weight: 600;
    letter-spacing: 1px;
    white-space: nowrap;
}

.inline-chain .sep {
    color: var(--accent);
    margin: 0 4px;
}

.segments {
    display: grid;
    gap: 12px;
}

.segment {
    border-left: 3px solid var(--accent);
    padding-left: 12px;
}

.segment .seg-title {
    font-weight: 700;
    margin-bottom: 2px;
}

.reading-text p {
    margin: 0 0 10px;
}

.caveats {
    margin: 12px 0 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 0.88rem;
}

.numbers-display {
    font-size: 1.3rem;
    letter-spacing: 3px;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

.steps {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    color: var(--muted);
    font-size: 0.9rem;
}

/* ---------- Lists ---------- */

.record-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.record {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 14px;
}

.record .q {
    font-weight: 600;
    text-decoration: none;
    color: var(--ink);
    display: block;
    margin-bottom: 4px;
    word-break: break-word;
}

.record .meta {
    color: var(--muted);
    font-size: 0.85rem;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
}

.record .row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
}

.empty {
    text-align: center;
    color: var(--muted);
    padding: 30px 10px;
}

/* ---------- Stats ---------- */

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

@media (min-width: 560px) {
    .stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat {
    background: var(--panel-alt);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
}

.stat .v {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat .k {
    color: var(--muted);
    font-size: 0.85rem;
}

.stat.wide {
    grid-column: 1 / -1;
}

/* ---------- Suggestions ---------- */

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chips button {
    min-height: 40px;
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.95rem;
}

.avoid-list {
    margin: 8px 0 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 0.9rem;
}

/* ---------- Radio group ---------- */

.radio-group {
    display: grid;
    gap: 8px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel-alt);
    cursor: pointer;
    margin: 0;
}

.radio-group input {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-strong);
}

/* ---------- Tab bar ---------- */

.tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--panel);
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-around;
    z-index: 20;
}

.tabbar a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    text-decoration: none;
    color: var(--muted);
    font-size: 0.8rem;
    min-height: var(--tabbar-h);
}

.tabbar a .tab-icon {
    font-size: 1.15rem;
    line-height: 1;
}

.tabbar a[aria-current="page"] {
    color: var(--accent-strong);
    font-weight: 700;
}

/* ---------- Toast ---------- */

.toast {
    position: fixed;
    left: 50%;
    bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px) + 16px);
    transform: translate(-50%, 20px);
    background: var(--ink);
    color: var(--paper);
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 0.92rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 30;
    max-width: calc(100vw - 32px);
}

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

/* ---------- Misc ---------- */

.preview-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    margin: 8px 0;
}

.preview-table td {
    padding: 4px 0;
    border-bottom: 1px solid var(--line);
}

.preview-table td:last-child {
    text-align: right;
    font-weight: 600;
}

.invalid-list {
    margin: 8px 0 0;
    padding-left: 18px;
    font-size: 0.88rem;
    color: var(--danger);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}