:root,:root[data-theme="warm-light"]{--bg:#f8fafc;--bg-top:#fff7ed;--card:rgba(255,255,255,.92);--card-2:rgba(255,255,255,.72);--text:#1f2937;--muted:#6b7280;--accent:#c2410c;--accent-2:#ea580c;--border:rgba(226,232,240,.95);--success:#166534;--success-bg:#ecfdf5;--success-border:#bbf7d0;--danger-bg:#fef2f2;--danger-border:#fecaca;--danger-text:#991b1b;--warn-bg:#fff7ed;--warn-border:#fdba74;--warn-text:#9a3412;--input-bg:#ffffff;--hero-text:#ffffff;--hero-badge-bg:rgba(255,255,255,.18);--hero-badge-text:#fff7ed;--shadow:0 16px 40px rgba(15,23,42,.08);--glass:blur(14px);--radius:22px}
:root[data-theme="sky-light"]{--bg:#f5f9ff;--bg-top:#dbeafe;--card:rgba(255,255,255,.94);--card-2:rgba(255,255,255,.76);--text:#0f172a;--muted:#475569;--accent:#2563eb;--accent-2:#0ea5e9;--border:rgba(191,219,254,.95);--success:#166534;--success-bg:#ecfdf5;--success-border:#bbf7d0;--danger-bg:#fef2f2;--danger-border:#fecaca;--danger-text:#991b1b;--warn-bg:#eff6ff;--warn-border:#93c5fd;--warn-text:#1d4ed8;--input-bg:#ffffff;--hero-text:#ffffff;--hero-badge-bg:rgba(255,255,255,.18);--hero-badge-text:#eff6ff;--shadow:0 16px 40px rgba(37,99,235,.12);--glass:blur(14px);--radius:22px}
:root[data-theme="mint-light"]{--bg:#f4fff8;--bg-top:#dcfce7;--card:rgba(255,255,255,.94);--card-2:rgba(255,255,255,.76);--text:#14532d;--muted:#4d7c0f;--accent:#15803d;--accent-2:#16a34a;--border:rgba(187,247,208,.95);--success:#166534;--success-bg:#ecfdf5;--success-border:#86efac;--danger-bg:#fef2f2;--danger-border:#fecaca;--danger-text:#991b1b;--warn-bg:#f0fdf4;--warn-border:#86efac;--warn-text:#166534;--input-bg:#ffffff;--hero-text:#ffffff;--hero-badge-bg:rgba(255,255,255,.18);--hero-badge-text:#ecfdf5;--shadow:0 16px 40px rgba(21,128,61,.12);--glass:blur(14px);--radius:22px}
:root[data-theme="graphite-dark"]{--bg:#12161b;--bg-top:#1c2127;--card:rgba(28,33,39,.90);--card-2:rgba(28,33,39,.68);--text:#edf1f5;--muted:#a5afb9;--accent:#7b8794;--accent-2:#4b5563;--border:rgba(85,95,107,.9);--success:#4ade80;--success-bg:#102217;--success-border:#166534;--danger-bg:rgba(127,29,29,.22);--danger-border:#7f1d1d;--danger-text:#fecaca;--warn-bg:rgba(75,85,99,.24);--warn-border:#6b7280;--warn-text:#d1d5db;--input-bg:#171c22;--hero-text:#ffffff;--hero-badge-bg:rgba(255,255,255,.10);--hero-badge-text:#e5e7eb;--shadow:0 18px 46px rgba(0,0,0,.34);--glass:blur(16px);--radius:22px}
:root[data-theme="midnight-blue"]{--bg:#081120;--bg-top:#0f172a;--card:rgba(15,23,42,.88);--card-2:rgba(15,23,42,.62);--text:#e5eefc;--muted:#93c5fd;--accent:#2563eb;--accent-2:#38bdf8;--border:rgba(59,130,246,.28);--success:#4ade80;--success-bg:#102217;--success-border:#166534;--danger-bg:rgba(127,29,29,.22);--danger-border:#7f1d1d;--danger-text:#fecaca;--warn-bg:rgba(30,64,175,.18);--warn-border:#2563eb;--warn-text:#93c5fd;--input-bg:#0b1530;--hero-text:#ffffff;--hero-badge-bg:rgba(255,255,255,.12);--hero-badge-text:#dbeafe;--shadow:0 18px 46px rgba(2,6,23,.38);--glass:blur(16px);--radius:22px}
:root[data-theme="plum-dark"]{--bg:#130c1f;--bg-top:#1e1230;--card:rgba(30,18,48,.88);--card-2:rgba(30,18,48,.62);--text:#f5ecff;--muted:#d8b4fe;--accent:#8b5cf6;--accent-2:#a855f7;--border:rgba(168,85,247,.28);--success:#4ade80;--success-bg:#102217;--success-border:#166534;--danger-bg:rgba(127,29,29,.22);--danger-border:#7f1d1d;--danger-text:#fecaca;--warn-bg:rgba(107,33,168,.18);--warn-border:#8b5cf6;--warn-text:#d8b4fe;--input-bg:#1b1230;--hero-text:#ffffff;--hero-badge-bg:rgba(255,255,255,.12);--hero-badge-text:#f3e8ff;--shadow:0 18px 46px rgba(0,0,0,.34);--glass:blur(16px);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,rgba(255,255,255,.28),transparent 26%),linear-gradient(180deg,var(--bg-top) 0%,var(--bg) 220px);color:var(--text)}
.wrap{max-width:1380px;margin:0 auto;padding:26px 20px 52px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;flex-wrap:wrap;margin-bottom:18px}.top-right-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.theme-shell,.status-box,.panel,.master-toolbar{backdrop-filter:var(--glass)}.theme-shell{display:inline-flex;gap:10px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:10px 12px;box-shadow:var(--shadow)}.theme-label{font-size:.9rem;color:var(--muted);font-weight:700;white-space:nowrap}.theme-select,input[type="password"],input[type="text"],input[type="number"],select,textarea,.danger-input,input[type="file"]{width:100%;border:1px solid var(--border);border-radius:16px;padding:12px 14px;background:var(--input-bg);color:var(--text);font:inherit;outline:none}.theme-select{min-width:200px}
textarea{min-height:118px;resize:vertical;line-height:1.5}.textarea-medium{min-height:150px}.textarea-large{min-height:210px}
.status-box{padding:12px 14px;border-radius:16px;font-weight:700;border:1px solid transparent;background:var(--card)}.status-box.success{background:var(--success-bg);border-color:var(--success-border);color:var(--success)}.status-box.error{background:var(--danger-bg);border-color:var(--danger-border);color:var(--danger-text)}
.hero{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:var(--hero-text);border-radius:28px;padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden;margin-bottom:22px}.hero::before,.hero::after{content:"";position:absolute;border-radius:999px;background:rgba(255,255,255,.12)}.hero::before{width:180px;height:180px;left:-40px;top:-40px}.hero::after{width:240px;height:240px;right:-80px;bottom:-80px}
h1{margin:0 0 10px;font-size:clamp(2rem,4vw,3rem);line-height:1.05;position:relative;z-index:1}h2{margin:0 0 14px}.lead{margin:0;max-width:820px;font-size:1.02rem;line-height:1.65;color:rgba(255,255,255,.92);position:relative;z-index:1}.badge{display:inline-block;padding:7px 12px;border-radius:999px;background:var(--hero-badge-bg);color:var(--hero-badge-text);font-size:.82rem;font-weight:700;margin-bottom:12px;position:relative;z-index:1}
button,.link-btn{border:0;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:white;padding:11px 15px;border-radius:14px;font-weight:700;cursor:pointer;text-decoration:none;transition:transform .15s ease,filter .15s ease,opacity .15s ease;box-shadow:0 10px 22px rgba(0,0,0,.12);display:inline-flex;align-items:center;gap:8px;font-size:.94rem;flex:0 0 auto}button:hover,.link-btn:hover{transform:translateY(-1px);filter:brightness(1.03)}button.ghost,.link-btn.ghost{background:var(--card);color:var(--accent);border:1px solid var(--border);box-shadow:none}button.secondary{background:var(--card);color:var(--text);border:1px solid var(--border);box-shadow:none}button.icon-small{padding:7px 10px;border-radius:12px;font-size:.82rem;line-height:1;box-shadow:none;min-width:36px;justify-content:center}button.copied{background:linear-gradient(135deg,#15803d,#16a34a)}button:disabled{opacity:.45;cursor:not-allowed;transform:none!important;filter:none!important}
.panel{background:var(--card);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow)}.card{border:1px solid var(--border);border-radius:20px;padding:16px;background:var(--card-2);margin-bottom:14px;box-shadow:0 3px 14px rgba(15,23,42,.04)}.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px}.meta{color:var(--muted);font-size:.88rem;margin-top:4px}.hint{font-size:.9rem;color:var(--muted);margin:0 0 14px;line-height:1.5}
.content{padding:16px;position:relative}.small-actions{display:flex;gap:8px;flex-wrap:wrap}.field-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin:8px 0 8px}.toolbar-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.char-badge{padding:7px 10px;border-radius:12px;border:1px solid var(--border);font-size:.82rem;background:var(--card);font-weight:700}.char-badge.warn{background:var(--warn-bg);border-color:var(--warn-border);color:var(--warn-text)}.char-badge.danger{background:var(--danger-bg);border-color:var(--danger-border);color:var(--danger-text)}
.preview-box{border:1px dashed var(--border);border-radius:16px;padding:12px;background:var(--input-bg);margin-top:8px}.preview-title{font-size:.8rem;color:var(--muted);font-weight:700;margin-bottom:8px}.chat-preview{display:flex;gap:10px;align-items:flex-start}.chat-avatar{width:30px;height:30px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem;flex:0 0 30px}.chat-bubble{max-width:100%;padding:10px 12px;border-radius:14px 14px 14px 6px;background:rgba(255,255,255,.45);border:1px solid var(--border);white-space:pre-wrap;word-break:break-word;font-size:.95rem;line-height:1.45}
.split-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.section-kicker{font-size:.78rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}.channel-panel{padding:18px;margin-bottom:20px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}.channel-card{padding:16px}.channel-card h3{margin:0 0 8px;font-size:1.03rem}.card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.channel-create-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:center}
details.danger-zone{margin-top:16px;border-top:1px dashed var(--border);padding-top:16px}details.danger-zone summary{cursor:pointer;color:var(--muted);font-weight:700}.danger-box{margin-top:12px;padding:14px;border-radius:18px;background:var(--danger-bg);border:1px solid var(--danger-border)}
.login-card{max-width:560px;margin:0 auto;padding:30px}.muted{color:var(--muted);line-height:1.6;margin-bottom:18px}
@media (max-width:980px){.split-2{grid-template-columns:1fr}.channel-create-grid{grid-template-columns:1fr}.topbar{align-items:stretch}}
@media (max-width:740px){.card-head{flex-direction:column}.topbar{align-items:stretch}}