/* ============================================================
   无人机训练考试平台 · 设计系统
   全部视觉 token 提取自 Claude Design 原型（考试系统 V3.0）
   ============================================================ */

/* 本地字体（局域网部署，不引用任何外部资源；中文回退微软雅黑）
   两款均为可变字体：单个 woff2 文件已覆盖全部字重区间，
   浏览器按 font-weight 从字重轴取真实字形（非合成粗体），无需按字重拆分文件。 */
@font-face { font-family: 'Sora';           font-weight: 100 800; font-display: swap; src: url('/fonts/Sora.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-weight: 100 800; font-display: swap; src: url('/fonts/JetBrainsMono.woff2') format('woff2'); }

:root {
  --bg: #030916;
  --panel: rgba(8, 22, 52, 0.58);
  --panel-border: rgba(140, 200, 255, 0.2);
  --line: rgba(120, 170, 255, 0.18);
  --text: #eaf2ff;
  --muted: #7f9ac4;
  --muted2: #9fbde8;
  --soft: #a9c6f2;
  --link: #8fc2ff;
  --accent: #2f8bff;
  --accent-deep: #1361f0;
  --ok: #5fe3b6;
  --bad: #fca5a5;
  --warn: #fbbf24;
  --sans: 'Microsoft YaHei', '微软雅黑', 'PingFang SC', sans-serif;
  --head: 'Sora', 'Microsoft YaHei', '微软雅黑', sans-serif;
  --mono: 'JetBrains Mono', Consolas, monospace;
}

html, body { margin: 0; padding: 0; background: var(--bg); }
* { box-sizing: border-box; }
body { font-family: var(--sans); color: var(--text); }
a { color: var(--link); text-decoration: none; }
a:hover { color: #ffffff; }
input, select, textarea, button { outline: none; font-family: var(--sans); }
input::placeholder, textarea::placeholder { color: #6f8ab5; }
select option { background: #071634; color: var(--text); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: rgba(8, 20, 44, 0.4); }
::-webkit-scrollbar-thumb { background: rgba(120, 170, 255, 0.22); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(120, 170, 255, 0.38); }

@keyframes lgFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes v3Fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes droneFloat {
  0%   { transform: translate3d(0, 0, 0) rotate(0deg); }
  30%  { transform: translate3d(10px, -16px, 0) rotate(-0.7deg); }
  60%  { transform: translate3d(-8px, -6px, 0) rotate(0.5deg); }
  100% { transform: translate3d(0, 0, 0) rotate(0deg); }
}
@keyframes bgDrift { 0% { transform: scale(1.04) translate3d(0,0,0); } 50% { transform: scale(1.075) translate3d(-14px,-10px,0); } 100% { transform: scale(1.04) translate3d(0,0,0); } }
@keyframes scanLine { 0% { transform: translateY(-8vh); opacity: 0; } 12% { opacity: .55; } 88% { opacity: .55; } 100% { transform: translateY(108vh); opacity: 0; } }
@keyframes barSweep { 0% { transform: translateX(-30%); } 100% { transform: translateX(130%); } }
@keyframes gridDrift { from { background-position: 0 0; } to { background-position: 60px 60px; } }
@keyframes ringPing { 0% { transform: scale(.4); opacity: .7; } 100% { transform: scale(1.9); opacity: 0; } }
@keyframes ledBlink { 0%, 62% { opacity: 0; transform: scale(.6); } 72%, 88% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(.6); } }

/* ============ 应用外壳 ============ */
.app-shell {
  width: 100vw; height: 100vh; min-width: 1280px; position: relative;
  display: flex; flex-direction: column;
  background: var(--bg); overflow: hidden;
}
.app-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 12% -10%, rgba(24,72,168,0.42) 0%, rgba(3,9,22,0) 62%),
    radial-gradient(90% 80% at 100% 100%, rgba(16,58,140,0.32) 0%, rgba(3,9,22,0) 60%),
    #030916;
}
.app-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .45;
  background-image:
    linear-gradient(rgba(120,170,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,170,255,0.055) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridDrift 30s linear infinite;
}

/* ============ 顶栏 ============ */
.topbar {
  position: relative; z-index: 30; height: 70px; flex: none;
  display: flex; align-items: center; gap: 24px; padding: 0 32px;
  background: linear-gradient(90deg, rgba(4,9,26,0.78) 0%, rgba(6,20,49,0.62) 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(120,170,255,0.18);
}
.topbar-sweep {
  position: absolute; top: 0; left: 0; width: 22%; height: 100%; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(126,183,255,0.1), transparent);
  animation: barSweep 12s linear infinite;
}
.brand { display: flex; align-items: center; gap: 14px; flex: none; }
.brand-name { font: 700 18px/1.2 var(--head); letter-spacing: -0.01em; }
.divider-v { width: 1px; height: 26px; background: rgba(120,170,255,0.22); flex: none; }
.page-head { flex: 1; min-width: 0; }
.page-title { font: 600 15px/1.2 var(--head); }
.page-en { font: 400 11px/1.4 var(--mono); letter-spacing: 0.16em; color: var(--muted); margin-top: 5px; }

.user-wrap { position: relative; flex: none; }
.user-card {
  display: flex; align-items: center; gap: 12px; padding: 8px 14px 8px 8px;
  border: 1px solid rgba(140,200,255,0.24); border-radius: 12px;
  background: rgba(8,22,52,0.6); cursor: pointer;
}
.user-card:hover { border-color: var(--accent); }
.avatar {
  width: 34px; height: 34px; flex: none; border-radius: 10px;
  background: linear-gradient(135deg, #1361f0, #2f8bff);
  display: flex; align-items: center; justify-content: center;
  font: 600 14px/1 var(--sans); color: #fff; overflow: hidden;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.user-name { font: 500 13px/1 var(--sans); }
.user-sub { font: 400 11px/1.4 var(--sans); color: #8fc2ff; margin-top: 4px; }
.user-caret { font: 400 9px/1 var(--mono); color: var(--muted); margin-left: 2px; }

.user-menu {
  position: absolute; top: 100%; right: 0; padding-top: 10px; width: 290px; z-index: 70;
  display: none;
}
.user-wrap:hover .user-menu { display: block; }
.user-menu-inner {
  border: 1px solid rgba(140,200,255,0.26); border-radius: 14px; background: #071634;
  box-shadow: 0 24px 60px rgba(2,8,22,0.75); overflow: hidden;
  animation: v3Fade .16s ease-out;
}
.menu-sect {
  padding: 14px 18px; border-bottom: 1px solid rgba(120,170,255,0.16);
  background: rgba(4,12,32,0.5);
}
.menu-sect-en { font: 400 10px/1 var(--mono); letter-spacing: 0.22em; color: var(--muted); }
.menu-sect-note { font: 400 12px/1.6 var(--sans); color: var(--muted2); margin-top: 7px; }
.role-list { display: flex; flex-direction: column; gap: 8px; padding: 14px; }
.role-opt {
  display: block; width: 100%; text-align: left;
  padding: 12px 14px; border-radius: 11px; cursor: pointer;
  border: 1px solid rgba(140,200,255,0.2); background: rgba(6,18,44,0.5);
}
.role-opt.on { border-color: var(--accent); background: rgba(47,139,255,0.16); }
.role-opt-row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.role-opt-label { font: 600 14px/1.2 var(--sans); color: var(--text); }
.role-opt-en { font: 400 10px/1 var(--mono); letter-spacing: 0.16em; color: var(--muted); }
.role-opt-desc { font: 400 12px/1.6 var(--sans); color: var(--muted); margin-top: 5px; }
.menu-items { display: flex; flex-direction: column; padding: 8px; border-top: 1px solid rgba(120,170,255,0.14); }
.menu-item {
  display: block; width: 100%; text-align: left; border: 0; background: transparent;
  padding: 11px 14px; border-radius: 10px; cursor: pointer;
  font: 500 13px/1 var(--sans); color: #cfe0fb;
}
.menu-item:hover { background: rgba(20,48,102,0.6); color: #cfe0fb; }

.icon-btn {
  width: 38px; height: 38px; flex: none; border: 1px solid rgba(140,200,255,0.24);
  border-radius: 11px; background: rgba(8,22,52,0.6);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.icon-btn:hover { border-color: #f87171; }

/* ============ 布局主体 ============ */
.app-body { position: relative; z-index: 2; flex: 1; display: flex; min-height: 0; }
.sidebar {
  width: 248px; flex: none; padding: 22px 16px;
  background: linear-gradient(180deg, rgba(6,17,42,0.72) 0%, rgba(4,11,28,0.62) 100%);
  backdrop-filter: blur(12px);
  border-right: 1px solid rgba(120,170,255,0.16);
  display: flex; flex-direction: column; gap: 6px; overflow-y: auto;
}
.nav-cap { font: 400 10px/1 var(--mono); letter-spacing: 0.22em; color: #5f7ba8; padding: 0 12px 12px; }
.nav-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.nav-group-label { display: flex; align-items: baseline; gap: 8px; padding: 12px 14px 6px; }
.nav-group-label b { font: 600 12px/1 var(--sans); color: var(--muted); }
.nav-group-label span { font: 400 9px/1 var(--mono); letter-spacing: 0.16em; color: #4c6b96; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px;
  border-radius: 11px; cursor: pointer;
  border: 1px solid transparent; background: transparent; color: #a9c6f2;
}
.nav-item:hover { color: #dcebff; border-color: rgba(120,170,255,0.25); }
.nav-item.active {
  border-color: rgba(79,155,255,0.5);
  background: linear-gradient(90deg, rgba(19,97,240,0.34), rgba(47,139,255,0.12));
  color: #ffffff;
}
.nav-dot { width: 7px; height: 7px; border-radius: 50%; flex: none; background: rgba(140,200,255,0.35); }
.nav-item.active .nav-dot { background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.nav-item-label { flex: 1; min-width: 0; font: 500 14px/1.3 var(--sans); white-space: nowrap; }
.nav-en {
  font: 400 10px/1 var(--mono); letter-spacing: 0.12em; color: #5f7ba8; flex: none;
  overflow: hidden; max-width: 76px; white-space: nowrap;
}
.main { flex: 1; min-width: 0; overflow-y: auto; padding: 28px 32px 48px; }

/* ============ 卡片与面板 ============ */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 22px; animation: v3Fade .3s ease-out; }
.kpi {
  padding: 22px 24px; border: 1px solid var(--panel-border); border-radius: 16px;
  background: var(--panel); backdrop-filter: blur(8px);
}
.kpi-top { display: flex; align-items: center; justify-content: space-between; }
.kpi-en { font: 400 10px/1 var(--mono); letter-spacing: 0.18em; color: var(--muted); }
.kpi-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.kpi-dot.ok { background: var(--ok); } .kpi-dot.bad { background: #f87171; } .kpi-dot.warn { background: var(--warn); }
.kpi-val { font: 700 40px/1 var(--mono); margin-top: 16px; }
.kpi-label { font: 500 13px/1.4 var(--sans); margin-top: 12px; }
.kpi-note { font: 400 12px/1.6 var(--sans); color: var(--muted); margin-top: 6px; }

.panel {
  min-width: 0; padding: 24px 26px; border: 1px solid var(--panel-border);
  border-radius: 16px; background: var(--panel); backdrop-filter: blur(8px);
  animation: v3Fade .3s ease-out;
}
.panel-title { font: 600 16px/1 var(--head); }
.hr { height: 1px; background: var(--line); margin: 18px 0 22px; border: 0; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border-radius: 10px; cursor: pointer; white-space: nowrap;
  font: 600 13px/1 var(--sans); border: 0; text-decoration: none;
}
.btn-primary { background: linear-gradient(90deg, #1361f0, #2f8bff); color: #ffffff; }
.btn-primary:hover { filter: brightness(1.12); color: #fff; }
.btn-ghost {
  border: 1px solid rgba(140,200,255,0.3); background: rgba(6,18,44,0.6);
  color: #cfe0fb; font-weight: 500;
}
.btn-ghost:hover { border-color: var(--accent); color: #ffffff; }
.btn-danger { border: 1px solid rgba(248,113,113,0.45); background: rgba(220,60,70,0.14); color: var(--bad); font-weight: 500; }
.btn-danger:hover { border-color: #f87171; color: #fff; }
.btn-sm { padding: 8px 14px; font-size: 12px; border-radius: 9px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

/* ============ 表单 ============ */
.input, .select, .textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  border: 1px solid rgba(140,200,255,0.3); background: rgba(6,18,44,0.6);
  color: var(--text); font: 400 13px/1.4 var(--sans);
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); }
.select { appearance: none; cursor: pointer; }
.field-label { display: block; font: 500 12px/1 var(--sans); color: var(--muted2); margin: 16px 0 8px; }
.field-label:first-child { margin-top: 0; }
.textarea { resize: vertical; min-height: 90px; line-height: 1.7; }
.checkbox {
  width: 18px; height: 18px; flex: none; border-radius: 5px; cursor: pointer;
  border: 1px solid rgba(140,200,255,0.34); background: transparent;
  display: inline-flex; align-items: center; justify-content: center;
  appearance: none; margin: 0;
}
.checkbox:checked { background: var(--accent); border-color: var(--accent); }
.checkbox:checked::after { content: '✓'; color: #fff; font-size: 12px; line-height: 1; }

/* ============ 徽章 ============ */
.tag { display: inline-block; padding: 4px 10px; border-radius: 999px; font: 500 11px/1.4 var(--sans); white-space: nowrap; }
.tag-lg { padding: 5px 12px; font-size: 12px; }
.tag-ok   { background: rgba(24,160,110,0.2);  border: 1px solid rgba(95,227,182,0.45); color: #5fe3b6; }
.tag-bad  { background: rgba(220,60,70,0.18);  border: 1px solid rgba(248,113,113,0.45); color: #fca5a5; }
.tag-warn { background: rgba(240,170,40,0.16); border: 1px solid rgba(251,191,36,0.45); color: #fbbf24; }
.tag-info { background: rgba(47,139,255,0.18); border: 1px solid rgba(79,155,255,0.45); color: #8fc2ff; }
.tag-mute { background: rgba(255,255,255,0.05); border: 1px solid rgba(140,200,255,0.22); color: #9fbde8; }

/* ============ 数据行表 ============ */
.tbl { display: flex; flex-direction: column; }
.tbl-head {
  display: grid; gap: 14px; align-items: center; padding: 12px 16px;
  font: 500 12px/1.4 var(--sans); color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.tbl-row {
  display: grid; gap: 14px; align-items: center; padding: 15px 16px;
  border-bottom: 1px solid rgba(120,170,255,0.09);
  font: 400 13px/1.5 var(--sans);
}
.tbl-row:hover { background: rgba(20,48,102,0.25); }
.tbl-row:last-child { border-bottom: 0; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.muted2 { color: var(--muted2); }
.t-ok { color: var(--ok); } .t-bad { color: var(--bad); } .t-warn { color: var(--warn); }

/* ============ 工具条 / 分页 ============ */
.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.toolbar .input, .toolbar .select { width: auto; }
.pager { display: flex; align-items: center; gap: 8px; }
.pager a, .pager span.pg {
  min-width: 34px; height: 34px; padding: 0 10px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(140,200,255,0.24); background: rgba(6,18,44,0.5);
  font: 500 12px/1 var(--mono); color: #cfe0fb; cursor: pointer;
}
.pager a:hover { border-color: var(--accent); color: #fff; }
.pager .cur { background: linear-gradient(135deg, #1361f0, #2f8bff); border-color: transparent; color: #fff; }
.pager .dis { opacity: .35; pointer-events: none; }
.pager-info { font: 400 12px/1 var(--sans); color: var(--muted); }

/* ============ 弹窗 ============ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 80; background: rgba(2,8,22,0.72);
  backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center; padding: 40px;
}
.modal-overlay.open { display: flex; }
.modal {
  width: 640px; max-width: 94vw; max-height: 88vh; overflow-y: auto;
  border: 1px solid rgba(140,200,255,0.26); border-radius: 18px; background: #071634;
  box-shadow: 0 30px 80px rgba(2,8,22,0.8); padding: 28px 30px;
  animation: v3Fade .18s ease-out;
}
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 6px; }
.modal-kick { font: 400 10px/1 var(--mono); letter-spacing: 0.22em; color: var(--muted); margin-bottom: 8px; }
.modal-title { font: 600 19px/1.3 var(--head); }
.modal-sub { font: 400 12px/1.7 var(--sans); color: var(--muted); margin-top: 6px; }
.modal-x {
  width: 34px; height: 34px; flex: none; border-radius: 10px; cursor: pointer;
  border: 1px solid rgba(140,200,255,0.24); background: rgba(8,22,52,0.6);
  color: var(--muted2); font: 400 14px/1 var(--sans);
  display: flex; align-items: center; justify-content: center;
}
.modal-x:hover { border-color: #f87171; color: #fff; }
.modal-foot { display: flex; align-items: center; gap: 12px; margin-top: 24px; }

/* ============ 提示条 ============ */
.toast {
  position: fixed; top: 86px; left: 50%; transform: translateX(-50%); z-index: 120;
  padding: 12px 22px; border-radius: 12px; border: 1px solid rgba(95,227,182,0.45);
  background: rgba(7,30,26,0.92); color: var(--ok); font: 500 13px/1.4 var(--sans);
  box-shadow: 0 16px 44px rgba(2,8,22,0.6); animation: v3Fade .2s ease-out;
}
.toast.err { border-color: rgba(248,113,113,0.45); background: rgba(40,10,14,0.92); color: var(--bad); }

/* ============ 进度条 ============ */
.bar-track { height: 6px; border-radius: 999px; background: rgba(140,200,255,0.14); }
.bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, #1361f0, #2f8bff); }
.bar-track.lg { height: 14px; }

/* ============ 通用 ============ */
.flex { display: flex; } .aic { align-items: center; } .aib { align-items: baseline; }
.jcb { justify-content: space-between; } .jce { justify-content: flex-end; }
.g8 { gap: 8px; } .g10 { gap: 10px; } .g12 { gap: 12px; } .g14 { gap: 14px; } .g18 { gap: 18px; }
.mt6 { margin-top: 6px; } .mt10 { margin-top: 10px; } .mt14 { margin-top: 14px; }
.mt18 { margin-top: 18px; } .mt22 { margin-top: 22px; }
.mb18 { margin-bottom: 18px; } .mb22 { margin-bottom: 22px; }
.grow { flex: 1; min-width: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fade { animation: v3Fade .3s ease-out; }