:root {
  --bg: #f3f4f6; 
  --surface: #ffffff; 
  --border: #e5e7eb;
  --text: #111827; 
  --text-soft: #4b5563; 
  --text-faint: #9ca3af;
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  --accent-soft: #eff6ff;
  --warn: #ea580c; 
  --warn-soft: #ffedd5;
  --danger: #dc2626; 
  --danger-soft: #fee2e2;
  --ok: #059669; 
  --ok-soft: #d1fae5;
  --sidebar-bg: #111827;
  --sidebar-text: #9ca3af;
  --sidebar-hover: #1f2937;
  --radius: 12px;
  --surface-soft: #f9fafb;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --surface: #1e293b;
  --border: #334155;
  --text: #f1f5f9;
  --text-soft: #cbd5e1;
  --text-faint: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-soft: #1e3a5f;
  --warn: #fb923c;
  --warn-soft: #78350f;
  --danger: #f87171;
  --danger-soft: #7f1d1d;
  --ok: #34d399;
  --ok-soft: #064e3b;
  --sidebar-bg: #0a0f1c;
  --sidebar-text: #94a3b8;
  --sidebar-hover: #1e293b;
  --surface-soft: #0a0f1c;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  background: transparent;
  color: var(--sidebar-text);
  border: 1px solid var(--sidebar-hover);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}
.theme-toggle-btn:hover { background: var(--sidebar-hover); color: #fff; }
.theme-toggle-btn .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle-btn .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle-btn .icon-moon { display: inline; }
.theme-toggle-btn .theme-label-dark { display: none; }
[data-theme="dark"] .theme-toggle-btn .theme-label-light { display: none; }
[data-theme="dark"] .theme-toggle-btn .theme-label-dark { display: inline; }

.wisp-nav-flotante {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: 6px;
  background: var(--sidebar-bg);
  padding: 8px;
  border-radius: 999px;
  width: fit-content;
  margin: 0 auto 28px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.wisp-nav-btn {
  background: transparent;
  color: var(--sidebar-text);
  border: none;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.wisp-nav-btn:hover { color: #fff; }
.wisp-nav-btn.active { background: var(--accent); color: #fff; }
.wisp-seccion { scroll-margin-top: 76px; padding-top: 8px; padding-bottom: 40px; border-bottom: 1px solid var(--border); }
.wisp-seccion:last-child { border-bottom: none; }

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }

/* ====== LOGIN ====== */
#login-screen { background: var(--sidebar-bg); min-height: 100vh; display: none; flex-direction: column; align-items: center; justify-content: center; padding: 20px; }
.login-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px 32px; width: 100%; max-width: 360px; box-shadow: 0 10px 25px rgba(0,0,0,0.05); }
.login-empresa-pill { padding:8px 18px; font-size:13px; border-radius:20px; border:1px solid rgba(255,255,255,0.2); background:transparent; color:var(--sidebar-text); cursor:pointer; font-weight:600; font-family:inherit; }
.login-empresa-pill.active { background:var(--accent); color:#fff; border-color:var(--accent); }
.login-box h1 { font-size: 20px; font-weight: 700; margin: 0 0 6px; color: var(--accent); }
.login-box p { font-size: 14px; color: var(--text-soft); margin: 0 0 24px; }
label { display: block; font-size: 13px; font-weight: 500; color: var(--text-soft); margin-bottom: 6px; }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; background: var(--surface-soft); color: var(--text); transition: border-color 0.2s; }
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
  -webkit-text-fill-color: #111827 !important;
  caret-color: #111827;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); background: var(--surface); box-shadow: 0 0 0 3px var(--accent-soft); }

input[readonly], 
input:disabled {
  background-color: var(--surface-soft) !important;
  color: var(--text) !important;
  opacity: 0.8;
  cursor: not-allowed;
}

.field { margin-bottom: 16px; }
button { cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 600; border-radius: 8px; border: 1px solid transparent; padding: 10px 16px; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 2px 4px rgba(29, 78, 216, 0.2); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 6px rgba(29, 78, 216, 0.3); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); color: var(--accent); border-color: var(--border); }
.error-msg { background: var(--danger-soft); color: var(--danger); font-size: 13px; font-weight: 500; padding: 10px 12px; border-radius: 8px; margin-bottom: 16px; display: none; border: 1px solid #fecaca; }
.combo-busqueda { position: relative; }
.combo-dropdown { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; margin-top: 4px; max-height: 220px; overflow-y: auto; z-index: 50; box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.combo-opcion { padding: 8px 12px; font-size: 13px; cursor: pointer; }
.combo-opcion:hover { background: var(--accent-soft); }
.combo-vacio { color: var(--text-faint); cursor: default; }
.combo-vacio:hover { background: transparent; }

/* ====== LAYOUT APP (SAAS) ====== */
#app { display: none; min-height: 100vh; }

/* ESCRITORIO */
@media (min-width: 769px) {
  #app.active-app { display: grid; grid-template-columns: 260px 1fr; }
  .mobile-header { display: none; }

  #sidebar-handle { display: none !important; }
  
  #sidebar { background: var(--sidebar-bg); display: flex; flex-direction: column; padding: 24px 16px; height: 100vh; position: sticky; top: 0; overflow-y: auto; }
  #sidebar::-webkit-scrollbar { width: 6px; }
  #sidebar::-webkit-scrollbar-thumb { background: var(--sidebar-hover); border-radius: 3px; }
  #sidebar .brand { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 4px; padding: 0 12px; letter-spacing: -0.5px; }
  #sidebar .who { font-size: 12px; font-weight: 500; color: var(--sidebar-text); margin-bottom: 24px; padding: 0 12px; display: flex; align-items: center; gap: 6px;}
  #sidebar .who::before { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--ok); border-radius: 50%; }
  
  #nav { display: flex; flex-direction: column; gap: 6px; flex: 1; }
  #nav button { display: flex; align-items: center; gap: 12px; padding: 12px; color: var(--sidebar-text); background: transparent; border: none; border-radius: 8px; width: 100%; text-align: left; font-weight: 500; }
  #nav button:hover { background: var(--sidebar-hover); color: #fff; }
  #nav button.active { background: var(--accent); color: #fff; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
  #nav button svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  
  .logout-btn { display: flex; align-items: center; gap: 12px; padding: 12px; color: #f87171; background: transparent; border: none; font-weight: 500; text-align: left; border-radius: 8px; margin-top: auto; }
  .logout-btn:hover { background: rgba(220, 38, 38, 0.1); color: #fca5a5; }
  
  .main-wrapper { padding: 32px 40px; height: 100vh; overflow-y: auto; }
  #main { max-width: 1000px; margin: 0 auto; transition: max-width 0.2s; }
  #main.wide { max-width: 100%; }
}

/* MÓVIL */
@media (max-width: 768px) {
  #app.active-app { display: block; padding-bottom: 80px; }
  .mobile-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; background: var(--sidebar-bg); border-bottom: 1px solid var(--sidebar-bg); position: sticky; top: 0; z-index: 10; }
  .mobile-header .brand { font-weight: 700; font-size: 18px; color: var(--accent); }
  .mobile-header .logout-btn { font-size: 12px; color: var(--danger); background: var(--danger-soft); padding: 6px 12px; border-radius: 6px; border: none; font-weight: 600; }
  
  /* ESTA REGLA EVITA EL ZOOM AL TOCAR INPUTS EN MÓVILES */
  input, select, textarea { font-size: 16px !important; }

  #sidebar .brand, #sidebar .who, #sidebar .logout-btn { display: none; }
  #sidebar { position: fixed; bottom: 0; left: 0; right: 0; background: var(--surface); border-top: 1px solid var(--border); padding: 8px 12px; z-index: 100; box-shadow: 0 -4px 12px rgba(0,0,0,0.05); }
   #nav { 
    display: flex; 
    justify-content: flex-start; 
    overflow-x: auto; 
    gap: 12px; 
    padding-bottom: 4px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE */
  }
  #nav::-webkit-scrollbar { display: none; } /* Chrome/Safari */

  #nav button { 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    gap: 4px; 
    padding: 8px 4px; 
    font-size: 10px; 
    font-weight: 600; 
    color: var(--text-faint); 
    background: transparent; 
    border: none; 
    flex: 0 0 auto; /* Evita que se aplasten */
    width: 72px;     /* Ancho fijo para cada botón */
    border-radius: 8px; 
  }
  #nav button.active { 
    color: var(--accent); 
    background: var(--accent-soft);
  }
  #nav button svg { 
    width: 24px; 
    height: 24px; 
    stroke: currentColor; 
    fill: none; 
    stroke-width: 2; 
    stroke-linecap: round; 
    stroke-linejoin: round; 
    margin-bottom: 2px;
  }
  
  /* Ocultar el selector de empresa en el menú inferior móvil para no romper el scroll */
  .nav-empresa-selector { display: none !important; }

  #sidebar-contenido-movil { max-height: 300px; overflow: hidden; transition: max-height 0.25s ease, opacity 0.2s ease; opacity: 1; }
  #sidebar.sidebar-colapsado #sidebar-contenido-movil { max-height: 0; opacity: 0; padding-top: 0; padding-bottom: 0; }

  #sidebar-handle { 
    display: flex; 
    align-items: flex-end; 
    width: 100%; 
    padding: 0; 
    background: transparent; 
    border: none; 
    height: 30px; 
    cursor: pointer; 
    margin-top: 8px;
  }
  
  .handle-line {
    flex: 1; 
    height: 3px; 
    background-color: var(--accent);
  }

  .handle-curve {
    width: 80px;
    height: 30px;
    flex-shrink: 0; 
  }

  .handle-arrow {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: 40px 16px;
  }

  #sidebar.sidebar-colapsado .handle-arrow { 
    transform: rotate(180deg); 
  }
  
  .main-wrapper { padding: 20px 16px; }
}

/* ====== COMPONENTES INTERNOS ====== */
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.panel-head h2 { font-size: 24px; font-weight: 700; margin: 0; letter-spacing: -0.5px; }

/* Dashboard KPIs & Botones */
.dashboard-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.kpi-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: 0 2px 4px rgba(0,0,0,0.02); display: flex; flex-direction: column; gap: 8px; border-left: 4px solid var(--border); }
.kpi-card .l { font-size: 13px; font-weight: 600; color: var(--text-soft); text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-card .v { font-size: 24px; font-weight: 800; color: var(--text); }
.border-ok { border-left-color: var(--ok); }
.border-warn { border-left-color: var(--warn); }
.border-accent { border-left-color: var(--accent); }
.border-danger { border-left-color: var(--danger); }

.quick-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.qa-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 24px; border-radius: var(--radius); border: none; color: white; transition: transform 0.2s, box-shadow 0.2s; cursor: pointer; text-align: center; }
.qa-btn:hover { transform: translateY(-4px); box-shadow: 0 10px 15px rgba(0,0,0,0.1); }
.qa-btn svg { width: 32px; height: 32px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.qa-btn span { font-weight: 600; font-size: 15px; }

.bg-gradient-blue { background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%); }
.bg-gradient-orange { background: linear-gradient(135deg, #c2410c 0%, #f97316 100%); }
.bg-gradient-teal { background: linear-gradient(135deg, #0f766e 0%, #14b8a6 100%); }

/* Tablas y Listas */
.table-container { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 600px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; font-weight: 600; letter-spacing: 0.5px; color: var(--text-soft); padding: 14px 16px; border-bottom: 1px solid var(--border); background: var(--surface-soft); }
td { padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background-color: var(--surface-soft); }

.badge { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 20px; display: inline-block; }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.empty { padding: 40px 20px; text-align: center; color: var(--text-faint); font-size: 14px; font-weight: 500; background: var(--surface); border-radius: var(--radius); border: 1px dashed var(--border); }

/* Modales */
.modal-backdrop { display: none; position: fixed; inset: 0; background: rgba(17, 24, 39, 0.6); backdrop-filter: blur(4px); align-items: center; justify-content: center; padding: 16px; z-index: 1000; opacity: 0; transition: opacity 0.2s; }
.modal-backdrop.open { display: flex; opacity: 1; }
.modal { background: var(--surface); border-radius: 16px; padding: 32px; width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1); transform: scale(0.95); transition: transform 0.2s, max-width 0.2s; }
.modal.modal-wide { max-width: 92vw; }
.modal-backdrop.open .modal { transform: scale(1); }
.modal h3 { margin: 0 0 20px; font-size: 18px; font-weight: 700; color: var(--text); }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border); }
.lock-note { font-size: 12px; font-weight: 500; color: var(--warn); margin-top: 8px; background: var(--warn-soft); padding: 8px 12px; border-radius: 6px; }

/* Utilidad para JSON en Auditoría */
.json-view { font-family: monospace; font-size: 11px; color: var(--text-soft); background: var(--surface-soft); padding: 8px; border-radius: 6px; max-height: 100px; overflow-y: auto; white-space: pre-wrap; word-break: break-all; }
/* ====== PRODUCCIÓN (KANBAN) ====== */
.prod-board { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 12px; align-items: flex-start; }
.prod-columna { background: var(--surface-soft); border: 1px solid var(--border); border-radius: var(--radius); min-width: 280px; max-width: 280px; flex: 0 0 280px; display: flex; flex-direction: column; max-height: calc(100vh - 260px); transition: outline 0.15s; }
.prod-columna-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px 8px; }
.prod-columna-titulo { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; color: var(--text); }
.prod-columna-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.prod-col-pin .prod-columna-dot { background: var(--warn); }
.prod-col-entregado .prod-columna-dot { background: var(--ok); }
.prod-lock-icon { color: var(--warn); flex-shrink: 0; }
.prod-columna-count { font-size: 12px; font-weight: 700; color: var(--text-soft); background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 2px 9px; min-width: 22px; text-align: center; }
.prod-columna-total { font-size: 12px; font-weight: 600; color: var(--text-faint); padding: 0 16px 10px; }
.prod-columna-cards { display: flex; flex-direction: column; gap: 10px; padding: 4px 12px 14px; overflow-y: auto; flex: 1; }
.prod-columna-vacia { text-align: center; font-size: 12px; color: var(--text-faint); padding: 20px 8px; border: 1px dashed var(--border); border-radius: 8px; }
.prod-col-pin { background: var(--warn-soft); border-color: #fdd9b5; }
.prod-col-entregado { background: var(--ok-soft); border-color: #a7e8cf; }
.prod-drag-over { outline: 2px dashed var(--accent); outline-offset: -4px; }

.prod-card { display: flex; background: var(--surface); border-radius: 10px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); cursor: grab; overflow: hidden; transition: box-shadow 0.2s, transform 0.2s; position: relative; }
.prod-card:hover { box-shadow: 0 6px 14px rgba(0,0,0,0.1); transform: translateY(-1px); }
.prod-card:active { cursor: grabbing; }
.prod-card-stub { width: 34px; flex-shrink: 0; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 15px; position: relative; }
.prod-card-stub::after { content: ""; position: absolute; top: 0; right: -1px; bottom: 0; width: 1px; background-image: repeating-linear-gradient(to bottom, var(--surface) 0 4px, transparent 4px 8px); }
.prod-col-pin .prod-card-stub { background: var(--warn); }
.prod-col-entregado .prod-card-stub { background: var(--ok); }
.prod-card-body { padding: 10px 12px; flex: 1; min-width: 0; }
.prod-card-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 4px; }
.prod-card-cliente { font-weight: 700; font-size: 13.5px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prod-card-monto { font-size: 12px; font-weight: 700; color: var(--ok); flex-shrink: 0; }
.prod-card-desc { font-size: 12.5px; color: var(--text-soft); line-height: 1.4; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.prod-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-bottom: 10px; }
.prod-card-meta .badge { font-size: 10px; padding: 2px 8px; }
.prod-card-fecha { font-size: 11px; color: var(--text-faint); }
.prod-card-actions { display: flex; }
.prod-btn-avanzar { flex: 1; background: var(--accent-soft); color: var(--accent); border: none; border-radius: 7px; font-size: 12px; font-weight: 700; padding: 7px 8px; text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.prod-btn-avanzar:hover { background: var(--accent); color: #fff; }
.prod-completado { flex: 1; font-size: 12px; font-weight: 700; color: var(--ok); }
.prod-select-etapa { margin-top: 6px; font-size: 11.5px; padding: 6px 8px; border-radius: 7px; color: var(--text-faint); background: var(--surface-soft); }
.prod-select-etapa:hover { color: var(--text-soft); border-color: var(--border); }

@keyframes prodSello { 0% { transform: scale(0.5) rotate(-10deg); opacity: 0; } 55% { transform: scale(1.1) rotate(-4deg); opacity: 1; } 100% { transform: scale(1) rotate(-4deg); opacity: 0; } }
.prod-recien-entregado::before { content: "✓ ENTREGADO"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(5,150,105,0.94); color: #fff; font-weight: 800; font-size: 13px; letter-spacing: 1px; border: 3px solid #fff; border-radius: 10px; animation: prodSello 1.5s ease forwards; z-index: 5; }

.prod-toast { position: fixed; bottom: 24px; left: 50%; transform: translate(-50%, 20px); background: #1f2937; color: #fff; font-size: 13px; font-weight: 600; padding: 12px 20px; border-radius: 10px; box-shadow: 0 10px 25px rgba(0,0,0,0.2); opacity: 0; transition: opacity 0.25s, transform 0.25s; z-index: 2000; max-width: 90vw; }
.prod-toast-error { background: var(--danger); }
.prod-toast.show { opacity: 1; transform: translate(-50%, 0); }
.prod-btn-aviso { width: 100%; margin-top: 6px; background: transparent; color: var(--warn); border: 1px dashed var(--warn); border-radius: 7px; font-size: 11px; font-weight: 700; padding: 6px 8px; }
.prod-btn-aviso:hover { background: var(--warn-soft); }
.prod-filtro-entregados { width: calc(100% - 24px); margin: 0 12px 8px; font-size: 11px; padding: 5px 8px; border-radius: 6px; }
@media (max-width: 768px) { .prod-columna { min-width: 78vw; max-width: 78vw; flex: 0 0 78vw; } }