:root{
  --ink:#141A2E; --ink-2:#1B2238; --line:rgba(255,255,255,.08); --line-2:#E6E8EF;
  --dim:#8A93AC; --txt:#E9ECF5; --txt-dark:#1C2333; --canvas:#F5F6FA;
  --accent:#6C8CFF; --accent-soft:rgba(108,140,255,.14); --danger:#E8693C;
  --sidebar-w:268px; --topbar-h:56px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--font);color:var(--txt-dark);background:var(--canvas);-webkit-font-smoothing:antialiased}

/* ---------------- LOGIN ---------------- */
.login-body{display:grid;place-items:center;min-height:100vh;
  background:radial-gradient(1200px 600px at 50% -10%,#222a47,#10141f)}
.login-card{width:340px;max-width:92vw;background:#fff;border-radius:16px;padding:34px 30px;
  box-shadow:0 24px 60px rgba(10,14,26,.4);text-align:center}
.login-logo{margin-bottom:14px}
.login-logo img{width:60px;height:60px;object-fit:contain;border-radius:14px}
.logo-fallback{width:60px;height:60px;margin:0 auto;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#9D7BFF);color:#fff;font-weight:800;font-size:26px}
.login-card h1{font-size:20px;margin-bottom:2px}
.login-sub{color:var(--dim);font-size:13px;margin-bottom:22px}
.login-card label{display:block;text-align:left;font-size:13px;color:#55607a;margin-bottom:12px}
.login-card input{width:100%;margin-top:5px;padding:11px 12px;border:1px solid var(--line-2);
  border-radius:9px;font:inherit;font-size:14px}
.login-card input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.btn-primary{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:11px 18px;
  font:inherit;font-weight:600;cursor:pointer;font-size:14px}
.btn-primary:hover{filter:brightness(1.05)}
.login-card .btn-primary{width:100%;margin-top:6px}
.alert{background:#FDECE7;color:#B23A1A;border-radius:9px;padding:10px 12px;font-size:13px;margin-bottom:14px}

/* ---------------- APP SHELL ---------------- */
.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh;overflow:hidden}
.app.collapsed{grid-template-columns:74px 1fr}

.sidebar{background:var(--ink);color:var(--txt);display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line)}
.brand{height:var(--topbar-h);display:flex;align-items:center;gap:11px;padding:0 18px;border-bottom:1px solid var(--line);flex-shrink:0}
.brand-logo{width:32px;height:32px;border-radius:8px;flex-shrink:0;overflow:hidden;display:grid;place-items:center}
.brand-logo img{width:100%;height:100%;object-fit:contain}
.brand-logo .logo-fallback{width:32px;height:32px;font-size:15px;border-radius:8px}
.brand-name{font-weight:700;font-size:15px;letter-spacing:.2px;white-space:nowrap;overflow:hidden}
.app.collapsed .brand-name{display:none}
.app.collapsed .brand{justify-content:center;padding:0}

.nav{flex:1;overflow-y:auto;padding:12px 10px}
.nav::-webkit-scrollbar{width:8px}
.nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:4px}
.group-label{font-size:11px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--dim);padding:14px 12px 6px}
.app.collapsed .group-label{display:none}

.nav-item{display:flex;align-items:center;gap:12px;width:100%;border:0;cursor:pointer;background:transparent;
  color:var(--txt);font:inherit;font-size:14px;text-align:left;padding:9px 12px;border-radius:8px;position:relative;transition:background .12s}
.nav-item:hover{background:rgba(255,255,255,.05)}
.nav-item .ico{width:20px;height:20px;flex-shrink:0;display:grid;place-items:center;color:var(--dim)}
.nav-item .ico svg{width:18px;height:18px}
.nav-item .label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.nav-item.active{background:var(--accent-soft);color:#fff;font-weight:600}
.nav-item.active .ico{color:var(--accent)}
.nav-item.active::before{content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--accent)}
.nav-item .edit{opacity:0;border:0;background:transparent;color:var(--dim);cursor:pointer;padding:2px;border-radius:5px}
.nav-item:hover .edit{opacity:1}
.nav-item .edit:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-item .edit svg{width:15px;height:15px}
.app.collapsed .nav-item{justify-content:center;padding:11px 0}
.app.collapsed .nav-item .label,.app.collapsed .nav-item::before,.app.collapsed .nav-item .edit{display:none}

.add-app-btn{margin:6px 12px 10px;display:flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(108,140,255,.16);color:#cdd8ff;border:1px dashed rgba(108,140,255,.5);border-radius:9px;
  padding:10px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:.12s}
.add-app-btn:hover{background:rgba(108,140,255,.26);color:#fff}
.add-app-btn svg{width:16px;height:16px}
.app.collapsed .add-app-btn span{display:none}
.app.collapsed .add-app-btn{padding:10px 0}
.app.collapsed .add-app-btn svg{width:18px;height:18px}

/* Sección inferior: configuración + usuario */
.side-bottom{border-top:1px solid var(--line);padding:10px;flex-shrink:0;display:flex;flex-direction:column;gap:3px}
.side-link{display:flex;align-items:center;gap:12px;width:100%;border:0;cursor:pointer;background:transparent;color:var(--txt);font:inherit;font-size:14px;text-align:left;padding:9px 12px;border-radius:8px;transition:background .12s}
.side-link:hover{background:rgba(255,255,255,.06)}
.side-link svg{width:18px;height:18px;color:var(--dim);flex-shrink:0}
.side-user{display:flex;align-items:center;gap:10px;padding:8px 10px;margin-top:2px;border-radius:8px;background:rgba(255,255,255,.03)}
.avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0;background:var(--ink-2);display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--txt)}
.side-user .who{line-height:1.25;overflow:hidden;flex:1}
.side-user .who b{font-size:13px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-user .who span{font-size:11px;color:var(--dim)}
.side-user .icon-btn{color:var(--dim);text-decoration:none}
.side-user .icon-btn:hover{background:rgba(255,255,255,.1);color:#fff}
.app.collapsed .side-link span,.app.collapsed .side-user .who,.app.collapsed .side-user .icon-btn{display:none}
.app.collapsed .side-link,.app.collapsed .side-user{justify-content:center;padding:9px 0}

/* Pestañas dentro de Configuración */
.tabbar{display:flex;gap:2px;border-bottom:1px solid var(--line-2);margin-bottom:20px}
.tab{background:transparent;border:0;border-bottom:2px solid transparent;padding:9px 14px;font:inherit;font-size:14px;color:#6b7390;cursor:pointer;margin-bottom:-1px}
.tab:hover{color:var(--txt-dark)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.tab-panel[hidden]{display:none}

/* ---- Panel de configuración con menú lateral ---- */
.modal.settings-modal{width:900px;max-width:96vw;padding:0;max-height:88vh;overflow:hidden}
.settings-layout{display:flex;height:560px;max-height:88vh}
.settings-nav{width:215px;flex-shrink:0;background:#F7F8FB;border-right:1px solid var(--line-2);padding:14px 12px;display:flex;flex-direction:column;overflow-y:auto}
.settings-head{font-size:16px;font-weight:700;padding:6px 10px 10px}
.settings-group{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--dim);padding:12px 10px 4px}
.settings-nav .tab{display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;font:inherit;font-size:14px;text-align:left;padding:9px 10px;border-radius:8px;cursor:pointer;color:var(--txt-dark);margin-bottom:1px}
.settings-nav .tab svg{width:17px;height:17px;color:var(--dim);flex-shrink:0}
.settings-nav .tab:hover{background:#ECEFF4}
.settings-nav .tab.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.settings-nav .tab.active svg{color:var(--accent)}
.settings-nav .tab-close{color:#586079;margin-top:4px}
.settings-content{flex:1;padding:26px 28px;overflow-y:auto}
.settings-content .tab-panel{max-width:100%}
.cfg-toast{position:sticky;top:-26px;z-index:5;background:#E7F5EC;color:#2E7D4F;border:1px solid #b9e3c8;border-radius:8px;padding:9px 12px;font-size:13px;margin-bottom:14px;font-weight:600}
@media(max-width:680px){
  .settings-layout{flex-direction:column;height:auto;max-height:88vh}
  .settings-nav{width:100%;flex-direction:row;flex-wrap:wrap;border-right:0;border-bottom:1px solid var(--line-2)}
  .settings-head{width:100%}
  .settings-group{display:none}
  .settings-nav .tab{width:auto}
  .settings-content{padding:18px}
}
.wa-webhook{background:#F2F7F4;border:1px solid #cfe6d8;border-radius:10px;padding:14px}
.wa-url{display:block;background:#fff;border:1px solid var(--line-2);border-radius:7px;padding:8px 10px;font-family:monospace;font-size:12px;word-break:break-all;color:#1f6b42}
.ai-box{background:#F3F1FB;border:1px solid #ddd6f3;border-radius:12px;padding:16px;margin-bottom:18px}
/* Avatar (sidebar) con foto */
.side-user .avatar{overflow:hidden}
.side-user .avatar img{width:100%;height:100%;object-fit:cover}
.side-credit{font-size:10.5px;color:#9aa3b5;text-align:left;padding:8px 4px 2px;letter-spacing:.3px}
.app.collapsed .credit-rest{display:none}
.app.collapsed .side-credit{text-align:center;padding:8px 0 2px;font-size:9.5px}
/* Divisor del menú lateral */
.nav-divider{height:1px;background:var(--line,#e6e9f0);margin:10px 8px}
/* Campanita */
.bell-btn{position:relative}
.bell-dot{position:absolute;top:5px;right:5px;min-width:15px;height:15px;padding:0 3px;border-radius:999px;background:#E8483C;color:#fff;font-size:9px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1}
.bell-dot[hidden]{display:none}
/* Avatar del topbar */
.topbar-avatar{width:34px;height:34px;border-radius:50%;border:0;background:var(--accent,#3b6ef5);color:#fff;font-weight:700;font-size:14px;cursor:pointer;overflow:hidden;display:flex;align-items:center;justify-content:center;flex-shrink:0;padding:0}
.topbar-avatar img{width:100%;height:100%;object-fit:cover}
/* Avatar grande en Mi cuenta */
.prof-avatar{width:64px;height:64px;border-radius:50%;background:var(--accent,#3b6ef5);color:#fff;font-weight:700;font-size:24px;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}
.prof-avatar img{width:100%;height:100%;object-fit:cover}
.chan-card{border:1px solid var(--line-2);border-radius:12px;padding:14px 16px;margin-bottom:14px;background:#fff}
.chan-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.chan-card .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#aab;vertical-align:middle}
.chan-card .dot.whatsapp{background:#25D366}.chan-card .dot.web{background:#6C8CFF}.chan-card .dot.interno{background:#9aa3b5}
.wa-help{background:#F7F8FB;border:1px solid var(--line-2);border-radius:9px;padding:11px 12px;margin-top:10px;font-size:12.5px;color:#55607a}
.embed-code{width:100%;min-height:64px;margin-top:6px;font-family:monospace;font-size:11.5px;border:1px solid var(--line-2);border-radius:7px;padding:8px;background:#fff;color:#1f2a44;resize:vertical}

/* ---------------- CONTENIDO ---------------- */
.main{display:flex;flex-direction:column;min-width:0;min-height:0}
.topbar{height:var(--topbar-h);flex-shrink:0;background:#fff;border-bottom:1px solid var(--line-2);display:flex;align-items:center;gap:12px;padding:0 16px}
.icon-btn{width:34px;height:34px;border:0;border-radius:8px;cursor:pointer;background:transparent;color:#586079;display:grid;place-items:center;transition:background .12s}
.icon-btn:hover{background:#F0F1F6;color:var(--txt-dark)}
.icon-btn svg{width:18px;height:18px}
.icon-btn.small{width:28px;height:28px}.icon-btn.small svg{width:16px;height:16px}
.crumb{display:flex;align-items:center;gap:9px;min-width:0}
.crumb .ci{width:18px;height:18px;color:var(--accent);flex-shrink:0;display:grid;place-items:center}
.crumb .ci svg{width:18px;height:18px}
.crumb h1{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.spacer{flex:1}
.frame-wrap{flex:1;position:relative;min-height:0;background:var(--canvas)}
iframe{width:100%;height:100%;border:0;display:block;background:#fff}

.welcome{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:32px}
.welcome[hidden]{display:none}
.welcome .card{max-width:440px}
.welcome .mark{width:66px;height:66px;border-radius:16px;margin:0 auto 22px;overflow:hidden;
  background:linear-gradient(135deg,var(--accent),#9D7BFF);display:grid;place-items:center;color:#fff;font-size:28px;font-weight:800;box-shadow:0 10px 30px rgba(108,140,255,.35)}
.welcome .mark img{width:100%;height:100%;object-fit:contain}
.welcome .mark.warn{background:linear-gradient(135deg,#F6A23C,#E8693C)}
.welcome h2{font-size:22px;margin-bottom:8px}
.welcome p{color:#6B7390;font-size:14px;line-height:1.55}

.menu-btn{display:none}.scrim{display:none}

/* ---------------- MODALES ---------------- */
.modal-bg{position:fixed;inset:0;background:rgba(15,20,34,.55);display:grid;place-items:center;z-index:50;padding:20px}
.modal-bg[hidden]{display:none}
.modal{background:#fff;border-radius:14px;padding:26px;width:420px;max-width:94vw;max-height:90vh;overflow:auto;box-shadow:0 24px 60px rgba(10,14,26,.4)}
.modal.wide{width:540px}
.modal[hidden]{display:none}
.modal h3{font-size:18px;margin-bottom:18px}
.modal h4{font-size:14px;color:#55607a}
.modal label{display:block;font-size:13px;color:#55607a;margin-bottom:14px}
.modal input,.modal select{width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--line-2);border-radius:9px;font:inherit;font-size:14px;background:#fff}
.modal input:focus,.modal select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}
.btn-ghost{background:#F0F1F6;color:#55607a;border:0;border-radius:9px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer}
.btn-ghost:hover{background:#E6E8EF}
.row-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;align-items:center}
.row-form input,.row-form select{margin-top:0;min-width:0}
.row-form button{white-space:nowrap}
.users-table{width:100%;border-collapse:collapse;font-size:14px}
.users-table th{text-align:left;color:var(--dim);font-size:12px;font-weight:600;padding:6px 8px;border-bottom:1px solid var(--line-2)}
.users-table td{padding:9px 8px;border-bottom:1px solid #F0F1F6}
.tag{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px}
.tag.admin{background:#EEF1FF;color:var(--accent)}
.tag.general{background:#EEF3F0;color:#3C9D6B}
.link-danger{background:transparent;border:0;color:var(--danger);cursor:pointer;font:inherit;font-size:13px}
.link-danger:hover{text-decoration:underline}
.muted{color:var(--dim);font-size:12px}
.modal .alert{margin:0 0 14px}
.del-app{margin-right:auto}

@media (max-width:760px){
  .app,.app.collapsed{grid-template-columns:1fr}
  .sidebar{position:fixed;z-index:40;top:0;left:0;bottom:0;width:var(--sidebar-w);transform:translateX(-100%);transition:transform .22s}
  .app.nav-open .sidebar{transform:none}
  .menu-btn{display:grid}
  .scrim{position:fixed;inset:0;background:rgba(10,14,26,.5);z-index:30}
  .app.nav-open .scrim{display:block}
  .row-form{grid-template-columns:1fr 1fr}
}

/* ===================== MODO OSCURO (shell) ===================== */
html[data-theme="dark"]{
  --txt-dark:#E7EAF3; --dim:#98a1ba; --line-2:#2a3346; --canvas:#0F1422;
  --accent-soft:rgba(108,140,255,.22);
}
html[data-theme="dark"] body{background:var(--canvas);color:var(--txt-dark)}
html[data-theme="dark"] .topbar{background:#151b2b;border-bottom-color:#222b3d}
html[data-theme="dark"] iframe{background:#0F1422}
html[data-theme="dark"] .icon-btn{color:#aab2c8}
html[data-theme="dark"] .icon-btn:hover{background:#222b3d;color:#fff}
html[data-theme="dark"] .crumb h1{color:#E7EAF3}
html[data-theme="dark"] .welcome .card,
html[data-theme="dark"] .modal,
html[data-theme="dark"] .settings-content{background:#161d2e;color:#E7EAF3}
html[data-theme="dark"] .settings-nav{background:#121828;border-right-color:#222b3d}
html[data-theme="dark"] .settings-nav .tab{color:#cdd3e3}
html[data-theme="dark"] .settings-nav .tab:hover{background:#1e2638}
html[data-theme="dark"] .settings-head{color:#E7EAF3}
html[data-theme="dark"] input,html[data-theme="dark"] textarea,html[data-theme="dark"] select,
html[data-theme="dark"] .modal input,html[data-theme="dark"] .modal select{background:#0F1422;color:#E7EAF3;border-color:#2a3346}
html[data-theme="dark"] .users-table th{background:#121828;color:#98a1ba}
html[data-theme="dark"] .users-table td{border-top-color:#222b3d}
html[data-theme="dark"] .chan-card{background:#161d2e;border-color:#222b3d}
html[data-theme="dark"] .ai-box{background:#1a2036;border-color:#2c3654}
html[data-theme="dark"] .wa-help{background:#141a2a;border-color:#222b3d;color:#aab2c8}
html[data-theme="dark"] .wa-url,html[data-theme="dark"] .embed-code{background:#0F1422;border-color:#2a3346;color:#9fd8b6}
html[data-theme="dark"] .btn-ghost{background:#222b3d;color:#cdd3e3}
html[data-theme="dark"] .login-card{background:#161d2e;color:#E7EAF3}
html[data-theme="dark"] .login-sub{color:#98a1ba}
.theme-sun{display:none}
html[data-theme="dark"] .theme-moon{display:none}
html[data-theme="dark"] .theme-sun{display:inline}