/* ============================================
   Reservin — Complementary Styles (TailwindCSS CDN)
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ---- Design Tokens ---- */
:root {
  /* Primary */
  --color-primary: #3B82F6;
  --color-primary-h: 217;
  --color-primary-s: 91%;
  --color-primary-l: 60%;
  --color-primary-light: hsl(217, 91%, 70%);
  --color-primary-dark: hsl(217, 91%, 48%);
  --color-primary-bg: hsl(217, 91%, 96%);

  /* Semantic */
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;

  /* Radius */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* ---- Base ---- */
body {
  font-family: 'Inter', sans-serif;
}

::selection {
  background-color: var(--color-primary);
  color: #fff;
}

/* Focus-visible ring */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---- Custom Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 999px;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* ---- Keyframe Animations ---- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

.slide-up {
  animation: slideUp 0.4s ease forwards;
}

.scale-in {
  animation: scaleIn 0.2s ease forwards;
}

/* ---- Toast Animations ---- */
@keyframes toastEnter {
  from { opacity: 0; transform: translateY(12px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastExit {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(12px) scale(0.95); }
}

.toast-enter {
  animation: toastEnter 0.3s ease forwards;
}

.toast-exit {
  animation: toastExit 0.25s ease forwards;
}

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.2s ease forwards;
}

.modal-content {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.2s ease forwards;
  max-width: 90vw;
}

/* ---- Stepper ---- */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0;
  list-style: none;
}

.stepper-step {
  display: flex;
  align-items: center;
}

.stepper-circle {
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  border: 2px solid #e2e8f0;
  background: #fff;
  color: #94a3b8;
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.stepper-step.active .stepper-circle {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 0 4px var(--color-primary-bg);
}

.stepper-step.completed .stepper-circle {
  border-color: var(--color-success);
  background: var(--color-success);
  color: #fff;
}

.stepper-line {
  width: 3rem;
  height: 2px;
  background: #e2e8f0;
  transition: background var(--transition-normal);
}

.stepper-step.completed + .stepper-step .stepper-line,
.stepper-line.completed {
  background: var(--color-success);
}

.stepper-label {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.7rem;
  color: #94a3b8;
  text-align: center;
  font-weight: 500;
  transition: color var(--transition-normal);
}

.stepper-step.active .stepper-label {
  color: var(--color-primary);
}

.stepper-step.completed .stepper-label {
  color: var(--color-success);
}

/* ---- Stat Card ---- */
.stat-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem 1.5rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid #f1f5f9;
}

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

/* ---- Slot Button ---- */
.slot-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: #334155;
  background: #fff;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slot-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.slot-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.slot-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---- Persona Button ---- */
.persona-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid #e2e8f0;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #64748b;
  background: #fff;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.persona-btn:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  transform: scale(1.1);
}

.persona-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}