/* ============================================================
   CAPTCHA·LOC — 工程蓝图 / 测绘定位风格
   纸面底色 · 海军蓝主线 · 工程橙强调 · 坐标网格
   ============================================================ */
:root {
  --paper:      oklch(0.955 0.012 85);
  --paper-deep: oklch(0.925 0.014 85);
  --surface:    oklch(0.985 0.008 85);
  --ink:        oklch(0.27 0.032 262);
  --ink-soft:   oklch(0.47 0.024 262);
  --ink-faint:  oklch(0.62 0.018 262);
  --line:       oklch(0.86 0.018 85);
  --line-strong:oklch(0.74 0.024 262);
  --accent:     oklch(0.62 0.17 42);
  --accent-ink: oklch(0.97 0.01 42);
  --accent-soft:oklch(0.9 0.06 42 / 0.35);
  --navy:       oklch(0.34 0.04 262);
  --ok:         oklch(0.55 0.12 155);
  --err:        oklch(0.58 0.18 28);
  --radius:     8px;
  --shadow-1:   0 1px 2px oklch(0.3 0.03 262 / 0.08), 0 6px 18px oklch(0.3 0.03 262 / 0.06);
  --shadow-2:   0 2px 6px oklch(0.3 0.03 262 / 0.1), 0 14px 34px oklch(0.3 0.03 262 / 0.1);
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --sans: "Segoe UI Variable", "Segoe UI", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent-soft); }

/* 通用组件 ------------------------------------------------ */
h1, h2, h3 { line-height: 1.2; margin: 0; font-weight: 800; letter-spacing: -0.01em; }

.btn {
  font: 600 14px/1 var(--sans);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 12px 20px;
  cursor: pointer;
  transition: transform .12s ease-out, box-shadow .12s ease-out, background .12s ease-out, opacity .12s ease-out;
  min-height: 44px;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 2px 0 oklch(0.5 0.15 42), 0 6px 14px oklch(0.62 0.17 42 / 0.3);
}
.btn-primary:hover:not(:disabled) { background: oklch(0.58 0.17 42); box-shadow: 0 2px 0 oklch(0.5 0.15 42), 0 10px 22px oklch(0.62 0.17 42 / 0.35); }
.btn-primary:active:not(:disabled) { transform: translateY(1px); }

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: var(--line-strong);
}
.btn-ghost:hover:not(:disabled) { color: var(--ink); border-color: var(--ink-faint); background: var(--surface); }
.btn-ghost:active:not(:disabled) { transform: translateY(1px); }

.btn-block { width: 100%; }

.text-input {
  font: 500 14px/1.4 var(--sans);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 12px 14px;
  min-height: 44px;
  width: 100%;
  transition: border-color .12s ease-out, box-shadow .12s ease-out;
}
.text-input::placeholder { color: var(--ink-faint); }
.text-input:focus-visible, .field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 13px; font-weight: 700; color: var(--ink-soft); letter-spacing: .02em; }
.field input, .field select, .field textarea {
  font: 500 14px/1.5 var(--sans);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 12px 14px;
  min-height: 44px;
  transition: border-color .12s ease-out, box-shadow .12s ease-out;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 84px; }
.field select { cursor: pointer; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }

.hint { font-style: normal; font-weight: 400; color: var(--ink-faint); }

.form-msg { min-height: 22px; margin: 4px 0 0; font-size: 13px; color: var(--err); }
.form-msg.inline { display: inline; margin-left: 14px; min-height: 0; }
.form-msg.is-ok { color: var(--ok); }

code {
  font-family: var(--mono);
  font-size: .86em;
  background: var(--paper-deep);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--navy);
}

/* 品牌标识 ------------------------------------------------ */
.brand-mark { color: var(--accent); width: 96px; height: 96px; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-mark-sm { width: 34px; height: 34px; color: var(--accent); }

/* ============================================================
   认证视图
   ============================================================ */
.auth-view {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(360px, 1fr);
  gap: clamp(24px, 6vw, 96px);
  align-items: center;
  padding: clamp(32px, 6vw, 88px);
  max-width: 1180px;
  margin: 0 auto;
}

.auth-brand { position: relative; }
.brand-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--accent);
}
.auth-brand h1 {
  font-size: clamp(34px, 4.6vw, 56px);
  color: var(--navy);
}
.brand-desc {
  margin: 18px 0 26px;
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 15px;
}
.brand-meta { display: grid; gap: 10px; margin: 0; }
.brand-meta div { display: flex; gap: 12px; align-items: baseline; border-top: 1px solid var(--line); padding-top: 10px; }
.brand-meta dt { font-size: 12px; font-weight: 800; color: var(--accent); letter-spacing: .06em; white-space: nowrap; }
.brand-meta dd { margin: 0; font-size: 13.5px; color: var(--ink-soft); font-family: var(--mono); }

.auth-panel {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-2);
  padding: clamp(24px, 4vw, 40px);
  border-top: 4px solid var(--accent);
}
.auth-tabs { display: flex; gap: 8px; margin-bottom: 26px; }
.auth-tab {
  flex: 1;
  font: 800 15px/1 var(--sans);
  padding: 13px 0;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink-faint);
  cursor: pointer;
  transition: all .14s ease-out;
}
.auth-tab:hover { color: var(--ink-soft); background: var(--paper); }
.auth-tab.is-active { background: var(--navy); color: #f4f1ea; box-shadow: var(--shadow-1); }

.auth-form { display: flex; flex-direction: column; gap: 18px; }

/* ============================================================
   控制台视图
   ============================================================ */
.app-view { display: flex; flex-direction: column; min-height: 100vh; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(20px, 4vw, 48px);
  background: oklch(0.30 0.03 262 / 0.96);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-1);
}
.topbar-brand { display: flex; align-items: center; gap: 12px; color: #f4f1ea; }
.topbar-brand strong { font-size: 16px; letter-spacing: .04em; display: block; line-height: 1.2; }
.topbar-sub { font-size: 11.5px; color: oklch(0.8 0.02 85); letter-spacing: .08em; }
.topbar-user { display: flex; align-items: center; gap: 14px; }
.user-chip {
  font: 700 13px/1 var(--mono);
  color: var(--paper);
  background: oklch(0.42 0.05 262);
  border: 1px solid oklch(0.5 0.05 262);
  padding: 9px 14px;
  border-radius: 999px;
}
.topbar .btn-ghost { color: oklch(0.82 0.02 85); border-color: oklch(0.5 0.04 262); }
.topbar .btn-ghost:hover:not(:disabled) { color: #fff; border-color: oklch(0.65 0.05 262); background: oklch(0.4 0.04 262); }

.console {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 48px) clamp(20px, 4vw, 48px) 64px;
}

.console-nav {
  position: sticky; top: 68px; z-index: 9;
  display: flex; gap: 4px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: 6px;
  margin-bottom: 34px;
  overflow-x: auto;
}
.console-nav a {
  font: 700 13.5px/1 var(--sans);
  color: var(--ink-soft);
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 6px;
  white-space: nowrap;
  transition: all .13s ease-out;
}
.console-nav a:hover { color: var(--ink); background: var(--paper); }
.console-nav a.is-active { background: var(--navy); color: #f4f1ea; }

.block {
  scroll-margin-top: 140px;
  margin-bottom: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3.4vw, 32px);
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-1);
  border-left: 4px solid var(--accent);
}
.block-head { margin-bottom: 22px; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.block-head h2 { font-size: 20px; color: var(--navy); }
.block-head p { margin: 6px 0 0; color: var(--ink-soft); font-size: 13.5px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; grid-column: 1 / -1; margin-top: 6px; }

/* API Key */
.key-create { display: flex; gap: 12px; margin-bottom: 18px; }
.key-create .text-input { max-width: 380px; }

.key-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.key-item {
  display: flex; align-items: center; gap: 16px;
  background: var(--paper);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.key-value {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--navy);
  background: var(--surface);
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  padding: 8px 12px;
  flex: 1;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  user-select: all;
}
.key-remark { font-size: 13px; color: var(--ink-soft); white-space: nowrap; }
.key-item .btn { flex-shrink: 0; padding: 9px 14px; min-height: 38px; font-size: 13px; }
.key-empty { color: var(--ink-faint); font-size: 14px; padding: 8px 2px; }

/* 在线测试 */
.test-grid { display: grid; grid-template-columns: minmax(280px, 1fr) minmax(280px, 1.2fr); gap: 24px; }
.test-form { display: flex; flex-direction: column; gap: 16px; }
.test-form input[type="file"] { cursor: pointer; }

.video-wrap {
  background: var(--paper);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
}
.video-wrap video {
  display: block;
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  background: #000;
}
.video-hint { color: var(--ink-faint); font-size: 13px; margin: 0; padding: 10px 12px; line-height: 1.6; }

.test-result {
  background: var(--paper);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 18px;
  min-height: 180px;
  overflow: auto;
}
.result-placeholder { color: var(--ink-faint); font-size: 14px; margin: 0; text-align: center; padding-top: 60px; }
.result-json {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  color: var(--ink);
}
.result-json .j-key { color: var(--navy); font-weight: 700; }
.result-json .j-str { color: var(--ok); }
.result-json .j-num { color: var(--accent); }
.result-raw { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
.result-raw summary { cursor: pointer; font-size: 12.5px; color: var(--ink-faint); font-weight: 700; }
.result-raw pre { font-family: var(--mono); font-size: 12px; white-space: pre-wrap; word-break: break-word; color: var(--ink-soft); }

/* 任务列表 */
.task-list { display: grid; gap: 10px; }
.task-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  background: var(--paper);
  border-radius: var(--radius);
  padding: 13px 16px;
}
.task-id { font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft); }
.task-type { font: 700 12px/1 var(--mono); color: var(--accent); background: var(--accent-soft); padding: 6px 9px; border-radius: 6px; }
.task-status { font-size: 12.5px; font-weight: 700; }
.task-status.done { color: var(--ok); }
.task-status.failed { color: var(--err); }
.task-status.pending, .task-status.processing { color: var(--accent); }
.task-empty { color: var(--ink-faint); font-size: 14px; }

/* 页脚 */
.foot {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 26px;
  color: var(--ink-faint);
  font-size: 12.5px;
  letter-spacing: .06em;
}
.foot-dot { opacity: .6; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 900px) {
  .auth-view { grid-template-columns: 1fr; padding: 28px 20px; gap: 40px; }
  .form-grid { grid-template-columns: 1fr; }
  .test-grid { grid-template-columns: 1fr; }
  .key-create { flex-direction: column; align-items: stretch; }
  .key-create .text-input { max-width: none; }
  .key-item { flex-wrap: wrap; }
  .topbar-user .user-chip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* 焦点可见性（键盘导航） */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* hidden 属性兜底：保证 [hidden] 元素无论作者样式如何都被隐藏 */
[hidden] { display: none !important; }