/* Variables CSS globales - VOLTAMPER */
:root {
  --red: #CC0000;
  --red-dark: #A30000;
  --red-light: #FF3333;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --green: #10B981;
  --yellow: #F59E0B;
  --blue: #3B82F6;
}

/* Reset basico */
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
}

/* Toast de notificaciones */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  color: white;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.7s;
  max-width: 400px;
}

.toast.success { background: var(--green); }
.toast.error { background: var(--red); }
.toast.info { background: var(--blue); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* Badges de estado */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: capitalize;
}
.badge-pendiente { background: var(--gray-200); color: var(--gray-700); }
.badge-en_revision { background: #FEF3C7; color: #92400E; }
.badge-aprobada { background: #D1FAE5; color: #065F46; }
.badge-rechazada { background: #FEE2E2; color: #991B1B; }
.badge-implementada { background: #DBEAFE; color: #1E40AF; }

/* Badge de categoria */
.category-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: white;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal-content {
  background: white;
  border-radius: 12px;
  padding: 24px;
  max-width: 600px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  transform: scale(0.95);
  transition: transform 0.2s;
}
.modal-overlay.active .modal-content {
  transform: scale(1);
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--gray-300);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Boton principal */
.btn-primary {
  background: var(--red);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--red-dark); }
.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: white;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

/* Card */
.card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  padding: 20px;
}

/* Input */
.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.2s;
  outline: none;
}
.form-input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(204, 0, 0, 0.1);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

/* Tabla */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--gray-200);
}
.data-table td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--gray-100);
}
.data-table tr:hover {
  background: var(--gray-50);
}
.data-table tr.clickable {
  cursor: pointer;
}

/* Header / Navbar */
.navbar {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.navbar-brand img {
  height: 36px;
}
.navbar-brand span {
  font-weight: 700;
  font-size: 16px;
  color: var(--gray-800);
}
.navbar-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-links a {
  color: var(--gray-600);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}
.navbar-links a:hover,
.navbar-links a.active {
  background: var(--gray-100);
  color: var(--gray-900);
}
.navbar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--gray-600);
}

/* Contenido principal */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* Vacio */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-400);
}
.empty-state h3 {
  color: var(--gray-500);
  margin-bottom: 8px;
}

/* Confirm dialog */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}
.confirm-box {
  background: white;
  border-radius: 12px;
  padding: 24px;
  max-width: 400px;
  width: 90%;
  text-align: center;
}
.confirm-box p {
  margin: 0 0 20px;
  color: var(--gray-700);
}
.confirm-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}