:root {
  --primary: #2c4a3e;
  --primary-light: #3f6b58;
  --bg: #f5f4f0;
  --card: #ffffff;
  --border: #ddd8ce;
  --text: #2a2a28;
  --muted: #7a756c;
  --accent: #b08d57;
  --danger: #b3452c;
  --ok: #3f7a4e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hero {
  position: relative;
  padding: 64px 20px 40px;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(160deg, var(--primary) 0%, #1e352c 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.hero-inner { position: relative; }
.hero .mark {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border: 1.5px solid rgba(255,255,255,0.55);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  padding-bottom: 2px;
}
.hero .sigma-label {
  font-family: Georgia, "Times New Roman", serif;
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  letter-spacing: 5px;
  margin-bottom: 20px;
}
.hero .eyebrow {
  color: rgba(255,255,255,0.5);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.hero h1 {
  font-size: 23px;
  color: #fff;
  margin: 0 0 6px;
  font-weight: 700;
  letter-spacing: 1px;
}
.hero .tagline {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
}

#app-body {
  max-width: 480px;
  margin: 0 auto;
  padding: 28px 16px 60px;
  position: relative;
}

.who-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 24px;
}
.who-pill {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
}
.who-pill b { color: var(--primary); }
.who-pill button {
  border: none;
  background: none;
  color: var(--muted);
  text-decoration: underline;
  cursor: pointer;
  font-size: 12px;
  padding: 0;
}

.login-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  margin-bottom: 28px;
  box-shadow: 0 8px 24px rgba(30,53,44,0.08);
}
.login-box .login-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-align: center;
}
.login-box input {
  width: 100%;
  padding: 11px 12px;
  margin-bottom: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: var(--bg);
}
.login-box input:focus { outline: none; border-color: var(--primary); }
.login-box button {
  width: 100%;
  padding: 11px;
  border: none;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 1px;
  margin-top: 4px;
}
.login-box button:hover { background: var(--primary-light); }
.login-error { color: var(--danger); font-size: 13px; margin-top: 8px; min-height: 16px; text-align: center; }

.cards-label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 2px;
  margin: 0 2px 12px;
  text-transform: uppercase;
  font-weight: 600;
}
.cards {
  display: grid;
  gap: 12px;
}
.card-link {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 2px rgba(30,53,44,0.04);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.card-link:hover {
  border-color: var(--primary);
  box-shadow: 0 10px 24px rgba(30,53,44,0.1);
  transform: translateY(-2px);
}
.card-icon {
  position: relative;
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary);
  color: #f1ece0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.notif-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--card);
}
.notif-badge.notif-update { background: var(--ok); }
.notif-badge[hidden] { display: none; }
.card-body { flex: 1; min-width: 0; }
.card-title { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.card-desc { font-size: 12px; color: var(--muted); }
.card-arrow { color: var(--border); font-size: 20px; flex: none; }

.footer-note {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  margin-top: 32px;
  letter-spacing: 0.5px;
}