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

:root {
  --color-bg: #1a1d2e;
  --color-fg: #f5f5f7;
  --color-card: #22253a;
  --color-card-fg: #f5f5f7;
  --color-primary: #d4952a;
  --color-primary-fg: #1a1810;
  --color-primary-hover: #c08520;
  --color-secondary: #2e3148;
  --color-secondary-fg: #f5f5f7;
  --color-muted: #2a2d42;
  --color-muted-fg: #9a9db0;
  --color-accent: #3a3250;
  --color-accent-fg: #f5f5f7;
  --color-destructive: #e05040;
  --color-border: #2e3145;
  --color-input-bg: #282b3e;
  --color-input-border: #363950;
  --radius: 0.625rem;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Flash messages */
.flash-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 400px;
}

.flash-message {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-fg);
  animation: flash-in 0.3s ease-out;
}

.flash-message.error {
  border-color: var(--color-destructive);
  background: rgba(224, 80, 64, 0.15);
  color: #fca5a5;
}

.flash-message.success {
  border-color: #22c55e;
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
}

@keyframes flash-in {
  from { opacity: 0; transform: translateY(-0.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-fg);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-outline {
  background: transparent;
  color: var(--color-fg);
  border-color: var(--color-border);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-secondary);
  border-color: var(--color-muted-fg);
}

.btn-ghost {
  background: transparent;
  color: var(--color-muted-fg);
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--color-fg);
  background: var(--color-secondary);
}

.btn-destructive {
  background: transparent;
  color: var(--color-destructive);
  border: none;
  padding: 0;
  font-size: 0.75rem;
  font-weight: 500;
}

.btn-destructive:hover {
  text-decoration: underline;
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

/* Cards */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 1.5rem;
}

/* Form inputs */
.input, .textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-input-border);
  background: var(--color-input-bg);
  color: var(--color-fg);
  font-family: inherit;
  font-size: 0.875rem;
  transition: border-color 0.15s;
  outline: none;
}

.input:focus, .textarea:focus {
  border-color: var(--color-primary);
}

.input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
}

.input[type="number"] {
  -moz-appearance: textfield;
}

.textarea {
  resize: vertical;
  min-height: 4.5rem;
}

.label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-fg);
}

.label-sm {
  font-size: 0.75rem;
  color: var(--color-muted-fg);
}

/* Slot selector */
.slot-card {
  text-align: left;
  padding: 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.slot-card:hover:not(.slot-full):not(.slot-selected) {
  border-color: rgba(212, 149, 42, 0.5);
}

.slot-card.slot-selected {
  border-color: var(--color-primary);
  background: rgba(212, 149, 42, 0.1);
}

.slot-card.slot-full {
  opacity: 0.5;
  cursor: not-allowed;
}

.slot-card input[type="radio"] {
  display: none;
}

/* Utility classes */
.text-muted { color: var(--color-muted-fg); }
.text-primary { color: var(--color-primary); }
.text-destructive { color: var(--color-destructive); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-center { text-align: center; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.italic { font-style: italic; }
.w-full { width: 100%; }

/* Layout */
.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-sm {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-xs {
  max-width: 24rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Grid */
.grid-3 {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-2 {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}