/* ============ SSO Center 设计系统：亮/暗双主题、圆角、专业 ============ */
:root {
  --r-xs: 6px;
  --r-sm: 8px;
  --r: 12px;
  --r-lg: 16px;
  --r-xl: 22px;
  --primary: #4f46e5;
  --primary-strong: #4338ca;
  --primary-weak: #eef2ff;
  --focus: #6366f1;
  color-scheme: light;
}

html[data-theme='light'] {
  --bg: #f6f7fb;
  --bg-grid: #eef0f6;
  --surface: #ffffff;
  --surface-2: #f9fafc;
  --surface-3: #f1f3f9;
  --text: #16181d;
  --text-2: #454a55;
  --muted: #7a808d;
  --border: #e3e6ee;
  --border-2: #ebeeF5;
  --shadow: 0 1px 2px rgba(16, 18, 27, .05), 0 8px 28px -12px rgba(16, 18, 27, .14);
  --shadow-lg: 0 24px 60px -18px rgba(22, 24, 29, .28);
  --primary: #4f46e5;
  --primary-strong: #4338ca;
  --primary-weak: #eef2ff;
  --on-primary: #ffffff;
  --danger: #d92d20;
  --danger-weak: #fef3f2;
  --warn: #b54708;
  --warn-weak: #fffaeb;
  --ok: #067647;
  --ok-weak: #ecfdf3;
  --code-bg: #f2f4f8;
}

html[data-theme='dark'] {
  --bg: #0d0f14;
  --bg-grid: #13161d;
  --surface: #151924;
  --surface-2: #191e2b;
  --surface-3: #202739;
  --text: #e7eaf2;
  --text-2: #b8bfcc;
  --muted: #7e8798;
  --border: #262e3f;
  --border-2: #232a3a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 10px 30px -14px rgba(0, 0, 0, .65);
  --shadow-lg: 0 26px 64px -20px rgba(0, 0, 0, .8);
  --primary: #818cf8;
  --primary-strong: #a5b4fc;
  --primary-weak: #1e2440;
  --on-primary: #0d1020;
  --danger: #f97066;
  --danger-weak: #3a1d1b;
  --warn: #fdba74;
  --warn-weak: #33240e;
  --ok: #6ee7b7;
  --ok-weak: #12291f;
  --code-bg: #10141d;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 4px; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 22px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }
p { margin: 0 0 8px; }
code, .mono {
  font: 12.5px/1.5 ui-monospace, 'SF Mono', 'Cascadia Code', Consolas, monospace;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  padding: 1px 5px;
  word-break: break-all;
}
input, select, textarea, button { font: inherit; color: inherit; }
::selection { background: var(--primary); color: var(--on-primary); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---------------- 布局骨架 ---------------- */
#app { min-height: 100%; }
.boot { display: grid; place-items: center; min-height: 100vh; }
.spinner {
  width: 28px; height: 28px; border-radius: 50%;
  border: 3px solid var(--border); border-top-color: var(--primary);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.sidebar {
  border-right: 1px solid var(--border);
  background: var(--surface);
  display: flex; flex-direction: column;
  padding: 18px 14px;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; }
.brand img { width: 32px; height: 32px; border-radius: 9px; }
.brand b { font-size: 15.5px; letter-spacing: -.01em; }
.brand small { display: block; color: var(--muted); font-size: 11.5px; line-height: 1.2; }
.nav { display: flex; flex-direction: column; gap: 2px; overflow: auto; flex: 1; }
.nav-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; padding: 14px 10px 6px; }
.nav a {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: var(--r-sm);
  color: var(--text-2); text-decoration: none; font-size: 13.5px; font-weight: 500;
}
.nav a:hover { background: var(--surface-3); color: var(--text); }
.nav a.active { background: var(--primary-weak); color: var(--primary); font-weight: 600; }
.nav a svg { width: 16px; height: 16px; flex: none; }
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 24px; border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.topbar .crumbs { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; min-width: 0; }
.topbar .crumbs b { color: var(--text); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .spacer { flex: 1; }
.content { padding: 24px; max-width: 1180px; width: 100%; margin: 0 auto; flex: 1; }

/* ---------------- 组件 ---------------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow);
}
.card-pad { padding: 18px; }
.card-head { display: flex; align-items: center; gap: 10px; padding: 15px 18px; border-bottom: 1px solid var(--border-2); }
.card-head h3 { flex: 1; }
.card-head .sub { color: var(--muted); font-size: 12.5px; font-weight: 400; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 8px 14px; border-radius: var(--r-sm); border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer;
  font-size: 13.5px; font-weight: 550; transition: background .12s, border-color .12s, transform .06s;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-3); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn svg { width: 15px; height: 15px; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn.primary:hover { background: var(--primary-strong); }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }
.btn.danger:hover { background: var(--danger-weak); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--surface-3); }
.btn.sm { padding: 5px 10px; font-size: 12.5px; border-radius: var(--r-xs); }
.btn.lg { padding: 11px 18px; font-size: 15px; border-radius: var(--r); }
.btn.wide { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.field { margin: 0 0 14px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-2); margin-bottom: 5px; }
.input, select.input, textarea.input {
  width: 100%; padding: 9px 11px; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: var(--surface);
  transition: border-color .12s, box-shadow .12s;
}
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent); outline: none; }
.input.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 5px; }
.err-text { color: var(--danger); font-size: 12.5px; margin-top: 5px; }

.table-wrap { overflow-x: auto; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
table.grid th {
  text-align: left; font-weight: 600; color: var(--muted); font-size: 11.5px;
  text-transform: uppercase; letter-spacing: .05em;
  padding: 9px 14px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.grid td { padding: 10px 14px; border-bottom: 1px solid var(--border-2); vertical-align: middle; }
table.grid tr:last-child td { border-bottom: none; }
table.grid tr:hover td { background: var(--surface-2); }
.cell-title { font-weight: 600; }
.cell-sub { color: var(--muted); font-size: 12px; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600;
  border: 1px solid var(--border); background: var(--surface-3); color: var(--text-2);
}
.badge.ok { color: var(--ok); background: var(--ok-weak); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.badge.warn { color: var(--warn); background: var(--warn-weak); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.badge.danger { color: var(--danger); background: var(--danger-weak); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }
.badge.primary { color: var(--primary); background: var(--primary-weak); border-color: color-mix(in srgb, var(--primary) 30%, transparent); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }

.avatar {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  display: grid; place-items: center; font-weight: 700; font-size: 13px;
  background: var(--primary-weak); color: var(--primary); overflow: hidden;
}
.avatar.lg { width: 56px; height: 56px; border-radius: 14px; font-size: 19px; }

.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 99; display: flex; flex-direction: column; gap: 8px; }
.toast {
  min-width: 260px; max-width: 360px; padding: 11px 14px; border-radius: var(--r);
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-lg);
  display: flex; gap: 10px; align-items: flex-start; font-size: 13px;
  animation: toast-in .22s ease-out;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
.toast.ok { border-left: 3px solid var(--ok); }
.toast.err { border-left: 3px solid var(--danger); }
.toast b { display: block; font-size: 13px; }
.toast span { color: var(--text-2); font-size: 12.5px; }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(10, 12, 18, .5); z-index: 90;
  display: grid; place-items: center; padding: 20px; backdrop-filter: blur(3px);
  animation: fade .16s;
}
@keyframes fade { from { opacity: 0; } }
.modal {
  background: var(--surface); border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
  width: min(560px, 100%); max-height: 88vh; display: flex; flex-direction: column;
  border: 1px solid var(--border); animation: pop .18s ease-out;
}
.modal.wide { width: min(760px, 100%); }
@keyframes pop { from { opacity: 0; transform: scale(.97) translateY(6px); } }
.modal-head { display: flex; align-items: center; gap: 10px; padding: 16px 18px 0; }
.modal-head h3 { flex: 1; }
.modal-body { padding: 14px 18px; overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 0 18px 16px; }

.empty { padding: 44px 20px; text-align: center; color: var(--muted); }
.empty svg { width: 36px; height: 36px; opacity: .5; margin-bottom: 8px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.muted { color: var(--muted); }
.right { text-align: right; }

.stat {
  padding: 16px 18px; display: flex; flex-direction: column; gap: 4px;
}
.stat .k { color: var(--muted); font-size: 12.5px; font-weight: 500; }
.stat .v { font-size: 24px; font-weight: 700; letter-spacing: -.02em; }
.stat .d { font-size: 12px; color: var(--muted); }

.pager { display: flex; align-items: center; gap: 8px; justify-content: flex-end; padding: 12px 14px; border-top: 1px solid var(--border-2); font-size: 12.5px; color: var(--muted); }
.pager .spacer { flex: 1; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tabs a { padding: 9px 13px; border-radius: var(--r-sm) var(--r-sm) 0 0; color: var(--text-2); font-size: 13.5px; font-weight: 550; white-space: nowrap; }
.tabs a:hover { background: var(--surface-3); text-decoration: none; }
.tabs a.active { color: var(--primary); border-bottom: 2px solid var(--primary); font-weight: 650; }

.switch { position: relative; width: 44px; height: 24px; flex: none; }
.switch input { position: absolute; inset: 0; opacity: 0; cursor: pointer; margin: 0; }
.switch .track { position: absolute; inset: 0; border-radius: 999px; background: var(--surface-3); border: 1px solid var(--border); transition: background .15s; }
.switch .track::after {
  content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--muted); transition: transform .15s, background .15s;
}
.switch input:checked ~ .track { background: var(--primary); border-color: var(--primary); }
.switch input:checked ~ .track::after { transform: translateX(20px); background: var(--on-primary); }

.check-list { display: flex; flex-direction: column; gap: 6px; max-height: 280px; overflow: auto; padding: 4px; border: 1px solid var(--border); border-radius: var(--r-sm); }
.check-item { display: flex; align-items: center; gap: 9px; padding: 7px 9px; border-radius: var(--r-xs); }
.check-item:hover { background: var(--surface-3); }
.check-item input { accent-color: var(--primary); width: 15px; height: 15px; }
.check-item .key { font-size: 12.5px; font-family: ui-monospace, Consolas, monospace; }
.check-item .desc { color: var(--muted); font-size: 12px; }

.banner {
  display: flex; gap: 10px; padding: 11px 14px; border-radius: var(--r);
  font-size: 13px; align-items: flex-start; border: 1px solid var(--border);
}
.banner.warn { background: var(--warn-weak); border-color: color-mix(in srgb, var(--warn) 30%, var(--border)); color: var(--warn); }
.banner.danger { background: var(--danger-weak); border-color: color-mix(in srgb, var(--danger) 30%, var(--border)); color: var(--danger); }
.banner.ok { background: var(--ok-weak); border-color: color-mix(in srgb, var(--ok) 30%, var(--border)); color: var(--ok); }

/* 认证页（登录/注册/授权）背景 */
.auth-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background:
    radial-gradient(680px 380px at 12% 8%, color-mix(in srgb, var(--primary) 16%, transparent), transparent 62%),
    radial-gradient(560px 340px at 88% 92%, color-mix(in srgb, var(--primary) 10%, transparent), transparent 60%),
    var(--bg);
}
.auth-card { width: min(400px, 100%); padding: 26px; border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-lg); }
.auth-card.wide { width: min(520px, 100%); }
.auth-card .brand { justify-content: center; padding-bottom: 14px; }
.auth-head { text-align: center; margin-bottom: 18px; }
.auth-head h1 { font-size: 20px; }
.auth-head p { color: var(--muted); font-size: 13px; margin: 0; }
.auth-foot { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 16px; }

.theme-toggle {
  width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface); cursor: pointer; display: grid; place-items: center; color: var(--text-2);
}
.theme-toggle:hover { background: var(--surface-3); color: var(--text); }
.theme-toggle svg { width: 17px; height: 17px; }

.user-chip { display: flex; align-items: center; gap: 8px; padding: 4px 10px 4px 4px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); cursor: pointer; }
.user-chip:hover { background: var(--surface-3); }
.user-chip .nm { font-size: 13px; font-weight: 600; max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.menu-pop {
  position: absolute; right: 0; top: calc(100% + 8px); width: 220px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  box-shadow: var(--shadow-lg); padding: 6px; z-index: 60;
}
.menu-pop .mi { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: var(--r-xs); color: var(--text); font-size: 13px; cursor: pointer; }
.menu-pop .mi:hover { background: var(--surface-3); text-decoration: none; }
.menu-pop .sep { height: 1px; background: var(--border); margin: 5px 4px; }

.docs { max-width: 860px; }
.docs h1 { font-size: 24px; margin-bottom: 6px; }
.docs h2 { font-size: 18px; margin: 26px 0 8px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.docs h3 { font-size: 15px; margin: 18px 0 6px; }
.docs p, .docs li { font-size: 14px; }
.docs pre {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--r);
  padding: 13px 15px; overflow: auto; font-size: 12.5px; line-height: 1.55;
}
.docs pre code { background: none; border: none; padding: 0; }
.docs .tag { display: inline-block; padding: 1px 7px; border-radius: var(--r-xs); background: var(--surface-3); border: 1px solid var(--border); font-size: 11.5px; font-family: ui-monospace, monospace; margin: 0 2px; }

.kv { display: grid; grid-template-columns: 130px 1fr; gap: 7px 14px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }

textarea.input { resize: vertical; min-height: 86px; }
details.fold { border: 1px solid var(--border); border-radius: var(--r); padding: 10px 14px; background: var(--surface-2); }
details.fold summary { cursor: pointer; font-weight: 600; font-size: 13px; }
details.fold[open] summary { margin-bottom: 8px; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; align-items: center; overflow-x: auto; }
  .nav { flex-direction: row; }
  .nav-label { display: none; }
  .content { padding: 16px; }
  .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}