/* ==========================================
   CSS GLOBAL Y SISTEMA DE DISEÑO (DARK MODE)
   CRM Mohavision - Estilo Premium y Minimalista
   ========================================== */

:root {
  /* Paleta de Colores Metálica y Oscura */
  --bg-primary: #09090b;       /* Fondo oscuro profundo */
  --bg-secondary: #18181b;     /* Fondo de tarjetas y paneles */
  --bg-tertiary: #27272a;      /* Bordes y elementos de control */
  
  --text-primary: #f4f4f5;     /* Texto de alto contraste */
  --text-secondary: #a1a1aa;   /* Texto secundario/desvanecido */
  
  --accent-white: #ffffff;     /* Acento principal */
  --accent-gray: #3f3f46;      /* Acento secundario */

  /* Colores Semánticos Premium (Urgencia) */
  /* Activo (Verde) */
  --color-active-bg: rgba(6, 78, 59, 0.4);
  --color-active-border: #059669;
  --color-active-text: #a7f3d0;

  /* Por Vencer (Amarillo) */
  --color-warning-bg: rgba(120, 53, 15, 0.4);
  --color-warning-border: #d97706;
  --color-warning-text: #fef3c7;

  /* Vencido (Rojo) */
  --color-expired-bg: rgba(127, 29, 29, 0.4);
  --color-expired-border: #dc2626;
  --color-expired-text: #fecaca;

  /* Fuentes y Bordes */
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 20px;
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
}

/* --- Reseteo Estándar --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent; /* Quita el destello al tocar en móvil */
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Contenedor Principal (Límite de ancho para Desktop, fluido en Móvil) */
.app-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
}

/* --- Header Estilo Premium --- */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--bg-tertiary);
  margin-bottom: 24px;
}

.logo-container {
  display: flex;
  align-items: center;
}

.app-logo {
  height: 48px;
  object-fit: contain;
}

/* --- Botones --- */
button {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  outline: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--accent-white);
  color: var(--bg-primary);
  padding: 12px 24px;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary:hover, .btn-primary:active {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--bg-tertiary);
  padding: 12px 24px;
  border-radius: var(--border-radius-md);
  font-weight: 500;
}

.btn-secondary:hover, .btn-secondary:active {
  background-color: var(--bg-secondary);
  border-color: var(--text-secondary);
}

.btn-cancel {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 12px 20px;
  border-radius: var(--border-radius-md);
  font-size: 0.95rem;
  width: 100%;
}

.btn-cancel:hover {
  background-color: var(--accent-gray);
  color: var(--text-primary);
}

.btn-submit {
  background-color: var(--accent-white);
  color: var(--bg-primary);
  padding: 12px 20px;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  width: 100%;
}

.btn-submit:hover {
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  padding: 4px 8px;
}

/* --- Dashboard / Tarjetas de Métricas --- */
.dashboard-section {
  margin-bottom: 24px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 columnas en móvil */
  gap: 12px;
}

@media (min-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr); /* 4 columnas en desktop */
  }
}

.metric-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-premium);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--accent-gray);
}

.metric-card.highlight::before {
  background-color: var(--text-primary);
}

.metric-card.profit::before {
  background-color: var(--color-active-border);
}

.metric-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .metric-value {
    font-size: 1.8rem;
  }
}

.metric-sub {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.metric-help {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.green { background-color: var(--color-active-border); }
.status-dot.red { background-color: var(--color-expired-border); }

/* --- Buscador y Chips de Filtro --- */
.controls-section {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 768px) {
  .controls-section {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.search-bar-container {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.search-bar-container input {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.search-bar-container input:focus {
  border-color: var(--text-secondary);
  outline: none;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.05);
}

#btn-clear-search {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.filters-container {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.filter-chip {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--bg-tertiary);
  padding: 8px 16px;
  border-radius: var(--border-radius-lg);
  font-size: 0.85rem;
  white-space: nowrap;
}

.filter-chip.active {
  background-color: var(--accent-white);
  color: var(--bg-primary);
  border-color: var(--accent-white);
  font-weight: 600;
}

/* --- Listado de Clientes --- */
.content-section {
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  padding: 16px;
  box-shadow: var(--shadow-premium);
  position: relative;
  min-height: 200px;
}

.section-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-title-bar h2 {
  font-size: 1.2rem;
  font-weight: 600;
}

.badge-count {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 2px 10px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Adaptación responsiva básica */
.clients-wrapper {
  width: 100%;
}

.clients-table {
  display: none; /* Se oculta en móvil */
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.clients-cards-list {
  display: flex; /* Se muestra en móvil */
  flex-direction: column;
  gap: 12px;
}

/* --- Vista Móvil (Tarjetas) --- */
.client-mobile-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition-smooth);
  position: relative;
}

.client-mobile-card.urgent-expired {
  border-left: 4px solid var(--color-expired-border);
}
.client-mobile-card.urgent-warning {
  border-left: 4px solid var(--color-warning-border);
}
.client-mobile-card.urgent-active {
  border-left: 4px solid var(--color-active-border);
}

.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.card-title-block {
  display: flex;
  flex-direction: column;
}

.card-client-name {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.card-client-code {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Badge del Estado */
.status-badge {
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.status-badge.active {
  background-color: var(--color-active-bg);
  border: 1px solid var(--color-active-border);
  color: var(--color-active-text);
}

.status-badge.warning {
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning-text);
}

.status-badge.expired {
  background-color: var(--color-expired-bg);
  border: 1px solid var(--color-expired-border);
  color: var(--color-expired-text);
}

.card-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 10px;
}

.info-item {
  display: flex;
  flex-direction: column;
}

.info-label {
  color: var(--text-secondary);
  font-size: 0.75rem;
  margin-bottom: 2px;
}

.info-value {
  color: var(--text-primary);
  font-weight: 500;
}

.card-comments {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.02);
  padding: 6px 10px;
  border-radius: var(--border-radius-sm);
  border-left: 2px solid var(--accent-gray);
  margin-top: 2px;
  word-break: break-word;
}

.card-actions-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 4px;
}

/* Botones de acción móvil */
.btn-action {
  padding: 10px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  border: 1px solid var(--bg-tertiary);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-action:active {
  background-color: var(--bg-tertiary);
}

.btn-action.renew-btn {
  background-color: var(--accent-white);
  color: var(--bg-primary);
  border-color: var(--accent-white);
}

.btn-action.whatsapp-btn {
  background-color: rgba(37, 211, 102, 0.15);
  color: #25d366;
  border-color: rgba(37, 211, 102, 0.3);
}

.btn-action.whatsapp-btn:active {
  background-color: rgba(37, 211, 102, 0.3);
}

/* --- Vista Desktop (Tabla) - Solo media query --- */
@media (min-width: 768px) {
  .clients-cards-list {
    display: none;
  }
  
  .clients-table {
    display: table;
  }
  
  .clients-table th {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    padding: 12px 16px;
    border-bottom: 1px solid var(--bg-tertiary);
  }
  
  .clients-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 0.95rem;
    vertical-align: middle;
  }
  
  .clients-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.01);
  }
  
  /* Filas con borde de color según vencimiento */
  .clients-table tr.urgent-expired td:first-child {
    border-left: 3px solid var(--color-expired-border);
  }
  .clients-table tr.urgent-warning td:first-child {
    border-left: 3px solid var(--color-warning-border);
  }
  .clients-table tr.urgent-active td:first-child {
    border-left: 3px solid var(--color-active-border);
  }
  
  .table-client-info {
    display: flex;
    flex-direction: column;
  }
  
  .table-client-name {
    font-weight: 600;
    color: var(--text-primary);
  }
  
  .table-client-comment {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
    max-width: 250px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .table-actions {
    display: flex;
    gap: 6px;
  }

  .table-actions .btn-action {
    width: auto;
    padding: 6px 12px;
  }
}

/* --- Estados de Carga y Vacíos --- */
.spinner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
  color: var(--text-secondary);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--bg-tertiary);
  border-top-color: var(--accent-white);
  border-radius: 50%;
  animation: spin 1s infinite linear;
  margin-bottom: 12px;
}

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

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.empty-state p {
  margin-bottom: 16px;
}

/* --- MODALES Y CAPA SUPERPUESTA --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: flex-end; /* Abre desde abajo en móvil estilo iOS sheet */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0; /* Bordes superiores en móvil */
  width: 100%;
  max-width: 550px;
  padding: 24px;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.8);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-height: 90vh;
  overflow-y: auto;
}

@media (min-width: 768px) {
  .modal-overlay {
    align-items: center; /* Centrado en pantallas grandes */
  }
  
  .modal-card {
    border-radius: var(--border-radius-lg); /* Bordes completos */
    transform: scale(0.9);
  }
}

.modal-overlay.open .modal-card {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.btn-close-modal {
  background: none;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text-secondary);
}

/* Formulario en Modal */
.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 480px) {
  .form-group-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

input[type="text"],
input[type="tel"],
input[type="date"],
select,
textarea {
  background-color: var(--bg-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
  padding: 12px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 0.95rem;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--text-secondary);
  outline: none;
}

.field-help {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 12px;
  margin-top: 12px;
}

/* Controles de renovación */
.renewal-client-summary {
  background-color: var(--bg-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.renewal-client-name {
  font-weight: 700;
  font-size: 1.1rem;
}

.renewal-client-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.renewal-client-dates {
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 8px;
  margin-top: 6px;
}

.price-badge-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--bg-tertiary);
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  margin-bottom: 8px;
}

.price-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.price-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}