/*
Theme Name: Catálogo Online
Theme URI: https://localgraph.io
Author: Local Graph LLC
Description: Panel del producto "Catálogo Online" (multi-tenant, tiendas por path). Sistema de diseño alineado con localweb (estética Vercel: grises neutros, plano, Geist).
Version: 0.2.0
Text Domain: catalogo
*/

:root {
    /* Primario — Indigo (solo CTAs) */
    --cat-primary: #6366F1;
    --cat-primary-dark: #4F46E5;
    --cat-primary-50: #EEF2FF;
    --cat-primary-100: #E0E7FF;
    --cat-primary-200: #C7D2FE;

    /* Grises — Vercel */
    --cat-gray-50: #FAFAFA;
    --cat-gray-100: #F5F5F5;
    --cat-gray-200: #EAEAEA;
    --cat-gray-300: #D4D4D4;
    --cat-gray-400: #999999;
    --cat-gray-500: #666666;
    --cat-gray-600: #444444;
    --cat-gray-700: #333333;
    --cat-gray-800: #222222;
    --cat-gray-900: #171717;

    /* Estados */
    --cat-success: #10B981;
    --cat-success-dark: #059669;
    --cat-success-bg: #ECFDF5;
    --cat-warning: #F59E0B;
    --cat-warning-bg: #FFFBEB;
    --cat-error: #EF4444;
    --cat-error-bg: #FEF2F2;

    /* Layout */
    --cat-bg: #FAFAFA;
    --cat-surface: #FFFFFF;
    --cat-border: #dadada;
    --cat-text: #171717;
    --cat-muted: #666666;
    --cat-sidebar-w: 260px;
    --cat-sidebar-bg: #FAFAFA;
    --cat-sidebar-border: #ededed;
    --cat-sidebar-text: #515151;
    --cat-sidebar-text-active: #171717;
    --cat-sidebar-hover: #F1F1F1;
    --cat-sidebar-active: #EAEAEA;
    --cat-topbar-h: 52px;

    /* Radios — sutiles, Vercel */
    --cat-radius-sm: 6px;
    --cat-radius-md: 8px;
    --cat-radius-lg: 8px;
    --cat-radius-xl: 12px;
    --cat-radius: 8px;

    /* Tipografía */
    --cat-font: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

    --cat-z-modal: 9000;
    --cat-z-chat: 9400;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--cat-font);
    background: var(--cat-bg);
    color: var(--cat-text);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: var(--cat-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 .5rem; letter-spacing: -.02em; font-weight: 600; }

/* ── App shell ── */
.cat-app { display: flex; min-height: 100vh; background: var(--cat-bg); }
.cat-main { flex: 1; min-width: 0; display: flex; flex-direction: column; margin-left: var(--cat-sidebar-w); }
.cat-content { padding: 1.75rem 2rem 4rem; max-width: 1200px; width: 100%; }

/* ── Sidebar ── */
.cat-sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; width: var(--cat-sidebar-w);
    background: var(--cat-sidebar-bg); border-right: 1px solid var(--cat-sidebar-border);
    display: flex; flex-direction: column; z-index: 50;
}
.cat-sidebar-logo { padding: 1.15rem 1.25rem; font-weight: 600; font-size: 1.05rem; letter-spacing: -.02em; display: flex; align-items: center; gap: .5rem; color: var(--cat-gray-900); }
.cat-sidebar-logo .dot { width: 20px; height: 20px; border-radius: var(--cat-radius-sm); background: var(--cat-primary); display: inline-block; }
.cat-sidebar-nav { flex: 1; overflow-y: auto; padding: .5rem .6rem; }
.cat-store-switcher { width: 100%; padding: .5rem .65rem; border: 1px solid var(--cat-border); border-radius: var(--cat-radius-sm); margin-bottom: .75rem; font-size: .875rem; background: #fff; color: var(--cat-gray-700); }
.cat-nav-section-title { font-size: .68rem; text-transform: uppercase; letter-spacing: .05em; color: var(--cat-gray-400); padding: .9rem .65rem .35rem; font-weight: 600; }
.cat-nav-item {
    display: flex; align-items: center; gap: .6rem; padding: .5rem .65rem; border-radius: var(--cat-radius-sm);
    color: var(--cat-sidebar-text); font-weight: 500; margin-bottom: 1px; font-size: .9rem;
    transition: background .12s, color .12s;
}
.cat-nav-item svg { width: 17px; height: 17px; opacity: .9; }
.cat-nav-item:hover { background: var(--cat-sidebar-hover); color: var(--cat-sidebar-text-active); text-decoration: none; }
.cat-nav-item.active { background: var(--cat-sidebar-active); color: var(--cat-sidebar-text-active); font-weight: 600; }
.cat-nav-item.active svg { opacity: 1; }
.cat-nav-badge { margin-left: auto; background: var(--cat-gray-200); color: var(--cat-gray-700); font-size: .7rem; font-weight: 600; border-radius: 9999px; padding: .05rem .4rem; }
.cat-nav-pro { margin-left: auto; font-size: .58rem; background: var(--cat-gray-900); color: #fff; font-weight: 700; padding: .12rem .38rem; border-radius: var(--cat-radius-sm); letter-spacing: .04em; }
.cat-sidebar-user { border-top: 1px solid var(--cat-sidebar-border); padding: .85rem 1rem; display: flex; align-items: center; gap: .6rem; font-size: .85rem; }
.cat-sidebar-user .avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--cat-gray-200); color: var(--cat-gray-700); display: flex; align-items: center; justify-content: center; font-weight: 600; flex-shrink: 0; }

/* ── Topbar ── */
.cat-topbar { height: var(--cat-topbar-h); border-bottom: 1px solid var(--cat-border); background: var(--cat-surface); display: flex; align-items: center; justify-content: space-between; padding: 0 2rem; position: sticky; top: 0; z-index: 40; }
.cat-topbar-title { font-weight: 600; font-size: .975rem; letter-spacing: -.01em; }
.cat-topbar-actions { display: flex; gap: .5rem; align-items: center; }

/* ── Buttons ── */
.cat-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    padding: .5rem .9rem; border-radius: var(--cat-radius-sm); font-weight: 500; font-size: .875rem;
    cursor: pointer; border: 1px solid transparent; font-family: inherit; line-height: 1.4;
    transition: background .12s, border-color .12s, color .12s;
}
.cat-btn-primary { background: var(--cat-primary); color: #fff; }
.cat-btn-primary:hover { background: var(--cat-primary-dark); text-decoration: none; }
.cat-btn-ghost, .cat-btn-secondary { background: #fff; border-color: var(--cat-border); color: var(--cat-gray-700); }
.cat-btn-ghost:hover, .cat-btn-secondary:hover { border-color: var(--cat-gray-400); background: var(--cat-gray-50); color: var(--cat-gray-900); text-decoration: none; }
.cat-btn-danger { background: #fff; border-color: #FECACA; color: #DC2626; }
.cat-btn-danger:hover { background: var(--cat-error-bg); border-color: #DC2626; }
.cat-btn:disabled { opacity: .5; cursor: not-allowed; }
.cat-btn-sm { padding: .35rem .65rem; font-size: .8rem; }

/* ── Cards ── */
.cat-card { background: var(--cat-surface); border: 1px solid var(--cat-border); border-radius: var(--cat-radius-lg); padding: 1.35rem; }
.cat-card + .cat-card { margin-top: 1rem; }
.cat-card h3 { font-size: 1.05rem; margin: 0 0 .85rem; }
.cat-page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1.5rem; gap: 1rem; flex-wrap: wrap; }
.cat-page-header h1 { font-size: 1.5rem; margin: 0; font-weight: 600; }
.cat-page-header p { color: var(--cat-muted); margin: .25rem 0 0; font-size: .9rem; }

/* ── KPIs ── */
.cat-kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.cat-kpi { background: var(--cat-surface); border: 1px solid var(--cat-border); border-radius: var(--cat-radius-lg); padding: 1.1rem 1.25rem; }
.cat-kpi-label { color: var(--cat-muted); font-size: .8rem; font-weight: 500; }
.cat-kpi-value { font-size: 1.85rem; font-weight: 600; margin-top: .35rem; letter-spacing: -.03em; }

/* ── Forms ── */
.cat-field { margin-bottom: 1rem; }
.cat-field label { display: block; font-weight: 500; font-size: .8375rem; margin-bottom: .35rem; color: var(--cat-gray-700); }
.cat-input, .cat-select, .cat-textarea {
    width: 100%; padding: .55rem .7rem; border: 1px solid var(--cat-border); border-radius: var(--cat-radius-sm);
    font-size: .9rem; background: #fff; color: var(--cat-text); font-family: inherit; line-height: 1.5;
    transition: border-color .12s, box-shadow .12s;
}
.cat-input:hover, .cat-select:hover, .cat-textarea:hover { border-color: var(--cat-gray-300); }
/* Foco NEUTRO (Vercel), no glow de color */
.cat-input:focus, .cat-select:focus, .cat-textarea:focus { outline: none; border-color: var(--cat-gray-400); box-shadow: 0 0 0 3px rgba(0,0,0,.06); }
.cat-input::placeholder, .cat-textarea::placeholder { color: var(--cat-gray-400); }
.cat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cat-help { color: var(--cat-muted); font-size: .8rem; margin-top: .35rem; }
.cat-toggle { display: inline-flex; align-items: center; gap: .5rem; cursor: pointer; font-weight: 500; }
.cat-toggle input { width: 16px; height: 16px; accent-color: var(--cat-primary); }

/* ── Auth pages ── */
.cat-auth { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem; background: var(--cat-gray-50); }
.cat-auth-card { background: #fff; border: 1px solid var(--cat-border); border-radius: var(--cat-radius-xl); padding: 2.25rem; width: 100%; max-width: 400px; }
.cat-auth-card h1 { font-size: 1.4rem; text-align: center; }
.cat-auth-card .sub { text-align: center; color: var(--cat-muted); margin-bottom: 1.5rem; font-size: .9rem; }
.cat-auth-error { background: var(--cat-error-bg); color: #B91C1C; padding: .6rem .8rem; border-radius: var(--cat-radius-sm); font-size: .85rem; margin-bottom: 1rem; display: none; border: 1px solid #FECACA; }
.cat-auth-alt { text-align: center; margin-top: 1.25rem; color: var(--cat-muted); font-size: .9rem; }

/* ── Editor: tabs + toolbar ── */
.cat-editor-tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--cat-border); margin-bottom: 1.5rem; }
.cat-editor-tab { padding: .6rem .9rem; border: none; background: none; cursor: pointer; font-weight: 500; font-size: .9rem; color: var(--cat-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; font-family: inherit; transition: color .12s; }
.cat-editor-tab:hover { color: var(--cat-gray-900); }
.cat-editor-tab.active { color: var(--cat-gray-900); border-bottom-color: var(--cat-gray-900); }
.cat-editor-toolbar { display: flex; gap: .5rem; align-items: center; margin-bottom: 1.25rem; flex-wrap: wrap; }
.cat-editor-toolbar .cat-input, .cat-editor-toolbar .cat-select { width: auto; }
.cat-editor-toolbar .cat-input { min-width: 240px; }
.cat-toolbar-spacer { flex: 1; }

/* ── Product grid ── */
.cat-prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 1rem; }
.cat-prod-card { border: 1px solid var(--cat-border); border-radius: var(--cat-radius-lg); overflow: hidden; background: #fff; cursor: pointer; transition: border-color .12s, background .12s; }
.cat-prod-card:hover { border-color: var(--cat-gray-400); background: var(--cat-gray-50); }
.cat-prod-thumb { aspect-ratio: 1; background: var(--cat-gray-100); display: flex; align-items: center; justify-content: center; color: var(--cat-gray-300); font-size: 2rem; font-weight: 600; overflow: hidden; }
.cat-prod-thumb img { width: 100%; height: 100%; object-fit: cover; }
.cat-prod-info { padding: .7rem .8rem; }
.cat-prod-name { font-weight: 500; font-size: .9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--cat-gray-900); }
.cat-prod-price { color: var(--cat-muted); font-size: .85rem; margin-top: .1rem; }
.cat-prod-stock { font-size: .72rem; margin-top: .35rem; font-weight: 500; display: inline-flex; align-items: center; gap: .3rem; padding: .1rem .4rem; border-radius: var(--cat-radius-sm); background: var(--cat-gray-100); color: var(--cat-gray-600); }
.cat-prod-stock.low { color: #B45309; background: var(--cat-warning-bg); }
.cat-prod-stock.out { color: #DC2626; background: var(--cat-error-bg); }
.cat-empty-state { border: 1px dashed var(--cat-border); border-radius: var(--cat-radius-xl); color: var(--cat-muted); text-align: center; padding: 3.5rem 1.5rem; background: #fff; }

/* ── Modal (estilo localweb) ── */
.cat-modal { position: fixed; inset: 0; z-index: var(--cat-z-modal); display: none; align-items: center; justify-content: center; padding: 1rem; }
.cat-modal.open { display: flex; animation: cat-modal-fade .18s ease; }
.cat-modal-backdrop { position: absolute; inset: 0; background: rgba(15,23,42,.45); backdrop-filter: blur(4px); }
.cat-modal-box {
    position: relative; background: #fff; border-radius: var(--cat-radius-xl); width: 100%; max-width: 560px;
    max-height: 92vh; overflow: hidden; display: flex; flex-direction: column;
    box-shadow: 0 24px 48px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.04);
    animation: cat-modal-pop .2s cubic-bezier(.34,1.56,.64,1);
}
.cat-modal-head { display: flex; align-items: center; justify-content: space-between; padding: 1.1rem 1.35rem; border-bottom: 1px solid var(--cat-border); flex-shrink: 0; }
.cat-modal-head h2 { font-size: 1.15rem; margin: 0; }
.cat-modal-close { background: none; border: none; cursor: pointer; color: var(--cat-gray-400); padding: .25rem; border-radius: var(--cat-radius-sm); display: flex; line-height: 1; font-size: 1.4rem; }
.cat-modal-close:hover { color: var(--cat-gray-900); background: var(--cat-gray-100); }
.cat-modal-body { padding: 1.35rem; overflow-y: auto; }
.cat-modal-foot { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: 1rem 1.35rem; border-top: 1px solid var(--cat-border); background: var(--cat-gray-50); flex-shrink: 0; }
.cat-modal-foot .spacer { flex: 1; }
@keyframes cat-modal-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes cat-modal-pop { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
.cat-variant-row { display: grid; grid-template-columns: 1fr 90px 70px 34px; gap: .5rem; align-items: center; margin-bottom: .5rem; }

/* ── Multi-foto en modal producto ── */
.cat-photo-grid { display: flex; flex-wrap: wrap; gap: .5rem; }
.cat-photo-item { position: relative; width: 72px; height: 72px; border-radius: var(--cat-radius-sm); overflow: hidden; border: 1px solid var(--cat-border); background: var(--cat-gray-100); }
.cat-photo-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cat-photo-item .cat-photo-rm {
    position: absolute; top: 2px; right: 2px; width: 22px; height: 22px; border: none; border-radius: 9999px;
    background: rgba(0,0,0,.65); color: #fff; cursor: pointer; font-size: 14px; line-height: 1; display: flex; align-items: center; justify-content: center;
}
.cat-photo-item .cat-photo-rm:hover { background: #DC2626; }
.cat-photo-item.is-primary::after {
    content: 'Principal'; position: absolute; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.55); color: #fff;
    font-size: .58rem; font-weight: 600; text-align: center; padding: 2px 0; letter-spacing: .02em;
}
.cat-photo-uploading { opacity: .5; pointer-events: none; }

/* ── Inventario ── */
.cat-inv-table { width: 100%; border-collapse: collapse; font-size: .9rem; background: #fff; border: 1px solid var(--cat-border); border-radius: var(--cat-radius-lg); overflow: hidden; }
.cat-inv-table th { text-align: left; padding: .7rem .85rem; background: var(--cat-gray-50); border-bottom: 1px solid var(--cat-border); font-weight: 600; color: var(--cat-gray-600); font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
.cat-inv-table td { padding: .6rem .85rem; border-bottom: 1px solid var(--cat-border); vertical-align: middle; }
.cat-inv-table tr:last-child td { border-bottom: none; }
.cat-inv-table tr:hover td { background: var(--cat-gray-50); }
.cat-inv-thumb { width: 38px; height: 38px; border-radius: var(--cat-radius-sm); background: var(--cat-gray-100); object-fit: cover; display: inline-flex; align-items: center; justify-content: center; color: var(--cat-gray-300); font-weight: 600; overflow: hidden; }
.cat-inv-thumb img { width: 100%; height: 100%; object-fit: cover; }
.cat-inv-stock { width: 90px; padding: .35rem .5rem; border: 1px solid var(--cat-border); border-radius: var(--cat-radius-sm); font-size: .875rem; text-align: center; font-family: inherit; }
.cat-inv-stock:focus { outline: none; border-color: var(--cat-gray-400); box-shadow: 0 0 0 3px rgba(0,0,0,.06); }
.cat-stock-pill { font-size: .72rem; font-weight: 600; padding: .12rem .5rem; border-radius: 9999px; }
.cat-stock-pill.ok { background: var(--cat-success-bg); color: var(--cat-success-dark); }
.cat-stock-pill.low { background: var(--cat-warning-bg); color: #B45309; }
.cat-stock-pill.out { background: var(--cat-error-bg); color: #DC2626; }

/* ── Pills / plan ── */
.cat-pill { display: inline-block; font-size: .7rem; font-weight: 600; padding: .15rem .5rem; border-radius: 9999px; vertical-align: middle; }
.cat-pill-free { background: var(--cat-gray-100); color: var(--cat-gray-500); }
.cat-pill-premium { background: var(--cat-primary-50); color: var(--cat-primary-dark); }
.cat-premium-lock { border: 1px solid var(--cat-border); background: var(--cat-gray-50); border-radius: var(--cat-radius-lg); padding: 1rem 1.15rem; color: var(--cat-gray-700); font-size: .9rem; }

/* ── Selector de plan ── */
.cat-plan-picker { }
.cat-plan-opt { flex: 1 1 200px; display: block; cursor: pointer; border: 1px solid var(--cat-border); border-radius: var(--cat-radius-lg); padding: 1rem; transition: border-color .12s, box-shadow .12s; }
.cat-plan-opt:hover { border-color: var(--cat-gray-400); }
.cat-plan-opt input { position: absolute; opacity: 0; pointer-events: none; }
.cat-plan-opt:has(input:checked) { border-color: var(--cat-primary); box-shadow: 0 0 0 1px var(--cat-primary); }
.cat-plan-opt-title { display: block; font-weight: 600; margin-bottom: .35rem; }
.cat-plan-opt-price { display: block; font-size: 1.35rem; font-weight: 600; letter-spacing: -.02em; }
.cat-plan-opt-price small { font-size: .8rem; font-weight: 500; color: var(--cat-muted); }
.cat-badge { display: inline-block; font-size: .66rem; font-weight: 600; padding: .1rem .45rem; border-radius: 9999px; vertical-align: middle; }
.cat-badge-pro { background: var(--cat-primary-50); color: var(--cat-primary-dark); }

/* ── Tabla de facturación ── */
.cat-billing-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.cat-billing-table th { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--cat-border); font-weight: 600; color: var(--cat-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
.cat-billing-table td { padding: .65rem .5rem; border-bottom: 1px solid var(--cat-border); }
.cat-billing-table a { color: var(--cat-primary); font-weight: 500; }

/* ── Landing ── */
.cat-landing { max-width: 1000px; margin: 0 auto; padding: 4rem 1.5rem; text-align: center; }
.cat-landing h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700; letter-spacing: -.04em; }
.cat-landing .lead { color: var(--cat-muted); font-size: 1.15rem; max-width: 620px; margin: 1rem auto 2rem; }
.cat-landing-cta { display: flex; gap: .75rem; justify-content: center; }

/* ── Support: página (fallback) ── */
.cat-support-thread { border: 1px solid var(--cat-border); border-radius: var(--cat-radius-lg); height: 420px; overflow-y: auto; padding: 1rem; background: var(--cat-gray-50); display: flex; flex-direction: column; gap: .5rem; }
.cat-support-msg { max-width: 80%; padding: .55rem .85rem; border-radius: var(--cat-radius-md); font-size: .9rem; line-height: 1.5; }
.cat-support-msg.user { align-self: flex-end; background: var(--cat-primary); color: #fff; border-radius: var(--cat-radius-md) var(--cat-radius-md) var(--cat-radius-sm) var(--cat-radius-md); }
.cat-support-msg.admin { align-self: flex-start; background: #fff; border: 1px solid var(--cat-border); border-radius: var(--cat-radius-md) var(--cat-radius-md) var(--cat-radius-md) var(--cat-radius-sm); }

/* ── Toast ── */
.cat-toast-note { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(10px); background: var(--cat-gray-900); color: #fff; padding: .65rem 1.1rem; border-radius: var(--cat-radius-md); z-index: 10000; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; font-size: .875rem; }
.cat-toast-note.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ══════════════════════════════════════════════
   Burbuja de soporte (estilo localweb, prefijo cat-sc-)
   ══════════════════════════════════════════════ */
#cat-sc { position: fixed; z-index: var(--cat-z-chat); font-family: var(--cat-font); }
.cat-sc-bubble {
    position: fixed; bottom: 28px; right: 28px; width: 60px; height: 60px; border-radius: 9999px;
    background: var(--cat-primary); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
    color: #fff; box-shadow: 0 4px 20px rgba(99,102,241,.35); transition: transform .2s, box-shadow .2s, opacity .2s;
}
.cat-sc-bubble:hover { transform: scale(1.06); box-shadow: 0 6px 24px rgba(99,102,241,.45); }
.cat-sc-bubble:active { transform: scale(.96); }
.cat-sc-bubble svg { width: 28px; height: 28px; }
.cat-sc-bubble .ico-close { display: none; }
#cat-sc.open .cat-sc-bubble { opacity: 0; pointer-events: none; transform: scale(.8); }
.cat-sc-backdrop { display: none; position: fixed; inset: 0; background: rgba(15,23,42,.45); z-index: calc(var(--cat-z-chat) - 1); }
#cat-sc.open .cat-sc-backdrop { display: block; animation: cat-modal-fade .2s ease; }
.cat-sc-panel {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%,-50%) scale(.96);
    width: min(440px, calc(100vw - 32px)); max-height: min(640px, calc(100dvh - 48px));
    background: #fff; border-radius: var(--cat-radius-xl); display: flex; flex-direction: column; overflow: hidden;
    opacity: 0; pointer-events: none; z-index: var(--cat-z-chat);
    transition: opacity .2s, transform .2s;
    box-shadow: 0 24px 48px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.04);
}
#cat-sc.open .cat-sc-panel { opacity: 1; transform: translate(-50%,-50%) scale(1); pointer-events: auto; }
.cat-sc-header { background: var(--cat-sidebar-active); color: var(--cat-sidebar-text-active); padding: 14px 18px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--cat-sidebar-border); }
.cat-sc-header-avatar { width: 34px; height: 34px; border-radius: 9999px; background: var(--cat-primary); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cat-sc-header-avatar svg { width: 18px; height: 18px; }
.cat-sc-header-name { font-size: .95rem; font-weight: 600; letter-spacing: -.01em; }
.cat-sc-header-status { font-size: .75rem; color: var(--cat-sidebar-text); display: flex; align-items: center; gap: 5px; }
.cat-sc-header-status::before { content: ''; width: 7px; height: 7px; background: #34D399; border-radius: 9999px; display: inline-block; }
.cat-sc-close { margin-left: auto; background: none; border: none; color: var(--cat-sidebar-text); cursor: pointer; padding: 4px; border-radius: var(--cat-radius-sm); display: flex; }
.cat-sc-close:hover { color: var(--cat-sidebar-text-active); background: var(--cat-sidebar-hover); }
.cat-sc-close svg { width: 20px; height: 20px; }
.cat-sc-messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 12px; min-height: 0; background: var(--cat-gray-50); }
.cat-sc-msg { max-width: 85%; padding: 11px 15px; font-size: .95rem; line-height: 1.55; word-break: break-word; animation: cat-sc-in .3s ease; }
@keyframes cat-sc-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.cat-sc-msg.bot { align-self: flex-start; background: #fff; color: var(--cat-gray-900); border: 1px solid var(--cat-border); border-radius: var(--cat-radius-md) var(--cat-radius-md) var(--cat-radius-md) var(--cat-radius-sm); }
.cat-sc-msg.user { align-self: flex-end; background: var(--cat-primary); color: #fff; border-radius: var(--cat-radius-md) var(--cat-radius-md) var(--cat-radius-sm) var(--cat-radius-md); }
.cat-sc-empty { color: var(--cat-muted); text-align: center; font-size: .875rem; margin: auto; }
.cat-sc-input-wrap { display: flex; align-items: flex-end; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--cat-border); background: #fff; }
.cat-sc-input { flex: 1; border: 1px solid var(--cat-border); border-radius: var(--cat-radius-sm); padding: .6rem .8rem; font-family: inherit; font-size: .9rem; resize: none; outline: none; max-height: 120px; }
.cat-sc-input:focus { border-color: var(--cat-gray-400); box-shadow: 0 0 0 3px rgba(0,0,0,.06); }
.cat-sc-send { width: 40px; height: 40px; border-radius: var(--cat-radius-sm); background: var(--cat-primary); color: #fff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background .15s; }
.cat-sc-send:hover { background: var(--cat-primary-dark); }
.cat-sc-send svg { width: 18px; height: 18px; }

@media (max-width: 900px) {
    .cat-main { margin-left: 0; }
    .cat-sidebar { transform: translateX(-100%); transition: transform .2s; }
    .cat-sidebar.open { transform: translateX(0); }
    .cat-row { grid-template-columns: 1fr; }
    .cat-content { padding: 1.25rem 1rem 4rem; }
}
@media (max-width: 480px) {
    .cat-sc-panel { top: auto; left: 0; bottom: 0; width: 100%; transform: translateY(100%); border-radius: var(--cat-radius-xl) var(--cat-radius-xl) 0 0; max-height: 85dvh; }
    #cat-sc.open .cat-sc-panel { transform: translateY(0); }
    .cat-sc-bubble { bottom: 20px; right: 20px; }
}