/* ============================================================
   驾考通 · 数据面板风 完整主题
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --pri: #4F46E5; --pri2: #7C3AED; --pg: linear-gradient(135deg, #4F46E5, #7C3AED);
  --green: #10B981; --red: #EF4444; --amber: #F59E0B;
  --t1: #111827; --t2: #6B7280; --t3: #9CA3AF;
  --bg: #F0F4F8; --card: #FFFFFF; --b1: #E2E8F0; --b2: #F1F5F9;
  --r: 14px; --r2: 10px; --r3: 20px;
  --sh: 0 1px 3px rgba(0,0,0,.05); --sh2: 0 4px 12px rgba(0,0,0,.06);
  --sb: env(safe-area-inset-bottom, 16px); --st: env(safe-area-inset-top, 0px);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
body { font-family: var(--font); background: var(--bg); color: var(--t1); line-height: 1.5; -webkit-font-smoothing: antialiased; overflow-x: hidden; font-size: 14px; }
.page { display: none; min-height: 100vh; padding-bottom: 76px; }
.page.active { display: block; }
.loading-screen { display:flex; flex-direction:column; align-items:center; justify-content:center; height:100vh; gap:16px; color:var(--t2); }
.spinner { width:32px; height:32px; border:3px solid var(--b1); border-top-color:var(--pri); border-radius:50%; animation:spin .6s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ===== 登录 ===== */
.login-container { max-width:380px; margin:0 auto; padding:70px 24px 40px; }
.logo-area { text-align:center; margin-bottom:36px; }
.login-logo { width:80px; height:80px; margin:0 auto 18px; border-radius:22px; overflow:hidden; box-shadow:0 10px 36px rgba(79,70,229,.25); }
.login-logo img { width:100%; height:100%; }
.logo-area h1 { font-size:24px; font-weight:800; letter-spacing:.04em; }
.logo-area p { color:var(--t2); font-size:13px; margin-top:6px; }
.login-tabs { display:flex; margin-bottom:24px; background:var(--b2); border-radius:var(--r); padding:4px; }
.tab-btn { flex:1; padding:10px; background:none; border:none; border-radius:var(--r2); font-size:14px; cursor:pointer; color:var(--t2); font-weight:500; }
.tab-btn.active { background:white; color:var(--t1); font-weight:600; box-shadow:var(--sh); }
.auth-form { display:none; flex-direction:column; gap:12px; }
.auth-form.active { display:flex; }
.auth-form input { padding:14px 16px; border:1.5px solid var(--b1); border-radius:var(--r); font-size:15px; outline:none; font-family:var(--font); }
.auth-form input:focus { border-color:var(--pri); box-shadow:0 0 0 3px rgba(79,70,229,.08); }
.login-notice { text-align:center; color:var(--amber); font-size:12px; margin-top:16px; padding:10px; background:#FFFBEB; border-radius:var(--r); }

/* ===== 主页 - 数据面板 ===== */
.dash-top { display:flex; align-items:center; justify-content:space-between; padding:16px 20px }
.dash-brand { display:flex; align-items:center; gap:8px; font-size:17px; font-weight:800 }
.dash-brand img { width:28px; height:28px; border-radius:7px }
.dash-right { display:flex; align-items:center; gap:8px; font-size:12px; color:var(--t2) }
.dash-vip { font-size:10px; font-weight:700; padding:3px 10px; border-radius:10px; background:linear-gradient(135deg,#F59E0B,#EF4444); color:white }

.switch-row { display:flex; gap:8px; padding:0 20px 14px }
.sw-btn { flex:1; padding:11px; text-align:center; background:white; border:2px solid var(--b1); border-radius:var(--r); cursor:pointer; font-weight:700; font-size:14px; transition:all .2s }
.sw-btn.active { background:var(--pri); color:white; border-color:var(--pri) }

.car-sel { display:grid; grid-template-columns:1fr 1fr 1fr 1fr; gap:8px; padding:0 20px; margin-bottom:12px }
.cs-btn { padding:12px 6px; background:white; border:2px solid var(--b1); border-radius:var(--r); font-size:12px; font-weight:700; cursor:pointer; display:flex; flex-direction:column; align-items:center; gap:4px; transition:all .2s; box-shadow:var(--sh) }
.cs-btn:hover { border-color:var(--pri); transform:translateY(-1px) }
.cs-btn .cs-emoji { font-size:24px; line-height:1 }
.cs-btn .cs-cnt { font-size:10px; font-weight:500; color:var(--t3); margin-top:2px }
.cs-btn.active .cs-cnt { color:rgba(255,255,255,.7) }
.cs-btn.active { background:var(--pri); color:white; border-color:var(--pri); box-shadow:0 4px 12px rgba(79,70,229,.25); transform:translateY(-2px) }
.cs-btn.active .cs-name { color:white }

.widget { background:white; border-radius:var(--r); padding:18px; margin:0 20px 12px; box-shadow:var(--sh) }
.widget-row { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px }
.widget-title { font-size:12px; font-weight:700; color:var(--t2); letter-spacing:.5px }
.widget-badge { font-size:10px; padding:2px 10px; border-radius:8px; background:#E0E7FF; color:var(--pri); font-weight:600 }

.hero-stat { display:flex; align-items:center; gap:16px }
.hero-ring { position:relative; width:76px; height:76px; flex-shrink:0 }
.hero-ring svg { transform:rotate(-90deg) }
.ct { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:20px; font-weight:800; color:var(--pri) }
.hero-nums { flex:1; display:grid; grid-template-columns:1fr 1fr; gap:8px }
.hn-item { text-align:center; padding:10px 6px; background:var(--b2); border-radius:var(--r2) }
.hn-val { font-size:20px; font-weight:800 }
.hn-label { font-size:10px; color:var(--t3); margin-top:2px }

.cta-row { display:grid; grid-template-columns:1fr 1fr; gap:10px; padding:0 20px 14px }
.cta-btn { padding:15px; border-radius:var(--r); cursor:pointer; font-weight:700; font-size:15px; text-align:center; border:none; transition:all .15s }
.cta-btn.pri { background:var(--pg); color:white; box-shadow:0 4px 16px rgba(79,70,229,.25) }
.cta-btn.sec { background:white; color:var(--t1); border:1.5px solid var(--b1) }

.insight-item { display:flex; align-items:center; gap:12px; padding:12px 0; border-bottom:1px solid var(--b2); cursor:pointer }
.insight-item:last-child { border-bottom:none }
.ins-icon { font-size:26px; width:36px; text-align:center }
.ins-body { flex:1 }
.ins-body .it { font-weight:600; font-size:14px }
.ins-body .is { font-size:11px; color:var(--t3); margin-top:2px }
.ins-count { font-size:16px; font-weight:800; color:var(--red) }
.ins-count.green { color:var(--green) }

/* ===== 卡密激活 ===== */
.card-activate-bar { background:#FFF7ED; padding:10px 20px; border-bottom:1px solid #FED7AA }
.activate-row { display:flex; align-items:center; gap:8px }
.activate-row input { flex:1; padding:9px 14px; border:1.5px solid #FED7AA; border-radius:20px; font-size:13px; outline:none; background:white }
.btn-activate { padding:9px 16px; border:none; border-radius:20px; font-size:13px; font-weight:600; background:linear-gradient(135deg,#F59E0B,#EF4444); color:white; cursor:pointer }
.activate-msg { font-size:11px; margin-top:6px; padding-left:4px }

/* ===== 答题/考试/统计/个人/管理 页面（复用暗黑风的命名，用亮色变量） ===== */
.app-header { background:white; padding:0 20px; height:52px; display:flex; align-items:center; justify-content:space-between; position:sticky; top:0; z-index:100; padding-top:var(--st); border-bottom:1px solid var(--b2) }
.app-header h1 { font-size:16px; font-weight:600; flex:1; text-align:center }
.btn-back { display:flex; align-items:center; gap:6px; background:none; border:none; color:var(--t1); font-size:15px; padding:8px 14px 8px 8px; cursor:pointer; font-weight:500; border-radius:var(--r2); transition:background .15s }
.btn-back:hover { background:var(--b2) }
.btn-back::before { content:'‹'; font-size:26px; line-height:1; font-weight:200; color:var(--pri) }

.question-area { padding:20px }
.progress-bar { height:3px; background:var(--b2); border-radius:2px; margin-bottom:18px; overflow:hidden }
.progress-fill { height:100%; background:var(--pg); border-radius:2px; transition:width .35s; width:0 }
.question-type { display:inline-block; padding:4px 12px; border-radius:12px; font-size:11px; font-weight:700; margin-bottom:14px }
.type-judge { background:#FEF3C7; color:#92400E }
.type-choice { background:#E0E7FF; color:#3730A3 }
.question-text { font-size:17px; font-weight:500; line-height:1.7; margin-bottom:18px }
.question-image { margin-bottom:18px; border-radius:var(--r); overflow:hidden }
.question-image img { width:100%; max-height:260px; object-fit:contain; background:#000 }
.options-list { display:flex; flex-direction:column; gap:8px }
.option-item { padding:15px 16px; background:white; border:1.5px solid var(--b1); border-radius:var(--r); cursor:pointer; display:flex; align-items:center; gap:12px; font-size:15px; box-shadow:var(--sh) }
.option-item.selected { border-color:var(--pri); background:#EEF2FF }
.option-item.correct { border-color:var(--green); background:#ECFDF5 }
.option-item.wrong { border-color:var(--red); background:#FEF2F2 }
.option-label { display:flex; align-items:center; justify-content:center; min-width:30px; height:30px; border-radius:50%; font-weight:700; font-size:13px; background:var(--b2); flex-shrink:0 }
.option-item.selected .option-label { background:var(--pri); color:white }
.option-item.correct .option-label { background:var(--green); color:white }
.option-item.wrong .option-label { background:var(--red); color:white }
.option-text { flex:1 }
.question-result { background:white; border-radius:var(--r); padding:16px; margin-top:16px; border:1.5px solid var(--b1) }
.result-correct { color:var(--green) }
.result-wrong { color:var(--red) }
.result-explain { font-size:14px; color:var(--t2); line-height:1.6; margin-top:8px }
.question-actions { position:fixed; bottom:0; left:0; right:0; z-index:100; background:white; padding:12px 20px calc(12px + var(--sb)); display:flex; gap:8px; border-top:1px solid var(--b2) }
.action-btn { flex:1; padding:12px; background:var(--b2); border:1.5px solid var(--b1); border-radius:var(--r2); font-size:14px; font-weight:500; cursor:pointer; font-family:var(--font) }
.action-btn:disabled { opacity:.3 }

.btn-primary { width:100%; padding:14px; border:none; border-radius:var(--r); font-size:16px; font-weight:600; cursor:pointer; background:var(--pg); color:white; box-shadow:0 4px 16px rgba(79,70,229,.25) }
.btn-primary:disabled { background:#D1D5DB; box-shadow:none }
.btn-danger { background:linear-gradient(135deg,#EF4444,#F87171); box-shadow:0 4px 16px rgba(239,68,68,.25) }
.btn-outline { width:100%; padding:13px; background:white; border:1.5px solid var(--b1); border-radius:var(--r); font-size:15px; cursor:pointer }
.btn-text { width:100%; padding:13px; background:none; color:var(--t2); border:none; font-size:15px; cursor:pointer }

.judge-options { display:grid; grid-template-columns:1fr 1fr; gap:10px }
.judge-btn { padding:20px; border:1.5px solid var(--b1); border-radius:var(--r); background:white; font-size:18px; font-weight:700; cursor:pointer; text-align:center; font-family:var(--font); box-shadow:var(--sh) }
.judge-btn.selected { border-color:var(--pri); background:#EEF2FF }
.judge-btn.correct { border-color:var(--green); background:#ECFDF5 }
.judge-btn.wrong { border-color:var(--red); background:#FEF2F2 }

#exam-timer { font-size:14px; font-weight:700 }
#exam-timer.warning { color:var(--amber) }
#exam-timer.danger { color:var(--red); animation:pulse 1s infinite }
@keyframes pulse { 50%{opacity:.4} }
.exam-answer-sheet { padding:18px 20px; background:white; border-top:1px solid var(--b2) }
.sheet-grid { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:16px }
.sheet-num { width:34px; height:34px; border-radius:50%; border:1.5px solid var(--b1); display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:600; cursor:pointer; background:white }
.sheet-num.answered { background:var(--pri); color:white; border-color:var(--pri) }
.sheet-num.current { border:2.5px solid var(--pri) }

.result-container { max-width:400px; margin:0 auto; padding:50px 24px; text-align:center }
.result-icon { font-size:72px; margin-bottom:12px }
.result-status h2 { font-size:22px; font-weight:700; margin-bottom:22px }
.result-score { margin:26px 0 }
.big-num { font-size:84px; font-weight:800; background:var(--pg); -webkit-background-clip:text; -webkit-text-fill-color:transparent }
.score-unit { font-size:22px; color:var(--t2); margin-left:6px }
.result-detail { display:flex; justify-content:center; gap:32px; margin-bottom:32px; font-size:14px; color:var(--t2) }
.result-detail span { display:block; font-size:22px; font-weight:700; color:var(--t1); margin-bottom:2px }
.result-container .btn-outline,.result-container .btn-primary,.result-container .btn-text { margin-bottom:10px; max-width:300px; margin-left:auto; margin-right:auto }

.stats-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; padding:16px 20px }
.stat-card { background:white; border-radius:var(--r); padding:20px; text-align:center; box-shadow:var(--sh) }
.stat-number { font-size:30px; font-weight:800; color:var(--pri) }
.stat-label { font-size:12px; color:var(--t2); margin-top:4px }
.stats-section { padding:0 20px 20px }
.exam-item { background:white; padding:14px 16px; border-radius:var(--r2); margin-bottom:8px; box-shadow:var(--sh); display:flex; justify-content:space-between; align-items:center }
.exam-score { font-size:18px; font-weight:700 }
.exam-passed { color:var(--green) }
.exam-failed { color:var(--red) }
.exam-info { font-size:12px; color:var(--t2) }

.profile-info { text-align:center; padding:30px 20px; margin:16px 20px; background:white; border-radius:var(--r3); box-shadow:var(--sh) }
.avatar { width:64px; height:64px; margin:0 auto 12px; background:#EEF2FF; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:30px }
.profile-info h3 { font-size:19px; font-weight:700 }
.profile-info p { color:var(--t2); font-size:13px; margin-top:4px }
.profile-menu { padding:0 20px }
.profile-item { background:white; padding:15px 18px; border-radius:var(--r2); display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; cursor:pointer; box-shadow:var(--sh); font-size:15px }

.admin-stats { display:grid; grid-template-columns:1fr 1fr 1fr; gap:8px; padding:14px 20px }
.mini-stat { background:white; padding:14px 10px; border-radius:var(--r2); text-align:center; font-size:11px; color:var(--t2); box-shadow:var(--sh) }
.mini-stat b { display:block; font-size:22px; font-weight:800; color:var(--pri); margin-bottom:2px }
.admin-menu { padding:0 20px; display:grid; grid-template-columns:1fr 1fr 1fr; gap:8px; margin-bottom:14px }
.admin-btn { padding:13px 10px; border:none; border-radius:var(--r2); font-size:13px; font-weight:600; background:var(--pg); color:white; cursor:pointer; font-family:var(--font) }
.admin-panel { padding:18px 20px; margin:0 20px 14px; background:white; border-radius:var(--r); box-shadow:var(--sh) }
.admin-panel input { width:100%; padding:12px 14px; border:1.5px solid var(--b1); border-radius:var(--r2); font-size:14px; margin-bottom:8px; outline:none; font-family:var(--font) }
.gen-result { margin-top:12px; background:var(--b2); padding:12px; border-radius:var(--r2); font-size:11px; font-family:monospace; max-height:160px; overflow-y:auto; white-space:pre-wrap }
.admin-list-area { padding:0 20px 16px }
.admin-table { width:100%; font-size:12px; border-collapse:collapse }
.admin-table th { background:var(--b2); padding:10px 8px; text-align:left; font-weight:600; font-size:11px; color:var(--t2) }
.admin-table td { padding:10px 8px; border-bottom:1px solid var(--b2) }

.bottom-nav { position:fixed; bottom:0; left:0; right:0; z-index:100; background:white; display:flex; padding:6px 0 var(--sb); border-top:1px solid var(--b2) }
.bottom-nav .nav-btn { flex:1; text-align:center; font-size:10px; color:var(--t2); cursor:pointer; border:none; background:none; font-weight:600; display:flex; flex-direction:column; align-items:center; gap:2px }
.bottom-nav .nav-btn.active { color:var(--pri) }
.nav-icon { font-size:20px }

.toast { position:fixed; top:72px; left:50%; transform:translateX(-50%); padding:10px 22px; border-radius:20px; font-size:13px; font-weight:600; z-index:999; opacity:0; transition:opacity .25s; pointer-events:none; background:rgba(0,0,0,.85); color:white; box-shadow:0 8px 24px rgba(0,0,0,.2) }
.toast.show { opacity:1 }
.toast.success { background:var(--green) }
.toast.error { background:var(--red) }
.modal { position:fixed; inset:0; background:rgba(0,0,0,.35); z-index:200; display:flex; align-items:center; justify-content:center; padding:24px }
.modal-content { background:white; border-radius:var(--r3); width:100%; max-width:380px; max-height:80vh; overflow-y:auto; box-shadow:0 20px 60px rgba(0,0,0,.15) }
.modal-header { display:flex; justify-content:space-between; align-items:center; padding:16px 20px; border-bottom:1px solid var(--b2) }
.modal-close { background:none; border:none; font-size:22px; cursor:pointer; color:var(--t2) }
#modal-body { padding:18px 20px }
.cta-btn.pri:active{transform:scale(.98)}.cta-btn.sec:active{background:var(--b2)}.vip-info-row{display:flex;justify-content:space-between;align-items:center;font-size:14px}.vip-info-row b{font-size:18px;color:var(--pri)}.quick-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;padding:0 20px 14px}.qs-card{background:white;border-radius:var(--r);padding:14px 10px;text-align:center;box-shadow:var(--sh)}.qs-card .qs-val{font-size:20px;font-weight:800;color:var(--pri)}.qs-card .qs-lbl{font-size:11px;color:var(--t2);margin-top:2px}
.next-hint{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#EEF2FF,#E0E7FF);padding:12px 16px;border-radius:12px;margin-bottom:12px;font-size:14px;font-weight:600}.next-hint button{background:var(--pri);color:white;border:none;padding:8px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}
.next-bar{display:flex;justify-content:space-between;align-items:center;background:#4F46E5;color:white;padding:14px 20px;margin:0;font-weight:600;font-size:15px}
.next-bar .nb-status{opacity:.9}
.next-bar .nb-btn{background:white;color:#4F46E5;border:none;padding:8px 22px;border-radius:8px;font-size:14px;font-weight:700;cursor:pointer}
.next-bar .nb-btn:active{opacity:.8}
.car-box{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#EEF2FF,#E0E7FF);border:2px solid #C7D2FE;border-radius:14px;padding:16px 18px;margin:0 20px 12px}.car-box-icon{font-size:40px;width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:white;border-radius:14px;box-shadow:0 2px 8px rgba(79,70,229,.1)}.car-box-info{flex:1}.car-box-title{font-size:16px;font-weight:800}.car-box-desc{font-size:12px;color:#6B7280;margin-top:2px}.car-box-cnt{font-size:22px;font-weight:800;color:#4F46E5;background:white;padding:8px 16px;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.multi-opt .multi-check{width:20px;height:20px;border:2px solid #D1D5DB;border-radius:4px;flex-shrink:0;transition:all .2s}.multi-opt.selected .multi-check{background:#4F46E5;border-color:#4F46E5;position:relative}.multi-opt.selected .multi-check::after{content:'';position:absolute;left:5px;top:2px;width:6px;height:10px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg)}