:root{
  --font-sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:32px;--space-8:40px;
  --radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-pill:999px;
  --control-h:44px;--sidebar-w:248px;--top-h:72px;
  --z-sidebar:40;--z-overlay:35;--z-modal:80;--transition:160ms ease;
  --brand:#176b54;--brand-hover:#105944;--brand-soft:#e7f5ef;--brand-contrast:#fff;
  --success:#167253;--success-soft:#e8f6f0;--warning:#9b6100;--warning-soft:#fff3d6;
  --info:#1f65a6;--info-soft:#eaf3fc;--danger:#b42318;--danger-soft:#feeceb;
  --app-bg:#f4f6f8;--surface:#fff;--surface-raised:#fff;--surface-subtle:#f8fafb;
  --text:#17202a;--text-secondary:#65717d;--text-inverse:#f7faf9;--border:#dce2e7;--border-strong:#c8d0d7;
  --sidebar:#102820;--sidebar-hover:#1a3a30;--sidebar-text:#dcebe5;--focus:#2788d1;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);--shadow-md:0 8px 24px rgba(16,24,40,.08);
}
:root[data-theme="dark"]{
  --brand:#56c99a;--brand-hover:#76d8af;--brand-soft:#173b30;--brand-contrast:#09231b;
  --success:#66d4ab;--success-soft:#173a30;--warning:#f0be63;--warning-soft:#3a2d17;
  --info:#78baf2;--info-soft:#172f45;--danger:#ff8a80;--danger-soft:#432220;
  --app-bg:#11171b;--surface:#192126;--surface-raised:#202a30;--surface-subtle:#151c20;
  --text:#edf2f4;--text-secondary:#aab5bc;--text-inverse:#f8fbfa;--border:#303b42;--border-strong:#43505a;
  --sidebar:#0c1714;--sidebar-hover:#172822;--sidebar-text:#dcebe5;--focus:#67b9f5;
  --shadow-sm:0 1px 2px rgba(0,0,0,.25);--shadow-md:0 10px 28px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{max-width:100%;overflow-x:hidden;background:var(--app-bg);scroll-behavior:smooth}
body{max-width:100%;overflow-x:hidden;margin:0;min-width:320px;font:15px/1.5 var(--font-sans);font-synthesis:none;color:var(--text);background:var(--app-bg);-webkit-font-smoothing:antialiased}
body.nav-open{overflow:hidden}
button,input,select,textarea{font:inherit}
button,a,input,select,textarea,summary{outline:none}
:focus-visible{outline:3px solid color-mix(in srgb,var(--focus) 36%,transparent);outline-offset:2px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:none;color:var(--brand-hover)}
h1,h2,h3,p{margin-top:0}
h2{margin:var(--space-7) 0 var(--space-4);font-size:19px;line-height:1.3}
small{font-size:12px}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.skip-link{position:fixed;top:8px;left:8px;z-index:100;padding:10px 14px;border-radius:var(--radius-sm);background:var(--surface);transform:translateY(-150%);box-shadow:var(--shadow-md)}
.skip-link:focus{transform:none}
.app{min-height:100vh}
.sidebar{position:fixed;z-index:var(--z-sidebar);inset:0 auto 0 0;width:min(86vw,var(--sidebar-w));padding:calc(var(--space-4) + env(safe-area-inset-top)) var(--space-3) calc(var(--space-4) + env(safe-area-inset-bottom));display:flex;flex-direction:column;background:var(--sidebar);color:var(--sidebar-text);transform:translateX(-105%);transition:transform var(--transition);box-shadow:var(--shadow-md)}
.sidebar.open{transform:none}
.sidebar-backdrop{position:fixed;z-index:var(--z-overlay);inset:0;display:block;width:100%;height:100%;padding:0;border:0;border-radius:0;background:rgba(5,13,10,.54);opacity:0;pointer-events:none;transition:opacity var(--transition)}
body.nav-open .sidebar-backdrop{opacity:1;pointer-events:auto}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);min-height:48px;padding:0 var(--space-1) var(--space-3)}
.brand{display:flex;align-items:center;gap:var(--space-3);min-width:0;color:var(--text-inverse)}
.brand:hover{color:var(--text-inverse)}
.brand-mark{display:grid;place-items:center;flex:0 0 40px;width:40px;height:40px;border-radius:13px;background:#48b98d;color:#09281d;font-size:20px;font-weight:800;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.brand strong{display:grid;font-size:15px;line-height:1.15;letter-spacing:.01em}.brand small{margin-top:3px;color:#9fc4b7;font-weight:500}
.icon-btn{display:inline-grid;place-items:center;width:var(--control-h);height:var(--control-h);padding:0;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);color:var(--text);cursor:pointer;transition:background var(--transition),border-color var(--transition),transform var(--transition)}
.icon-btn:hover{background:var(--surface-subtle);border-color:var(--border-strong)}
.sidebar .icon-btn{border-color:rgba(255,255,255,.13);background:transparent;color:var(--sidebar-text)}
.client-context{display:grid;gap:2px;margin:0 var(--space-1) var(--space-4);padding:var(--space-3);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);background:rgba(255,255,255,.055)}
.client-context span,.client-context small{color:#9fc4b7;font-size:11px}.client-context strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.sidebar nav{display:grid;gap:var(--space-1);overflow:auto;padding:0 var(--space-1)}
.sidebar nav a{display:flex;align-items:center;gap:var(--space-3);min-height:44px;padding:0 var(--space-3);border-radius:var(--radius-md);color:var(--sidebar-text);font-size:14px;font-weight:560;transition:background var(--transition),color var(--transition)}
.sidebar nav a:hover{background:var(--sidebar-hover);color:#fff}
.sidebar nav a[aria-current="page"]{background:#235344;color:#fff;box-shadow:inset 3px 0 #62d1a4}
.sidebar nav svg{width:19px;height:19px;flex:0 0 19px}
.side-user{display:grid;grid-template-columns:36px minmax(0,1fr);gap:var(--space-2) var(--space-3);align-items:center;margin-top:auto;padding:var(--space-4) var(--space-2) 0;border-top:1px solid rgba(255,255,255,.11)}
.side-user>div:nth-child(2){min-width:0;display:grid}.side-user strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.side-user small{color:#9fc4b7}
.user-avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#2d5d4d;color:#fff;font-weight:750}
.side-user form{margin:0}.side-user .text-btn{grid-column:1/-1;width:100%;min-height:36px;padding:5px 8px;border:0;background:transparent;color:#b9d6cc;text-align:left;font-size:13px;cursor:pointer}.side-user .text-btn:hover{color:#fff;background:rgba(255,255,255,.06);border-radius:8px}
main{min-width:0;min-height:100vh}
.top{position:sticky;z-index:20;top:0;min-height:var(--top-h);padding:calc(var(--space-3) + env(safe-area-inset-top)) var(--space-4) var(--space-3);display:flex;align-items:center;gap:var(--space-3);border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(12px)}
.page-heading{min-width:0;flex:1}.top h1{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:20px;line-height:1.25;letter-spacing:-.015em}.top p{display:none;margin:2px 0 0;color:var(--text-secondary);font-size:13px}
.theme-picker{display:block}.theme-picker select{width:auto;min-width:94px;height:40px;padding:0 30px 0 10px;font-size:13px}
.content{width:100%;max-width:1600px;margin:0 auto;padding:var(--space-4) var(--space-4) calc(var(--space-8) + env(safe-area-inset-bottom))}
.grid{display:grid;grid-template-columns:1fr;gap:var(--space-3)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-sm)}
.metric{position:relative;min-height:112px;display:flex;flex-direction:column;justify-content:center}.metric small{display:block;color:var(--text-secondary);font-weight:600}.metric strong{margin-top:var(--space-1);font-size:28px;line-height:1.1;letter-spacing:-.03em}
.toolbar,.actions{display:flex;flex-wrap:wrap;gap:var(--space-2);align-items:center;margin-bottom:var(--space-4)}
.toolbar form.toolbar{min-width:100%;padding:var(--space-3);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface)}
.btn,button{min-height:var(--control-h);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);border:1px solid transparent;border-radius:var(--radius-sm);padding:9px 15px;background:var(--brand);color:var(--brand-contrast);cursor:pointer;font-weight:650;line-height:1.2;transition:background var(--transition),border-color var(--transition),box-shadow var(--transition),transform var(--transition)}
.btn:hover,button:hover{background:var(--brand-hover);color:var(--brand-contrast)}
.btn:active,button:active{transform:translateY(1px)}
.btn.secondary,button.secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong)}
.btn.secondary:hover,button.secondary:hover{background:var(--surface-subtle);color:var(--text);border-color:var(--text-secondary)}
.btn.danger,button.danger{background:var(--danger);color:#fff}.btn.danger:hover,button.danger:hover{background:#962018}
button:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none}
button.is-loading{position:relative;pointer-events:none}button.is-loading::before{content:"";width:15px;height:15px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
input,select,textarea{width:100%;min-height:var(--control-h);padding:10px 12px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font:inherit;transition:border-color var(--transition),box-shadow var(--transition),background var(--transition)}
textarea{min-height:104px;resize:vertical;line-height:1.5}
input::placeholder,textarea::placeholder{color:color-mix(in srgb,var(--text-secondary) 78%,transparent)}
input:hover,select:hover,textarea:hover{border-color:var(--text-secondary)}
input:focus,select:focus,textarea:focus{border-color:var(--focus);box-shadow:0 0 0 3px color-mix(in srgb,var(--focus) 18%,transparent)}
input:disabled,select:disabled,textarea:disabled{background:var(--surface-subtle);color:var(--text-secondary);cursor:not-allowed}
label{display:grid;align-content:start;gap:var(--space-2);font-weight:650;color:var(--text)}
label small,.field-help{color:var(--text-secondary);font-weight:450;line-height:1.45}
.field-error{color:var(--danger);font-size:13px;font-weight:600}
.form-grid{display:grid;grid-template-columns:1fr;gap:var(--space-4)}.full{grid-column:1/-1}
.table-wrap{max-width:100%;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overscroll-behavior-inline:contain;scrollbar-width:thin}
table{border-collapse:collapse;width:100%;min-width:720px}th,td{text-align:left;padding:13px 15px;border-bottom:1px solid var(--border);vertical-align:middle}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:var(--surface-subtle)}th{position:sticky;top:0;z-index:1;background:var(--surface-subtle);color:var(--text-secondary);font-size:11px;text-transform:uppercase;letter-spacing:.055em;white-space:nowrap}td .actions{margin:0;min-width:max-content}td small{color:var(--text-secondary)}
.badge{display:inline-flex;align-items:center;gap:5px;min-height:26px;padding:4px 9px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--success);font-size:12px;font-weight:700;line-height:1}.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.badge.failed,.badge.inactive,.badge.rejected,.badge.cancelled{background:var(--danger-soft);color:var(--danger)}.badge.pending,.badge.paused,.badge.draft,.badge.ready{background:var(--warning-soft);color:var(--warning)}.badge.running,.badge.completed,.badge.approved,.badge.active,.badge.read{background:var(--success-soft);color:var(--success)}
.alert{position:relative;padding:13px 15px;border:1px solid color-mix(in srgb,var(--info) 22%,var(--border));border-radius:var(--radius-md);background:var(--info-soft);color:var(--info);margin-bottom:var(--space-4);font-weight:520}.alert.error{background:var(--danger-soft);color:var(--danger);border-color:color-mix(in srgb,var(--danger) 25%,var(--border))}.alert.success{background:var(--success-soft);color:var(--success);border-color:color-mix(in srgb,var(--success) 25%,var(--border))}
.pagination{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-4)}.pagination a{display:grid;place-items:center;min-width:40px;height:40px;padding:0 10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm)}
.muted{color:var(--text-secondary)}
.empty-state{display:grid;place-items:center;text-align:center;min-height:220px;padding:var(--space-7);color:var(--text-secondary)}.empty-state-icon{display:grid;place-items:center;width:52px;height:52px;margin-bottom:var(--space-3);border-radius:50%;background:var(--brand-soft);color:var(--brand)}.empty-state h2,.empty-state h3{margin:0 0 var(--space-2);color:var(--text)}.empty-state p{max-width:430px;margin:0}
details{border-radius:var(--radius-sm)}summary{cursor:pointer;color:var(--brand);font-weight:650}pre{max-width:100%;overflow:auto;padding:var(--space-3);border-radius:var(--radius-sm);background:var(--surface-subtle);color:var(--text);white-space:pre-wrap}
dialog.confirm-dialog{width:min(92vw,440px);padding:0;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface-raised);color:var(--text);box-shadow:var(--shadow-md)}dialog.confirm-dialog::backdrop{background:rgba(4,10,8,.58);backdrop-filter:blur(2px)}.confirm-dialog-inner{padding:var(--space-6)}.confirm-dialog h2{margin:0 0 var(--space-2)}.confirm-dialog p{color:var(--text-secondary)}.confirm-dialog .actions{justify-content:flex-end;margin:var(--space-6) 0 0}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:var(--space-4)}.login-card{width:min(100%,430px);padding:var(--space-6)}
@keyframes spin{to{transform:rotate(360deg)}}
@media(min-width:600px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.top p{display:block}.content{padding:var(--space-5) var(--space-6) var(--space-8)}.toolbar form.toolbar{min-width:0;padding:0;border:0;background:transparent}.card{padding:var(--space-5)}}
@media(min-width:960px){.app{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr)}.sidebar{position:sticky;top:0;width:var(--sidebar-w);height:100vh;transform:none;box-shadow:none}.sidebar-close,.sidebar-backdrop,.menu{display:none!important}.top{padding-left:var(--space-7);padding-right:var(--space-7)}.content{padding-left:var(--space-7);padding-right:var(--space-7)}.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:480px){.theme-picker select{min-width:76px;padding-right:25px}.top{gap:var(--space-2)}.top h1{font-size:18px}.content{padding-left:var(--space-3);padding-right:var(--space-3)}.toolbar>.btn,.toolbar>button{flex:1}.actions button,.actions .btn{max-width:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Vendedor IA y memoria por contacto */
.ai-seller-form{max-width:980px}.ai-memory-layout{display:grid;gap:var(--space-5)}
.ai-event-list{display:grid;gap:12px;margin-top:20px}.ai-event-list article{display:flex;justify-content:space-between;gap:18px;padding:14px;border:1px solid var(--border);border-radius:var(--radius-md)}
.ai-event-list article strong,.ai-event-list article small{display:block}.ai-event-list article small{margin-top:3px;color:var(--muted)}.ai-event-list article p{margin:8px 0 0}
@media(min-width:1100px){.ai-memory-layout{grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);align-items:start}}

/* Estado simple del Vendedor IA dentro de la conversación. */
.ai-activity{
    display:flex;
    align-items:flex-start;
    gap:8px;
    margin-top:12px;
    padding:10px 12px;
    border:1px solid var(--border);
    border-radius:10px;
    background:var(--surface-2);
    font-size:13px;
    line-height:1.4;
}
.ai-activity-dot{
    width:8px;
    height:8px;
    margin-top:5px;
    border-radius:999px;
    flex:0 0 auto;
    background:#7d8794;
}
.ai-activity-success .ai-activity-dot{background:#35d07f}
.ai-activity-warning .ai-activity-dot{background:#f2b84b}
.ai-activity-error .ai-activity-dot{background:#ef6262}
.ai-generate-button{
    width:100%;
    margin-top:10px;
    justify-content:center;
}
.ai-generate-error{
    display:block;
    margin-top:8px;
    color:#ef6262;
}

/* =====================================================
 * ARCHIVOS MULTIMEDIA EN CONVERSACIONES
 * ===================================================== */
.message-media-image{
 display:block;
 position:relative;
 max-width:360px;
 border-radius:12px;
 overflow:hidden;
 background:rgba(15,23,42,.06);
 text-decoration:none;
}
.message-media-image img{
 display:block;
 width:100%;
 max-height:420px;
 object-fit:cover;
}
.message-media-image span{
 position:absolute;
 left:10px;
 bottom:10px;
 padding:5px 8px;
 border-radius:999px;
 background:rgba(15,23,42,.72);
 color:#fff;
 font-size:12px;
 opacity:0;
 transition:opacity .18s ease;
}
.message-media-image:hover span,
.message-media-image:focus-visible span{opacity:1}
.message-media-image.sticker{
 width:180px;
 background:transparent;
}
.message-media-image.sticker img{
 max-height:180px;
 object-fit:contain;
}
.message-media-player{
 display:grid;
 gap:8px;
 min-width:min(320px,70vw);
}
.message-media-player video{
 display:block;
 width:100%;
 max-height:360px;
 border-radius:12px;
 background:#000;
}
.message-media-player audio{
 display:block;
 width:min(320px,70vw);
 max-width:100%;
}
.message-media-player>a,
.message-attachment.document{
 color:inherit;
 font-size:12px;
 text-decoration:none;
}
.message-attachment.document{
 display:flex;
 flex-direction:column;
 gap:3px;
 padding:10px 12px;
 border:1px solid rgba(15,23,42,.12);
 border-radius:10px;
 background:rgba(255,255,255,.5);
}
.message-attachment.document:hover{background:rgba(255,255,255,.75)}
.message-attachment.unavailable{opacity:.72}
.message-location{
 display:flex;
 flex-direction:column;
 gap:3px;
 min-width:min(280px,70vw);
 padding:12px;
 border:1px solid rgba(15,23,42,.12);
 border-radius:10px;
 color:inherit;
 text-decoration:none;
 background:rgba(255,255,255,.55);
}
.message-location:hover{background:rgba(255,255,255,.8)}
.message-location small{font-weight:600}
.message-shared-contacts{
 display:grid;
 gap:8px;
 min-width:min(260px,70vw);
}
.shared-contact{
 display:flex;
 flex-direction:column;
 gap:3px;
 padding:10px 12px;
 border:1px solid rgba(15,23,42,.12);
 border-radius:10px;
 background:rgba(255,255,255,.55);
}
.shared-contact a{color:inherit;text-decoration:none;font-size:13px}
.shared-contact a:hover{text-decoration:underline}
@media (max-width:640px){
 .message-media-image{max-width:min(78vw,320px)}
 .message-media-player{min-width:min(72vw,300px)}
}