/* ========== VARIABLES Y BASE ========== */
:root{
  --bg:#F4F5F7; --card:#FFFFFF; --border:#E5E8EE; --ink:#0F172A; --muted:#64748B;
  --accent:#1E40AF; --accent2:#0EA5E9; --ok:#059669; --warn:#D97706; --bad:#DC2626;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 4px 16px rgba(16,24,40,.06);
}

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

body{background:var(--bg);font-family:Inter,system-ui,sans-serif;color:var(--ink);
     -webkit-font-smoothing:antialiased}

.wrap{max-width:1360px;margin:0 auto;padding:0 28px}

/* ========== SHELL (SIDEBAR + CONTENIDO) ========== */
.shell{display:flex;align-items:flex-start;min-height:100vh}

.sidebar{width:232px;flex-shrink:0;background:linear-gradient(180deg,#0F172A 0%,#16233F 100%);
         min-height:100vh;padding:22px 16px;position:sticky;top:0}

.sidebar-brand{padding:0 8px 18px;margin-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12)}

.sidebar-logo{width:100%;max-width:150px;object-fit:contain}

.sidebar-nav{display:flex;flex-direction:column;gap:5px}

.nav-item{display:flex;flex-direction:column;align-items:flex-start;gap:5px;
          padding:10px 14px;border-radius:9px;font-size:13.5px;font-weight:500;
          color:#94A3B8;cursor:pointer;text-decoration:none}

.nav-item.active{background:rgba(255,255,255,.10);color:#fff;font-weight:600}

.nav-item.soon{color:#5B6B85}

.nav-item.active.soon{color:#fff}

.nav-tag{font-size:9.5px;font-weight:600;color:#94A3B8;background:rgba(255,255,255,.08);
         padding:2px 7px;border-radius:20px;white-space:nowrap}

.main{flex:1;min-width:0;padding-bottom:60px}

/* ========== ESTADO VACÍO (DIVISIONES EN CONSTRUCCIÓN) ========== */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;min-height:60vh;gap:12px;padding:0 28px}

.empty-state .icon{font-size:46px}

.empty-state h2{font-size:20px;font-weight:600;color:var(--ink)}

.empty-state p{font-size:13.5px;color:var(--muted);max-width:420px;line-height:1.6}

/* ========== ENCABEZADO (HEADER) ========== */
header{background:var(--card);color:var(--ink);padding:16px 0;border-bottom:1px solid var(--border)}

.header-row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}

.brand{display:flex;align-items:center;gap:16px}

h1{font-size:16px;font-weight:600;letter-spacing:-.3px;color:var(--ink)}

/* ========== FILTROS (SELECT) ========== */
.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

.filters label{font-size:12px;color:var(--muted);font-weight:500;margin-right:2px}

select{background:#F8FAFC;border:1px solid var(--border);color:var(--ink);
       padding:8px 12px;border-radius:8px;font-size:13px;font-family:inherit;font-weight:500;
       cursor:pointer;outline:none;min-width:150px}

select option{background:#fff;color:var(--ink)}

/* ========== KPIs (TARJETAS DE MÉTRICAS) ========== */
.kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin:26px 0 28px}

.kpi{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px 26px;
     box-shadow:var(--shadow)}

.kpi .lab{font-size:11.5px;color:var(--muted);font-weight:600;text-transform:uppercase;
          letter-spacing:.5px;margin-bottom:9px}

.kpi .val{font-size:27px;font-weight:700;letter-spacing:-1px;line-height:1.05}

.kpi .val small{font-size:15px;font-weight:600;color:var(--muted);margin-right:2px}

.kpi .foot{font-size:12px;color:var(--muted);margin-top:7px;display:flex;align-items:center;gap:6px}

.chip{padding:2px 7px;border-radius:5px;font-size:11px;font-weight:600}

.chip.up{background:#ECFDF5;color:#047857}

.chip.dn{background:#FEF2F2;color:#B91C1C}

/* ========== GRILLAS (LAYOUTS) ========== */
.grid{display:grid;gap:14px;margin-bottom:14px}

.g2{grid-template-columns:1.35fr 1fr}

.g2b{grid-template-columns:1fr 1fr}

.g3{grid-template-columns:1fr 1fr 1fr}

/* ========== PANELES (CONTENEDORES DE GRÁFICOS) ========== */
.panel{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px 22px;
       box-shadow:var(--shadow)}

.panel h3{font-size:14.5px;font-weight:600;letter-spacing:-.2px}

.panel .desc{font-size:12.5px;color:var(--muted);margin-top:3px;margin-bottom:14px;line-height:1.5}

.chart{width:100%}

.g3 .panel{display:flex;flex-direction:column}

.g3 .panel .chart{margin-top:auto;margin-bottom:auto}

/* ========== SECCIONES (TÍTULOS) ========== */
.sec{display:flex;align-items:baseline;gap:10px;margin:26px 0 13px}

.sec h2{font-size:16px;font-weight:600;letter-spacing:-.2px}

.sec span{font-size:12.5px;color:var(--muted)}

/* ========== TABLAS ========== */
table{width:100%;border-collapse:collapse;font-size:12.5px}

th{text-align:left;font-weight:600;color:var(--muted);font-size:11px;text-transform:uppercase;
   letter-spacing:.4px;padding:9px 10px;border-bottom:1px solid var(--border)}

td{padding:10px;border-bottom:1px solid #F1F3F7}

tr:last-child td{border-bottom:none}

.num{text-align:right;font-variant-numeric:tabular-nums}

/* ========== ETIQUETAS (PILLS) ========== */
.pill{padding:2px 8px;border-radius:20px;font-size:10.5px;font-weight:600}

.pill.d{background:#EFF6FF;color:#1D4ED8}

.pill.c{background:#F5F3FF;color:#6D28D9}

.pill.k{background:#FFF7ED;color:#C2410C}

#tClientes{overflow-x:auto}

/* ========== PIE DE PÁGINA (FOOTER) ========== */
footer{text-align:center;font-size:11.5px;color:#94A3B8;margin-top:34px;line-height:1.7}

/* ========== CHAT (WIDGET FLOTANTE) ========== */
.chat-btn{position:fixed;bottom:24px;right:24px;width:54px;height:54px;border-radius:50%;
  background:var(--accent);color:#fff;border:none;font-size:22px;cursor:pointer;
  box-shadow:0 4px 18px rgba(30,64,175,.35);z-index:40}

.chat-panel{position:fixed;bottom:90px;right:24px;width:340px;max-height:480px;
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow);display:none;flex-direction:column;overflow:hidden;z-index:40}

.chat-panel.open{display:flex}

.chat-head{background:linear-gradient(180deg,#0F172A 0%,#16233F 100%);color:#fff;
  padding:14px 16px;display:flex;justify-content:space-between;align-items:flex-start}

.chat-title{font-size:13.5px;font-weight:600}

.chat-sub{font-size:11px;color:#94A3B8;margin-top:2px}

.chat-close{background:none;border:none;color:#94A3B8;font-size:14px;cursor:pointer}

.chat-msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;
  background:var(--bg)}

.msg{max-width:85%;padding:9px 12px;border-radius:12px;font-size:12.5px;line-height:1.5}

.msg.bot{background:var(--card);border:1px solid var(--border);color:var(--ink);
  align-self:flex-start;border-bottom-left-radius:3px}

.msg.user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}

.chat-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border);background:var(--card)}

.chat-form input{flex:1;border:1px solid var(--border);border-radius:8px;padding:9px 11px;
  font-size:12.5px;font-family:inherit;outline:none;color:var(--ink)}

.chat-send{background:var(--accent);color:#fff;border:none;border-radius:8px;
  padding:9px 14px;font-size:12.5px;font-weight:600;cursor:pointer}

/* ========== RESPONSIVE (TABLET Y MOBILE) ========== */

/* Tablet: KPIs a 2 columnas, paneles de grafico a 1 columna */
@media(max-width:1100px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .g2,.g2b,.g3{grid-template-columns:1fr}
}

/* Tablet chica: la sidebar pasa de columna vertical a barra horizontal arriba */
@media(max-width:860px){
  .shell{flex-direction:column;min-height:auto}
  .sidebar{width:100%;min-height:auto;position:relative;top:auto;
    padding:12px 16px;display:flex;flex-direction:row;align-items:center;gap:18px}
  .sidebar-brand{padding:0;margin:0;border-bottom:none;flex-shrink:0}
  .sidebar-logo{max-width:96px}
  .sidebar-nav{flex-direction:row;gap:8px;overflow-x:auto}
  .nav-item{flex-direction:row;align-items:center;white-space:nowrap;padding:8px 12px}
  .nav-tag{margin-left:2px}
}

/* Mobile: KPIs a 1 columna, filtros y wrap mas angostos */
@media(max-width:640px){
  .wrap{padding:0 16px}
  .kpis{grid-template-columns:1fr}
  .header-row{flex-direction:column;align-items:flex-start;gap:12px}
  .filters{width:100%}
  .filters select{flex:1;min-width:0}
  .kpi{padding:18px 20px}
  .panel{padding:16px 18px}
  .chat-panel{width:calc(100vw - 32px);right:16px;bottom:82px;max-height:70vh}
  .chat-btn{right:16px;bottom:16px}
}