/* GSF Mobile UX - Estilos responsivos para todos los dispositivos */
/* Incluir con: <link rel="stylesheet" href="/mobile.css"> */

/* ===== BASE RESPONSIVE ===== */
* {
  -webkit-tap-highlight-color: transparent;
  -webkit-overflow-scrolling: touch;
}

/* ===== TABLET (600-1024px) ===== */
@media (min-width: 601px) and (max-width: 1024px) {
  body { font-size: 15px; }
  
  .header { padding: 12px 20px; }
  .header h2 { font-size: 18px; }
  
  .grid { grid-template-columns: repeat(3, 1fr) !important; }
  
  .kpi-row { grid-template-columns: repeat(4, 1fr) !important; }
  
  .lista { padding: 12px 20px; }
  
  .item, .doc-item, .product-card {
    padding: 12px 16px;
    margin: 4px 12px;
    border-radius: 12px;
  }
  
  input, select, textarea {
    font-size: 15px;
    padding: 10px 14px;
  }
}

/* ===== TABLET HORIZONTAL / ESCRITORIO PEQUEÑO (1025px+) ===== */
@media (min-width: 1025px) {
  body { 
    font-size: 14px; 
    max-width: 1200px; 
    margin: 0 auto; 
  }
  
  .header { 
    padding: 14px 24px; 
    border-radius: 0 0 16px 16px;
  }
  .header h2 { font-size: 20px; }
  
  .grid { grid-template-columns: repeat(4, 1fr) !important; }
  
  .kpi-row { grid-template-columns: repeat(6, 1fr) !important; }
  
  .lista { padding: 16px 24px; }
  
  .item, .doc-item, .product-card {
    padding: 10px 16px;
    margin: 3px 0;
    border-radius: 10px;
    transition: transform .15s, box-shadow .15s;
  }
  .item:hover, .doc-item:hover, .product-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
  
  input, select, textarea {
    font-size: 14px;
    padding: 8px 12px;
  }
  
  /* Scrollbar fina */
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
}

/* ===== MÓVIL (hasta 600px) ===== */
@media (max-width: 600px) {
  body { font-size: 16px !important; }
  
  /* Touch targets - mínimo 44px */
  .btn, button, a.card, .tab, .item, [onclick] {
    min-height: 44px;
  }
  
  /* Inputs más grandes (evita zoom en iOS) */
  input, select, textarea {
    font-size: 16px !important;
    padding: 12px 14px !important;
    border-radius: 10px !important;
  }
  
  /* Cards táctiles */
  .item, .doc-item, .product-card {
    padding: 14px !important;
    margin: 4px 8px !important;
    border-radius: 12px !important;
  }
  
  /* Header compacto */
  .header { padding: 10px 12px !important; }
  .header h2 { font-size: 16px !important; }
  
  /* Tabs grandes */
  .tabs { margin: 6px 8px !important; border-radius: 10px !important; }
  .tab { padding: 12px 6px !important; font-size: 13px !important; }
  
  /* Grid 2 columnas */
  .grid { grid-template-columns: repeat(2, 1fr) !important; gap: 8px !important; padding: 8px !important; }
  
  /* Modal full-width */
  .modal-content { max-width: 95vw !important; padding: 20px !important; margin: 10px !important; }
  
  /* KPI compacto */
  .kpi-row { grid-template-columns: repeat(3, 1fr) !important; gap: 6px !important; padding: 6px 8px !important; }
  .kpi-card { padding: 10px !important; }
  .kpi-card .val { font-size: 18px !important; }
  
  /* Ocultar scrollbar */
  ::-webkit-scrollbar { width: 4px; }
  
  /* Barra inferior fija */
  .bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 8px 12px;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
    border-top: 1px solid #e5e7eb;
    z-index: 100;
    display: flex;
    gap: 8px;
  }
  .bottom-bar button {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
  }
  
  /* Pull to refresh */
  .pull-indicator { text-align: center; padding: 10px; color: #94a3b8; font-size: 12px; }
}

/* ===== PANTALLA MUY PEQUEÑA (menos de 360px) ===== */
@media (max-width: 360px) {
  body { font-size: 14px !important; }
  .header h2 { font-size: 14px !important; }
  .grid { grid-template-columns: 1fr 1fr !important; gap: 4px !important; }
  .kpi-row { grid-template-columns: repeat(2, 1fr) !important; }
  .item, .doc-item { padding: 10px !important; margin: 3px 4px !important; }
}

/* ===== ORIENTACIÓN ===== */
@media (orientation: landscape) and (max-height: 500px) {
  .header { padding: 6px 12px !important; }
  .header h2 { font-size: 14px !important; }
  .lista { padding-bottom: 60px !important; }
  .bottom-bar { padding: 4px 12px !important; }
  .bottom-bar button { padding: 8px !important; font-size: 13px !important; }
}

/* ===== DARK MODE (opcional) ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;
    --card: #1e293b;
    --text: #f1f5f9;
    --text-light: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
  }
}

/* ===== SAFE AREA (notch) ===== */
@supports (padding: env(safe-area-inset-top)) {
  .header { padding-top: max(14px, env(safe-area-inset-top)) !important; }
  .bottom-bar { padding-bottom: max(8px, env(safe-area-inset-bottom)) !important; }
}