/* ============================================================
   就業服務乙級 AI 闖關學習系統 — Design System & Global Styles
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --primary:        #2563EB;
  --primary-dark:   #1D4ED8;
  --primary-darker: #1E3A8A;
  --primary-light:  #EFF6FF;
  --primary-muted:  #BFDBFE;

  --secondary:      #7C3AED;
  --secondary-light:#F5F3FF;

  --success:        #22C55E;
  --success-light:  #F0FDF4;
  --success-dark:   #16A34A;

  --warning:        #F59E0B;
  --warning-light:  #FFFBEB;
  --warning-dark:   #D97706;

  --danger:         #EF4444;
  --danger-light:   #FEF2F2;
  --danger-dark:    #DC2626;

  --vip:            #F59E0B;
  --vip-dark:       #D97706;
  --vip-light:      #FFFBEB;
  --vip-gradient:   linear-gradient(135deg,#F59E0B 0%,#D97706 100%);

  --dark:           #0F172A;
  --dark-2:         #1E293B;
  --dark-3:         #334155;
  --muted:          #64748B;
  --muted-light:    #94A3B8;
  --border:         #E2E8F0;
  --border-light:   #F1F5F9;
  --bg:             #F8FAFC;
  --bg-2:           #F1F5F9;
  --card:           #FFFFFF;

  --font: "Noto Sans TC","Microsoft JhengHei","PingFang TC",system-ui,sans-serif;

  --max-w: 1200px;
  --nav-h: 68px;

  --r-xs: 6px;
  --r-sm: 10px;
  --r:    14px;
  --r-md: 18px;
  --r-lg: 22px;
  --r-xl: 28px;
  --r-2xl:36px;
  --r-full:9999px;

  --shadow-xs: 0 1px 3px rgba(15,23,42,.06);
  --shadow-sm: 0 2px 8px rgba(15,23,42,.08);
  --shadow:    0 4px 16px rgba(15,23,42,.09);
  --shadow-md: 0 8px 28px rgba(15,23,42,.11);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.13);
  --shadow-xl: 0 28px 72px rgba(15,23,42,.16);
  --shadow-p:  0 8px 24px rgba(37,99,235,.28);
  --shadow-vip:0 8px 24px rgba(245,158,11,.28);

  --t:  .18s ease;
  --ts: .28s ease;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--dark);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul,ol{list-style:none}
input,button,textarea,select{font-family:inherit}
button{cursor:pointer;border:none;background:none}

/* ── Typography ────────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6{font-weight:900;line-height:1.3;letter-spacing:-.02em}
h1{font-size:clamp(26px,4vw,46px)}
h2{font-size:clamp(20px,3vw,34px)}
h3{font-size:clamp(16px,2.5vw,22px)}
p{color:var(--muted);font-weight:600}
.text-gradient{
  background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent
}
.text-vip{
  background:var(--vip-gradient);
  -webkit-background-clip:text;background-clip:text;color:transparent
}

/* ── Layout ────────────────────────────────────────────────── */
.container{width:min(var(--max-w),calc(100% - 40px));margin:0 auto}
.section{padding:80px 0}
.section-sm{padding:48px 0}
.section-xs{padding:32px 0}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flex{display:flex}
.flex-center{display:flex;align-items:center;justify-content:center}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.flex-wrap{flex-wrap:wrap}
.items-start{align-items:flex-start}
.gap-4{gap:4px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}
.gap-20{gap:20px}.gap-24{gap:24px}.gap-32{gap:32px}.gap-40{gap:40px}
.text-center{text-align:center}
.text-left{text-align:left}
.w-full{width:100%}
.mb-4{margin-bottom:4px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}
.mb-16{margin-bottom:16px}.mb-20{margin-bottom:20px}.mb-24{margin-bottom:24px}
.mb-28{margin-bottom:28px}.mb-32{margin-bottom:32px}.mb-40{margin-bottom:40px}.mb-48{margin-bottom:48px}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}
.mt-32{margin-top:32px}.mt-48{margin-top:48px}

/* ── Navigation ────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(226,232,240,.7);
  height:var(--nav-h);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:100%;gap:16px
}
.nav-brand{
  display:flex;align-items:center;gap:10px;
  font-weight:900;font-size:17px;letter-spacing:-.02em;
  flex-shrink:0;white-space:nowrap
}
.nav-brand-badge{
  width:38px;height:38px;border-radius:11px;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;
  font-size:17px;font-weight:900;
  box-shadow:var(--shadow-p);flex-shrink:0
}
.nav-links{
  display:flex;align-items:center;gap:2px;flex:1;justify-content:center
}
.nav-link{
  padding:7px 11px;border-radius:var(--r-sm);
  font-weight:700;font-size:13px;color:var(--muted);
  transition:var(--t);white-space:nowrap
}
.nav-link:hover{background:var(--bg);color:var(--dark)}
.nav-link.active{background:var(--primary-light);color:var(--primary)}
.nav-link.vip-link{color:var(--vip-dark)}
.nav-link.vip-link:hover{background:var(--vip-light)}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-user-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-full);
  font-size:12px;font-weight:800
}
.nav-hamburger{
  display:none;width:38px;height:38px;border-radius:var(--r);
  background:var(--bg);flex-direction:column;
  align-items:center;justify-content:center;gap:5px;cursor:pointer
}
.nav-hamburger span{
  width:18px;height:2px;background:var(--dark);
  border-radius:2px;transition:var(--t)
}
.nav-drawer{
  display:none;position:fixed;
  top:var(--nav-h);left:0;right:0;bottom:0;
  background:rgba(15,23,42,.55);z-index:99
}
.nav-drawer.open{display:block}
.nav-drawer-inner{
  background:#fff;padding:20px;
  display:flex;flex-direction:column;gap:6px;
  max-height:calc(100vh - var(--nav-h));overflow-y:auto;
  box-shadow:var(--shadow-lg)
}
.nav-drawer-link{
  display:block;padding:13px 16px;border-radius:var(--r-md);
  font-weight:700;font-size:15px;color:var(--dark);transition:var(--t)
}
.nav-drawer-link:hover{background:var(--bg)}
.nav-drawer-divider{height:1px;background:var(--border);margin:6px 0}

/* ── Buttons ───────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;padding:13px 22px;border-radius:var(--r-md);
  font-weight:800;font-size:14px;transition:var(--t);
  white-space:nowrap;cursor:pointer;border:none;line-height:1
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none!important;pointer-events:none}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-p)}
.btn-primary:hover{background:var(--primary-dark)}
.btn-secondary{background:#fff;color:var(--dark);border:1.5px solid var(--border);box-shadow:var(--shadow-xs)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.btn-vip{background:var(--vip-gradient);color:#fff;box-shadow:var(--shadow-vip)}
.btn-vip:hover{filter:brightness(1.06)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:var(--dark-2)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:var(--danger-dark)}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{background:var(--success-dark)}
.btn-ghost{background:transparent;color:var(--primary);padding:11px 18px}
.btn-ghost:hover{background:var(--primary-light)}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-outline-vip{background:transparent;color:var(--vip-dark);border:1.5px solid var(--vip)}
.btn-outline-vip:hover{background:var(--vip-light)}
.btn-sm{padding:8px 14px;font-size:12px;border-radius:var(--r-sm)}
.btn-lg{padding:16px 28px;font-size:16px;border-radius:var(--r-lg)}
.btn-xl{padding:18px 36px;font-size:17px;border-radius:var(--r-xl)}
.btn-block{width:100%;justify-content:center}
.btn-icon{width:42px;height:42px;padding:0;border-radius:var(--r-md)}

/* ── Badges ────────────────────────────────────────────────── */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 11px;border-radius:var(--r-full);
  font-size:11px;font-weight:800;letter-spacing:.05em
}
.badge-blue   {background:var(--primary-light);color:var(--primary)}
.badge-purple {background:var(--secondary-light);color:var(--secondary)}
.badge-orange {background:#FFF7ED;color:#EA580C}
.badge-green  {background:var(--success-light);color:var(--success-dark)}
.badge-red    {background:var(--danger-light);color:var(--danger-dark)}
.badge-vip    {background:var(--vip-light);color:var(--vip-dark)}
.badge-dark   {background:var(--dark);color:#fff}
.badge-gray   {background:var(--bg-2);color:var(--muted)}

/* ── Cards ─────────────────────────────────────────────────── */
.card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-xl);box-shadow:var(--shadow);padding:28px
}
.card-sm{padding:20px;border-radius:var(--r-lg)}
.card-lg{padding:40px;border-radius:var(--r-2xl)}
.card-hover{transition:var(--ts)}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-muted)}
.card-dark{background:var(--dark);color:#fff;border:1px solid rgba(255,255,255,.07)}
.card-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-darker) 100%);color:#fff;border:none}
.card-vip{background:linear-gradient(135deg,#FFFBEB 0%,#FFF7ED 100%);border-color:var(--vip)}

/* ── Forms ─────────────────────────────────────────────────── */
.form-group{margin-bottom:20px}
.form-label{display:block;font-weight:800;font-size:13px;margin-bottom:7px;color:var(--dark)}
.form-label .req{color:var(--danger);margin-left:2px}
.form-control{
  width:100%;padding:13px 15px;
  border:1.5px solid var(--border);border-radius:var(--r-md);
  font-size:14px;font-weight:600;color:var(--dark);background:#fff;
  transition:var(--t);outline:none
}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.form-control::placeholder{color:var(--muted-light)}
.form-control.is-error{border-color:var(--danger)}
.form-error{font-size:12px;font-weight:700;color:var(--danger);margin-top:5px}
.form-hint{font-size:12px;font-weight:600;color:var(--muted);margin-top:5px}
.form-select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;padding-right:38px
}
.form-check{display:flex;align-items:flex-start;gap:10px;cursor:pointer;margin-bottom:10px}
.form-check-input{
  width:18px;height:18px;border:2px solid var(--border);border-radius:5px;
  cursor:pointer;flex-shrink:0;margin-top:2px;accent-color:var(--primary)
}
.form-check-label{font-weight:600;font-size:14px;color:var(--dark)}

/* ── Progress ──────────────────────────────────────────────── */
.progress-wrap{background:var(--border-light);border-radius:var(--r-full);height:10px;overflow:hidden}
.progress-bar{
  height:100%;background:linear-gradient(90deg,var(--primary),#60A5FA);
  border-radius:var(--r-full);transition:width .4s ease
}
.progress-bar.success{background:linear-gradient(90deg,var(--success),#86EFAC)}
.progress-bar.vip{background:var(--vip-gradient)}
.progress-bar.danger{background:linear-gradient(90deg,var(--danger),#FCA5A5)}

/* ── Hero ──────────────────────────────────────────────────── */
.hero{
  padding:80px 0 56px;
  background:linear-gradient(160deg,#EFF6FF 0%,#F8FAFC 60%,#F5F3FF 100%);
  position:relative;overflow:hidden
}
.hero::before{
  content:'';position:absolute;top:-30%;right:-8%;
  width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.07) 0%,transparent 70%);
  pointer-events:none
}
.hero::after{
  content:'';position:absolute;bottom:-20%;left:-5%;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,58,237,.05) 0%,transparent 70%);
  pointer-events:none
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;background:var(--primary-light);color:var(--primary);
  border-radius:var(--r-full);font-size:12px;font-weight:800;margin-bottom:20px
}
.hero-title{
  font-size:clamp(30px,5vw,54px);font-weight:900;
  letter-spacing:-.03em;line-height:1.15;margin-bottom:20px
}
.hero-sub{
  font-size:clamp(14px,2vw,17px);color:var(--muted);font-weight:600;
  line-height:1.75;max-width:540px;margin-bottom:36px
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-stats{display:flex;gap:36px;margin-top:52px;flex-wrap:wrap}
.hero-stat-val{font-size:30px;font-weight:900;color:var(--primary);letter-spacing:-.02em}
.hero-stat-lbl{font-size:12px;color:var(--muted);font-weight:700;margin-top:2px}

/* ── Feature Cards ─────────────────────────────────────────── */
.feature-icon{
  width:52px;height:52px;border-radius:var(--r-md);
  display:grid;place-items:center;font-size:24px;margin-bottom:16px
}
.feature-title{font-size:17px;font-weight:900;margin-bottom:8px}
.feature-desc{font-size:13px;color:var(--muted);font-weight:600;line-height:1.75}

/* ── Comparison Table ──────────────────────────────────────── */
.compare-wrap{overflow-x:auto;border-radius:var(--r-xl);box-shadow:var(--shadow)}
.compare-table{width:100%;border-collapse:collapse;min-width:500px}
.compare-table th,.compare-table td{
  padding:14px 18px;text-align:center;
  font-weight:700;border-bottom:1px solid var(--border)
}
.compare-table th{background:var(--dark);color:#fff;font-size:14px;font-weight:900}
.compare-table th.vip-col{background:linear-gradient(135deg,#D97706 0%,#F59E0B 100%)}
.compare-table td:first-child{text-align:left;font-size:13px;font-weight:700}
.compare-table tr:nth-child(even) td{background:var(--bg)}
.compare-table tr:hover td{background:var(--primary-light)}
.compare-table tr:last-child td{border-bottom:none}
.chk{color:var(--success);font-size:16px}
.crs{color:var(--muted-light);font-size:16px}

/* ── Pricing ───────────────────────────────────────────────── */
.pricing-card{
  background:#fff;border:2px solid var(--border);
  border-radius:var(--r-2xl);padding:36px;position:relative;
  transition:var(--ts)
}
.pricing-card.featured{
  border-color:var(--vip);box-shadow:var(--shadow-vip);
  transform:translateY(-8px)
}
.pricing-popular-badge{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--vip-gradient);color:#fff;
  padding:5px 16px;border-radius:var(--r-full);
  font-size:11px;font-weight:900;white-space:nowrap
}
.pricing-name{font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.pricing-price{font-size:48px;font-weight:900;letter-spacing:-.04em;line-height:1;margin-bottom:4px}
.pricing-price sup{font-size:22px;vertical-align:top;margin-top:10px}
.pricing-period{font-size:13px;color:var(--muted);font-weight:700}
.pricing-divider{height:1px;background:var(--border);margin:24px 0}
.pricing-features{display:flex;flex-direction:column;gap:11px;margin-bottom:28px}
.pricing-feature{display:flex;align-items:flex-start;gap:10px;font-size:13px;font-weight:600}
.pricing-feature .icon{flex-shrink:0;font-size:15px;margin-top:1px}

/* ── Quiz Layout ───────────────────────────────────────────── */
.quiz-layout{
  display:grid;grid-template-columns:1fr 300px;
  gap:24px;padding:28px 0 60px;align-items:start
}
.quiz-card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--r-2xl);box-shadow:var(--shadow);padding:32px
}
.quiz-topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-bottom:16px;flex-wrap:wrap
}
.quiz-progress-text{font-size:15px;font-weight:900}
.quiz-meta{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 22px}
.quiz-question-title{
  font-size:clamp(17px,2.5vw,22px);font-weight:900;
  line-height:1.6;margin-bottom:24px;color:var(--dark)
}

/* Options */
.option{
  display:flex;gap:13px;align-items:flex-start;
  padding:15px 17px;border:2px solid var(--border);
  border-radius:var(--r-lg);margin-bottom:11px;cursor:pointer;
  transition:var(--t);background:#fff
}
.option:hover:not(.disabled){border-color:var(--primary-muted);background:#FAFCFF}
.option.selected{border-color:var(--primary);background:var(--primary-light)}
.option.correct{border-color:var(--success);background:var(--success-light)}
.option.wrong{border-color:var(--danger);background:var(--danger-light)}
.option.disabled{cursor:default;pointer-events:none}
.option.correct-unmarked{border-color:var(--success);border-style:dashed}
.option-key{
  width:38px;height:38px;border-radius:var(--r-sm);
  background:var(--bg-2);color:var(--muted);
  display:grid;place-items:center;font-weight:900;font-size:14px;
  flex-shrink:0;transition:var(--t)
}
.option.selected  .option-key{background:var(--primary);color:#fff}
.option.correct   .option-key{background:var(--success);color:#fff}
.option.wrong     .option-key{background:var(--danger);color:#fff}
.option-text{font-weight:700;font-size:14px;line-height:1.65;color:var(--dark);padding-top:8px}
.option-suffix{margin-left:auto;flex-shrink:0;font-size:18px;padding-top:8px}

/* Quiz Actions */
.quiz-actions{
  display:flex;gap:10px;margin-top:28px;flex-wrap:wrap;align-items:center
}

/* Analysis */
.analysis-section{
  margin-top:28px;padding:28px;
  background:var(--dark);border-radius:var(--r-xl);color:#fff
}
.analysis-result{
  display:flex;align-items:center;gap:10px;
  padding:14px 18px;border-radius:var(--r-lg);
  margin-bottom:20px;font-size:15px;font-weight:900
}
.analysis-result.correct{background:rgba(34,197,94,.15);color:#86EFAC}
.analysis-result.wrong{background:rgba(239,68,68,.15);color:#FCA5A5}
.analysis-h3{font-size:18px;font-weight:900;margin-bottom:14px;color:#fff}
.analysis-block{
  background:rgba(255,255,255,.06);border-radius:var(--r-lg);
  padding:14px 16px;margin-bottom:8px
}
.analysis-block:last-child{margin-bottom:0}
.analysis-label{
  font-size:10px;font-weight:900;letter-spacing:.14em;
  text-transform:uppercase;color:#93C5FD;margin-bottom:7px
}
.analysis-text{font-size:13px;font-weight:600;color:#E2E8F0;line-height:1.75}
.analysis-correct-ans{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:var(--r);
  background:rgba(34,197,94,.12);color:#86EFAC;
  font-weight:800;font-size:13px;margin-bottom:16px
}

/* Quiz Side */
.quiz-side-card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--r-xl);padding:22px;
  box-shadow:var(--shadow-xs);
  position:sticky;top:calc(var(--nav-h) + 20px)
}
.side-title{font-size:15px;font-weight:900;margin-bottom:14px}
.stat-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:9px 0;border-bottom:1px solid var(--border-light);
  font-size:13px;font-weight:700
}
.stat-row:last-child{border-bottom:none}
.stat-val{font-weight:900}

/* ── Result Page ───────────────────────────────────────────── */
.result-score-card{
  text-align:center;padding:48px;
  background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 100%);
  border-radius:var(--r-2xl);color:#fff;margin-bottom:28px
}
.result-score{font-size:76px;font-weight:900;line-height:1;letter-spacing:-.04em}
.result-score.pass{color:#86EFAC}
.result-score.fail{color:#FCA5A5}
.result-label{font-size:22px;font-weight:900;margin-top:8px}
.result-label.pass{color:#86EFAC}
.result-label.fail{color:#FCA5A5}
.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0 0}
.result-stat{
  text-align:center;padding:18px;
  background:rgba(255,255,255,.07);border-radius:var(--r-lg)
}
.result-stat-val{font-size:26px;font-weight:900;letter-spacing:-.02em}
.result-stat-lbl{font-size:11px;font-weight:700;color:#94A3B8;margin-top:4px}
.result-detail-item{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);padding:18px;margin-bottom:10px
}
.result-detail-item.correct{border-left:4px solid var(--success)}
.result-detail-item.wrong{border-left:4px solid var(--danger)}
.result-detail-item.skipped{border-left:4px solid var(--muted-light)}
.result-detail-toggle{
  cursor:pointer;font-weight:800;font-size:14px;
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px
}
.result-detail-analysis{
  margin-top:12px;padding-top:12px;
  border-top:1px solid var(--border-light);font-size:13px;color:var(--muted);
  font-weight:600;line-height:1.7;display:none
}
.result-cta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.result-cta-card{
  padding:22px;border-radius:var(--r-xl);
  border:1px solid var(--border);text-align:center;
  transition:var(--ts);cursor:pointer
}
.result-cta-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--primary-muted)}
.result-cta-icon{font-size:28px;margin-bottom:10px}
.result-cta-title{font-size:15px;font-weight:900;margin-bottom:6px}
.result-cta-desc{font-size:12px;color:var(--muted);font-weight:600;margin-bottom:14px;line-height:1.6}

/* ── Wrong Questions ───────────────────────────────────────── */
.wq-item{
  background:#fff;border:1px solid var(--border);border-left:4px solid var(--danger);
  border-radius:var(--r-lg);padding:20px;margin-bottom:14px
}
.wq-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}
.wq-question{font-weight:800;font-size:14px;line-height:1.65;flex:1}
.wq-answers{display:flex;gap:20px;font-size:12px;font-weight:700;margin-bottom:10px;flex-wrap:wrap}
.wq-your{color:var(--danger-dark)}
.wq-correct{color:var(--success-dark)}
.wq-analysis{
  font-size:12px;color:var(--muted);line-height:1.7;
  padding-top:10px;border-top:1px solid var(--border-light)
}
.wq-analysis-label{
  font-size:10px;font-weight:900;letter-spacing:.12em;
  text-transform:uppercase;color:var(--primary);margin-bottom:4px
}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px;align-items:center}
.filter-chip{
  padding:7px 15px;border-radius:var(--r-full);
  border:1.5px solid var(--border);font-size:12px;font-weight:700;
  cursor:pointer;transition:var(--t);background:#fff;color:var(--muted)
}
.filter-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.filter-chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ── Mock Exam Timer ───────────────────────────────────────── */
.exam-timer{
  display:flex;align-items:center;gap:8px;
  padding:10px 18px;background:var(--dark);color:#fff;
  border-radius:var(--r-lg);font-size:20px;
  font-weight:900;letter-spacing:.06em
}
.exam-timer.warn{background:var(--warning);animation:pulse 1s infinite}
.exam-timer.danger{background:var(--danger);animation:pulse .5s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.8}}

/* ── Toast ─────────────────────────────────────────────────── */
#toast-container{
  position:fixed;top:calc(var(--nav-h) + 14px);right:14px;
  z-index:9999;display:flex;flex-direction:column;gap:9px;pointer-events:none
}
.toast{
  min-width:260px;max-width:360px;padding:13px 16px;
  border-radius:var(--r-md);font-weight:700;font-size:13px;
  display:flex;align-items:flex-start;gap:9px;
  box-shadow:var(--shadow-lg);animation:toastIn .25s ease;
  pointer-events:auto;background:#fff
}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.toast.success{border-left:4px solid var(--success)}
.toast.error  {border-left:4px solid var(--danger)}
.toast.info   {border-left:4px solid var(--primary)}
.toast.warning{border-left:4px solid var(--warning)}
.toast-icon{font-size:16px;flex-shrink:0;margin-top:1px}
.toast-msg{flex:1;line-height:1.5}
.toast-close{
  width:20px;height:20px;border-radius:4px;
  background:var(--bg);border:none;cursor:pointer;
  display:grid;place-items:center;font-size:14px;
  flex-shrink:0;color:var(--muted);transition:var(--t)
}
.toast-close:hover{background:var(--border)}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay{
  position:fixed;inset:0;background:rgba(15,23,42,.6);
  z-index:9000;display:flex;align-items:center;
  justify-content:center;padding:20px;backdrop-filter:blur(4px)
}
.modal{
  background:#fff;border-radius:var(--r-2xl);
  padding:36px;max-width:460px;width:100%;
  box-shadow:var(--shadow-xl);animation:modalIn .22s ease
}
@keyframes modalIn{from{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal-title{font-size:20px;font-weight:900;margin-bottom:10px}
.modal-body{color:var(--muted);font-weight:600;line-height:1.7;margin-bottom:24px;font-size:14px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end}

/* ── Loading ───────────────────────────────────────────────── */
#loading-overlay{
  position:fixed;inset:0;background:rgba(248,250,252,.92);
  z-index:8000;display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;
  backdrop-filter:blur(4px)
}
#loading-overlay.active{display:flex}
.spinner{
  width:44px;height:44px;border:4px solid var(--border);
  border-top-color:var(--primary);border-radius:50%;
  animation:spin .7s linear infinite
}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{font-weight:700;color:var(--muted);font-size:14px}

/* ── Auth Pages ────────────────────────────────────────────── */
.auth-page{
  min-height:calc(100vh - var(--nav-h));
  display:flex;align-items:center;justify-content:center;
  padding:40px 16px;
  background:linear-gradient(160deg,#EFF6FF 0%,var(--bg) 100%)
}
.auth-card{
  background:#fff;border-radius:var(--r-2xl);
  box-shadow:var(--shadow-xl);padding:44px;
  width:100%;max-width:440px
}
.auth-logo-wrap{text-align:center;margin-bottom:28px}
.auth-title{font-size:26px;font-weight:900;margin-bottom:8px;text-align:center}
.auth-sub{color:var(--muted);font-weight:600;text-align:center;margin-bottom:28px;font-size:13px}
.auth-divider{
  display:flex;align-items:center;gap:10px;
  margin:18px 0;color:var(--muted);font-size:12px;font-weight:700
}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border)}

/* ── Member Center ─────────────────────────────────────────── */
.member-hero{
  background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 100%);
  color:#fff;padding:44px 0
}
.member-avatar{
  width:68px;height:68px;border-radius:50%;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;
  font-size:26px;font-weight:900;margin-bottom:14px
}
.member-tabs{
  display:flex;gap:2px;border-bottom:2px solid var(--border);margin-bottom:28px
}
.member-tab{
  padding:11px 18px;font-weight:800;font-size:13px;
  color:var(--muted);cursor:pointer;
  border-bottom:2px solid transparent;margin-bottom:-2px;transition:var(--t)
}
.member-tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.member-tab:hover{color:var(--dark)}
.member-tab-content{display:none}
.member-tab-content.active{display:block}

/* ── VIP Banner ────────────────────────────────────────────── */
.vip-banner{
  background:var(--vip-gradient);color:#fff;
  border-radius:var(--r-xl);padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;margin-bottom:24px
}
.vip-banner-text .title{font-size:15px;font-weight:900}
.vip-banner-text .desc{font-size:12px;opacity:.9;font-weight:600;margin-top:2px}

/* ── Notice Box ────────────────────────────────────────────── */
.notice-box{padding:14px 16px;border-radius:var(--r-md);font-weight:700;font-size:13px}
.notice-box.info{background:var(--primary-light);color:var(--primary);border-left:3px solid var(--primary)}
.notice-box.warning{background:var(--warning-light);color:var(--warning-dark);border-left:3px solid var(--warning)}
.notice-box.success{background:var(--success-light);color:var(--success-dark);border-left:3px solid var(--success)}
.notice-box.danger{background:var(--danger-light);color:var(--danger-dark);border-left:3px solid var(--danger)}

/* ── FAQ ───────────────────────────────────────────────────── */
.faq-item{border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin-bottom:10px}
.faq-q{
  padding:16px 18px;font-weight:800;font-size:14px;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  gap:12px;transition:var(--t);background:#fff
}
.faq-q:hover{background:var(--bg)}
.faq-q.open{color:var(--primary);background:var(--primary-light)}
.faq-icon{font-size:16px;flex-shrink:0;transition:var(--t)}
.faq-q.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  padding:0 18px;max-height:0;overflow:hidden;
  transition:max-height .3s ease,padding .3s ease;
  font-size:13px;color:var(--muted);line-height:1.75;font-weight:600
}
.faq-a.open{max-height:300px;padding:14px 18px;border-top:1px solid var(--border-light)}

/* ── Step Flow ─────────────────────────────────────────────── */
.steps{display:flex;flex-direction:column;gap:0}
.step{
  display:flex;gap:18px;align-items:flex-start;
  padding:18px 0;border-bottom:1px solid var(--border-light)
}
.step:last-child{border-bottom:none}
.step-num{
  width:38px;height:38px;border-radius:50%;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;font-weight:900;font-size:15px;flex-shrink:0
}
.step-title{font-weight:900;font-size:15px;margin-bottom:3px}
.step-desc{font-size:13px;color:var(--muted);font-weight:600}

/* ── Section Variants ──────────────────────────────────────── */
.section-dark{background:var(--dark);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:#94A3B8}
.section-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-darker) 100%);
  color:#fff
}
.section-primary h2,.section-primary h3,.section-primary p{color:rgba(255,255,255,.9)}
.section-light{background:var(--bg-2)}

/* ── Dividers ──────────────────────────────────────────────── */
.divider{height:1px;background:var(--border);margin:24px 0}

/* ── Tag cloud for categories ──────────────────────────────── */
.tag-cloud{display:flex;gap:8px;flex-wrap:wrap}

/* ── Stat pill ─────────────────────────────────────────────── */
.stat-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;background:var(--bg-2);border-radius:var(--r-full);
  font-size:13px;font-weight:800
}

/* ── Category stat bar ─────────────────────────────────────── */
.cat-bar{margin-bottom:14px}
.cat-bar-header{display:flex;justify-content:space-between;margin-bottom:5px;font-size:13px;font-weight:700}
.cat-bar-wrap{background:var(--border-light);border-radius:var(--r-full);height:8px;overflow:hidden}
.cat-bar-fill{height:100%;border-radius:var(--r-full);transition:width .6s ease}

/* ── Test API page ─────────────────────────────────────────── */
.api-console{background:var(--dark);border-radius:var(--r-xl);padding:24px;color:#E2E8F0}
.api-console pre{
  background:rgba(255,255,255,.05);border-radius:var(--r);
  padding:16px;font-family:monospace;font-size:12px;
  overflow-x:auto;white-space:pre-wrap;word-break:break-all;
  color:#A5F3FC;line-height:1.7;max-height:320px;overflow-y:auto
}
.api-log-item{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:12px}
.api-log-item:last-child{border-bottom:none}
.api-log-time{color:#64748B;font-size:11px}
.api-log-action{font-weight:900;color:#60A5FA}
.api-log-status-ok{color:#86EFAC}
.api-log-status-err{color:#FCA5A5}

/* ── Footer ────────────────────────────────────────────────── */
.footer{background:var(--dark);color:#fff;padding:56px 0 28px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;margin-bottom:44px}
.footer-brand-name{font-size:18px;font-weight:900;margin-bottom:10px}
.footer-brand-desc{font-size:13px;color:#94A3B8;line-height:1.75;font-weight:600}
.footer-heading{font-size:11px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:#64748B;margin-bottom:14px}
.footer-link{display:block;font-size:13px;font-weight:600;color:#94A3B8;margin-bottom:9px;transition:var(--t)}
.footer-link:hover{color:#fff}
.footer-divider{height:1px;background:rgba(255,255,255,.07);margin-bottom:28px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-copy{font-size:12px;color:#475569;font-weight:600}

/* ── Responsive ────────────────────────────────────────────── */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .quiz-layout{grid-template-columns:1fr}
  .quiz-side-card{position:static}
}
@media(max-width:768px){
  .section{padding:52px 0}
  .nav-links{display:none}
  .nav-hamburger{display:flex}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero{padding:44px 0 32px}
  .auth-card{padding:28px 20px}
  .modal{padding:24px 18px}
  .result-stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .result-cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .pricing-card.featured{transform:none}
  .quiz-card{padding:20px}
  .analysis-section{padding:20px}
  .result-score-card{padding:32px 16px}
  .compare-table th,.compare-table td{padding:11px 10px;font-size:12px}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .result-score{font-size:58px}
  .quiz-actions{flex-direction:column}
  .quiz-actions .btn{width:100%}
  .modal-actions{flex-direction:column}
  .modal-actions .btn{width:100%}
  .pricing-card{padding:24px 20px}
}