/* ==========================================================
   themes.css — v2 雙主題設計層(最後載入,優先權最高)
   淺色 = 「日光編輯室」:暖紙質、編輯感、襯線標題、水彩光暈
   深色 = 「夜間實驗室」:霓虹電路、玻璃擬態、冷光科技感
   ========================================================== */

:root {
    --font-display: "Noto Serif TC", "Songti TC", Georgia, "Times New Roman", serif;
    --font-body: Inter, "Noto Sans TC", ui-sans-serif, -apple-system, "Segoe UI", sans-serif;
    --radius-card: 22px;
    --radius-btn: 14px;
    --paper-edge: rgba(24, 34, 51, 0.08);

    --bg-body: #faf6f0;
    --bg-container: rgba(255, 253, 249, 0.92);
    --card-bg: rgba(255, 253, 249, 0.94);
    --soft-bg: rgba(247, 242, 234, 0.9);
    --header-bg: rgba(250, 246, 240, 0.86);
    --bg-nav: rgba(255, 253, 249, 0.9);
    --text-main: #20283a;
    --text-muted: #6b7385;
    --accent: #1f8f8a;
    --accent-2: #e9573f;
    --border: rgba(24, 34, 51, 0.12);
    --border-color: rgba(24, 34, 51, 0.12);
    --shadow-soft: 0 16px 44px rgba(122, 99, 66, 0.14);
    --shadow-card: 0 10px 26px rgba(122, 99, 66, 0.1);
    --chip-bg: rgba(233, 87, 63, 0.08);
    --nav-text: #20283a;
}

[data-theme="dark"] {
    --radius-card: 16px;
    --radius-btn: 10px;
    --font-display: var(--font-body);

    --bg-body: #070a12;
    --bg-container: rgba(15, 20, 32, 0.82);
    --card-bg: rgba(16, 22, 35, 0.84);
    --soft-bg: rgba(255, 255, 255, 0.05);
    --header-bg: rgba(10, 14, 24, 0.88);
    --bg-nav: rgba(8, 11, 19, 0.85);
    --text-main: #e8f0fb;
    --text-muted: #94a3bb;
    --accent: #24c6b8;
    --accent-2: #ff735f;
    --border: rgba(120, 180, 220, 0.14);
    --border-color: rgba(120, 180, 220, 0.14);
    --shadow-soft: 0 18px 60px rgba(0, 0, 0, 0.45);
    --shadow-card: 0 10px 36px rgba(0, 0, 0, 0.35);
    --chip-bg: rgba(36, 198, 184, 0.12);
    --nav-text: #e8f0fb;
}

body {
    font-family: var(--font-body);
    background: var(--bg-body);
}

/* 淺色:紙質紋理;深色:深空底 */
html:not([data-theme="dark"]) body {
    background:
        radial-gradient(1100px 500px at 85% -5%, rgba(233, 87, 63, 0.06), transparent 60%),
        radial-gradient(900px 520px at -10% 30%, rgba(31, 143, 138, 0.07), transparent 55%),
        var(--bg-body);
}

[data-theme="dark"] body {
    background:
        radial-gradient(1000px 600px at 80% -10%, rgba(124, 92, 255, 0.12), transparent 55%),
        radial-gradient(800px 500px at 5% 20%, rgba(36, 198, 184, 0.08), transparent 50%),
        var(--bg-body);
}

/* ---------- 互動背景 canvas ---------- */
.interactive-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
}

.global-dynamic-bg { z-index: -3; }

/* 移除舊版過重的層 */
.circuit-board-field,
.neural-fog-field,
.star-layer { display: none !important; }

/* ---------- 標題:淺色襯線 / 深色無襯線 ---------- */
.hero-title,
.section-title,
.view-section h1 {
    font-family: var(--font-display);
    letter-spacing: 0.01em;
}

[data-theme="dark"] .hero-title {
    background: linear-gradient(120deg, #e8f0fb 30%, #24c6b8 70%, #9b83ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

html:not([data-theme="dark"]) .hero-title { color: #1d2435; }

/* ---------- 導覽列 ---------- */
.navbar {
    background: var(--bg-nav);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: none;
}

.navbar .nav-logo,
.navbar .nav-btn { color: var(--nav-text); }

.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; }

.logo-mark {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    background: conic-gradient(from 40deg, var(--accent), var(--accent-2), var(--accent));
    box-shadow: 0 0 12px rgba(36, 198, 184, 0.4);
}

[data-theme="dark"] .navbar { border-bottom-color: rgba(36, 198, 184, 0.18); }

.nav-btn.theme-toggle {
    border: 1px dashed var(--border);
    border-radius: 999px;
}

/* ---------- 卡片通用 ---------- */
.bento-card,
.prebuilt-card,
.flow-card,
.dna-preview-card,
.device-card,
.path-card,
.ai-companion-card {
    border-radius: var(--radius-card);
    border: 1px solid var(--border);
    background: var(--card-bg);
    box-shadow: var(--shadow-card);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

[data-theme="dark"] .bento-card,
[data-theme="dark"] .prebuilt-card,
[data-theme="dark"] .device-card,
[data-theme="dark"] .path-card,
[data-theme="dark"] .ai-companion-card {
    backdrop-filter: blur(10px);
    border-color: rgba(120, 180, 220, 0.16);
}

[data-theme="dark"] .device-card:hover,
[data-theme="dark"] .path-card:hover,
[data-theme="dark"] .ai-companion-card:hover {
    border-color: rgba(36, 198, 184, 0.5);
    box-shadow: 0 0 0 1px rgba(36, 198, 184, 0.28), 0 16px 44px rgba(0, 0, 0, 0.5);
}

html:not([data-theme="dark"]) .device-card:hover,
html:not([data-theme="dark"]) .path-card:hover,
html:not([data-theme="dark"]) .ai-companion-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 48px rgba(122, 99, 66, 0.18);
}

/* ---------- Hero 三步驟 ---------- */
.hero-steps-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 28px;
}

.hero-step {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 18px;
    border-radius: var(--radius-card);
    border: 1px solid var(--border);
    background: var(--card-bg);
    box-shadow: var(--shadow-card);
}

.hero-step b {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 0.95rem;
}

[data-theme="dark"] .hero-step b {
    background: linear-gradient(135deg, #24c6b8, #9b83ff);
    box-shadow: 0 0 14px rgba(36, 198, 184, 0.5);
}

.hero-step span { font-weight: 700; }
.hero-step small { color: var(--text-muted); line-height: 1.5; }

/* ---------- 分流卡 path-card ---------- */
.path-grid,
.ai-companion-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 20px;
}

.path-card,
.ai-companion-card {
    text-align: left;
    padding: 26px 24px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font: inherit;
    color: var(--text-main);
}

.path-emoji,
.companion-icon { font-size: 2rem; line-height: 1; }

.path-card b,
.ai-companion-card b { font-size: 1.12rem; }

.path-card p,
.ai-companion-card p { color: var(--text-muted); line-height: 1.65; font-size: 0.92rem; flex: 1; }

.path-card i,
.ai-companion-card i {
    font-style: normal;
    font-weight: 700;
    color: var(--accent-2);
}

[data-theme="dark"] .path-card i,
[data-theme="dark"] .ai-companion-card i { color: var(--accent); }

/* ---------- AI modal:程度 / 裝置 / 助理選項 ---------- */
.level-options,
.device-type-options,
.assistant-options {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.level-options { grid-template-columns: repeat(2, 1fr); }
.device-type-options { grid-template-columns: repeat(2, 1fr); }
.assistant-options { grid-template-columns: repeat(2, 1fr); }

.level-option,
.device-type-option,
.assistant-option {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    text-align: center;
    padding: 18px 16px;
    border-radius: var(--radius-card);
    border: 1.5px solid var(--border);
    background: var(--soft-bg);
    color: var(--text-main);
    cursor: pointer;
    font: inherit;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.level-option span,
.device-type-option span,
.assistant-option span { font-size: 1.7rem; line-height: 1; }

.level-option b,
.device-type-option b,
.assistant-option b { font-size: 1.02rem; }

.level-option small,
.device-type-option small,
.assistant-option small {
    color: var(--text-muted);
    line-height: 1.55;
    font-size: 0.84rem;
}

.level-option:hover,
.device-type-option:hover,
.assistant-option:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.level-option.is-selected,
.device-type-option.is-selected,
.assistant-option.is-selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--chip-bg);
}

.device-type-unsure { grid-column: 1 / -1; }

/* ---------- 用途分組 ---------- */
.usage-groups { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }

.usage-group-label {
    display: block;
    font-weight: 800;
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.04em;
}

.usage-groups .ai-usage-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }

.usage-groups .btn-opt {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 12px 14px;
    border-radius: var(--radius-btn);
    text-align: left;
}

.usage-groups .btn-opt small {
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 400;
}

/* ---------- 螢幕需求列 ---------- */
.monitor-need-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: var(--radius-card);
    border: 1px dashed var(--border);
    background: var(--soft-bg);
}

.monitor-need-row > span { font-weight: 700; font-size: 0.92rem; }
.monitor-need-options { display: flex; gap: 8px; }
.monitor-need-btn { padding: 8px 14px; }

/* ---------- 整機頁 ---------- */
.devices-container { max-width: 1180px; }

.device-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 18px 0 14px;
}

.device-tab {
    padding: 10px 18px;
    border-radius: 999px;
    border: 1.5px solid var(--border);
    background: var(--soft-bg);
    color: var(--text-main);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.device-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

[data-theme="dark"] .device-tab.active {
    background: linear-gradient(135deg, #24c6b8, #19a6da);
    box-shadow: 0 0 18px rgba(36, 198, 184, 0.4);
}

.device-filters {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.device-usage-chips { display: flex; gap: 6px; flex-wrap: wrap; }

.device-usage-chip {
    padding: 7px 13px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    font: inherit;
    font-size: 0.84rem;
    cursor: pointer;
}

.device-usage-chip.active {
    background: var(--chip-bg);
    border-color: var(--accent-2);
    color: var(--text-main);
    font-weight: 700;
}

.device-price-filter {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    color: var(--text-muted);
}

.device-price-filter input {
    width: 120px;
    padding: 8px 10px;
    border-radius: var(--radius-btn);
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text-main);
}

.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 18px;
    padding-bottom: 60px;
}

.device-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
}

.device-card-head { display: flex; gap: 12px; align-items: flex-start; }
.device-card-head b { display: block; line-height: 1.45; font-size: 0.98rem; }
.device-card-head small { color: var(--text-muted); display: block; margin-top: 4px; }

.device-card-specs {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.84rem;
    color: var(--text-muted);
    border-top: 1px dashed var(--border);
    padding-top: 10px;
    line-height: 1.55;
}

.device-card-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.device-buy-row { display: flex; gap: 8px; flex-wrap: wrap; }

.device-buy-row .checkout-buy-link {
    padding: 8px 14px;
    border-radius: var(--radius-btn);
    font-size: 0.84rem;
}

/* ---------- 顯示器尺寸視覺 ---------- */
.monitor-size-guide {
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent-2);
    border-radius: var(--radius-card);
    background: var(--soft-bg);
    padding: 16px 18px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-muted);
}

.monitor-size-guide b { color: var(--text-main); display: block; margin-bottom: 4px; }

.monitor-dim-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 0 4px;
}

.monitor-dim-screen {
    --scale: 0.28;
    width: calc(var(--mw) * var(--scale) * 1px);
    height: calc(var(--mh) * var(--scale) * 0.72px);
    max-width: 100%;
    border: 2px solid var(--accent);
    border-radius: 6px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--chip-bg), transparent);
    position: relative;
}

.monitor-dim-screen::after {
    content: "";
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 34%;
    height: 4px;
    border-radius: 4px;
    background: var(--border);
}

.monitor-dim-size { font-weight: 800; color: var(--accent); font-size: 1.05rem; }

.monitor-dim-width {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 10px;
    letter-spacing: 0.06em;
}

.monitor-dims span b { color: var(--text-main); }

/* ---------- 工作台補充 ---------- */
.cat-hint {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-top: 2px;
}

[data-experience-mode] .table-row.optional-row { background: var(--soft-bg); }

.catalog-spec-line {
    display: block;
    color: var(--text-muted);
    font-size: 0.78rem;
    margin-top: 2px;
}

/* ---------- AI 結果:整機卡與 OpenClaw ---------- */
.assistant-profile-note {
    grid-column: 1 / -1;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-card);
    background: var(--soft-bg);
    padding: 14px 18px;
    line-height: 1.65;
    font-size: 0.9rem;
}

.assistant-profile-note p { color: var(--text-muted); margin-top: 6px; }

.openclaw-sidecar { border-style: dashed; }

.openclaw-pick {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 12px;
    margin-top: 8px;
    border-radius: var(--radius-btn);
    background: var(--soft-bg);
    font-size: 0.88rem;
}

.openclaw-pick span { color: var(--text-muted); font-size: 0.8rem; }
.openclaw-pick a { color: var(--accent-2); font-weight: 700; text-decoration: none; }

.device-option-card .device-buy-row { margin-top: 10px; }

/* ---------- 響應式 ---------- */
@media (max-width: 900px) {
    .hero-steps-strip,
    .path-grid,
    .ai-companion-grid,
    .level-options { grid-template-columns: 1fr; }

    .device-type-options,
    .assistant-options { grid-template-columns: 1fr; }

    .device-filters { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
    .bento-card, .device-card, .path-card, .ai-companion-card,
    .level-option, .device-type-option, .assistant-option { transition: none; }
}