:root{--bg:#f4f6f9;--surface:#fff;--surface-soft:#f8fafc;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--primary:#229ed9;--primary-dark:#168ac0;--danger:#dc2626;--shadow:0 12px 32px #0f172a14;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}a{color:inherit}h1,h2,h3,p{margin:0}#app{min-height:100svh}.admin-layout,.mobile-shell,.chat-shell{background:var(--surface);width:min(100%,760px);min-height:100svh;margin:0 auto}.chat-shell{flex-direction:column;height:100svh;display:flex}.admin-layout{padding:24px}.admin-header,.mobile-topbar{z-index:10;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffeb;justify-content:space-between;align-items:center;gap:16px;display:flex;position:sticky;top:0}.admin-header{margin:-24px -24px 24px;padding:18px 24px}.mobile-topbar{min-height:64px;padding:10px 16px}.mobile-title-block{flex:auto;min-width:0}.mobile-title-block .eyebrow{font-size:11px;line-height:1}.mobile-title-block h1{max-width:100%;color:var(--text);overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:16px;font-weight:800;line-height:1.08;display:-webkit-box;overflow:hidden}.chat-topbar{z-index:10;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffffff0;align-items:center;gap:10px;min-height:58px;padding:7px 12px;display:flex;position:sticky;top:0}.chat-back-link{width:28px;height:40px;color:var(--primary);flex:none;place-items:center;font-size:34px;font-weight:400;line-height:1;display:grid}.chat-header-avatar{color:#fff;background:linear-gradient(135deg,#38bdf8,#2563eb);border-radius:50%;flex:none;place-items:center;width:42px;height:42px;font-weight:800;display:grid;overflow:hidden}.chat-header-avatar img{object-fit:cover;width:100%;height:100%}.chat-header-main{flex:1;min-width:0}.chat-header-main h1{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:17px;font-weight:800;line-height:1.15;overflow:hidden}.chat-header-meta{align-items:center;gap:6px;min-width:0;margin-top:2px;display:flex}.chat-subtitle{min-width:0;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;line-height:1.15;overflow:hidden}.chat-header-main .chat-dialog-id{color:var(--primary-dark);background:#e0f2fe;border-radius:999px;flex:none;padding:3px 7px;font-size:11px;font-weight:800;line-height:1}.eyebrow{color:var(--primary);letter-spacing:.08em;text-transform:uppercase;font-size:12px;font-weight:700}.admin-header h1{margin-top:2px;font-size:22px;line-height:1.15}.panel,.status-card{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:18px}.panel{overflow:hidden}.login-panel{margin-bottom:18px}.panel-heading{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:18px;display:flex}.panel-heading h2{font-size:18px}.panel-heading span,.status-card p,.account-card p,.dialog-main p{color:var(--muted)}.status-card{margin:16px;padding:22px}.status-card h2{margin-bottom:8px;font-size:18px}.ghost-button{border:1px solid var(--border);background:var(--surface);color:var(--primary);border-radius:999px;padding:8px 14px}.ghost-button:disabled{color:var(--muted);cursor:wait}.primary-button{background:var(--primary);color:#fff;border:0;border-radius:12px;padding:12px 16px;font-weight:700}.primary-button:disabled{cursor:wait;background:#9ccfe8}.login-form{gap:14px;padding:16px;display:grid}.login-form label{color:var(--muted);gap:6px;font-size:13px;font-weight:700;display:grid}.login-form input{border:1px solid var(--border);background:var(--surface-soft);width:100%;color:var(--text);border-radius:12px;outline:none;padding:12px 14px}.login-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #229ed91f}.form-help,.form-error,.form-success{padding:0 16px 16px;font-size:14px}.form-help{color:var(--muted);padding:0}.form-error{color:var(--danger)}.form-success{color:#047857;word-break:break-all}.form-success a{color:var(--primary-dark);font-weight:700}.account-list{gap:12px;padding:16px;display:grid}.account-card{border:1px solid var(--border);background:var(--surface-soft);border-radius:14px;justify-content:space-between;align-items:center;gap:16px;padding:14px;display:flex}.account-card h3{font-size:16px}.account-card code{color:var(--primary-dark);text-overflow:ellipsis;font-size:12px;overflow:hidden}.account-actions{flex-wrap:wrap;justify-content:flex-end;gap:6px;max-width:52%;display:flex}.mini-button{border:1px solid var(--border);color:var(--primary);background:#fff;border-radius:999px;padding:7px 9px;font-size:12px;font-weight:800;line-height:1;text-decoration:none}.mini-button--danger{color:var(--danger)}.account-action-error{padding:0 16px 16px}.connection-pill{color:#0369a1;background:#e0f2fe;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700}.connection-pill--realtime{color:#047857;background:#ecfdf5}.topbar-actions{flex:none;align-items:center;gap:8px;display:flex}.compose-new-button{background:var(--primary);color:#fff;border:0;border-radius:50%;place-items:center;width:34px;height:34px;font-size:24px;font-weight:600;line-height:1;display:grid}.sync-button{border:1px solid var(--border);color:var(--primary);background:#fff;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}.sync-button:disabled{color:var(--muted);cursor:wait}.dialog-list{padding:8px 0}.compose-modal{z-index:1000;background:#0f172a6b;place-items:end center;padding:16px;display:grid;position:fixed;inset:0}.compose-card{background:#fff;border-radius:22px;gap:14px;width:min(100%,420px);padding:18px;display:grid;box-shadow:0 22px 60px #0f172a38}.compose-card-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.compose-card-header h2{color:var(--text);font-size:18px}.compose-card-header button{background:var(--surface-soft);width:32px;height:32px;color:var(--muted);border:0;border-radius:50%;place-items:center;font-size:24px;line-height:1;display:grid}.compose-card label{color:var(--muted);gap:6px;font-size:13px;font-weight:800;display:grid}.compose-card input,.compose-card textarea{border:1px solid var(--border);background:var(--surface-soft);width:100%;color:var(--text);font:inherit;resize:vertical;border-radius:14px;outline:none;padding:12px 14px}.compose-card input:focus,.compose-card textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #229ed91f}.compose-error{color:var(--danger);font-size:13px}.compose-submit{background:var(--primary);color:#fff;border:0;border-radius:14px;padding:12px 16px;font-weight:800}.compose-submit:disabled{cursor:wait;background:#9ccfe8}.dialog-swipe{position:relative;overflow:hidden}.dialog-swipe .dialog-item{z-index:1;background:var(--surface);transition:transform .2s;position:relative}.dialog-swipe--open .dialog-item{transform:translate(-86px)}.dialog-delete-button{color:#fff;background:#ef4444;border:0;width:86px;font-weight:800;position:absolute;top:0;bottom:0;right:0}.dialog-delete-button:disabled{opacity:.75}.sync-warning{color:#c2410c;background:#fff7ed;border-radius:12px;margin:8px 16px;padding:10px 12px;font-size:13px}.dialog-item{min-height:72px;color:inherit;gap:12px;padding:10px 16px;text-decoration:none;display:flex}.dialog-item+.dialog-item{border-top:1px solid var(--border)}.dialog-item--placeholder{align-items:center}.avatar{color:#fff;background:linear-gradient(135deg,#38bdf8,#2563eb);border-radius:50%;flex:none;place-items:center;width:52px;height:52px;font-weight:800;display:grid;overflow:hidden}.avatar img{object-fit:cover;width:100%;height:100%}.dialog-main{flex:1;min-width:0}.dialog-row{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.dialog-row h2{text-overflow:ellipsis;white-space:nowrap;font-size:16px;overflow:hidden}.dialog-row time{color:var(--muted);flex:none;font-size:12px}.dialog-main p{text-overflow:ellipsis;white-space:nowrap;margin-top:4px;font-size:14px;overflow:hidden}.dialog-meta-row{align-items:center;gap:10px;min-width:0;display:flex}.dialog-meta-row p{flex:1;min-width:0}.unread-badge{background:var(--primary);color:#fff;text-align:center;border-radius:999px;min-width:22px;height:22px;font-size:12px;font-weight:800;line-height:22px}.back-link{color:var(--primary);font-weight:700;text-decoration:none}.chat-content{background:radial-gradient(circle at 20% 20%,#ffffff6b,#0000 26%),linear-gradient(135deg,#dfeaf3,#ecf2f7);flex-direction:column;flex:1;min-height:0;display:flex}.message-list{overflow-anchor:none;background:0 0;flex-direction:column;flex:1;gap:10px;min-height:0;padding:16px;display:flex;overflow-y:auto}.message-row{align-items:flex-end;gap:8px;width:100%;display:flex}.history-loading{color:var(--muted);background:#ffffffd1;border-radius:999px;align-self:center;padding:6px 12px;font-size:12px}.message-date-separator{pointer-events:none;justify-content:center;margin:6px 0;display:flex}.message-date-separator span{color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#63748b6b;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700;line-height:1;box-shadow:0 2px 8px #0f172a1f}.message-row--incoming{justify-content:flex-start}.message-row--outgoing{justify-content:flex-end}.message-sender-avatar{color:#fff;background:linear-gradient(135deg,#38bdf8,#2563eb);border-radius:50%;flex:none;place-items:center;width:30px;height:30px;font-size:12px;font-weight:800;display:grid;overflow:hidden}.message-sender-avatar img{object-fit:cover;width:100%;height:100%}.message-bubble{white-space:pre-wrap;word-break:break-word;border-radius:18px;max-width:82%;padding:8px 10px 6px;box-shadow:0 2px 8px #0f172a14}.message-bubble--incoming{background:#fff;border-bottom-left-radius:6px}.message-bubble--outgoing{background:#d9fdd3;border-bottom-right-radius:6px}.message-sender-name{color:var(--primary-dark);margin-bottom:4px;font-size:12px;line-height:1.1;display:block}.message-text{color:var(--text);font-size:15px;line-height:1.35}.message-mention{color:var(--primary-dark);font-weight:800;text-decoration:none}.message-photo-frame{cursor:zoom-in;background:linear-gradient(90deg,#e2e8f0bf,#f1f5f9e0,#e2e8f0bf);border-radius:14px;outline:none;max-width:min(68vw,360px);max-height:420px;overflow:hidden}.message-photo-frame:focus-visible{box-shadow:0 0 0 3px #229ed933}.message-photo{object-fit:cover;width:100%;height:100%;display:block}.image-preview{z-index:1000;touch-action:none;background:#000000eb;place-items:center;display:grid;position:fixed;inset:0;overflow:hidden}.image-preview-img{object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;max-width:96vw;max-height:90vh;transition:transform 60ms linear}.image-preview-close{top:calc(12px + env(safe-area-inset-top));z-index:1;color:#fff;background:#ffffff2e;border:0;border-radius:50%;place-items:center;width:38px;height:38px;font-size:30px;line-height:1;display:grid;position:absolute;right:14px}.message-media-card{border-radius:12px;outline:none;align-items:center;gap:10px;min-width:220px;max-width:280px;display:flex}.message-media-card--clickable{cursor:pointer}.message-media-card--clickable:focus-visible{box-shadow:0 0 0 3px #229ed933}.message-media-icon{width:42px;height:42px;color:var(--primary);background:#229ed924;border-radius:50%;flex:none;place-items:center;display:grid}.message-media-card strong,.message-media-card span{display:block}.message-media-main{flex:1;min-width:0}.message-media-card strong{max-width:220px;color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.message-media-card span{color:var(--muted);font-size:12px}.message-media-actions{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.message-media-actions button{color:var(--primary);background:#229ed91f;border:0;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:700}.message-meta{justify-content:flex-end;align-items:center;gap:6px;margin-top:4px;display:flex}.message-meta time{color:var(--muted);font-size:11px;line-height:1}.message-status{color:var(--muted);font-size:11px}.message-status--failed,.message-send-error{color:var(--danger)}.message-retry-row{justify-content:flex-end;gap:6px;margin-top:6px;display:flex}.message-retry-row button{color:var(--primary);background:#ffffffbf;border:0;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:800}.message-send-error{margin-top:4px;font-size:12px;line-height:1.25}.chat-composer{border-top:1px solid var(--border);padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:#fffffff5}.composer-row{align-items:flex-end;gap:8px;display:flex}.composer-attach,.composer-send{min-width:42px;height:38px;color:var(--primary);background:#e0f2fe;border:0;border-radius:999px;place-items:center;font-weight:900;display:grid}.composer-attach input{display:none}.composer-input{resize:none;border:1px solid var(--border);min-height:38px;max-height:110px;font:inherit;border-radius:20px;outline:none;flex:1;padding:9px 14px}.composer-input:focus{border-color:var(--primary)}.composer-send{background:var(--primary);color:#fff;padding:0 14px}.composer-send:disabled{opacity:.65}.composer-preview{background:var(--surface-soft);color:var(--muted);border-radius:12px;justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px;padding:8px 10px;font-size:13px;display:flex}.composer-preview span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.composer-preview button{color:var(--danger);background:0 0;border:0;font-weight:800}.composer-error{color:var(--danger);text-align:center;margin-bottom:6px;font-size:13px}@media (width<=640px){.admin-layout{padding:16px}.admin-header{margin:-16px -16px 16px;padding:14px 16px}.admin-header h1{font-size:20px}}