/* ==========================================================================
   FORMULARIO DE CONSULTA CESFAM - DISAM ARICA
   Estilos Modernos y Accesibles
   ========================================================================== */

:root {
  /* Paleta Institucional Salud y Bienestar */
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  --primary-focus: rgba(2, 132, 199, 0.25);
  
  --navy: #0f2744;
  --navy-light: #1e3a5f;
  --navy-hover: #162e4e;

  --accent: #06b6d4;
  --accent-light: #ecfeff;

  --success: #10b981;
  --success-light: #d1fae5;
  --success-text: #065f46;

  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --warning-text: #92400e;

  --danger: #ef4444;
  --danger-light: #fee2e2;
  --danger-text: #991b1b;

  --bg-page: #f1f5f9;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --bg-subtle: #f8fafc;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-color: #cbd5e1;
  --border-subtle: #e2e8f0;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 39, 68, 0.06), 0 2px 4px rgba(15, 39, 68, 0.03);
  --shadow-lg: 0 12px 28px rgba(15, 39, 68, 0.08), 0 4px 10px rgba(15, 39, 68, 0.04);
  --shadow-xl: 0 20px 35px -8px rgba(15, 39, 68, 0.12);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reseteo básico y tipografía */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-page);
  background-image: 
    radial-gradient(at 0% 0%, rgba(2, 132, 199, 0.07) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.06) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.5;
  font-size: 15px;
  min-height: 100vh;
  padding: 24px 16px 60px;
}

/* Envoltorio principal */
.app-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

/* ==========================================================================
   CABECERA INSTITUCIONAL
   ========================================================================== */
.header-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  margin-bottom: 24px;
}

.header-banner {
  background: linear-gradient(135deg, #0f2744 0%, #0369a1 100%);
  padding: 28px 32px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.header-banner::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.header-banner-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: #ffffff;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.header-texts {
  flex: 1;
}

.institution-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  color: #e0f2fe;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.header-title {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}

.header-subtitle {
  font-size: 14px;
  color: #bae6fd;
  font-weight: 400;
  max-width: 640px;
}

/* Alerta de urgencia e instrucciones iniciales */
.header-notices {
  padding: 20px 32px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notice-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  line-height: 1.45;
}

.notice-box.info {
  background: var(--primary-light);
  color: #0369a1;
  border-left: 4px solid var(--primary);
}

.notice-box.urgent {
  background: var(--warning-light);
  color: #854d0e;
  border-left: 4px solid var(--warning);
}

.notice-icon {
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   TARJETA PRINCIPAL DEL FORMULARIO
   ========================================================================== */
.form-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
  padding: 36px 36px 44px;
  margin-bottom: 24px;
}

@media (max-width: 640px) {
  .header-banner {
    padding: 20px 20px;
  }
  .header-banner-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .header-title {
    font-size: 22px;
  }
  .header-notices {
    padding: 16px 20px;
  }
  .form-card {
    padding: 24px 18px 32px;
  }
}

/* ==========================================================================
   SECCIONES Y TITULOS DEL FORMULARIO
   ========================================================================== */
.form-section {
  margin-bottom: 32px;
  position: relative;
}

.form-section:not(:last-child)::after {
  content: "";
  display: block;
  height: 1px;
  background: linear-gradient(90deg, var(--border-subtle) 0%, transparent 100%);
  margin-top: 32px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.section-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--navy);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.3px;
}

.section-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ==========================================================================
   TARJETAS SELECTORAS INTERACTIVAS (RADIO CARDS)
   ========================================================================== */
.radio-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 12px;
}

.radio-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-subtle);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  user-select: none;
}

.radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--navy-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--border-subtle);
}

.radio-card-content {
  flex: 1;
}

.radio-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  display: block;
}

.radio-card-desc {
  font-size: 12.5px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.radio-card-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.radio-card-check::after {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: transparent;
  transition: all var(--transition-normal);
}

.radio-card:hover {
  border-color: var(--primary);
  background: #f0f9ff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.radio-card.active {
  border-color: var(--primary);
  background: #f0f9ff;
  box-shadow: 0 0 0 1px var(--primary), var(--shadow-md);
}

.radio-card.active .radio-card-icon {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.radio-card.active .radio-card-check {
  border-color: var(--primary);
  background: var(--primary);
}

.radio-card.active .radio-card-check::after {
  background: #ffffff;
}

/* ==========================================================================
   SECCIÓN DINÁMICA DE TERCEROS (DESPLEGABLE SUAVE)
   ========================================================================== */
.tercero-container {
  display: none;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  margin-top: 20px;
  animation: fadeInDown 0.3s ease-out forwards;
}

.tercero-container.visible {
  display: block;
}

.tercero-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border-color);
  color: var(--navy);
  font-size: 15px;
  font-weight: 700;
}

.tercero-banner svg {
  color: var(--accent);
}

/* ==========================================================================
   ATENCIÓN PREFERENTE (LEY 21.168) - CHIPS Y MODAL
   ========================================================================== */
.preferente-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.preferente-label {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-ley-info {
  background: transparent;
  border: 1px solid var(--primary-light);
  color: var(--primary);
  font-size: 12.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-ley-info:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

.preferente-chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 10px;
}

.preferente-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-subtle);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.preferente-chip input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
  border-radius: 4px;
}

.preferente-chip-text {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-main);
}

.preferente-chip:hover {
  border-color: var(--primary);
  background: #f0f9ff;
}

.preferente-chip.checked {
  border-color: var(--primary);
  background: #f0f9ff;
  box-shadow: 0 0 0 1px var(--primary);
}

.preferente-hint {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  display: block;
}

/* ==========================================================================
   GRID DE FORMULARIO Y CAMPOS
   ========================================================================== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px 16px;
}

.col-12 { grid-column: span 12; }
.col-8  { grid-column: span 8; }
.col-7  { grid-column: span 7; }
.col-6  { grid-column: span 6; }
.col-5  { grid-column: span 5; }
.col-4  { grid-column: span 4; }
.col-3  { grid-column: span 3; }

@media (max-width: 768px) {
  .col-8, .col-7, .col-6, .col-5, .col-4, .col-3 {
    grid-column: span 12;
  }
}

.form-group {
  position: relative;
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-label .required-badge {
  color: var(--danger);
  font-weight: 700;
  margin-left: 3px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-light);
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.form-control {
  width: 100%;
  height: 46px;
  background-color: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px 10px 42px;
  font-size: 14px;
  color: var(--text-main);
  font-family: inherit;
  transition: all var(--transition-fast);
  outline: none;
}

.form-control.no-icon {
  padding-left: 14px;
}

.form-control::placeholder {
  color: var(--text-light);
  font-size: 13.5px;
}

.form-control:hover {
  border-color: #94a3b8;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3.5px var(--primary-focus);
}

.form-control:focus ~ .input-icon {
  color: var(--primary);
}

/* Selectores estilizados */
select.form-control {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
  cursor: pointer;
}

select.form-control:focus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230284c7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}

/* Textarea estilizado */
textarea.form-control {
  height: auto;
  min-height: 110px;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.5;
}

/* Indicadores de error y ayuda */
.form-feedback {
  font-size: 12px;
  margin-top: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 18px;
}

.form-feedback.error {
  color: var(--danger-text);
  font-weight: 500;
}

.form-feedback.success {
  color: var(--success-text);
  font-weight: 500;
}

.form-control.is-invalid {
  border-color: var(--danger);
  background-color: #fffbfa;
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-control.is-valid {
  border-color: var(--success);
}

/* Contador de caracteres */
.char-counter-wrap {
  display: flex;
  justify-content: flex-end;
  margin-top: 6px;
}

.char-counter {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 2px 8px;
  border-radius: 12px;
}

.char-counter.warning {
  color: var(--warning-text);
  background: var(--warning-light);
  border-color: var(--warning);
}

.char-counter.limit {
  color: var(--danger-text);
  background: var(--danger-light);
  border-color: var(--danger);
}

/* ==========================================================================
   CARGADOR DE ARCHIVOS MODERNO (DRAG & DROP / PDF)
   ========================================================================== */
.file-upload-card {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  background: #ffffff;
  text-align: center;
  position: relative;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.file-upload-card:hover {
  border-color: var(--primary);
  background: #f0f9ff;
}

.file-upload-card input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-icon {
  font-size: 26px;
  color: var(--primary);
  margin-bottom: 6px;
}

.file-upload-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}

.file-upload-desc {
  font-size: 11.5px;
  color: var(--text-muted);
}

.file-upload-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 6px;
}

.file-preview {
  display: none;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--success-light);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-md);
  font-size: 12.5px;
  color: var(--success-text);
}

.file-preview.visible {
  display: flex;
}

.file-preview-info {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-remove-btn {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
}

.download-template-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  margin-top: 8px;
  transition: color var(--transition-fast);
}

.download-template-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ==========================================================================
   RECAPTCHA & BOTONES DE ACCIÓN
   ========================================================================== */
.submission-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
}

.recaptcha-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-subtle);
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  max-width: 100%;
  overflow-x: auto;
}

.actions-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  flex-wrap: wrap;
}

.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 50px;
  padding: 0 32px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  user-select: none;
  text-decoration: none;
}

.btn-primary-action {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
  min-width: 220px;
}

.btn-primary-action:hover:not(:disabled) {
  background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
  transform: translateY(-2px);
}

.btn-primary-action:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary-action:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary-action {
  background: #ffffff;
  color: var(--text-muted);
  border: 1.5px solid var(--border-color);
  min-width: 150px;
}

.btn-secondary-action:hover {
  background: var(--bg-subtle);
  color: var(--text-main);
  border-color: #94a3b8;
}

/* Spinner dentro del botón */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

.btn-primary-action.loading .spinner {
  display: inline-block;
}

.btn-primary-action.loading .btn-text {
  display: none;
}

.btn-primary-action.loading .btn-icon {
  display: none;
}

/* ==========================================================================
   MENSAJES DE ESTADO DE ENVÍO (TOAST/BANNER)
   ========================================================================== */
.status-banner {
  display: none;
  width: 100%;
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  margin-top: 20px;
  animation: fadeIn 0.3s ease;
  font-size: 15px;
  line-height: 1.45;
}

.status-banner.visible {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.status-banner.success {
  background: var(--success-light);
  border: 1px solid #6ee7b7;
  color: var(--success-text);
}

.status-banner.error {
  background: var(--danger-light);
  border: 1px solid #fca5a5;
  color: var(--danger-text);
}

.status-banner-icon {
  font-size: 24px;
  line-height: 1;
  flex-shrink: 0;
}

/* ==========================================================================
   MODAL DE LEY 21.168 (ATENCIÓN PREFERENTE)
   ========================================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 580px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  animation: scaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
  padding: 20px 24px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-main);
  background: var(--border-subtle);
}

.modal-body {
  padding: 24px;
  font-size: 14px;
  line-height: 1.6;
  color: #334155;
}

.modal-body p {
  margin-bottom: 14px;
}

.modal-badge-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.modal-badge-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--primary-light);
  color: #0369a1;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 13.5px;
}

.modal-footer {
  padding: 16px 24px;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
}

/* ==========================================================================
   FOOTER INSTITUCIONAL
   ========================================================================== */
.app-footer {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 24px;
}

.app-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.app-footer a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   ANIMACIONES
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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