:root {
  --green: #2e7d32;
  --green-light: #4caf50;
  --green-dark: #1b5e20;
  --red: #c62828;
  --red-light: #ef5350;
  --bg: #f5f5f5;
  --card: #ffffff;
  --text: #212121;
  --text-secondary: #616161;
  --border: #e0e0e0;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 480px;
  padding: 16px;
}

/* ── Header ─────────────────────────────────────────────── */

header {
  text-align: center;
  padding: 24px 0 16px;
}

header h1 {
  font-size: 1.75rem;
  color: var(--green-dark);
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* ── Cards ──────────────────────────────────────────────── */

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 16px;
}

.card h2 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--green-dark);
}

/* ── Forms ──────────────────────────────────────────────── */

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
  margin-top: 12px;
}

label:first-of-type {
  margin-top: 0;
}

input[type='tel'],
input[type='text'],
input[type='password'],
textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  transition: border-color 0.15s;
  font-family: inherit;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}

button {
  display: block;
  width: 100%;
  padding: 14px 20px;
  margin-top: 16px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--green);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
}

button:hover {
  background: var(--green-dark);
}

button:active {
  transform: scale(0.98);
}

button.secondary {
  background: var(--bg);
  color: var(--text);
  border: 1.5px solid var(--border);
}

button.secondary:hover {
  background: var(--border);
}

.hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

.error {
  color: var(--red);
}

/* ── Notification banner ────────────────────────────────── */

.notification-banner {
  padding: 10px 14px;
  border-radius: 8px;
  margin-top: 12px;
  font-size: 0.9rem;
}

.notification-banner.ok {
  background: #e8f5e9;
  color: var(--green-dark);
}

.notification-banner.warn {
  background: #fff3e0;
  color: #e65100;
}

/* ── Checkbox group ─────────────────────────────────────── */

.checkbox-group {
  max-height: 200px;
  overflow-y: auto;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  margin-top: 4px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0;
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
}

.checkbox-group input[type='checkbox'] {
  width: 18px;
  height: 18px;
  accent-color: var(--green);
}

.checkbox-group .select-all {
  font-weight: 600;
  color: var(--green-dark);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
  margin-bottom: 4px;
}

/* ── User list (admin) ──────────────────────────────────── */

.user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  gap: 8px;
  flex-wrap: wrap;
}

.user-row:last-child {
  border-bottom: none;
}

.user-info {
  flex: 1;
  min-width: 120px;
}

.user-phone {
  font-weight: 600;
}

.user-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.approved {
  background: #e8f5e9;
  color: var(--green-dark);
}

.badge.pending {
  background: #fff3e0;
  color: #e65100;
}

.badge.group-regular  { background: #e8f5e9; color: #2e7d32; }
.badge.group-sub      { background: #fff8e1; color: #f57f17; }
.badge.group-priority { background: #fce4ec; color: #c62828; }

.user-actions {
  display: flex;
  gap: 6px;
}

.user-actions button {
  width: auto;
  margin: 0;
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-approve {
  background: var(--green);
}

.btn-reject {
  background: var(--red-light);
}

.btn-reject:hover {
  background: var(--red);
}

/* ── Event list (admin) ─────────────────────────────────── */

.event-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.event-row:last-child {
  border-bottom: none;
}

.event-title {
  font-weight: 600;
}

.event-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.event-tally {
  margin-top: 4px;
  font-size: 0.85rem;
}

.rsvp-detail {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

.rsvp-detail .yes {
  color: var(--green-dark);
}

.rsvp-detail .no {
  color: var(--red);
}

/* ── RSVP buttons ───────────────────────────────────────── */

.rsvp-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.rsvp-yes {
  background: var(--green) !important;
  font-size: 1.15rem !important;
  padding: 18px !important;
}

.rsvp-no {
  background: var(--bg) !important;
  color: var(--text) !important;
  border: 2px solid var(--border) !important;
  font-size: 1.15rem !important;
  padding: 18px !important;
}

/* ── RSVP card ──────────────────────────────────────────── */

.rsvp-card {
  margin-top: 40px;
  text-align: center;
}

.rsvp-card h2 {
  font-size: 1.5rem;
}

/* ── Footer ─────────────────────────────────────────────── */

footer {
  text-align: center;
  padding: 16px 0 32px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

footer a {
  color: var(--green);
  text-decoration: none;
}

/* ── Toast ─────────────────────────────────────────────── */

.toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  animation: toast-in 0.3s ease-out, toast-out 0.3s ease-in forwards;
  animation-delay: 0s, 5.7s;
  pointer-events: auto;
  max-width: 90vw;
  text-align: center;
}

.toast.success { background: var(--green); }
.toast.error   { background: var(--red); }
.toast.info    { background: #1565c0; }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(20px); }
}

/* ── Responsive touches ─────────────────────────────────── */

@media (max-width: 360px) {
  .card {
    padding: 16px;
  }
  header h1 {
    font-size: 1.4rem;
  }
}