/* ApproveCal / CoParentSync — iOS-Styled Progressive Web App Stylesheet */

:root {
  --bg: #F2F2F7;
  --card: #FFFFFF;
  --card-subtle: #F8FAFC;
  --text: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --border: rgba(15, 23, 42, 0.09);
  --primary: #2563EB;
  --primary-soft: #DBEAFE;
  --primary-dark: #1D4ED8;
  --parent-a: #2563EB;
  --parent-a-bg: #EFF6FF;
  --parent-a-border: #BFDBFE;
  --parent-b: #0D9488;
  --parent-b-bg: #F0FDFA;
  --parent-b-border: #99F6E4;
  --success: #16A34A;
  --success-bg: #DCFCE7;
  --warning: #D97706;
  --warning-bg: #FEF3C7;
  --danger: #DC2626;
  --danger-bg: #FEE2E2;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

/* App Shell */
.app-shell {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-top: var(--safe-top);
  padding-bottom: calc(76px + var(--safe-bottom));
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(242, 242, 247, 0.88);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
}

.app-header-inner {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: var(--shadow-sm);
}

.brand-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

.app-main {
  flex: 1;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 16px;
}

/* Restrained Offline Indicator (Rule 4) */
.connectivity-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(15, 23, 42, 0.06);
  padding: 4px 10px;
  border-radius: 999px;
}

.connectivity-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #64748B;
}

/* Banners & Toasts */
.error-banner {
  background: var(--danger-bg);
  color: #991B1B;
  border: 1px solid #FCA5A5;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.toast-floater {
  position: fixed;
  bottom: calc(84px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  background: rgba(15, 23, 42, 0.92);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  max-width: 90vw;
  text-align: center;
  pointer-events: none;
}

/* Cards & Sections */
.card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.card-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin: 2px 0 0;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 18px 4px 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 15px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.08s ease, background 0.15s ease, opacity 0.15s ease;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: #E2E8F0;
  color: var(--text);
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-success {
  background: var(--success);
  color: #FFFFFF;
}

.btn-danger {
  background: var(--danger);
  color: #FFFFFF;
}

.btn-danger-soft {
  background: var(--danger-bg);
  color: var(--danger);
}

.btn-sm {
  padding: 6px 11px;
  font-size: 13px;
  border-radius: 8px;
}

.btn-block {
  width: 100%;
}

/* Badges & Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
}

.badge-parentA {
  background: var(--parent-a-bg);
  color: var(--parent-a);
  border: 1px solid var(--parent-a-border);
}

.badge-parentB {
  background: var(--parent-b-bg);
  color: var(--parent-b);
  border: 1px solid var(--parent-b-border);
}

.badge-pending {
  background: var(--warning-bg);
  color: var(--warning);
}

.badge-confirmed {
  background: var(--success-bg);
  color: var(--success);
}

.badge-declined {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-neutral {
  background: #F1F5F9;
  color: var(--text-secondary);
}

/* Form Controls */
.form-group {
  margin-bottom: 13px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.16);
  background: #FFFFFF;
  font-size: 15px;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: 2px solid var(--primary);
  border-color: transparent;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* Segmented Control */
.segmented {
  display: flex;
  background: rgba(15, 23, 42, 0.07);
  padding: 3px;
  border-radius: 11px;
  margin-bottom: 14px;
  overflow-x: auto;
}

.segmented-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.segmented-btn.active {
  background: #FFFFFF;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

/* Bottom Tab Bar */
.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-top: 1px solid var(--border);
  padding-bottom: var(--safe-bottom);
}

.tab-bar-inner {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.tab-item {
  border: none;
  background: transparent;
  padding: 8px 4px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--text-muted);
  position: relative;
}

.tab-item.active {
  color: var(--primary);
}

.tab-icon {
  font-size: 20px;
  line-height: 1;
}

.tab-label {
  font-size: 11px;
  font-weight: 600;
}

.tab-badge {
  position: absolute;
  top: 4px;
  right: calc(50% - 20px);
  background: var(--danger);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  min-width: 17px;
  height: 17px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

/* Calendar Month Grid */
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.cal-cell {
  min-height: 68px;
  border-radius: 11px;
  padding: 6px;
  border: 1.5px solid transparent;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  position: relative;
  user-select: none;
  transition: transform 0.08s ease;
}

.cal-cell:active {
  transform: scale(0.96);
}

.cal-cell.parentA {
  background: var(--parent-a-bg);
  border-color: var(--parent-a-border);
}

.cal-cell.parentB {
  background: var(--parent-b-bg);
  border-color: var(--parent-b-border);
}

.cal-cell.outside {
  opacity: 0.35;
}

.cal-cell.today {
  box-shadow: 0 0 0 2px var(--text);
}

.cal-cell.selected {
  box-shadow: 0 0 0 2.5px var(--primary);
}

.cal-day-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 700;
}

.cal-owner-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 5px;
}

.cal-cell.parentA .cal-owner-pill {
  background: var(--parent-a);
  color: #FFFFFF;
}

.cal-cell.parentB .cal-owner-pill {
  background: var(--parent-b);
  color: #FFFFFF;
}

.cal-markers {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  font-size: 10px;
  margin-top: 4px;
}

/* Agenda & List Rows */
.agenda-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.agenda-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 13px;
  border-radius: 12px;
  background: var(--card-subtle);
  border: 1px solid var(--border);
  cursor: pointer;
}

.agenda-row:hover {
  background: #F1F5F9;
}

.late-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.late-pill {
  border: 1px solid var(--border);
  background: var(--card-subtle);
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.late-pill:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

/* Modal / Sheet Overlay */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(15, 23, 42, 0.48);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
}

@media (min-width: 640px) {
  .modal-backdrop {
    align-items: center;
  }
}

.modal-sheet {
  background: var(--card);
  width: 100%;
  max-width: 560px;
  max-height: 90dvh;
  overflow-y: auto;
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow-md);
}

/* Pattern Painter Strip */
.pattern-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin: 10px 0;
}

.pattern-day-btn {
  padding: 10px 4px;
  border-radius: 10px;
  border: 1.5px solid transparent;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.pattern-day-btn.parentA {
  background: var(--parent-a-bg);
  border-color: var(--parent-a);
  color: var(--parent-a);
}

.pattern-day-btn.parentB {
  background: var(--parent-b-bg);
  border-color: var(--parent-b);
  color: var(--parent-b);
}

/* Balance Progress Bar */
.balance-bar {
  height: 14px;
  border-radius: 999px;
  background: var(--parent-b);
  overflow: hidden;
  display: flex;
  margin: 10px 0;
}

.balance-bar-fill-a {
  background: var(--parent-a);
  height: 100%;
}

/* Print Styles */
@media print {
  .app-header, .tab-bar, .no-print {
    display: none !important;
  }
  .app-shell {
    padding: 0;
  }
  .card {
    box-shadow: none;
    border: 1px solid #CBD5E1;
    break-inside: avoid;
  }
}

/* 3-month overview */
.quarter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}
.mini-month-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 6px;
}
.mini-weekdays,
.mini-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}
.mini-weekdays span {
  font-size: 10.5px;
  color: var(--text-muted);
  text-align: center;
}
.mini-day {
  position: relative;
  border: 0;
  border-radius: 6px;
  padding: 5px 0;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
}
.mini-day.parentA { background: var(--parent-a-bg); color: var(--parent-a); }
.mini-day.parentB { background: var(--parent-b-bg); color: var(--parent-b); }
.mini-day.holiday { outline: 1.5px dashed var(--text-muted); outline-offset: -2px; }
.mini-day.today { box-shadow: 0 0 0 2px var(--text); }
.mini-day i {
  position: absolute;
  top: 2px;
  right: 3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--warning);
}

/* Holiday planner strip: one segment per day, coloured by who has the children */
.holiday-strip {
  display: flex;
  gap: 2px;
  height: 14px;
}
.holiday-day {
  flex: 1;
  border-radius: 3px;
}
.holiday-day.parentA { background: var(--parent-a); }
.holiday-day.parentB { background: var(--parent-b); }

.segmented { overflow-x: auto; flex-wrap: nowrap; }
.segmented-btn { white-space: nowrap; }