/* =====================================================
   SISTEMA DE REGISTRO DE EXPOSICIÓN - ESTILOS
   ===================================================== */

:root {
  --primary: #1a237e;
  --primary-light: #3949ab;
  --primary-dark: #0d1642;
  --accent: #00bfa5;
  --accent-dark: #008e76;
  --bg: #f5f7fa;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-light: #546e7a;
  --text-muted: #90a4ae;
  --border: #e0e6ed;
  --success: #2e7d32;
  --success-bg: #e8f5e9;
  --warning: #f57f17;
  --warning-bg: #fff8e1;
  --error: #c62828;
  --error-bg: #ffebee;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.2s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* HEADER */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
}

/* FOOTER */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: auto;
}

/* REGISTRO */
.registro-main {
  flex: 1;
  padding: 2rem 1rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.registro-container {
  width: 100%;
  max-width: 720px;
}

.registro-header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.logo-icon svg {
  width: 32px;
  height: 32px;
}

.logo-header {
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-header img {
  max-width: 100%;
  max-height: 150px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
}

.registro-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 0.25rem;
}

.subtitle {
  color: var(--text-light);
  font-size: 0.95rem;
}

.registro-form {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.form-section {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
  border-bottom: none;
}

.form-section h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--bg-card);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* CHECKBOXES */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
  margin-top: 2px;
  flex-shrink: 0;
}

/* CHIPS / SOLUCIONES */
.soluciones-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.chip-label {
  cursor: pointer;
}

.chip-label input {
  display: none;
}

.chip-label span {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: 0.875rem;
  transition: var(--transition);
}

.chip-label input:checked + span {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* CONSENTIMIENTO */
.consentimiento-section {
  background: var(--warning-bg);
  border-bottom: none;
}

.consentimiento {
  align-items: flex-start;
}

.consentimiento-text {
  font-size: 0.875rem;
  color: var(--text);
}

.consentimiento-enlace {
  color: var(--primary-light);
  text-decoration: underline;
}

/* BOTONES */
.btn-submit {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin: 1.5rem;
  width: calc(100% - 3rem);
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26, 35, 126, 0.3);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--bg);
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
}

.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--primary-light);
}

/* MENSAJES */
.mensaje-error {
  background: var(--error-bg);
  color: var(--error);
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin: 0 1.5rem 1rem;
  font-size: 0.9rem;
  border-left: 4px solid var(--error);
}

.mensaje-exito {
  background: var(--success-bg);
  color: var(--success);
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  border-left: 4px solid var(--success);
}

/* MODAL */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 450px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.modal-small {
  max-width: 380px;
}

.modal-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.modal-icon svg {
  width: 36px;
  height: 36px;
}

.modal-content h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary-dark);
}

.modal-content p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.codigo-box {
  background: var(--bg);
  border: 2px dashed var(--primary-light);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin: 1rem 0;
}

.codigo-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.codigo-valor {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
}

.modal-note {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1.5rem;
}

/* CONFIRMACION */
.confirmacion-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.confirmacion-container {
  text-align: center;
  max-width: 500px;
}

.confirmacion-icon {
  width: 96px;
  height: 96px;
  margin: 0 auto 1.5rem;
  background: var(--success-bg);
  color: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.confirmacion-icon svg {
  width: 48px;
  height: 48px;
}

.confirmacion-container h1 {
  font-size: 2rem;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}

.confirmacion-gracias {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.confirmacion-note {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* LOGIN */
.login-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.login-container {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  width: 100%;
  max-width: 400px;
}

.login-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-header h1 {
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.login-form .btn-submit {
  margin: 1rem 0 0;
  width: 100%;
}

.captcha-img {
  display: block;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 0.5rem;
}

/* ADMIN */
.admin-main {
  flex: 1;
  padding: 1.5rem;
}

.admin-container {
  max-width: 1400px;
  margin: 0 auto;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-header h1 {
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.admin-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-link {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}

.nav-link:hover {
  background: var(--bg);
  color: var(--primary);
}

.nav-link.active {
  background: var(--primary);
  color: white;
}

.nav-link.logout {
  color: var(--error);
}

.nav-link.logout:hover {
  background: var(--error-bg);
}

.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.busqueda-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.busqueda-form input,
.busqueda-form select {
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: inherit;
}

.busqueda-form input {
  min-width: 250px;
}

.btn-buscar {
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
}

.toolbar-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-exportar {
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  text-decoration: none;
}

.btn-nuevo {
  padding: 0.5rem 1rem;
  background: var(--success);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  text-decoration: none;
  font-weight: 500;
}

.btn-nuevo:hover {
  background: #1b5e20;
}

.total-registros {
  margin-bottom: 0.75rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

/* TABLA */
.table-container {
  overflow-x: auto;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 100%;
}

.admin-table tbody tr {
  cursor: pointer;
  transition: background 0.15s;
}

.admin-table tbody tr:hover {
  background: #e8eaf6;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.admin-table th {
  background: var(--bg);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--text);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.admin-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  white-space: nowrap;
}

.admin-table tr:hover {
  background: var(--bg);
}

.no-datos {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem !important;
}

.codigo-badge {
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.status-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

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

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

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

.status-disabled {
  background: var(--bg);
  color: var(--text-muted);
}

.btn-accion {
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
}

.btn-accion.ver {
  background: var(--primary);
  color: white;
}

.acciones-grupo {
  display: flex;
  gap: 0.375rem;
}

.btn-accion.eliminar {
  background: var(--error);
  color: white;
  border: none;
  cursor: pointer;
}

.btn-accion.eliminar:hover {
  background: #b71c1c;
}

/* PAGINACION */
.paginacion {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn-pag {
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  font-size: 0.875rem;
  transition: var(--transition);
}

.btn-pag:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagina-info {
  color: var(--text-light);
  font-size: 0.875rem;
}

/* DETALLE */
.detalle-main {
  flex: 1;
  padding: 1.5rem;
}

.detalle-container {
  max-width: 1000px;
  margin: 0 auto;
}

.detalle-header {
  margin-bottom: 1.5rem;
}

.btn-volver {
  display: inline-block;
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.detalle-header h1 {
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.detalle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.detalle-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.detalle-card h2 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
}

.detalle-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.detalle-field .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.detalle-field .valor {
  font-size: 0.95rem;
  color: var(--text);
}

.detalle-field .valor.codigo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.error-text {
  color: var(--error);
  font-size: 0.85rem;
}

.detalle-actions {
  text-align: center;
}

.btn-eliminar {
  padding: 0.75rem 1.5rem;
  background: var(--error);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.btn-eliminar:hover {
  background: #b71c1c;
}

/* CONFIGURACION */
.config-main {
  flex: 1;
  padding: 1.5rem;
}

.config-container {
  max-width: 900px;
  margin: 0 auto;
}

.config-form {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.form-actions-top {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.config-section {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.config-section:last-of-type {
  border-bottom: none;
}

.config-section h2 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.section-header h2 {
  margin-bottom: 0;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
}

.toggle-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--success);
}

.section-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.btn-guardar-section {
  padding: 0.625rem 1.25rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.btn-guardar-section:hover {
  background: var(--primary-light);
}

.btn-test {
  padding: 0.625rem 1.25rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 0.5rem;
}

.btn-test:hover {
  background: var(--accent-dark);
}

.test-result {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  display: none;
}

.test-result.success {
  display: block;
  background: var(--success-bg);
  color: var(--success);
}

.test-result.error {
  display: block;
  background: var(--error-bg);
  color: var(--error);
}

/* LOGO (configuración) */
.logo-preview {
  min-height: 140px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.logo-preview img {
  max-width: 100%;
  max-height: 160px;
  object-fit: contain;
}

.logo-preview-vacio {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* POLÍTICA DE PRIVACIDAD */
.politica-main {
  flex: 1;
  padding: 2rem 1rem;
  display: flex;
  justify-content: center;
}

.politica-container {
  width: 100%;
  max-width: 820px;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem;
}

.politica-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.politica-logo img {
  max-height: 90px;
  max-width: 100%;
  object-fit: contain;
}

.politica-titulo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 1.5rem;
  text-align: center;
}

.politica-subtitulo {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  margin: 1.25rem 0 0.75rem;
}

.politica-parrafo {
  margin-bottom: 1rem;
  color: var(--text);
}

.politica-salir {
  margin-top: 2rem;
  text-align: center;
}

/* ERROR PAGE */
.error-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.error-container {
  text-align: center;
}

.error-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  background: var(--error-bg);
  color: var(--error);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-icon svg {
  width: 40px;
  height: 40px;
}

.error-container h1 {
  font-size: 1.5rem;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .admin-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-toolbar {
    flex-direction: column;
  }

  .busqueda-form {
    width: 100%;
  }

  .busqueda-form input {
    min-width: auto;
    flex: 1;
  }

  .detalle-grid {
    grid-template-columns: 1fr;
  }

  .registro-header h1 {
    font-size: 1.5rem;
  }

  .admin-table {
    font-size: 0.8rem;
  }

  .admin-table th,
  .admin-table td {
    padding: 0.5rem;
  }
}

@media (max-width: 480px) {
  .registro-main {
    padding: 1rem 0.5rem;
  }

  .form-section {
    padding: 1rem;
  }

  .btn-submit {
    margin: 1rem;
    width: calc(100% - 2rem);
  }

  .soluciones-grid {
    gap: 0.375rem;
  }

  .chip-label span {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
  }

  .modal-content {
    padding: 1.5rem;
  }

  .codigo-valor {
    font-size: 1.5rem;
  }
}

/* PRINT */
@media print {
  .admin-nav, .footer, .header {
    display: none;
  }
}