/* APPointment - Design System con Variables CSS */

/* Variables por defecto (tema Pastel) */
:root {
  --primary-color: #FFB5C2;
  --secondary-color: #B5DEFF;
  --accent-color: #FF9EB0;
  --bg-color: #FDFDFD;
  --text-color: #1a1a2e;
  --border-color: #E2E8F0;
  --card-bg: #FFFFFF;
  --input-bg: #FFFFFF;
  --muted-text: #64748b;
  --danger-color: #DC2626;
  --success-color: #059669;
  --warning-color: #D97706;
  --info-color: #2563EB;
  --sidebar-bg: #FFB5C2;
  --header-bg: #FFB5C2;
}

/* Tema Pastel (explícito) */
.theme-pastel {
  --primary-color: #FFB5C2;
  --secondary-color: #B5DEFF;
  --accent-color: #FF9EB0;
  --bg-color: #FDFDFD;
  --text-color: #1a1a2e;
  --border-color: #E2E8F0;
  --card-bg: #FFFFFF;
  --input-bg: #FFFFFF;
  --muted-text: #64748b;
  --sidebar-bg: #FFB5C2;
  --header-bg: #FFB5C2;
}

/* Tema Elegante (CLARO - tonos dorados) */
.theme-elegant {
  --primary-color: #C9A96E;
  --secondary-color: #D4B87A;
  --accent-color: #E8D5A3;
  --bg-color: #FDF8F0;
  --text-color: #3D2E1A;
  --border-color: #E8D5A3;
  --card-bg: #FFFBF5;
  --input-bg: #FFFBF5;
  --muted-text: #8B7D5E;
  --sidebar-bg: #C9A96E;
  --header-bg: #C9A96E;
}

/* Tema Natural (CLARO - tonos verdes) */
.theme-nature {
  --primary-color: #4A7C23;
  --secondary-color: #6B9B37;
  --accent-color: #8BC34A;
  --bg-color: #F5F7F0;
  --text-color: #1B3A10;
  --border-color: #D4E0C5;
  --card-bg: #FFFFFF;
  --input-bg: #FFFFFF;
  --muted-text: #5C6B4A;
  --sidebar-bg: #4A7C23;
  --header-bg: #4A7C23;
}

/* Tema Corporativo (CLARO - tonos azules) */
.theme-corporate {
  --primary-color: #1E3A5F;
  --secondary-color: #2E5A8F;
  --accent-color: #4A8BC2;
  --bg-color: #F8FAFC;
  --text-color: #1A202C;
  --border-color: #E2E8F0;
  --card-bg: #FFFFFF;
  --input-bg: #FFFFFF;
  --muted-text: #64748B;
  --sidebar-bg: #1E3A5F;
  --header-bg: #1E3A5F;
}

/* Modo oscuro (aplica sobre cualquier tema) */
.dark {
  --bg-color: #0F172A;
  --text-color: #E2E8F0;
  --border-color: #334155;
  --card-bg: #1E293B;
  --input-bg: #1E293B;
  --muted-text: #94A3B8;
}

/* Reset y base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-color);
}

p { color: var(--muted-text); }

/* Botones */
.btn {
  display: inline-block;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 150ms ease-out;
  text-decoration: none;
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.25);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

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

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

/* Cards */
.card {
  background: var(--card-bg);
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 150ms ease-out;
}

.card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* Inputs */
input, textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: all 150ms ease-out;
  outline: none;
  background: var(--input-bg);
  color: var(--text-color);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 181, 194, 0.2);
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.375rem;
}

/* Utilidades */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.text-primary { color: var(--primary-color); }
.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

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

.py-20 { padding: 5rem 0; }
.px-6 { padding: 0 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-12 { margin-bottom: 3rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.rounded-xl { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }

.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1); }

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
}

.badge-success { background-color: #dcfce7; color: #166534; }
.badge-error { background-color: #fee2e2; color: #991b1b; }

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text-color);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-text);
  text-decoration: none;
  transition: color 150ms;
}

.nav-links a:hover { color: var(--text-color); }

.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: 6rem 1.5rem 4rem;
  text-align: center;
}

.hero h1 { font-size: 3rem; margin-bottom: 1rem; }
.hero p { font-size: 1.25rem; max-width: 600px; margin: 0 auto 2rem; }

.hover-lift:hover { transform: translateY(-2px); }
.w-full { width: 100%; }