/**
 * CIYDI Pro - Minimalist Clean Light Design System
 * Diseño blanco, minimalista, sobrio y de alta precisión para ingeniería y educación tecnológica.
 */

:root {
  /* Fondos y Superficies Blancas Minimalistas */
  --ciydi-space-950: #FFFFFF;
  --ciydi-space-900: #F8FAFC;
  --ciydi-space-850: #F1F5F9;
  --ciydi-space-800: #E2E8F0;
  --ciydi-space-700: #CBD5E1;
  
  /* Identidad Corporativa Oficial CIYDI (#CC4D09) */
  --ciydi-brand: #CC4D09;
  --ciydi-brand-hover: #A63B04;
  --ciydi-brand-active: #8C2E02;
  --ciydi-brand-light: rgba(204, 77, 9, 0.08);
  --ciydi-brand-border: rgba(204, 77, 9, 0.22);
  --ciydi-brand-glow: 0 4px 14px rgba(204, 77, 9, 0.35);

  /* Acentos de Ingeniería Sobria & Compatibilidad */
  --ciydi-cyan: #CC4D09;        /* Color oficial de marca CIYDI */
  --ciydi-cyan-glow: rgba(204, 77, 9, 0.15);
  --ciydi-indigo: #4F46E5;
  --ciydi-indigo-glow: rgba(79, 70, 229, 0.12);
  --ciydi-purple: #7C3AED;
  --ciydi-purple-glow: rgba(124, 58, 237, 0.12);
  --ciydi-emerald: #059669;
  --ciydi-amber: #D97706;
  --ciydi-rose: #E11D48;

  /* Textos de Alto Contraste */
  --ciydi-text-primary: #0F172A;   /* Slate 900 */
  --ciydi-text-secondary: #475569; /* Slate 600 */
  --ciydi-text-muted: #64748B;     /* Slate 500 */
  --ciydi-text-accent: #CC4D09;

  /* Superficies Blancas & Tarjetas */
  --glass-bg-subtle: #F8FAFC;
  --glass-bg-card: #FFFFFF;
  --glass-bg-elevated: #FFFFFF;
  --glass-bg-interactive: #F8FAFC;
  
  --glass-border-subtle: 1px solid #E2E8F0;
  --glass-border-prominent: 1px solid #CBD5E1;
  --glass-border-active: 1px solid #CC4D09;

  --glass-blur-sm: none;
  --glass-blur-md: none;
  --glass-blur-lg: none;

  /* Sombras Minimalistas Limpias (Micro-elevación natural) */
  --glass-specular-top: none;
  --glass-specular-ambient: none;
  --glass-shadow-soft: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
  --glass-shadow-deep: 0 10px 25px -5px rgba(0, 0, 0, 0.06), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  /* Curvas y Transiciones */
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Ocultar luces artificiales tipo IA / neón */
.ciydi-ambient-glow {
  display: none !important;
}

/* ============================================================
   COMPONENTES MINIMALISTAS EN BLANCO
   ============================================================ */

/* 1. Tarjeta Minimalista Blanca */
.ciydi-glass-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.ciydi-glass-card:hover {
  transform: translateY(-2px);
  border-color: #CBD5E1;
  box-shadow: var(--glass-shadow-deep);
}

/* 2. Barra de Navegación Minimalista */
.ciydi-glass-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #E2E8F0;
  transition: all 0.25s ease;
}

/* 3. Píldoras e Insignias Sobrias */
.ciydi-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  color: #334155;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
}

.ciydi-pill-cyan {
  background: rgba(204, 77, 9, 0.08);
  border-color: rgba(204, 77, 9, 0.22);
  color: #CC4D09;
}

.ciydi-pill-purple {
  background: #F3E8FF;
  border-color: #E9D5FF;
  color: #6B21A8;
}

.ciydi-pill-emerald {
  background: #ECFDF5;
  border-color: #A7F3D0;
  color: #047857;
}

/* 4. Botones Minimalistas */
.ciydi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
}

/* Botón Primario: Naranja Oficial Corporativo CIYDI (#CC4D09) */
.ciydi-btn-primary {
  background: #CC4D09;
  color: #FFFFFF;
  border: 1px solid #CC4D09;
  box-shadow: 0 2px 8px rgba(204, 77, 9, 0.25);
}

.ciydi-btn-primary:hover {
  background: #A63B04;
  border-color: #A63B04;
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(204, 77, 9, 0.35);
}

/* Botón Secundario: Blanco con borde fino */
.ciydi-btn-glass {
  background: #FFFFFF;
  color: #0F172A;
  border: 1px solid #E2E8F0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.ciydi-btn-glass:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
  color: #0F172A;
  transform: translateY(-1px);
}

/* 5. Inputs Minimalistas */
.ciydi-glass-input {
  width: 100%;
  padding: 10px 16px;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm);
  color: #0F172A;
  font-size: 0.9375rem;
  outline: none;
  transition: all 0.2s ease;
}

.ciydi-glass-input:focus {
  background: #FFFFFF;
  border-color: #CC4D09;
  box-shadow: 0 0 0 3px rgba(204, 77, 9, 0.15);
}

.ciydi-glass-input::placeholder {
  color: #94A3B8;
}