/* CSS Design System for Room Income Management App */
:root {
  --font-main: 'Prompt', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Kanit', sans-serif;

  /* Theme Base Colors */
  --bg-app: #f4f6fb;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --border-color: #e2e8f0;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  /* Primary Brand Colors */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eeeffe;
  
  /* Status Colors */
  --success: #10b981;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --warning: #f59e0b;
  
  /* Room Color Tokens (Orange, Purple, Yellow, Pink, Cyan/Blue, Green) */
  --c-orange: #f97316;
  --c-orange-dark: #ea580c;
  --c-orange-bg: #fff7ed;

  --c-purple: #9333ea;
  --c-purple-dark: #7e22ce;
  --c-purple-bg: #faf5ff;

  --c-yellow: #d97706;
  --c-yellow-dark: #b45309;
  --c-yellow-bg: #fffbeb;

  --c-pink: #ec4899;
  --c-pink-dark: #db2777;
  --c-pink-bg: #fdf2f8;

  --c-blue: #0284c7;
  --c-blue-dark: #0369a1;
  --c-blue-bg: #f0f9ff;

  --c-green: #10b981;
  --c-green-dark: #059669;
  --c-green-bg: #ecfdf5;

  /* Shadows & Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08), 0 10px 10px -5px rgba(0,0,0,0.04);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  padding: 1.5rem;
  min-height: 100vh;
}

.app-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Header */
.app-header {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
  color: #ffffff;
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fbbf24;
}

.app-header h1 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.subtitle {
  font-size: 0.85rem;
  color: #c7d2fe;
  font-weight: 300;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cycle-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: 0.9rem;
}

.cycle-selector select.form-select-thai {
  background: #ffffff;
  color: var(--text-main);
  border: none;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}

.cycle-selector select.form-select-thai option {
  background: #ffffff;
  color: var(--text-main);
  font-weight: 500;
}

/* Period Banner */
.period-banner {
  background: #ffffff;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-left: 5px solid var(--primary);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.period-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.text-primary {
  color: var(--primary);
}

.switch-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  user-select: none;
}

.switch-label input {
  display: none;
}

.slider {
  width: 42px;
  height: 22px;
  background-color: #cbd5e1;
  border-radius: 20px;
  position: relative;
  transition: 0.3s;
}

.slider::before {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 3px;
  background-color: white;
  border-radius: 50%;
  transition: 0.3s;
}

.switch-label input:checked + .slider {
  background-color: var(--primary);
}

.switch-label input:checked + .slider::before {
  transform: translateX(20px);
}

/* Dashboard Cards */
.dashboard-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid var(--border-color);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.card-grand-total {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  border: none;
}
.card-grand-total .card-icon {
  background: rgba(251, 191, 36, 0.2);
  color: #fbbf24;
}
.card-grand-total .card-title { color: #94a3b8; }
.card-grand-total .card-value { color: #facc15; }
.card-grand-total .card-subtext { color: #cbd5e1; }

.card-home .card-icon { background: #e0e7ff; color: #4338ca; }
.card-agoda .card-icon { background: #dbeafe; color: #1d4ed8; }
.card-days .card-icon { background: #d1fae5; color: #047857; }

.card-content {
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0.15rem 0;
}

.card-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Legend */
.room-legend {
  background: var(--surface);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  font-size: 0.85rem;
}

.legend-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.legend-title {
  font-weight: 600;
  color: var(--text-main);
  margin-right: 0.3rem;
}

.badge {
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* Color Classes for Rooms & AGODA */
.room-h1, .room-a1 { color: var(--c-orange-dark); background-color: var(--c-orange-bg); border-color: var(--c-orange); }
.room-h2, .room-a2 { color: var(--c-purple-dark); background-color: var(--c-purple-bg); border-color: var(--c-purple); }
.room-h3, .room-a3 { color: var(--c-yellow-dark); background-color: var(--c-yellow-bg); border-color: var(--c-yellow); }
.room-h4, .room-a4 { color: var(--c-pink-dark); background-color: var(--c-pink-bg); border-color: var(--c-pink); }
.room-h5, .room-a5 { color: var(--c-blue-dark); background-color: var(--c-blue-bg); border-color: var(--c-blue); }
.room-h6, .room-a6 { color: var(--c-green-dark); background-color: var(--c-green-bg); border-color: var(--c-green); }

/* Vertical divider between HOME 6 and AGODA 1 */
.calendar-table th.room-h6,
.calendar-table td.room-h6 {
  border-right: 2px solid #475569 !important;
}

/* Table Container & Sticky Header */
.table-container {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.table-responsive {
  overflow-x: auto;
  max-height: 65vh;
  overflow-y: auto;
}

.calendar-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.85rem;
  text-align: center;
}

.calendar-table th, .calendar-table td {
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid #f1f5f9;
}

.calendar-table thead th {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: #0f172a;
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.3px;
  white-space: nowrap;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Th Room Header Color Borders */
th.room-h1 { border-top: 3px solid var(--c-orange); }
th.room-h2 { border-top: 3px solid var(--c-purple); }
th.room-h3 { border-top: 3px solid var(--c-yellow); }
th.room-h4 { border-top: 3px solid var(--c-pink); }
th.room-h5 { border-top: 3px solid var(--c-blue); }
th.room-h6 { border-top: 3px solid var(--c-green); }

th.room-a1 { border-top: 3px solid var(--c-orange); background: #1e293b; }
th.room-a2 { border-top: 3px solid var(--c-purple); background: #1e293b; }
th.room-a3 { border-top: 3px solid var(--c-yellow); background: #1e293b; }
th.room-a4 { border-top: 3px solid var(--c-pink); background: #1e293b; }
th.room-a5 { border-top: 3px solid var(--c-blue); background: #1e293b; }
th.room-a6 { border-top: 3px solid var(--c-green); background: #1e293b; }

.sticky-col {
  position: sticky;
  left: 0;
  z-index: 11;
  background-color: #ffffff;
  font-weight: 600;
}

thead th.sticky-col {
  z-index: 20;
  background-color: #0f172a;
}

.first-col {
  min-width: 105px;
  text-align: center;
}

.date-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
}

.date-cell .day-num {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.date-cell .day-name {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Weekend highlighting */
tr.is-weekend .sticky-col {
  background-color: #fff7ed;
}

tr.is-weekend td {
  background-color: #fafafg;
}

/* Input Fields inside Table */
.cell-input {
  width: 72px;
  padding: 0.3rem 0.2rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  text-align: right;
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 500;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #ffffff;
}

.cell-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
  background: #ffffff !important;
}

.cell-input.has-value {
  font-weight: 700;
}

/* Cell Colors on focus/has value */
td.room-h1 .cell-input.has-value { color: var(--c-orange-dark); background-color: var(--c-orange-bg); border-color: #fed7aa; }
td.room-h2 .cell-input.has-value { color: var(--c-purple-dark); background-color: var(--c-purple-bg); border-color: #e9d5ff; }
td.room-h3 .cell-input.has-value { color: var(--c-yellow-dark); background-color: var(--c-yellow-bg); border-color: #fef08a; }
td.room-h4 .cell-input.has-value { color: var(--c-pink-dark); background-color: var(--c-pink-bg); border-color: #fbcfe8; }
td.room-h5 .cell-input.has-value { color: var(--c-blue-dark); background-color: var(--c-blue-bg); border-color: #bae6fd; }
td.room-h6 .cell-input.has-value { color: var(--c-green-dark); background-color: var(--c-green-bg); border-color: #a7f3d0; }

td.room-a1 .cell-input.has-value { color: var(--c-orange-dark); background-color: var(--c-orange-bg); border-color: #fed7aa; }
td.room-a2 .cell-input.has-value { color: var(--c-purple-dark); background-color: var(--c-purple-bg); border-color: #e9d5ff; }
td.room-a3 .cell-input.has-value { color: var(--c-yellow-dark); background-color: var(--c-yellow-bg); border-color: #fef08a; }
td.room-a4 .cell-input.has-value { color: var(--c-pink-dark); background-color: var(--c-pink-bg); border-color: #fbcfe8; }
td.room-a5 .cell-input.has-value { color: var(--c-blue-dark); background-color: var(--c-blue-bg); border-color: #bae6fd; }
td.room-a6 .cell-input.has-value { color: var(--c-green-dark); background-color: var(--c-green-bg); border-color: #a7f3d0; }

.note-input {
  width: 110px;
  text-align: left;
}

.daily-total-text {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
  white-space: nowrap;
}

/* Total Row */
.total-row td {
  position: sticky;
  bottom: 0;
  z-index: 12;
  background-color: #0f172a;
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  border-top: 2px solid #334155;
}

.total-row .sticky-col {
  background-color: #0f172a;
  color: #ffffff;
}

.tot-cell {
  white-space: nowrap;
}

.grand-total-cell {
  background-color: #1e1b4b !important;
  color: #facc15 !important;
  font-size: 1rem !important;
}

/* Buttons */
.btn {
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  border: none;
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background-color 0.2s, transform 0.1s;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

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

.btn-secondary { background-color: rgba(255,255,255,0.15); color: white; border: 1px solid rgba(255,255,255,0.2); }
.btn-secondary:hover { background-color: rgba(255,255,255,0.25); }

.btn-accent { background-color: #fbbf24; color: #78350f; font-weight: 600; }
.btn-accent:hover { background-color: #f59e0b; }

.btn-danger { background-color: var(--danger); color: white; }
.btn-danger:hover { background-color: #dc2626; }

.btn-danger-outline { background: transparent; border: 1px solid #ef4444; color: #ef4444; }
.btn-danger-outline:hover { background: #ef4444; color: white; }

.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
.btn-icon { padding: 0.35rem 0.45rem; border-radius: var(--radius-sm); }

.action-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

/* Form controls */
.form-input {
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.9rem;
  outline: none;
  width: 100%;
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.hidden { display: none; }

.modal-content {
  background: var(--surface);
  width: 100%;
  max-width: 800px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 1.2rem 1.5rem;
  background: #0f172a;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 { font-family: var(--font-heading); font-size: 1.15rem; }
.btn-close { background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
}

.modal-section-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.4rem;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.grid-6 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.75rem;
}

.color-tag {
  font-size: 0.75rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.25rem;
}

.color-tag.h1, .color-tag.a1 { color: var(--c-orange-dark); }
.color-tag.h2, .color-tag.a2 { color: var(--c-purple-dark); }
.color-tag.h3, .color-tag.a3 { color: var(--c-yellow-dark); }
.color-tag.h4, .color-tag.a4 { color: var(--c-pink-dark); }
.color-tag.h5, .color-tag.a5 { color: var(--c-blue-dark); }
.color-tag.h6, .color-tag.a6 { color: var(--c-green-dark); }

.border-h1 input { border-color: #fed7aa; }
.border-h2 input { border-color: #e9d5ff; }
.border-h3 input { border-color: #fef08a; }
.border-h4 input { border-color: #fbcfe8; }
.border-h5 input { border-color: #bae6fd; }
.border-h6 input { border-color: #a7f3d0; }

.border-a1 input { border-color: #fed7aa; }
.border-a2 input { border-color: #e9d5ff; }
.border-a3 input { border-color: #fef08a; }
.border-a4 input { border-color: #fbcfe8; }
.border-a5 input { border-color: #bae6fd; }
.border-a6 input { border-color: #a7f3d0; }

.modal-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-footer-right {
  display: flex;
  gap: 0.5rem;
}

.mt-4 { margin-top: 1rem; }

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #0f172a;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  z-index: 200;
  transition: opacity 0.3s, transform 0.3s;
}

.toast.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

/* Print Styles */
@media print {
  body { padding: 0; background: white; }
  .app-header, .period-banner, .header-actions, .th-actions, .td-actions, .btn-sm, .action-btns, .room-legend { display: none !important; }
  .table-responsive { max-height: none; overflow: visible; }
  .calendar-table { border: 1px solid #000; font-size: 9pt; }
  .calendar-table th, .calendar-table td { border: 1px solid #ccc; padding: 2px 4px; }
  .cell-input { border: none; background: transparent !important; }
}