/* ============================================
   PANEL INTERNO — CSS BASE
   Variables, reset, tipografía
   ============================================ */

:root {
  /* Paleta corporativa (misma que el formulario) */
  --brand-primary: #171669;
  --brand-primary-dark: #0f0e4a;
  --brand-primary-soft: #2d2c8a;
  --brand-accent: #00cbcc;
  --brand-accent-dark: #00a8a9;
  --brand-accent-tint: #e0f9f9;

  /* Neutros */
  --ink: #1a1a1a;
  --ink-soft: #2d2d2d;
  --paper: #ffffff;
  --paper-warm: #f7f8fb;
  --paper-soft: #fafbfc;
  --paper-card: #ffffff;
  --rule: #e4e6ee;
  --rule-soft: #eef0f5;
  --muted: #5a5d72;
  --muted-soft: #8b8da0;

  /* Estados */
  --error: #c8302e;
  --error-bg: #fdecec;
  --success: #1d8f7a;
  --success-bg: #e3f7f2;
  --warning: #b8860b;
  --warning-bg: #fdf6e3;
  --info: #0f4c81;
  --info-bg: #e6f0fa;

  /* Estados de siniestro (cada uno con color propio) */
  --estado-recibido: #6b6d80;
  --estado-recibido-bg: #f0f1f5;
  --estado-revision: #b8860b;
  --estado-revision-bg: #fdf6e3;
  --estado-doc-pendiente: #c66a00;
  --estado-doc-pendiente-bg: #fdf0e1;
  --estado-aprobado: #0f7a6e;
  --estado-aprobado-bg: #d9f2ee;
  --estado-cargado: #1f5fa8;
  --estado-cargado-bg: #e1ecfa;
  --estado-cerrado: #2d6b3a;
  --estado-cerrado-bg: #e3f0e8;
  --estado-rechazado: #a8302e;
  --estado-rechazado-bg: #fce4e3;

  /* Tipografía */
  --font-display: 'Fraunces', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaciados */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  /* Radios */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(26, 26, 26, 0.04);
  --shadow-md: 0 4px 16px rgba(26, 26, 26, 0.06);
  --shadow-lg: 0 12px 40px rgba(26, 26, 26, 0.08);
  --shadow-xl: 0 24px 60px rgba(26, 26, 26, 0.12);

  /* Transiciones */
  --t-fast: 150ms ease;
  --t-med: 280ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 480ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --sidebar-width: 240px;
}

/* ============================================
   RESET
   ============================================ */

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

html {
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper-soft);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

img, svg { max-width: 100%; display: block; }
[hidden] { display: none !important; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
}

input, select, textarea {
  font: inherit;
  color: inherit;
}

/* ============================================
   BOTONES BASE
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
}

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

.btn--primary {
  background: var(--brand-primary);
  color: var(--paper);
}

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

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

.btn--ghost:hover:not(:disabled) {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.btn--danger {
  background: var(--error);
  color: var(--paper);
}

.btn--danger:hover:not(:disabled) {
  background: #a02020;
}

.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: 0.825rem;
}

/* ============================================
   OVERLAY (loading global)
   ============================================ */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  z-index: 1000;
}

.overlay__content {
  text-align: center;
}

.overlay__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--rule);
  border-top-color: var(--brand-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--space-3);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.overlay__text {
  font-size: 0.95rem;
  color: var(--muted);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast-container {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 360px;
}

.toast {
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--brand-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  animation: toast-in 0.3s ease;
}

.toast--success { border-left-color: var(--success); }
.toast--error { border-left-color: var(--error); }
.toast--warning { border-left-color: var(--warning); }

@keyframes toast-in {
  from { transform: translateX(20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast.is-leaving {
  animation: toast-out 0.3s ease forwards;
}

@keyframes toast-out {
  to { transform: translateX(20px); opacity: 0; }
}