/* ===================================================================
   Auth 授权中心 · 基础样式
   深色科技风 + 紫色主色（#7C5CFF），支持 light 主题切换
   =================================================================== */
:root {
    --bg: #0a0b10;
    --bg-soft: #0e1017;
    --surface: #12141d;
    --surface-2: #171a26;
    --border: #23273a;
    --border-soft: #1b1f2e;
    --text: #e9ebf3;
    --text-dim: #b6bccd;
    --muted: #868da4;
    --primary: #7c5cff;
    --primary-2: #5b3fe0;
    --primary-soft: rgba(124, 92, 255, .14);
    --ok: #2fbf87;
    --ok-soft: rgba(47, 191, 135, .12);
    --warn: #f2b23c;
    --warn-soft: rgba(242, 178, 60, .12);
    --danger: #f2565f;
    --danger-soft: rgba(242, 86, 95, .12);
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 24px 70px rgba(0, 0, 0, .45);
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

[data-theme="light"] {
    --bg: #f4f5fb;
    --bg-soft: #eceef7;
    --surface: #ffffff;
    --surface-2: #f7f8fc;
    --border: #e3e6f0;
    --border-soft: #eef0f7;
    --text: #171a25;
    --text-dim: #454b60;
    --muted: #767d93;
    --primary-soft: rgba(124, 92, 255, .10);
    --ok-soft: rgba(23, 155, 106, .10);
    --warn-soft: rgba(200, 140, 20, .12);
    --danger-soft: rgba(214, 45, 55, .10);
    --shadow: 0 18px 50px rgba(24, 28, 50, .10);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: -20% 0 auto 0;
    height: 520px;
    background:
        radial-gradient(60% 60% at 20% 0%, rgba(124, 92, 255, .28), transparent 70%),
        radial-gradient(50% 50% at 80% 0%, rgba(61, 218, 215, .16), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

[data-theme="light"] body::before { opacity: .45; }

a { color: var(--primary); text-decoration: none; }
a:hover { opacity: .85; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -.2px; }

code, .mono { font-family: var(--mono); font-size: 12.5px; }

/* ---------- 布局 ---------- */
.wrap { position: relative; z-index: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.topbar {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
}

.brand { display: flex; align-items: center; gap: 11px; color: var(--text); font-weight: 700; font-size: 15.5px; }
.brand-mark {
    width: 32px; height: 32px; border-radius: 9px;
    background: linear-gradient(135deg, var(--primary), #3ddad7);
    display: grid; place-items: center;
    color: #fff; font-size: 15px; font-weight: 800;
    box-shadow: 0 6px 18px rgba(124, 92, 255, .38);
}

.nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.nav a {
    color: var(--muted); font-size: 13.5px; padding: 7px 12px;
    border-radius: 9px; transition: .18s;
}
.nav a:hover, .nav a.active { color: var(--text); background: var(--surface-2); opacity: 1; }

.icon-btn {
    width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
    background: var(--surface-2); border: 1px solid var(--border); color: var(--text-dim);
    cursor: pointer; transition: .18s; font-size: 15px;
}
.icon-btn:hover { color: var(--text); border-color: var(--primary); }

/* ---------- 英雄区 ---------- */
.hero { padding: 44px 0 26px; text-align: center; }
.hero .eyebrow {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 5px 12px; border-radius: 999px;
    background: var(--primary-soft); color: #c3b4ff;
    font-size: 12px; letter-spacing: .3px; margin-bottom: 16px;
}
[data-theme="light"] .hero .eyebrow { color: var(--primary-2); }
.hero h1 { font-size: 34px; line-height: 1.25; }
.hero h1 span {
    background: linear-gradient(120deg, #a58bff, #7c5cff 45%, #3ddad7);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { color: var(--muted); margin: 12px auto 0; max-width: 560px; font-size: 13.5px; }

/* ---------- 卡片 ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px;
}
.card.tight { padding: 20px; }
.card-title { font-size: 15px; display: flex; align-items: center; gap: 9px; margin-bottom: 4px; }
.card-title .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 12px var(--primary); }
.card-desc { color: var(--muted); font-size: 12.5px; margin: 0 0 20px; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- 表单 ---------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12.5px; color: var(--text-dim); margin-bottom: 7px; font-weight: 600; }
.field .hint { color: var(--muted); font-size: 11.5px; margin-top: 6px; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="search"], select, textarea {
    width: 100%;
    padding: 11px 13px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 13.5px;
    font-family: inherit;
    transition: .18s;
    outline: none;
}
input::placeholder, textarea::placeholder { color: #5f667c; }
input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
    background: var(--surface);
}
textarea { min-height: 88px; resize: vertical; }
select { appearance: none; cursor: pointer; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px 20px; border-radius: var(--radius-sm);
    border: 1px solid transparent; cursor: pointer;
    font-size: 13.5px; font-weight: 600; font-family: inherit;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #fff; transition: .18s;
    box-shadow: 0 8px 22px rgba(124, 92, 255, .28);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(124, 92, 255, .36); }
.btn:active { transform: translateY(0); }
.btn.block { width: 100%; }
.btn.ghost {
    background: var(--surface-2); color: var(--text-dim);
    border-color: var(--border); box-shadow: none;
}
.btn.ghost:hover { color: var(--text); border-color: var(--primary); }
.btn.danger { background: var(--danger-soft); color: var(--danger); border-color: rgba(242, 86, 95, .35); box-shadow: none; }
.btn.sm { padding: 6px 11px; font-size: 12px; border-radius: 8px; }

/* ---------- 提示 ---------- */
.alert {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 12px 14px; border-radius: var(--radius-sm);
    font-size: 13px; margin-bottom: 18px; border: 1px solid transparent;
}
.alert-success { background: var(--ok-soft); color: #6ee7b7; border-color: rgba(47, 191, 135, .28); }
.alert-error { background: var(--danger-soft); color: #fca5a5; border-color: rgba(242, 86, 95, .28); }
.alert-warn { background: var(--warn-soft); color: #fcd34d; border-color: rgba(242, 178, 60, .28); }
.alert-info { background: var(--primary-soft); color: #c4b5fd; border-color: rgba(124, 92, 255, .3); }
[data-theme="light"] .alert-success { color: #0f7a55; }
[data-theme="light"] .alert-error { color: #b91c25; }
[data-theme="light"] .alert-warn { color: #92640a; }
[data-theme="light"] .alert-info { color: var(--primary-2); }

/* ---------- 步骤 ---------- */
.steps { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.step {
    flex: 1 1 150px; padding: 12px 14px; border-radius: var(--radius-sm);
    background: var(--surface-2); border: 1px solid var(--border-soft);
    font-size: 12px; color: var(--muted);
}
.step b { display: block; color: var(--text-dim); font-size: 12.5px; margin-bottom: 2px; }
.step.on { border-color: rgba(124, 92, 255, .5); background: var(--primary-soft); }
.step.on b { color: var(--text); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table.data { width: 100%; border-collapse: collapse; font-size: 12.5px; white-space: nowrap; }
table.data th {
    text-align: left; padding: 11px 14px; color: var(--muted);
    font-weight: 600; background: var(--surface-2); border-bottom: 1px solid var(--border);
    position: sticky; top: 0;
}
table.data td { padding: 11px 14px; border-bottom: 1px solid var(--border-soft); color: var(--text-dim); }
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: rgba(124, 92, 255, .05); }
table.data td.mono { color: var(--text); }

.badge {
    display: inline-block; padding: 2px 9px; border-radius: 999px;
    font-size: 11.5px; font-weight: 600; border: 1px solid transparent;
}
.badge-ok { background: var(--ok-soft); color: var(--ok); border-color: rgba(47, 191, 135, .3); }
.badge-warn { background: var(--warn-soft); color: var(--warn); border-color: rgba(242, 178, 60, .3); }
.badge-danger { background: var(--danger-soft); color: var(--danger); border-color: rgba(242, 86, 95, .3); }
.badge-muted { background: var(--surface-2); color: var(--muted); border-color: var(--border); }
.badge-primary { background: var(--primary-soft); color: #b9a6ff; border-color: rgba(124, 92, 255, .35); }
[data-theme="light"] .badge-primary { color: var(--primary-2); }

/* ---------- 其他 ---------- */
.kv { display: grid; grid-template-columns: 96px 1fr; gap: 8px 14px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; color: var(--text); word-break: break-all; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 16px; }
.flex { display: flex; } .between { justify-content: space-between; } .items-center { align-items: center; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .wrap { flex-wrap: wrap; }

.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 40px 0 34px; }

.codebox {
    font-family: var(--mono); font-size: 12px; line-height: 1.7;
    background: var(--bg-soft); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 14px; overflow-x: auto;
    color: var(--text-dim); white-space: pre;
}

.copy-row { display: flex; gap: 8px; align-items: center; }
.copy-row input { font-family: var(--mono); font-size: 12px; }

@media (max-width: 720px) {
    .hero h1 { font-size: 26px; }
    .card { padding: 20px; }
    .wrap { padding: 0 16px; }
}