/* =============================================================================
 * HyperAI Relay 统一 CSS
 * 深色主题 + 橙色强调 + 响应式
 * =========================================================================== */

:root {
    /* 深色主题(默认)*/
    --bg: #0a0a0a;
    --bg-elev: #141414;
    --bg-elev-2: #1a1a1a;
    --border: #262626;
    --border-strong: #3a3a3a;
    --fg: #e5e5e5;
    --fg-muted: #a3a3a3;
    --fg-dim: #737373;
    --brand: #ff6b35;
    --brand-hover: #e55a28;
    --success: #22c55e;
    --danger: #ef4444;
    --warn: #eab308;
    --topnav-bg: rgba(10, 10, 10, 0.95);
    --hover-tint: rgba(255, 255, 255, 0.02);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    --radius: 6px;
    --radius-lg: 8px;
    --mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

/* 浅色主题 —— 通过 <html data-theme="light"> 激活 */
[data-theme="light"] {
    --bg: #ffffff;
    --bg-elev: #f7f7f8;
    --bg-elev-2: #ededef;
    --border: #e4e4e7;
    --border-strong: #d4d4d8;
    --fg: #18181b;
    --fg-muted: #52525b;
    --fg-dim: #71717a;
    --brand: #ea580c;           /* 橙色略深一点,白底对比度更好 */
    --brand-hover: #c2410c;
    --success: #16a34a;
    --danger: #dc2626;
    --warn: #ca8a04;
    --topnav-bg: rgba(255, 255, 255, 0.9);
    --hover-tint: rgba(0, 0, 0, 0.035);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

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

html, body {
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--brand);
    text-decoration: none;
}

a:hover { text-decoration: underline; }

/* ---------- top nav ---------- */
.topnav {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--topnav-bg);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

.topnav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--fg);
    letter-spacing: -0.01em;
}

.brand span {
    color: var(--brand);
    margin-left: 2px;
}

.nav-right {
    display: flex;
    gap: 20px;
    align-items: center;
    font-size: 0.9rem;
}

.nav-right a {
    color: var(--fg-muted);
    font-weight: 500;
}

.nav-right a:hover {
    color: var(--fg);
    text-decoration: none;
}

.nav-right .nav-highlight {
    color: var(--brand, #ff6b35);
    border: 1px solid var(--brand, #ff6b35);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 600;
    transition: background 0.15s, color 0.15s;
}

.nav-right .nav-highlight:hover {
    background: var(--brand, #ff6b35);
    color: #fff;
}

.nav-right .user-email {
    color: var(--fg-dim);
    font-size: 0.8rem;
}

.btn-link {
    background: none;
    border: 0;
    color: var(--fg-muted);
    cursor: pointer;
    font: inherit;
    padding: 0;
}

.btn-link:hover { color: var(--fg); }

.inline { display: inline; }

/* ---------- theme toggle ---------- */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--fg-muted);
    border-radius: var(--radius);
    padding: 6px 10px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    margin-right: 12px;
    width: 36px;
    height: 32px;
    box-sizing: border-box;
}

.theme-toggle:hover {
    border-color: var(--brand);
    color: var(--brand);
    background: var(--hover-tint);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block;
}

/* 默认(没设 data-theme 或 dark): 显示月亮,隐藏太阳 */
.theme-icon-light { display: none; }
.theme-icon-dark  { display: block; }

/* 亮色主题:显示太阳,隐藏月亮 */
[data-theme="light"] .theme-icon-light { display: block; }
[data-theme="light"] .theme-icon-dark  { display: none; }

/* ---------- main ---------- */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px 80px;
}

h1, h2, h3, h4 {
    color: var(--fg);
    font-weight: 600;
    letter-spacing: -0.01em;
}

h1 { font-size: 1.85rem; margin-bottom: 20px; }
h2 { font-size: 1.4rem; margin: 32px 0 16px; }
h3 { font-size: 1.1rem; margin: 24px 0 12px; }

p { margin-bottom: 12px; color: var(--fg); }

.muted { color: var(--fg-muted); }
.dim { color: var(--fg-dim); }
.small { font-size: 0.85rem; }
.mono { font-family: var(--mono); }
.right { text-align: right; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.hidden { display: none; }

/* ---------- card ---------- */
.card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}

.card h2:first-child,
.card h3:first-child {
    margin-top: 0;
}

.card-sub {
    color: var(--fg-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

/* ---------- buttons ---------- */
.btn {
    display: inline-block;
    background: var(--brand);
    color: #fff;              /* 强制白色,橙色背景上永远用白色 */
    padding: 10px 20px;
    border: 0;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
    font-family: inherit;
    transition: background 0.15s;
}

.btn:hover { background: var(--brand-hover); text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-sm { padding: 6px 14px; font-size: 0.82rem; }
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--fg);
}
.btn-secondary:hover { background: var(--bg-elev-2); border-color: var(--border-strong); }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #dc2626; }

.btn-ghost {
    background: transparent;
    color: var(--fg-muted);
    padding: 6px 12px;
}
.btn-ghost:hover { color: var(--fg); }

/* ---------- forms ---------- */
form label {
    display: block;
    color: var(--fg-muted);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 6px;
    margin-top: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

form label:first-child { margin-top: 0; }

form input[type="text"],
form input[type="email"],
form input[type="password"],
form input[type="number"],
form select,
form textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 11px 13px;
    color: var(--fg);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.15s;
}

form input:focus,
form select:focus,
form textarea:focus {
    outline: 0;
    border-color: var(--brand);
}

form textarea { min-height: 80px; resize: vertical; }

.form-error {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
    padding: 12px 14px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.form-success {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success);
    padding: 12px 14px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.form-info {
    background: rgba(255, 107, 53, 0.08);
    border: 1px solid rgba(255, 107, 53, 0.3);
    color: var(--brand);
    padding: 12px 14px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

/* ---------- tables ---------- */
.table-wrap {
    overflow-x: auto;
    margin: 0 -4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

th {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    color: var(--fg-muted);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    color: var(--fg);
}

tr:last-child td { border-bottom: 0; }
tr:hover td { background: var(--hover-tint); }

/* ---------- code / key ---------- */
.code,
code {
    font-family: var(--mono);
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--brand);
    font-size: 0.85em;
    border: 1px solid var(--border);
}

pre.code-block {
    font-family: var(--mono);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--fg);
    margin: 16px 0;
}

/* ---------- pills / badges ---------- */
.pill {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.4;
}

.pill-active, .pill-success { background: rgba(34, 197, 94, 0.12); color: var(--success); }
.pill-warn { background: rgba(234, 179, 8, 0.12); color: var(--warn); }
.pill-danger, .pill-revoked, .pill-suspended, .pill-disabled, .pill-exhausted {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
}
.pill-info, .pill-stream { background: rgba(59, 130, 246, 0.12); color: #60a5fa; }
.pill-muted { background: rgba(163, 163, 163, 0.12); color: var(--fg-muted); }

/* ---------- stat grid ---------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
}

.stat-label {
    color: var(--fg-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--fg);
    margin-top: 10px;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.stat-sub {
    color: var(--fg-dim);
    font-size: 0.75rem;
    margin-top: 4px;
}

/* ---------- flex helpers ---------- */
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-col { display: flex; flex-direction: column; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }

/* ---------- layouts ---------- */
.narrow {
    max-width: 560px;
    margin: 40px auto;
}

.two-col {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .two-col { grid-template-columns: 1fr; }
}

/* ---------- doc page(markdown 渲染)---------- */
.doc-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px;
}

.doc-content h1, .doc-content h2, .doc-content h3 { color: var(--fg); }
.doc-content p, .doc-content li { color: var(--fg); line-height: 1.75; }
.doc-content a { color: var(--brand); }
.doc-content ul, .doc-content ol { padding-left: 24px; margin-bottom: 16px; }
.doc-content li { margin-bottom: 6px; }
.doc-content code {
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--brand);
    font-size: 0.85em;
    border: 1px solid var(--border);
    font-family: var(--mono);
}
.doc-content pre {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    overflow-x: auto;
    margin: 16px 0;
}
.doc-content pre code { background: none; border: 0; padding: 0; color: var(--fg); }
.doc-content table { margin: 16px 0; }
.doc-content hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
.doc-content blockquote {
    border-left: 3px solid var(--brand);
    padding: 8px 16px;
    margin: 16px 0;
    color: var(--fg-muted);
    background: var(--bg-elev);
}

/* ---------- footer ---------- */
.footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--fg-dim);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 60px;
}

.footer a { color: var(--fg-dim); }
.footer a:hover { color: var(--brand); }

.footer-sub {
    margin-top: 8px;
    font-size: 0.78rem;
    color: var(--fg-dim);
    opacity: 0.7;
}

/* ---------- responsive ---------- */
@media (max-width: 640px) {
    html, body { font-size: 14px; }
    .main { padding: 20px 16px 60px; }
    .card { padding: 20px 16px; }
    h1 { font-size: 1.5rem; }
    .topnav-inner { padding: 10px 16px; gap: 10px; }
    .nav-right { gap: 12px; font-size: 0.82rem; }
    .nav-right .user-email { display: none; }
    .stat-value { font-size: 1.4rem; }
    th, td { padding: 10px 6px; }
}
