:root{--accent: #10b981;--accent-hover: #059669;--accent-soft: #ecfdf5;--text: #0f172a;--text-muted: #64748b;--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--danger: #dc2626;--danger-bg: #fef2f2;--amber: #b45309;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.brand{font-weight:700;letter-spacing:-.01em;color:var(--text)}.brand-accent{color:var(--accent)}.brand-lg{font-size:1.8rem;margin:0}.shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:24px;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar .brand{font-size:1.15rem}.topnav{display:flex;gap:4px}.navlink{padding:6px 12px;border-radius:8px;color:var(--text-muted);font-weight:600;font-size:14px}.navlink.active{color:var(--accent);background:var(--accent-soft)}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:12px}.biz-name{color:var(--text-muted);font-size:14px}.content{flex:1}.page{max-width:760px;margin:0 auto;padding:24px 20px 64px}.page-title{font-size:1.3rem;margin:0 0 16px}.muted{color:var(--text-muted)}.back-link{color:var(--text-muted);font-size:14px;display:inline-block;margin-bottom:12px}.case-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.case-row{background:var(--surface);border:1px solid var(--border);border-radius:12px}.case-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px}.case-link:hover{border-color:var(--accent)}.case-main{display:flex;flex-direction:column;gap:2px;min-width:0}.case-subject{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.case-from{color:var(--text-muted);font-size:13px}.case-meta{display:flex;align-items:center;gap:8px;flex-shrink:0}.msg-count{color:var(--text-muted);font-size:13px;min-width:18px;text-align:right}.badge{font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent-hover);text-transform:capitalize}.badge.tier-T3{background:var(--danger-bg);color:var(--danger)}.badge.status-routed_to_human{background:#fff7ed;color:var(--amber)}.badge.status-resolved,.badge.status-closed{background:#f1f5f9;color:var(--text-muted)}.case-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.case-head-meta{display:flex;gap:8px;flex-shrink:0}.thread{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:12px}.msg{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px}.msg-outbound{background:var(--accent-soft);border-color:#a7f3d0}.msg-head{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--text-muted);margin-bottom:6px}.msg-body{white-space:pre-wrap;font-size:14px;line-height:1.5}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px 24px;display:flex;flex-direction:column}.login-card .brand-lg{text-align:center}.login-sub{text-align:center;color:var(--text-muted);margin:4px 0 20px}.login-card label{font-size:13px;font-weight:600;margin:12px 0 6px}input{width:100%;padding:11px 13px;border:1.5px solid var(--border);border-radius:9px;font:inherit;font-size:16px}input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #10b9812e}.btn-primary{margin-top:18px;padding:12px 18px;background:var(--accent);color:#fff;border:none;border-radius:10px;font:inherit;font-weight:700;font-size:15px;cursor:pointer}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-primary:disabled{opacity:.6;cursor:default}.btn-ghost{background:transparent;border:1px solid var(--border);border-radius:8px;padding:6px 12px;font:inherit;font-size:14px;cursor:pointer;color:var(--text-muted)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.error-box{background:var(--danger-bg);color:var(--danger);border:1px solid #fecaca;border-radius:8px;padding:10px 12px;font-size:14px;margin:8px 0}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px;margin-bottom:18px}.card-title{font-size:1.05rem;margin:0 0 14px}.card label{display:block;font-size:13px;font-weight:600;margin:12px 0 6px}.readonly{background:#f8fafc;color:var(--text-muted)}.field-note{font-size:12px;color:var(--text-muted);margin-top:6px}.field-note.warn{color:var(--amber)}.field-note code{background:var(--accent-soft);color:var(--accent-hover);padding:1px 5px;border-radius:5px}.form-row{display:flex;align-items:center;gap:12px;margin-top:16px}.saved-msg{color:var(--accent-hover);font-size:14px;font-weight:600}.toggle-list{list-style:none;margin:0;padding:0}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--border)}.toggle-row:first-child{border-top:none}.toggle-info{min-width:0}.toggle-label{font-weight:600;display:flex;align-items:center;gap:8px}.toggle-sub{color:var(--text-muted);font-size:13px;margin-top:2px}.switch{position:relative;width:46px;height:28px;border-radius:999px;border:none;background:#cbd5e1;cursor:pointer;flex-shrink:0;transition:background .14s;padding:0}.switch.on{background:var(--accent)}.switch:disabled{opacity:.5;cursor:default}.switch .knob{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .14s}.switch.on .knob{transform:translate(18px)}.signup-page{min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:40px 20px 64px}.signup-card{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:28px 26px}.signup-card .brand-lg{text-align:center}.signup-sub{color:var(--text-muted);margin:2px 0 18px}.signup-card label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px}.signup-foot{text-align:center;color:var(--text-muted);font-size:14px;margin:18px 0 0}.steps{list-style:none;display:flex;gap:6px;margin:14px 0 20px;padding:0}.step{flex:1;display:flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--text-muted)}.step-dot{width:22px;height:22px;border-radius:50%;background:#e2e8f0;color:var(--text-muted);display:grid;place-items:center;font-size:12px;flex-shrink:0}.step.on .step-dot{background:var(--accent);color:#fff}.step.on{color:var(--text)}.step.past .step-dot{background:var(--accent-soft);color:var(--accent-hover)}.preurl-field{display:flex;align-items:center;border:1.5px solid var(--border);border-radius:9px;overflow:hidden}.preurl-field input{border:none;border-radius:0;box-shadow:none;flex:1;min-width:0}.preurl-field input:focus{box-shadow:none}.preurl-field.ok{border-color:var(--accent)}.preurl-field.bad{border-color:var(--danger)}.preurl-suffix{padding:0 12px;color:var(--text-muted);font-size:14px;white-space:nowrap;background:#f8fafc;align-self:stretch;display:flex;align-items:center}.preurl-status{min-height:18px;font-size:13px;margin-top:6px}.ok-text{color:var(--accent-hover);font-weight:600}.bad-text{color:var(--danger)}.plan-base{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--accent-soft);border:1px solid #a7f3d0;border-radius:12px;padding:14px 16px;margin-bottom:10px}.plan-name{font-weight:700;font-size:1.05rem}.plan-price{font-weight:800;font-size:1.4rem;color:var(--accent-hover)}.per{font-size:.8rem;font-weight:600;color:var(--text-muted)}.addons{border:1px solid var(--border);border-radius:12px;padding:4px 14px}.addon-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--border)}.addon-row:first-child{border-top:none}.addon-info{min-width:0}.addon-label{font-weight:600}.addon-sub{color:var(--text-muted);font-size:12px;margin-top:2px}.stepper{display:flex;align-items:center;gap:8px;flex-shrink:0}.step-btn{width:30px;height:30px;border:1px solid var(--border);background:var(--surface);border-radius:8px;font-size:18px;line-height:1;cursor:pointer;color:var(--text)}.step-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.step-btn:disabled{opacity:.4;cursor:default}.step-val{min-width:18px;text-align:center;font-weight:700}.addon-price{font-size:12px;color:var(--text-muted);min-width:62px;text-align:right}.total-row{display:flex;align-items:center;justify-content:space-between;margin:16px 2px 4px;font-weight:700}.total-amt{font-size:1.3rem}.holiday-note{background:#fffbeb;border:1px solid #fde68a;color:var(--amber);border-radius:10px;padding:10px 12px;font-size:13px;margin-top:10px}.summary{list-style:none;margin:0 0 16px;padding:0;border:1px solid var(--border);border-radius:12px}.summary li{display:flex;justify-content:space-between;gap:12px;padding:11px 14px;border-top:1px solid var(--border);font-size:14px}.summary li:first-child{border-top:none;font-weight:600}.summary-total{font-weight:700;background:#f8fafc}.mock-banner{background:#eff6ff;border:1px solid #bfdbfe;color:#1d4ed8;border-radius:10px;padding:9px 12px;font-size:13px;margin-bottom:6px}.card-row{display:flex;gap:12px}.card-row>div{flex:1}.signup-actions{display:flex;gap:10px;margin-top:20px}.signup-actions .btn-primary{margin-top:0;flex:1}.signup-actions .btn-ghost{padding:12px 18px}.signup-done{text-align:center;padding:12px 0}.done-check{width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;font-size:30px;display:grid;place-items:center;margin:8px auto 14px}.done-title{margin:0 0 8px;font-size:1.25rem}.signup-done .btn-primary{width:100%}.plans{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}.plan-card{text-align:left;width:100%;background:var(--surface);border:1.5px solid var(--border);border-radius:14px;padding:14px 16px;cursor:pointer;font:inherit;color:inherit;transition:border-color .12s,box-shadow .12s}.plan-card:hover{border-color:var(--accent)}.plan-card.on{border-color:var(--accent);box-shadow:0 0 0 3px #10b98129;background:var(--accent-soft)}.plan-card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.plan-card .plan-name{font-weight:700;font-size:1.05rem}.plan-card .plan-price{font-weight:800;font-size:1.25rem;color:var(--accent-hover)}.plan-incl{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:3px}.plan-incl li{font-size:12.5px;color:var(--text-muted);padding-left:16px;position:relative}.plan-incl li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}.ghost-note{font-size:12px;color:var(--text-muted);margin:8px 2px 0}.consent-row{display:flex;gap:9px;align-items:flex-start;margin:16px 0 4px;font-size:12.5px;color:var(--text-muted);line-height:1.45;cursor:pointer}.consent-row input{width:auto;margin-top:2px;flex-shrink:0}