@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --font-title: 'Plus Jakarta Sans', 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Palette: Dark Mode & Premium Indigo Theme */
  --bg-primary: #0a0b10;
  --bg-secondary: #12131a;
  --bg-tertiary: #1b1c26;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.15);
  
  --accent: #a855f7;
  --accent-hover: #9333ea;
  
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.1);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.4);
  
  --glass-bg: rgba(18, 19, 26, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-shadow: rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Gradients */
.bg-gradient {
  background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.06), transparent 45%),
              radial-gradient(circle at bottom left, rgba(99, 102, 241, 0.03), transparent 45%),
              var(--bg-primary);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-bg {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

/* Premium White Cards with Soft Shadows */
.glass-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.05), 0 10px 10px -5px rgba(15, 23, 42, 0.02);
  border-radius: 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  border-color: rgba(79, 70, 229, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 25px 30px -5px rgba(15, 23, 42, 0.08), 0 15px 15px -5px rgba(15, 23, 42, 0.04);
}

/* Inputs and Forms */
.form-input {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-body);
  padding: 0.75rem 1rem;
  border-radius: 12px;
  outline: none;
  transition: all 0.2s ease;
  width: 100%;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Style for native date inputs calendar icon in dark mode */
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1) brightness(0.9);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  display: block;
}

/* Buttons */
.btn {
  font-family: var(--font-title);
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #ffffff;
  box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 15px 20px -3px rgba(79, 70, 229, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
}

.btn-danger {
  background-color: var(--danger-light);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Micro-animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.4s ease forwards;
}

/* Slot selection style */
.slot-badge {
  cursor: pointer;
  padding: 0.75rem;
  text-align: center;
  border-radius: 12px;
  font-weight: 700;
  transition: all 0.2s ease;
  border: 1px solid var(--border);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

.slot-badge:hover:not(.disabled) {
  border-color: var(--primary);
  background-color: var(--primary-light);
  color: var(--primary);
}

.slot-badge.selected {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #ffffff;
  border-color: transparent;
}

.slot-badge.disabled {
  opacity: 0.25;
  cursor: not-allowed;
  background-color: var(--bg-tertiary);
  border-color: transparent;
}

/* ========================================================================= */
/* THEMES SYSTEM (Indigo, Emerald, Amber) */
/* ========================================================================= */

/* Emerald Theme Override */
body.theme-emerald {
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-light: rgba(16, 185, 129, 0.12);
  --accent: #06b6d4;
  --accent-hover: #0891b2;
  --border-focus: rgba(16, 185, 129, 0.4);
}
body.theme-emerald .text-indigo-400 {
  color: #10b981 !important;
}
body.theme-emerald .text-indigo-500 {
  color: #10b981 !important;
}
body.theme-emerald .bg-indigo-500\/10 {
  background-color: rgba(16, 185, 129, 0.1) !important;
}
body.theme-emerald .border-indigo-500\/20 {
  border-color: rgba(16, 185, 129, 0.2) !important;
}
body.theme-emerald .bg-indigo-600 {
  background-color: #10b981 !important;
}
body.theme-emerald .text-indigo-600 {
  color: #059669 !important;
}
body.theme-emerald .focus\:ring-indigo-500:focus {
  --tw-ring-color: #10b981 !important;
}
body.theme-emerald .shadow-indigo-600\/10 {
  box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.1), 0 2px 4px -1px rgba(16, 185, 129, 0.06) !important;
}

/* Amber Theme Override */
body.theme-amber {
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --primary-light: rgba(245, 158, 11, 0.12);
  --accent: #ec4899;
  --accent-hover: #db2777;
  --border-focus: rgba(245, 158, 11, 0.4);
}
body.theme-amber .text-indigo-400 {
  color: #f59e0b !important;
}
body.theme-amber .text-indigo-500 {
  color: #f59e0b !important;
}
body.theme-amber .bg-indigo-500\/10 {
  background-color: rgba(245, 158, 11, 0.1) !important;
}
body.theme-amber .border-indigo-500\/20 {
  border-color: rgba(245, 158, 11, 0.2) !important;
}
body.theme-amber .bg-indigo-600 {
  background-color: #f59e0b !important;
}
body.theme-amber .text-indigo-600 {
  color: #d97706 !important;
}
body.theme-amber .focus\:ring-indigo-500:focus {
  --tw-ring-color: #f59e0b !important;
}
body.theme-amber .shadow-indigo-600\/10 {
  box-shadow: 0 4px 6px -1px rgba(245, 158, 11, 0.1), 0 2px 4px -1px rgba(245, 158, 11, 0.06) !important;
}