/* ========== Part 1: Variables & Reset ========== */
:root {
  --bg: #f7f8fb;
  --card-bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --secondary: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --border: #e5e7eb;
  --shadow: 0 8px 24px rgba(0,0,0,0.08);
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; display: block; }
/* ========== Part 2: Layout: Container & Card ========== */
.container {
  max-width: 960px;
  margin: 20px auto;
  padding: 0 16px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.card h1, .card h2 {
  margin-top: 0;
  font-size: 1.6rem;
}
/* ========== Part 3: Navigation ========== */
.navbar {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar .brand {
  font-weight: 700;
  color: var(--text);
}

.navbar .nav-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
/* ========== Part 4: Buttons ========== */
.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.02s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-align: center;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { filter: brightness(1.05); }

.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { filter: brightness(1.05); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.05); }

.btn-outline { background: #fff; color: var(--text); border-color: var(--border); }
.btn-outline:hover { background: #f9fafb; }

.btn-sm { padding: 7px 10px; font-size: 0.9rem; border-radius: 7px; }
.btn-lg { padding: 12px 18px; font-size: 1rem; border-radius: 10px; }

.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap; /* mobile-friendly */
}
/* ========== Part 5: Alerts & Badges ========== */
.alert {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #f9fafb;
  margin-bottom: 15px;
  font-weight: 500;
}

.alert.success { background: #ecfdf5; border-color: #d1fae5; color: #065f46; }
.alert.error   { background: #fef2f2; border-color: #fee2e2; color: #991b1b; }
.alert.info    { background: #eff6ff; border-color: #dbeafe; color: #1e3a8a; }

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.85rem;
  background: #eef2ff;
  color: #3730a3;
}
/* ========== Part 6: Forms ========== */
.form { margin-top: 10px; }

.form-group { margin-bottom: 15px; }

.form-group label {
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1em;
  background: #fff;
}

.form-group textarea { min-height: 110px; resize: vertical; }

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}
/* ========== Part 7: Table/List ========== */
.table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.table th, .table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
  font-size: 0.95rem;
}

.table th {
  background: #f9fafb;
  font-weight: 700;
}

.table tr:last-child td { border-bottom: none; }

.table .actions {
  width: 1%;
  white-space: nowrap;
}

.row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr auto;
  gap: 10px;
  align-items: center;
}

.row + .row {
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 10px;
}
/* ========== Part 8: Confirm Page ========== */
.confirm-text { font-size: 1rem; color: var(--text); }

.confirm-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.confirm-actions .btn { display: inline-block; }
/* ========== Part 9: Responsive ========== */
@media (max-width: 640px) {
  .container { margin: 12px auto; padding: 0 12px; }
  .navbar .nav-inner { padding: 8px 12px; }

  .row { grid-template-columns: 1fr; }

  .btn-group,
  .confirm-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .btn { width: auto; }
}
/* ========== Part 10: Utilities ========== */
.m-0 { margin: 0 !important; }
.mt-10 { margin-top: 10px !important; }
.mt-16 { margin-top: 16px !important; }
.mt-20 { margin-top: 20px !important; }

.text-muted { color: var(--muted); }
.center { text-align: center; }
.right { text-align: right; }

.hidden { display: none !important; }

.actions .btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.actions .btn { display: inline-block; }

/* ========== Event Grid/Card Theme ========== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.event-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

/* Hover effect */
.event-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.12);
}

/* Different background accents by event type */
.event-card.birthday { background: #a6eddc; }      /* light orange */
.event-card.wedding { background: #bcf2b9; }       /* light green */
.event-card.death { background: #ebe9e9; }         /* light red */
.event-card.anniversary { background: #eff6ff; }   /* light blue */
.event-card.graduation { background: #f5f3ff; }    /* light purple */

.event-card h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.event-meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 10px;
}

/* Action buttons inside card */
.event-actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Special badges */
.badge-today {
  background: #10b981; /* green */
  color: #fff;
}
.badge-tomorrow {
  background: #f59e0b; /* orange */
  color: #fff;
}

/* Footer styling */
.footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  padding: 16px;
  text-align: center;
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer a.link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.footer a.link:hover {
  text-decoration: underline;
}