/* aiabc.jp - shared subpage styles, mirrors index.html design tokens
   Light mode (default, 命理优化版: 金水青木) + Dark mode toggle */

:root {
    /* 基底 — 金（白银），最旺财 */
    --bg-0: #fcfcfd;
    --bg-1: #f5f7fa;
    --bg-2: #eef1f6;
    --surface: #ffffff;
    --surface-strong: #ffffff;
    --surface-soft: rgba(255,255,255,0.7);
    --border: #e5e9f0;
    --border-strong: #cbd2dc;
    --border-glow: rgba(0,163,158,0.35);

    /* 文字 — 水（深蓝藏青），喜神通关 */
    --text: #0c1830;
    --text-dim: #4a5568;
    --text-soft: #4a5568;
    --text-muted: #6b7280;  /* WCAG AA on white: 4.72 */

    /* 品牌 / Accent — 甲木青色（主用神） */
    --accent: #00a39e;          /* 翠玉青：用于 gradient + 大字 */
    --accent-text: #0f766e;     /* WCAG AA 文字版本（5.34:1 on white）*/
    --accent-2: #2563eb;        /* 深蓝：body 链接/强调（5.04:1）*/
    --accent-3: #5eead4;
    --badge-bg: #0f766e;        /* 急聘 badge 深青底（white text 5.47:1）*/

    /* Gradient — 木 → 水 → 金 */
    --gradient: linear-gradient(135deg, #00a39e 0%, #2563eb 50%, #6b7c8c 100%);
    --gradient-soft: linear-gradient(135deg, rgba(0,163,158,0.10), rgba(37,99,235,0.10), rgba(107,124,140,0.06));

    /* 强调（极小面积，沉酒红，避亮红） */
    --danger: #b91c1c;
    --danger-soft: rgba(185,28,28,0.10);

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(12,24,48,0.04);
    --shadow-md: 0 4px 16px rgba(12,24,48,0.06);
    --shadow-lg: 0 12px 40px rgba(12,24,48,0.08);

    --radius: 16px;
    --radius-lg: 24px;
}

/* ===== Dark Mode (toggle 启用时) ===== */
[data-theme="dark"] {
    --bg-0: #07091a;
    --bg-1: #0a0e1f;
    --bg-2: #111530;
    --surface: rgba(20,25,50,0.55);
    --surface-strong: rgba(20,25,50,0.85);
    --surface-soft: rgba(20,25,50,0.35);
    --border: rgba(120,140,220,0.18);
    --border-strong: rgba(255,255,255,0.18);
    --border-glow: rgba(120,200,255,0.45);
    --text: #e6ecff;
    --text-dim: #b8c4e0;
    --text-soft: #b3bccc;
    --text-muted: #9aa6c8;
    --accent: #7aa2ff;
    --accent-text: #7aa2ff;
    --accent-2: #b59bff;
    --accent-3: #4ee6c4;
    --badge-bg: #b59bff;
    --gradient: linear-gradient(135deg, #7aa2ff 0%, #b59bff 50%, #4ee6c4 100%);
    --gradient-soft: linear-gradient(135deg, rgba(122,162,255,0.15), rgba(181,155,255,0.15), rgba(78,230,196,0.12));
    --danger: #ef4444;
    --danger-soft: rgba(239,68,68,0.10);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: var(--bg-0);
    color: var(--text);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* ===== Backgrounds (light: soft cool mesh; dark: glowing orbs) ===== */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: -3;
    background:
        radial-gradient(ellipse at 18% 12%, rgba(0,163,158,0.06), transparent 55%),
        radial-gradient(ellipse at 82% 78%, rgba(37,99,235,0.06), transparent 60%),
        var(--bg-0);
}
[data-theme="dark"] .bg-grid {
    background:
        radial-gradient(ellipse at 20% 10%, rgba(122,162,255,0.25), transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(181,155,255,0.22), transparent 55%),
        radial-gradient(ellipse at 50% 100%, rgba(78,230,196,0.15), transparent 60%),
        var(--bg-0);
}
.bg-mesh {
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image:
        linear-gradient(rgba(12,24,48,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(12,24,48,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
[data-theme="dark"] .bg-mesh {
    background-image:
        linear-gradient(rgba(122,162,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(122,162,255,0.06) 1px, transparent 1px);
}

/* ===== Nav ===== */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    background: rgba(255,255,255,0.75);
    border-bottom: 1px solid var(--border);
}
[data-theme="dark"] .nav {
    background: rgba(10,14,31,0.6);
}
.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-decoration: none;
}
.logo-mark {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--gradient);
    display: grid; place-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: #ffffff;
    box-shadow: 0 0 24px rgba(0,163,158,0.25);
}
[data-theme="dark"] .logo-mark {
    color: #07091a;
    box-shadow: 0 0 24px rgba(122,162,255,0.4);
}
.logo-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.nav-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}
.nav-back:hover {
    background: rgba(0,163,158,0.06);
    border-color: var(--accent);
    color: var(--accent-text);
}
[data-theme="dark"] .nav-back:hover {
    background: rgba(122,162,255,0.08);
    border-color: var(--border-glow);
    color: var(--accent);
}

/* Theme toggle button */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    font-family: inherit;
    font-size: 16px;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-left: 8px;
    line-height: 1;
}
.theme-toggle:hover {
    background: rgba(0,163,158,0.08);
    border-color: var(--accent);
}
[data-theme="dark"] .theme-toggle:hover {
    background: rgba(122,162,255,0.1);
    border-color: var(--border-glow);
}

/* ===== Layout ===== */
.container {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 24px;
}

.subpage-hero {
    padding: 100px 24px 60px;
    text-align: center;
}
.subpage-eyebrow {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent-text);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 14px;
    font-weight: 600;
}
.subpage-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 0 0 20px;
}
.subpage-title .gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.subpage-lead {
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    color: var(--text-dim);
    max-width: 720px;
    margin: 0 auto;
}

.content-section {
    padding: 40px 24px 80px;
    max-width: 880px;
    margin: 0 auto;
}

.content-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}
[data-theme="dark"] .content-card {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: none;
}
.content-card h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
    color: var(--text);
}
.content-card h2:not(:first-child) {
    margin-top: 36px;
}
.content-card p {
    color: var(--text-dim);
    margin: 0 0 16px;
    font-size: 1rem;
    line-height: 1.7;
}
.content-card ul {
    color: var(--text-dim);
    padding-left: 20px;
    line-height: 1.7;
}
.content-card ul li {
    margin-bottom: 8px;
}
.content-card strong { color: var(--text); }

/* Feature pills */
.pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px auto 30px;
    max-width: 880px;
    padding: 0 24px;
    justify-content: center;
}
.pill {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 5px 12px;
    border-radius: 100px;
    background: var(--gradient-soft);
    border: 1px solid var(--border);
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
[data-theme="dark"] .pill {
    border-color: var(--border-glow);
}

.cta-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 40px;
    justify-content: center;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 24px;
    border-radius: 12px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s ease;
    border: none;
}
.btn-primary {
    background: var(--gradient);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(0,163,158,0.25);
}
[data-theme="dark"] .btn-primary {
    color: #07091a;
    box-shadow: 0 10px 40px rgba(122,162,255,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 40px rgba(0,163,158,0.35); }
[data-theme="dark"] .btn-primary:hover { box-shadow: 0 15px 50px rgba(122,162,255,0.5); }
.btn-ghost {
    background: rgba(0,163,158,0.06);
    color: var(--text);
    border: 1px solid var(--border);
}
[data-theme="dark"] .btn-ghost {
    background: rgba(122,162,255,0.08);
    border: 1px solid var(--border-glow);
}
.btn-ghost:hover { background: rgba(0,163,158,0.12); border-color: var(--accent); }
[data-theme="dark"] .btn-ghost:hover { background: rgba(122,162,255,0.15); border-color: var(--border-glow); }

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 32px 24px;
    text-align: center;
    color: var(--text-dim);
    font-size: 13px;
    background: var(--bg-1);
}
[data-theme="dark"] footer {
    background: rgba(7,9,26,0.6);
    backdrop-filter: blur(12px);
}
footer .gradient-line {
    height: 1px;
    max-width: 200px;
    margin: 0 auto 20px;
    background: var(--gradient);
    opacity: 0.6;
}

@media (max-width: 640px) {
    .subpage-hero { padding: 60px 16px 40px; }
    .content-section { padding: 30px 16px 60px; }
    .content-card { padding: 28px 22px; }
    .nav-inner { padding: 14px 16px; }
}

/* ───── New brand logo (img-based, replaces CSS logo-mark/text) ───── */
.logo.logo-img {
    display: inline-flex;
    align-items: center;
    height: 56px;
    text-decoration: none;
}
.logo.logo-img img { display: block; height: 56px; width: auto; max-width: none; }
.logo.logo-img .logo-img-dark { display: none; }
:root[data-theme="dark"] .logo.logo-img .logo-img-light,
[data-theme="dark"] .logo.logo-img .logo-img-light { display: none; }
:root[data-theme="dark"] .logo.logo-img .logo-img-dark,
[data-theme="dark"] .logo.logo-img .logo-img-dark { display: block; }

/* Dark mode nav background (so transparent dark logo doesn't sit on a white bar) */
:root[data-theme="dark"] .nav,
[data-theme="dark"] .nav { background: rgba(7,9,26,0.78); border-bottom-color: rgba(255,255,255,0.08); }