/* ===== Theme variables ===== */
:root {
  --bg: #f5f6f9;
  --bg-card: #ffffff;
  --bg-sidebar: #1d2433;
  --bg-sidebar-active: #2f3a5a;
  --bg-elev: #fafbfd;
  --bg-hover: #f1f4f9;
  --text: #1f2933;
  --text-soft: #5b6677;
  --text-muted: #8492a6;
  --text-on-sidebar: #d9dee8;
  --border: #e1e6ef;
  --primary: #1f6feb;
  --primary-hover: #3f88f3;
  --primary-soft: #e8f1ff;
  --success: #156c3f;
  --success-soft: #d4f5e0;
  --warning: #855c12;
  --warning-soft: #fdedc6;
  --danger: #88361e;
  --danger-soft: #f4d4d4;
  --code-bg: #f1f4f9;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 24px 48px rgba(0,0,0,0.18);
}
body[data-theme="dark"] {
  --bg: #0e1117;
  --bg-card: #161b22;
  --bg-sidebar: #0a0d12;
  --bg-sidebar-active: #1f2632;
  --bg-elev: #1c222b;
  --bg-hover: #20262f;
  --text: #e6edf3;
  --text-soft: #9ba9b8;
  --text-muted: #6d7785;
  --text-on-sidebar: #c9d1d9;
  --border: #2a313a;
  --primary: #4493f8;
  --primary-hover: #58a6ff;
  --primary-soft: rgba(56,139,253,0.15);
  --success: #3fb950;
  --success-soft: rgba(46,160,67,0.15);
  --warning: #d29922;
  --warning-soft: rgba(187,128,9,0.15);
  --danger: #f85149;
  --danger-soft: rgba(248,81,73,0.15);
  --code-bg: #1c222b;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 24px 48px rgba(0,0,0,0.6);
}

/* ===== Base ===== */
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
#app { min-height: 100vh; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--primary-hover); }

/* ===== Logged-in layout ===== */
.layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--bg-sidebar); color: var(--text-on-sidebar); padding: 16px 0; overflow-y: auto; max-height: 100vh; }
.sidebar-brand { padding: 4px 20px 18px; font-size: 18px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 8px; }
.sidebar-brand .logo { width: 28px; height: 28px; background: var(--primary); border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; }
.sidebar-nav { display: flex; flex-direction: column; }
.sidebar-nav .item { padding: 10px 20px; cursor: pointer; color: var(--text-on-sidebar); border-left: 3px solid transparent; display: flex; align-items: center; gap: 10px; font-size: 14px; text-decoration: none; }
.sidebar-nav .item:hover { background: var(--bg-sidebar-active); text-decoration: none; color: #fff; }
.sidebar-nav .item.active { background: var(--bg-sidebar-active); border-left-color: var(--primary); color: #fff; }
.sidebar-section { padding: 12px 20px 6px; color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
.main { padding: 20px 28px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; }
.topbar h1 { margin: 0; font-size: 22px; }
.topbar .right { display: flex; gap: 12px; align-items: center; }

/* ===== Card + grid + stat ===== */
.card { background: var(--bg-card); border-radius: 10px; padding: 18px 20px; box-shadow: var(--shadow-sm); margin-bottom: 16px; border: 1px solid var(--border); }
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }
.stat { background: var(--bg-card); border-radius: 10px; padding: 18px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.stat .lbl { font-size: 13px; color: var(--text-soft); }
.stat .num { font-size: 26px; font-weight: 700; color: var(--text); margin-top: 6px; }
.stat .sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; line-height: 16px; }
.badge.active, .badge.success { background: var(--success-soft); color: var(--success); }
.badge.disabled, .badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.pending, .badge.warning { background: var(--warning-soft); color: var(--warning); }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--code-bg); padding: 2px 6px; border-radius: 4px; font-size: 12px; color: var(--text); }

/* ===== Auth pages ===== */
.auth-page { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; background: linear-gradient(135deg, #1f6feb 0%, #6a3de8 100%); padding: 16px; }
body[data-theme="dark"] .auth-page { background: linear-gradient(135deg, #0d2c5e 0%, #2a1a5e 100%); }
.auth-card { background: var(--bg-card); border-radius: 12px; padding: 36px 36px 28px; min-width: 380px; max-width: 92vw; box-shadow: var(--shadow-lg); }
.auth-card h1 { margin: 0 0 18px; font-size: 22px; text-align: center; }
.auth-card .subtitle { text-align: center; color: var(--text-soft); font-size: 13px; margin-bottom: 18px; }
.auth-card .oauth-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 12px; }
.divider { display: flex; align-items: center; margin: 16px 0; color: var(--text-muted); font-size: 12px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.divider span { padding: 0 8px; }

/* ===== Public marketing layout ===== */
.public-page { min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.public-nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 32px; background: var(--bg-card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(10px); }
.public-nav .brand { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; color: var(--text); }
.public-nav .brand .logo { width: 32px; height: 32px; background: var(--primary); border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; }
.public-nav .menu { display: flex; gap: 22px; }
.public-nav .menu a { color: var(--text-soft); font-size: 14px; padding: 4px 0; }
.public-nav .menu a:hover, .public-nav .menu a.active { color: var(--text); text-decoration: none; }
.public-nav .right { display: flex; gap: 10px; align-items: center; }
.public-footer { background: var(--bg-card); border-top: 1px solid var(--border); padding: 24px 32px; color: var(--text-soft); font-size: 13px; text-align: center; }
.public-footer a { color: var(--text-soft); margin: 0 8px; }
.public-footer .icp { margin-top: 6px; font-size: 12px; color: var(--text-muted); }

.hero { padding: 80px 32px 60px; background: linear-gradient(135deg, #1f6feb 0%, #6a3de8 100%); color: #fff; text-align: center; }
body[data-theme="dark"] .hero { background: linear-gradient(135deg, #0d2c5e 0%, #2a1a5e 100%); }
.hero h1 { font-size: 48px; margin: 0 0 14px; font-weight: 800; }
.hero .tagline { font-size: 20px; opacity: 0.9; max-width: 700px; margin: 0 auto 28px; }
.hero .cta { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero .cta .btn { padding: 12px 28px; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; border: none; transition: transform 0.1s; }
.hero .cta .btn:hover { transform: translateY(-1px); }
.hero .cta .btn-primary { background: #fff; color: var(--primary); }
.hero .cta .btn-secondary { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); }

.section { padding: 60px 32px; max-width: 1200px; margin: 0 auto; }
.section h2 { font-size: 32px; margin: 0 0 12px; text-align: center; }
.section .sub { color: var(--text-soft); text-align: center; max-width: 720px; margin: 0 auto 40px; font-size: 16px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.feature { padding: 28px; background: var(--bg-card); border-radius: 12px; border: 1px solid var(--border); }
.feature .emoji { font-size: 32px; margin-bottom: 12px; }
.feature h3 { margin: 0 0 8px; font-size: 18px; }
.feature p { margin: 0; color: var(--text-soft); font-size: 14px; line-height: 1.6; }

.pricing-table { background: var(--bg-card); border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.pricing-table table { width: 100%; border-collapse: collapse; font-size: 14px; }
.pricing-table th { background: var(--bg-elev); padding: 12px 16px; text-align: left; color: var(--text-soft); font-weight: 600; border-bottom: 1px solid var(--border); }
.pricing-table td { padding: 10px 16px; border-bottom: 1px solid var(--border); }
.pricing-table tr:last-child td { border-bottom: none; }
.pricing-table tr:hover td { background: var(--bg-hover); }
.provider-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; background: var(--primary-soft); color: var(--primary); }

.legal-content { background: var(--bg-card); padding: 36px 40px; border-radius: 12px; border: 1px solid var(--border); max-width: 900px; margin: 0 auto; line-height: 1.7; }
.legal-content h2 { margin-top: 0; }
.legal-content h3 { margin-top: 24px; }
.legal-content pre { background: var(--code-bg); padding: 12px 16px; border-radius: 6px; overflow-x: auto; font-size: 13px; }
.legal-content code { background: var(--code-bg); padding: 2px 6px; border-radius: 4px; font-size: 13px; }

/* ===== Mobile responsive ===== */
@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { padding: 16px; }
  .hero { padding: 48px 20px 36px; }
  .hero h1 { font-size: 32px; }
  .hero .tagline { font-size: 16px; }
  .section { padding: 40px 16px; }
  .section h2 { font-size: 24px; }
  .public-nav { padding: 12px 16px; }
  .public-nav .menu { display: none; }
  .auth-card { padding: 24px 20px; min-width: unset; width: 100%; }
  .feature { padding: 20px; }
  .pricing-table { font-size: 12px; }
  .pricing-table th, .pricing-table td { padding: 8px 10px; }
}

/* ===== Naive UI overrides for dark mode ===== */
body[data-theme="dark"] .n-data-table-th, body[data-theme="dark"] .n-data-table-td { background: var(--bg-card) !important; color: var(--text) !important; }
body[data-theme="dark"] .n-input, body[data-theme="dark"] .n-base-selection { background: var(--bg-elev) !important; }
body[data-theme="dark"] .n-button.n-button--quaternary-type { color: var(--text-soft) !important; }

/* ===== Utility ===== */
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.spacer { flex: 1; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }