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

:root {
  --bg: #fef9ee;
  --card: #ffffff;
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fef3c7;
  --secondary: #8b5cf6;
  --secondary-light: #ede9fe;
  --accent: #ec4899;
  --text: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --sleep-bg: #ede9fe;
  --sleep-border: #c4b5fd;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.08);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  min-height: 100dvh; -webkit-tap-highlight-color: transparent;
  line-height: 1.5;
}

/* ── PIN ── */
.pin-screen {
  display: flex; align-items: center; justify-content: center;
  min-height: 100dvh; padding: 20px;
  animation: fadeIn 0.4s ease;
}
.pin-card {
  background: var(--card); border-radius: 28px; padding: 48px 32px 40px;
  text-align: center; box-shadow: var(--shadow-lg);
  width: 100%; max-width: 340px;
}
.pin-icon { font-size: 72px; margin-bottom: 8px; }
.pin-card h1 {
  font-size: 36px; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 4px;
}
.pin-card p { color: var(--text-light); margin-bottom: 24px; font-size: 15px; }
.pin-card input {
  width: 100%; padding: 16px; border: 2px solid var(--border); border-radius: 14px;
  font-size: 28px; text-align: center; letter-spacing: 10px; margin-bottom: 16px;
  background: var(--border-light); transition: var(--transition);
}
.pin-card input:focus { outline: none; border-color: var(--primary); background: white; }
.error { color: var(--danger); font-size: 14px; font-weight: 600; margin-top: 12px; }

/* ── Header ── */
header { text-align: center; padding: 24px 16px 12px; }
header h1 {
  font-size: 28px; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ── Week ── */
.week-nav {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  padding: 8px 16px 16px;
}
.week-label { font-size: 16px; font-weight: 700; min-width: 120px; text-align: center; }
.nav-btn {
  width: 44px; height: 44px; border: 2px solid var(--border); border-radius: 14px;
  background: white; font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); color: var(--text);
}
.nav-btn:hover { border-color: var(--text-muted); }
.nav-btn:active { background: var(--border-light); transform: scale(0.95); }

.week-list { display: flex; flex-direction: column; gap: 6px; padding: 0 16px 24px; }

.day-btn {
  display: flex; align-items: center; gap: 14px; text-align: left;
  padding: 14px 16px; border: 2px solid var(--border); border-radius: 14px;
  background: white; cursor: pointer; transition: var(--transition); width: 100%;
  box-shadow: var(--shadow);
}
.day-btn:active { transform: scale(0.98); }
.day-btn .day-left {
  display: flex; flex-direction: column; align-items: center; min-width: 44px;
  padding-right: 12px; border-right: 2px solid var(--border);
}
.day-btn .day-name {
  font-size: 11px; font-weight: 700; color: var(--text-light);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.day-btn .day-num { font-size: 24px; font-weight: 800; line-height: 1.2; }
.day-btn .day-info { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.day-btn .day-summary-line {
  font-size: 13px; color: var(--text-light);
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
}
.day-btn .day-empty { font-size: 13px; color: var(--text-muted); }
.day-btn.is-today { border-color: var(--primary); background: var(--primary-light); }
.day-btn.is-today .day-num { color: var(--primary-dark); }
.day-btn.is-today .day-name { color: var(--primary-dark); }
.day-btn.is-today .day-left { border-right-color: var(--primary); }

/* ── Day Header ── */
.day-header {
  display: flex; align-items: center; gap: 12px;
  padding: 16px; position: sticky; top: 0; background: var(--bg); z-index: 100;
}
.day-header h2 { font-size: 18px; font-weight: 700; }

/* ── Timeline ── */
.timeline { padding: 0 16px 0 24px; min-height: 100px; position: relative; }
.timeline::before {
  content: ''; position: absolute; left: 47px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline:empty::before { display: none; }
.timeline-empty { text-align: center; padding: 32px 16px; color: var(--text-light); font-size: 14px; }

.event-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 14px 12px 0; position: relative;
  animation: slideIn 0.25s ease;
}
.event-item .event-dot {
  width: 12px; height: 12px; border-radius: 50%; background: var(--primary);
  border: 2px solid var(--bg); flex-shrink: 0; margin-top: 4px; z-index: 1;
}
.event-item.sleep .event-dot,
.event-item.type-night .event-dot,
.event-item.type-nap .event-dot { background: var(--secondary); }
.event-item.type-wakeup .event-dot { background: var(--warning); }
.event-item.type-awake .event-dot { background: var(--danger); }
.event-item.type-bottle .event-dot { background: #60a5fa; }
.event-item.type-bite .event-dot { background: var(--success); }
.event-item.type-poop .event-dot { background: #92400e; }

.event-item .event-card {
  flex: 1; background: var(--card); border-radius: 14px; box-shadow: var(--shadow);
  padding: 12px 16px; position: relative; transition: var(--transition);
}
.event-item .event-card.tappable { cursor: pointer; }
.event-item .event-card.tappable:active { transform: scale(0.98); background: var(--border-light); }
.event-item.sleep .event-card,
.event-item.type-night .event-card,
.event-item.type-nap .event-card { background: var(--sleep-bg); border: 1px solid var(--sleep-border); }
.event-item .event-time {
  font-size: 13px; font-weight: 700; color: var(--text-light);
  min-width: 40px; padding-top: 5px; flex-shrink: 0; text-align: right;
}
.event-item .event-icon { font-size: 18px; }
.event-item .event-label { font-size: 15px; font-weight: 600; }
.event-item .event-detail { font-size: 12px; color: var(--text-light); margin-top: 2px; }
.event-item .delete-btn {
  background: none; border: none; font-size: 14px; cursor: pointer;
  padding: 4px 8px; border-radius: 8px; color: var(--text-muted);
  position: absolute; top: 8px; right: 8px; transition: var(--transition);
}
.event-item .delete-btn:hover { color: var(--danger); background: var(--danger-light); }

/* ── Sleep block (with start + end time) ── */
.event-item.sleep-block {
  display: flex; align-items: stretch; gap: 12px;
  padding: 0 14px 0 0; position: relative;
}
.sleep-block .block-times {
  display: flex; flex-direction: column; justify-content: space-between;
  min-width: 44px; text-align: right; padding: 12px 0;
}
.sleep-block .block-line {
  display: flex; flex-direction: column; align-items: center; padding: 12px 0;
}
.sleep-block .block-bar {
  flex: 1; width: 3px; background: var(--sleep-border); border-radius: 2px;
}
.sleep-block .block-line .event-dot { flex-shrink: 0; }
.sleep-block .event-card {
  flex: 1; background: var(--sleep-bg); border: 1px solid var(--sleep-border);
  border-radius: 14px; box-shadow: var(--shadow); padding: 12px 16px;
  margin: 4px 0; display: flex; flex-direction: column; justify-content: center;
  position: relative; min-height: 64px;
}

/* ── Badges ── */
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; margin-left: 6px;
}
.badge.good { background: var(--success-light); color: var(--success); }
.badge.medium { background: var(--primary-light); color: var(--primary-dark); }
.badge.bad { background: var(--danger-light); color: var(--danger); }

/* ── Add event ── */
.add-event-row { padding: 8px 16px 24px; }
.add-event-btn { font-size: 15px; }

/* ── Overlay ── */
.overlay {
  position: fixed; inset: 0; background: var(--bg); z-index: 200;
  overflow-y: auto; animation: slideUp 0.25s ease;
}
.overlay-header {
  display: flex; align-items: center; gap: 12px;
  padding: 16px; position: sticky; top: 0; background: var(--bg); z-index: 201;
}
.overlay-header h2 { font-size: 18px; font-weight: 700; }

/* ── Type grid ── */
.type-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.type-btn {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 14px 4px; border: 2px solid var(--border); border-radius: 14px;
  background: white; cursor: pointer; transition: var(--transition);
  font-size: 12px; font-weight: 600; color: var(--text);
}
.type-btn .type-icon { font-size: 28px; }
.type-btn.active { border-color: var(--primary); background: var(--primary-light); }
.type-btn:active { transform: scale(0.95); }

/* ── Forms ── */
.card {
  background: var(--card); border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow);
}
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 12px; font-weight: 600; color: var(--text-light);
  margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px;
}
.hint { font-weight: 400; text-transform: none; letter-spacing: 0; }
.checkbox-label {
  display: flex !important; align-items: center; gap: 10px; cursor: pointer;
  text-transform: none !important; letter-spacing: 0 !important; font-size: 15px !important;
}
.checkbox-label input[type="checkbox"] {
  width: 22px; height: 22px; accent-color: var(--primary); flex-shrink: 0;
}

input[type="time"], input[type="number"], input[type="text"], textarea {
  width: 100%; padding: 12px 14px; border: 2px solid var(--border); border-radius: 12px;
  font-size: 16px; font-family: inherit; background: var(--border-light);
  -webkit-appearance: none; transition: var(--transition);
}
input:focus, textarea:focus { outline: none; border-color: var(--primary); background: white; }

.rating-group { display: flex; gap: 8px; }
.rating-btn {
  flex: 1; padding: 12px; border: 2px solid var(--border); border-radius: 12px;
  background: white; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: var(--transition); color: var(--text);
}
.rating-btn:active { transform: scale(0.97); }
.rating-btn.active[data-rating="good"] { border-color: var(--success); background: var(--success-light); color: var(--success); }
.rating-btn.active[data-rating="medium"] { border-color: var(--warning); background: var(--primary-light); color: var(--primary-dark); }
.rating-btn.active[data-rating="bad"] { border-color: var(--danger); background: var(--danger-light); color: var(--danger); }

/* ── Veggie grid ── */
.veggie-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.veggie-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 12px 4px; border: 2px solid var(--border); border-radius: 12px;
  background: white; cursor: pointer; transition: var(--transition);
}
.veggie-btn:active { transform: scale(0.95); }
.veggie-btn.selected { border-color: var(--success); background: var(--success-light); }
.veggie-btn .icon { font-size: 28px; }
.veggie-btn .name { font-size: 10px; color: var(--text-light); font-weight: 500; }

/* ── Buttons ── */
.btn {
  width: 100%; padding: 14px; border: none; border-radius: 14px;
  font-size: 16px; font-weight: 700; cursor: pointer; transition: var(--transition);
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white; box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}
.btn-secondary { background: var(--secondary); color: white; }
.btn-outline {
  background: white; border: 2px solid var(--border); color: var(--text);
}
.btn-outline:hover { border-color: var(--text-muted); }
.btn-link {
  background: none; border: none; color: var(--secondary); font-size: 13px;
  font-weight: 600; cursor: pointer; padding: 8px;
}

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 300; padding: 20px; animation: fadeIn 0.2s ease;
}
.modal-content {
  width: 100%; max-width: 360px;
  animation: scaleIn 0.25s ease;
}

/* ── Open night banner ── */
.open-night-banner {
  margin: 0 16px 12px; padding: 16px 18px;
  background: var(--sleep-bg); border: 2px solid var(--sleep-border); border-radius: var(--radius);
  transition: var(--transition);
}
.open-night-banner.tappable { cursor: pointer; }
.open-night-banner.tappable:active { transform: scale(0.98); background: #ddd6fe; }
.open-night-banner h4 { font-size: 14px; margin-bottom: 4px; }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: white; padding: 12px 24px; border-radius: 14px;
  font-size: 14px; font-weight: 600; z-index: 1000;
  animation: toastIn 0.3s ease; box-shadow: var(--shadow-lg);
}
.toast.hiding { animation: toastOut 0.3s ease forwards; }

/* ── Animations ── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideIn { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(16px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; } }

/* ── Utility ── */
.flex-row { display: flex; gap: 8px; }
.flex-row > * { flex: 1; }
.mt-sm { margin-top: 8px; }
.mb-sm { margin-bottom: 8px; }