/* ============================================================
   MAIN.CSS — Hotel Shri Gopala Dham Premium Design System
   ============================================================ */

:root {
  /* Neon Palette */
  --primary: #8B5CF6;
  --primary-glow: #6366F1;
  --secondary: #F59E0B;
  --accent: #10B981;
  --danger: #EF4444;
  --info: #0EA5E9;
  
  /* Dark Gradients */
  --bg-deep: #0B0B14;
  --bg-surface: #121221;
  --bg-card: #1C1C33;
  --bg-card-hover: #242442;
  
  /* Text */
  --text-main: #F1F1FB;
  --text-dim: #A1A1C2;
  --text-muted: #64648A;
  
  /* Structural */
  --border: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(139, 92, 246, 0.3);
  --glass: rgba(255, 255, 255, 0.03);
  
  /* Shadow & Glow */
  --shadow-neon: 0 0 20px rgba(139, 92, 246, 0.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 30px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.6;
  overflow: hidden; /* App shell scroll handling */
}

#app {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ====== TOP BAR ====== */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.page-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 24px;
  background: linear-gradient(to right, #fff, var(--text-dim));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ====== CARD SYSTEM ====== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-neon);
}

/* ====== BUTTONS ====== */
.btn {
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 13px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-glow));
  color: #fff;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
  filter: brightness(1.2);
  transform: scale(1.02);
}

.btn-secondary {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-main);
}

/* ====== BADGES ====== */
.badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.badge-available { background: rgba(16, 185, 129, 0.1); color: var(--accent); border: 1px solid var(--accent); }
.badge-occupied  { background: rgba(239, 68, 68, 0.1); color: var(--danger); border: 1px solid var(--danger); }
.badge-dirty     { background: rgba(245, 158, 11, 0.1); color: var(--secondary); border: 1px solid var(--secondary); }
.badge-maintenance{ background: rgba(14, 165, 233, 0.1); color: var(--info); border: 1px solid var(--info); }

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ====== UTILITY ====== */
.hidden { display: none !important; }
.view-page { display: none; padding: 40px; height: calc(100vh - 80px); overflow-y: auto; }
.view-page.active { display: block; animation: slideIn 0.4s ease-out; }

/* ====== MODALS ====== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  transition: opacity 0.3s;
}

.modal-content {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2001;
  width: 90%;
  max-width: 600px;
  animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.modal-header {
  padding: 24px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body { padding: 32px; max-height: 70vh; overflow-y: auto; }
.modal-footer { padding: 20px 32px; background: rgba(0,0,0,0.2); border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 12px; }

.close-btn { background: none; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; }
.close-btn:hover { color: #fff; }

/* ====== TOASTS ====== */
.toast-container {
  position: fixed;
  bottom: 40px; right: 40px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  padding: 16px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  min-width: 250px;
  border-left: 5px solid var(--primary);
  animation: slideInRight 0.3s ease-out;
}

.toast.success { border-left-color: var(--accent); }
.toast.error { border-left-color: var(--danger); }

@keyframes modalIn {
  from { opacity: 0; transform: translate(-50%, -40%) scale(0.9); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideOutRight {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(50px); }
}