/* ================================================================
   Callsheet Design System
   Derived from upstairsatthegatehouse.com + isaacbd.com
   See DESIGN.md for full documentation.
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Mukta:wght@400;500;600;700&family=Barlow+Condensed:wght@700&display=swap');

/* ── Tokens ──────────────────────────────────────────────────── */
:root {
  --brand-navy:    #222E50;
  --brand-blue:    #439ABF;
  --brand-pink:    #FE00C1;

  --color-bg:      #FFFFFF;
  --color-surface: #F7F8FA;
  --color-border:  #E2E6EA;
  --color-text:    #222E50;
  --color-muted:   #6B7280;

  --color-success: #448B37;
  --color-warning: #F0DB0E;
  --color-error:   #F1494C;
  --color-info:    #439ABF;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 100px;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Mukta', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}

/* Subtle dot texture — from isaacbd.com */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(var(--brand-navy) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.03;
  pointer-events: none;
  z-index: 0;
}

h1, h2, h3 {
  font-family: 'Barlow Condensed', 'Mukta', sans-serif;
  font-weight: 700;
  color: var(--brand-navy);
  margin: 0 0 var(--space-4);
  line-height: 1.2;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 var(--space-4); }
a { color: var(--brand-pink); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ──────────────────────────────────────────────────── */
.page-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

.container--wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

/* ── Header / Nav ────────────────────────────────────────────── */
.site-header {
  background: var(--brand-navy);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--brand-pink);
  letter-spacing: 0.06em;
  text-decoration: none;
}
.site-logo span {
  font-weight: 400;
  color: rgba(255,255,255,0.70);
  font-size: 0.8em;
  margin-left: 8px;
  letter-spacing: 0.02em;
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-md);
  font-family: 'Mukta', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.12s ease, filter 0.12s ease, background 0.12s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary   { background: var(--brand-pink); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); }

.btn-secondary { background: transparent; color: var(--brand-navy); border: 2px solid var(--brand-navy); }
.btn-secondary:hover { background: var(--brand-navy); color: #fff; }

.btn-ghost     { background: transparent; color: var(--color-muted); border: 1px solid var(--color-border); }
.btn-ghost:hover { border-color: var(--color-muted); }

.btn-danger    { background: var(--color-error); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); }

.btn-sm        { min-height: 36px; padding: var(--space-1) var(--space-4); font-size: 0.875rem; }
.btn-full      { width: 100%; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: 0 2px 8px rgba(34,46,80,0.06);
}

.card + .card { margin-top: var(--space-4); }

.card-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-navy);
  margin: 0 0 var(--space-2);
}

/* Shift card */
.shift-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  margin-bottom: var(--space-3);
  transition: border-color 0.15s;
}
.shift-card.shift-booked   { border-color: var(--brand-blue); background: #EFF8FF; }
.shift-card.shift-full     { opacity: 0.6; }
.shift-card.shift-assigned { opacity: 0.6; }
.shift-card.shift-closed   { opacity: 0.45; }

.shift-show  { font-weight: 700; font-size: 1.05rem; color: var(--brand-navy); }
.shift-dt    { font-size: 0.9rem; color: var(--color-muted); }
.shift-notes { font-size: 0.85rem; color: var(--brand-navy); background: #FFF9E6; border-left: 3px solid var(--color-warning); padding: 6px 10px; border-radius: 4px; }
.shift-row   { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; }

/* Confirm inline (expand) */
.confirm-inline {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.confirm-inline.show { display: flex; }
.confirm-inline p { margin: 0; font-size: 0.9rem; color: var(--color-muted); }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group   { margin-bottom: var(--space-4); }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: var(--space-1); color: var(--brand-navy); }
.form-hint    { font-size: 0.8rem; color: var(--color-muted); margin: var(--space-1) 0 0; }

input, select, textarea {
  width: 100%;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: 'Mukta', sans-serif;
  font-size: 1rem;
  transition: border-color 0.15s;
  appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand-pink);
  box-shadow: 0 0 0 3px rgba(254,0,193,0.12);
}
textarea { min-height: 88px; resize: vertical; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  vertical-align: middle;
}
.badge-pending  { background: #FEF3C7; color: #92400E; }
.badge-active   { background: #D1FAE5; color: #065F46; }
.badge-suspended{ background: #FEE2E2; color: #991B1B; }
.badge-full     { background: #FEE2E2; color: #991B1B; }
.badge-booked   { background: #DBEAFE; color: #1E40AF; }
.badge-assigned { background: #EDE9FE; color: #5B21B6; }
.badge-soon     { background: #F3F4F6; color: #6B7280; }
.badge-super    { background: #222E50; color: #fff; }
.badge-manager  { background: #E0E7FF; color: #3730A3; }
.badge-completed{ background: #D1FAE5; color: #065F46; }

/* ── Tables ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th {
  text-align: left;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  padding: var(--space-2) var(--space-3);
  border-bottom: 2px solid var(--color-border);
}
td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--color-surface); }

/* ── Tabs (admin panel) ──────────────────────────────────────── */
.tab-list {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tab-list::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: var(--space-3) var(--space-6);
  font-family: 'Mukta', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}
.tab-btn.active { color: var(--brand-pink); border-bottom-color: var(--brand-pink); }
.tab-btn:hover:not(.active) { color: var(--brand-navy); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Alerts / notices ────────────────────────────────────────── */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-bottom: var(--space-4);
}
.alert-error   { background: #FEE2E2; color: #991B1B; border-left: 4px solid var(--color-error); }
.alert-success { background: #D1FAE5; color: #065F46; border-left: 4px solid var(--color-success); }
.alert-info    { background: #DBEAFE; color: #1E40AF; border-left: 4px solid var(--color-info); }
.alert-warning { background: #FEF3C7; color: #92400E; border-left: 4px solid var(--color-warning); }

/* ── Loading / skeleton ──────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, #E2E6EA 25%, #F7F8FA 50%, #E2E6EA 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-md);
  height: 1em;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--brand-pink);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: var(--space-8) auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Utility ─────────────────────────────────────────────────── */
.text-muted   { color: var(--color-muted); }
.text-center  { text-align: center; }
.text-sm      { font-size: 0.875rem; }
.mt-4         { margin-top: var(--space-4); }
.mt-6         { margin-top: var(--space-6); }
.mt-8         { margin-top: var(--space-8); }
.mb-4         { margin-bottom: var(--space-4); }
.mb-6         { margin-bottom: var(--space-6); }
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2        { gap: var(--space-2); }
.gap-4        { gap: var(--space-4); }
.w-full       { width: 100%; }
.hidden       { display: none !important; }

/* ── Pink accent bar (used in admin header) ──────────────────── */
.accent-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--brand-pink), #7f1dff);
}

/* ── Section label ───────────────────────────────────────────── */
.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

/* ── Pending highlight band ──────────────────────────────────── */
.pending-band {
  background: #FEF3C7;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}
.pending-band h3 { color: #92400E; margin-bottom: var(--space-4); }

/* ── Volunteer row (admin panel) ─────────────────────────────── */
.vol-row {
  cursor: pointer;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.12s;
}
.vol-row:hover { background: var(--color-surface); }
.vol-detail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

/* ── Shift toggle switch ─────────────────────────────────────── */
.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 24px;
  transition: background 0.2s;
  cursor: pointer;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--brand-pink); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }
.toggle-label { margin-left: 8px; font-size: 0.9rem; font-weight: 500; color: var(--color-text); }

/* ── Shifts calendar ─────────────────────────────────────────── */
.cal-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}
.cal-month-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-navy);
  min-width: 160px;
}
.cal-dow-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 2px;
}
.cal-dow {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  text-align: center;
  padding: var(--space-1) 0;
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.cal-cell {
  min-height: 80px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.cal-cell--empty {
  background: transparent;
  border-color: transparent;
}
.cal-cell--today { border-color: var(--brand-pink); }
.cal-day-num {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
  line-height: 1;
  margin-bottom: 2px;
}
.cal-day-num--today {
  color: var(--brand-pink);
  font-weight: 700;
}
.cal-chip {
  display: flex;
  align-items: flex-start;
  gap: 3px;
  border-radius: 4px;
  padding: 3px 5px;
  font-size: 0.7rem;
  cursor: pointer;
  transition: filter 0.1s;
  line-height: 1.3;
}
.cal-chip:hover { filter: brightness(0.92); }
.cal-chip--bookable  { background: #D1FAE5; color: #065F46; }
.cal-chip--disabled  { background: #F3F4F6; color: #6B7280; }
.cal-chip--full      { background: #FEE2E2; color: #991B1B; }
.cal-chip--assigned  { background: #EDE9FE; color: #5B21B6; }
.cal-chip-time { opacity: 0.7; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 640px) {
  .container, .container--wide { padding: var(--space-4) var(--space-3); }
  h1 { font-size: 1.6rem; }
  .card { padding: var(--space-4); }
  .site-header { padding: var(--space-3) var(--space-4); }
  .tab-btn { padding: var(--space-3) var(--space-4); }
  table { font-size: 0.8rem; }
  td, th { padding: var(--space-2); }
}