/* ========================================
   NOTERS — Legal Page Stylesheet
   Dark Premium Glassmorphic Design
   ======================================== */

:root {
  --bg-base:       #0a0e1a;
  --bg-card:       rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border:        rgba(255,255,255,0.08);
  --border-hover:  rgba(99,179,255,0.25);
  --accent:        #4f8ef7;
  --accent-2:      #7b5cfa;
  --accent-grad:   linear-gradient(135deg,#4f8ef7,#7b5cfa);
  --text-primary:  #eef2ff;
  --text-muted:    #8896b3;
  --text-link:     #82b4ff;
  --num-bg:        linear-gradient(135deg,#4f8ef7 0%,#7b5cfa 100%);
  --radius-card:   16px;
  --radius-sm:     8px;
  --shadow-card:   0 4px 32px rgba(0,0,0,.35);
  --transition:    0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans TC', -apple-system, sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.7;
  font-size: 15px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,130,255,.4); border-radius: 99px; }

/* ── HEADER ── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,14,26,0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 36px; height: 36px;
  background: var(--accent-grad);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px; color: #fff;
  box-shadow: 0 0 16px rgba(79,142,247,.4);
}
.logo-icon.small { width: 26px; height: 26px; font-size: 13px; border-radius: 7px; }
.logo-text { font-weight: 700; font-size: 18px; letter-spacing: -.3px; color: var(--text-primary); }

.lang-toggle {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 7px 16px;
  color: var(--text-primary);
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.lang-toggle:hover {
  background: rgba(79,142,247,0.12);
  border-color: var(--accent);
  color: var(--accent);
}
.lang-icon { font-size: 15px; }

/* ── HERO ── */
.hero {
  position: relative; overflow: hidden;
  padding: 72px 24px 56px;
  text-align: center;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
  pointer-events: none;
}
.glow-1 { width: 400px; height: 400px; background: #4f8ef7; top: -100px; left: 10%; }
.glow-2 { width: 350px; height: 350px; background: #7b5cfa; bottom: -120px; right: 10%; }

.hero-content { position: relative; z-index: 1; }
.hero-title {
  font-size: clamp(24px, 5vw, 40px);
  font-weight: 700;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
  letter-spacing: -.5px;
}
.hero-sub { color: var(--text-muted); font-size: 14px; }

/* ── TABS ── */
.tabs-wrapper {
  display: flex; justify-content: center;
  padding: 0 24px 24px;
}
.tabs {
  display: inline-flex;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 4px;
  gap: 4px;
}
.tab {
  padding: 9px 22px;
  border-radius: 99px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 2px 16px rgba(79,142,247,.35);
}

/* ── MAIN ── */
.main { max-width: 860px; margin: 0 auto; padding: 0 24px 80px; }

.section { display: none; animation: fadeIn .3s ease; }
.section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── DOC HEADER ── */
.doc-header {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.doc-header h2 {
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 700;
  color: var(--text-primary);
}
.badge {
  background: rgba(79,142,247,.15);
  border: 1px solid rgba(79,142,247,.3);
  color: var(--accent);
  font-size: 12px; font-weight: 500;
  padding: 3px 10px; border-radius: 99px;
  white-space: nowrap;
}

.intro {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.7;
}

/* ── CARD ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px 28px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), background var(--transition);
}
.card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.card h3 {
  display: flex; align-items: center; gap: 10px;
  font-size: 16px; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.card h4 {
  font-size: 14px; font-weight: 600;
  color: var(--text-link);
  margin: 16px 0 6px;
}
.card h4:first-of-type { margin-top: 8px; }

.card p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 8px;
  line-height: 1.75;
}

.card ul, .card ol {
  padding-left: 20px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}
.card li { margin-bottom: 4px; }
.card li strong { color: var(--text-primary); }

/* ── NUMBER BADGE ── */
.num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 26px; height: 26px;
  background: var(--num-bg);
  border-radius: 7px;
  font-size: 12px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}

/* ── CODE ── */
code {
  background: rgba(99,130,255,.12);
  border: 1px solid rgba(99,130,255,.2);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 13px;
  color: #a5c4ff;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
}

/* ── NOTE ── */
.note {
  background: rgba(255,193,7,.07);
  border-left: 3px solid #f59e0b;
  border-radius: 0 8px 8px 0;
  padding: 10px 14px;
  margin-top: 12px;
  font-size: 13px;
  color: #fcd34d;
  line-height: 1.6;
}

/* ── EMAIL LINK ── */
.email-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-link);
  font-size: 14px; font-weight: 500;
  text-decoration: none;
  background: rgba(82,180,255,.1);
  border: 1px solid rgba(82,180,255,.2);
  padding: 6px 14px; border-radius: 99px;
  transition: var(--transition);
  margin: 6px 0;
}
.email-link::before { content: "✉"; font-size: 13px; }
.email-link:hover {
  background: rgba(82,180,255,.2);
  border-color: var(--text-link);
  color: #fff;
}

/* ── DELETE CARD SPECIAL ── */
.delete-card ol { padding-left: 22px; }
.delete-card ol li { margin-bottom: 10px; }
.delete-card ol li ul { margin-top: 6px; }

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(10,14,26,.9);
  padding: 32px 24px;
  text-align: center;
}
.footer-inner { max-width: 860px; margin: 0 auto; }
.footer-logo {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 16px;
  margin-bottom: 10px; color: var(--text-primary);
}
.footer-copy {
  color: var(--text-muted); font-size: 13px;
  margin-bottom: 4px;
}
.footer-copy a { color: var(--text-link); text-decoration: none; }
.footer-copy a:hover { text-decoration: underline; }
.footer-note { color: rgba(136,150,179,.5); font-size: 12px; }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .header-inner { padding: 12px 16px; }
  .hero { padding: 48px 16px 36px; }
  .main { padding: 0 16px 64px; }
  .card { padding: 18px 18px; }
  .tabs { flex-wrap: wrap; border-radius: 16px; }
  .tab { padding: 8px 16px; font-size: 13px; }
  .doc-header { flex-direction: column; align-items: flex-start; gap: 6px; }
}