/* =====================================================
   SISTEMA DE DISEÑO RAIGA 2025
   ===================================================== 
   
   Diseño moderno, accesible y bilingüe para gestión social
   - Colores tendencia 2025
   - Sistema bilingüe: ES (azul) + AR (verde)
   - Iconos funcionales modernos
   - Layout responsivo y cohesivo
*/

/* === VARIABLES CSS MODERNAS 2025 === */
:root {
  /* Colores primarios modernos */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Sistema bilingüe específico RAIGA */
  --idioma-tecnico: #2563eb;      /* Azul para español/técnico */
  --idioma-beneficiario: #059669; /* Verde para árabe/beneficiario */
  --bilingual-bg: #f8fafc;
  --bilingual-border: #e2e8f0;

  /* Grises modernos (neutral slate) */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Colores semánticos */
  --success: #10b981;
  --success-bg: #d1fae5;
  --warning: #f59e0b;
  --warning-bg: #fef3c7;
  --error: #ef4444;
  --error-bg: #fee2e2;
  --info: #0ea5e9;
  --info-bg: #e0f2fe;

  /* Gradientes modernos */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);

  /* Sombras sutiles 2025 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Espaciado consistente */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Tipografía moderna */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-arabic: 'Noto Sans Arabic', 'Arial Unicode MS', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Tamaños de texto */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  /* Border radius moderno */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Transiciones suaves */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* === RESET Y BASE MODERNA === */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.6;
  font-size: var(--text-base);
}

/* === SISTEMA BILINGÜE RAIGA === */
.etiqueta-bilingue {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.texto-tecnico {
  color: var(--idioma-tecnico);
  font-weight: 600;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.texto-beneficiario {
  color: var(--idioma-beneficiario);
  font-family: var(--font-arabic);
  font-size: var(--text-sm);
  direction: rtl;
  text-align: right;
  opacity: 0.8;
}

.icono-idioma {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: white;
  font-weight: bold;
}

.icono-logo {
  height: 40px;
  width: auto;
  margin-right: 8px;
  vertical-align: middle;
}

.icono-idioma.tecnico {
  background: var(--idioma-tecnico);
}

.icono-idioma.beneficiario {
  background: var(--idioma-beneficiario);
}

/* === LAYOUT MODERNO === */
.contenedor-moderno {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6);
}

.grid-moderno {
  display: grid;
  gap: var(--space-6);
}

.grid-2-cols {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3-cols {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4-cols {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* === TARJETAS MODERNAS === */
.tarjeta-moderna {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}

.tarjeta-moderna:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.tarjeta-glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* === BOTONES MODERNOS 2025 === */
.boton-moderno {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px; /* Accesibilidad táctil */
}

.boton-primario {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.boton-primario:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.boton-secundario {
  background: white;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.boton-secundario:hover:not(:disabled) {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.boton-success {
  background: var(--gradient-success);
  color: white;
}

.boton-outline {
  background: transparent;
  border: 2px solid var(--primary-500);
  color: var(--primary-600);
}

.boton-outline:hover:not(:disabled) {
  background: var(--primary-500);
  color: white;
}

.boton-moderno:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.boton-icono {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--gray-500);
  transition: all var(--transition-fast);
  min-width: 36px;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.boton-icono:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

/* === CAMPOS DE FORMULARIO MODERNOS === */
.campo-moderno {
  position: relative;
  margin-bottom: var(--space-5);
}

.entrada-moderna {
  width: 100%;
  padding: var(--space-4) var(--space-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-family: inherit;
  transition: all var(--transition-fast);
  background: white;
  color: var(--gray-800);
}

.entrada-moderna:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.entrada-moderna:disabled {
  background: var(--gray-50);
  color: var(--gray-500);
  cursor: not-allowed;
}

.entrada-moderna.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.entrada-con-icono {
  padding-left: var(--space-12);
}

.icono-campo {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: var(--text-lg);
  pointer-events: none;
}

.mensaje-error {
  color: var(--error);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.mensaje-ayuda {
  color: var(--gray-500);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

/* === ICONOS MODERNOS FUNCIONALES === */
.icono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 16px;
}

.icono-persona::before { content: "👤"; }
.icono-documento::before { content: "📄"; }
.icono-telefono::before { content: "📞"; }
.icono-email::before { content: "📧"; }
.icono-casa::before { content: "🏠"; }
.icono-familia::before { content: "👨‍👩‍👧‍👦"; }
.icono-ayuda::before { content: "🤝"; }
.icono-dinero::before { content: "💰"; }
.icono-comida::before { content: "🍽️"; }
.icono-salud::before { content: "🏥"; }
.icono-calendario::before { content: "📅"; }
.icono-buscar::before { content: "🔍"; }
.icono-editar::before { content: "✏️"; }
.icono-guardar::before { content: "💾"; }
.icono-eliminar::before { content: "🗑️"; }
.icono-config::before { content: "⚙️"; }
.icono-estadisticas::before { content: "📊"; }
.icono-usuario::before { content: "👨‍💼"; }
.icono-sistema::before { content: "🔧"; }

/* === ESTADOS Y BADGES === */
.badge-moderno {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.badge-error {
  background: var(--error-bg);
  color: var(--error);
}

.badge-info {
  background: var(--info-bg);
  color: var(--info);
}

/* === NAVEGACIÓN MODERNA === */
.nav-tabs-moderna {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: var(--space-6);
  gap: var(--space-2);
}

.tab-moderna {
  padding: var(--space-3) var(--space-6);
  border: none;
  background: transparent;
  color: var(--gray-600);
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: all var(--transition-fast);
  position: relative;
}

.tab-moderna:hover {
  color: var(--gray-800);
  background: var(--gray-50);
}

.tab-moderna.activa {
  color: var(--primary-600);
  background: white;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.05);
}

.tab-moderna.activa::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-500);
}

/* === LOADING MODERNO === */
.spinner-moderno {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-200);
  border-top: 2px solid var(--primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* === RESPONSIVO MODERNO === */
@media (max-width: 768px) {
  .contenedor-moderno {
    padding: var(--space-4);
  }
  
  .grid-2-cols,
  .grid-3-cols,
  .grid-4-cols {
    grid-template-columns: 1fr;
  }
  
  .texto-beneficiario {
    font-size: var(--text-xs);
  }
  
  .nav-tabs-moderna {
    flex-wrap: wrap;
  }
  
  .boton-moderno {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-4);
  }
}

/* === ANIMACIONES SUTILES === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.4s ease-out;
}

/* === ACCESIBILIDAD === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus visible moderno */
*:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* === UTILIDADES === */
.text-center { text-align: center; }
.text-right { text-align: right; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.w-full { width: 100%; }
.h-full { height: 100%; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }