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

:root {
  --bg: #0f0f0f;
  --surface: #181818;
  --surface-2: #212121;
  --border: #2c2c2c;
  --text: #e2e2e2;
  --muted: #888;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --danger: #f87171;
  --danger-hover: #ef4444;
  --radius: 10px;
  --radius-sm: 6px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:not(:disabled):hover {
  background: var(--accent-hover);
}

.btn-remove {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 6px 12px;
  font-size: 13px;
}

.btn-remove:hover {
  background: var(--danger);
  color: #fff;
}

/* ── Gate ── */
#email-gate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.gate-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.logo-mark {
  font-size: 40px;
  margin-bottom: 10px;
}

.gate-card h1 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.gate-subtitle {
  color: var(--muted);
  margin-bottom: 28px;
  font-size: 14px;
}

.gate-card form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.gate-card label {
  font-size: 13px;
  color: var(--muted);
  display: block;
  margin-bottom: 4px;
}

.gate-card input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
}

.gate-card input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
}

.gate-card .btn-primary {
  width: 100%;
  padding: 11px;
  font-size: 15px;
}

/* ── Header ── */
.app-header {
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: 820px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-weight: 700;
  font-size: 16px;
}

.header-email {
  font-size: 13px;
  color: var(--muted);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Layout ── */
.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 24px 60px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ── Banner ── */
.banner-warning {
  background: #2a1a00;
  border: 1px solid #7a4500;
  color: #f5a623;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
}

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 18px;
}

.section-sub {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 22px 0;
}

section > h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 14px;
}

/* ── Medication list ── */
.empty-state {
  color: var(--muted);
  font-size: 14px;
  padding: 10px 0 4px;
}

.med-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.med-card:last-child {
  border-bottom: none;
}

.med-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.med-name {
  font-weight: 600;
  font-size: 15px;
}

.med-dosage {
  font-size: 13px;
  color: var(--muted);
}

.med-time {
  font-size: 13px;
  color: var(--muted);
  margin-top: 3px;
}

.next-dose-time {
  color: var(--accent);
  font-weight: 500;
}

.countdown {
  color: var(--accent);
  font-family: 'Courier New', Courier, monospace;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
}

/* ── Add med form ── */
.add-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 140px;
}

.form-group--narrow {
  flex: 0 0 130px;
  min-width: 130px;
}

.form-group label {
  font-size: 13px;
  color: var(--muted);
}

.required {
  color: var(--danger);
}

.form-group input {
  padding: 9px 11px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  width: 100%;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group input[type="time"]::-webkit-calendar-picker-indicator {
  filter: invert(0.6);
  cursor: pointer;
}

/* ── Upgrade cards ── */
.upgrade-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.upgrade-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.upgrade-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.upgrade-card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.badge-active {
  background: #052e16;
  color: var(--accent);
  border: 1px solid #166534;
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
}

.upgrade-price {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

.upgrade-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  flex: 1;
}

.upgrade-btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* ── Success page ── */
.success-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.success-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 40px;
  max-width: 480px;
  width: 100%;
  text-align: center;
}

.success-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.success-card h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
}

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

.success-card .sku-label {
  display: inline-block;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 12px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 20px;
}

.success-card .btn-primary {
  text-decoration: none;
  padding: 10px 24px;
}

.success-card .status-checking {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.success-card .status-confirmed {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 20px;
}

.success-card .status-pending {
  color: #f5a623;
  font-size: 14px;
  margin-bottom: 20px;
}

@media (max-width: 520px) {
  .gate-card,
  .success-card {
    padding: 32px 24px;
  }

  .form-row {
    flex-direction: column;
  }

  .form-group--narrow {
    flex: 1;
    min-width: 0;
  }

  .header-email {
    max-width: 120px;
  }
}