:root{--background:#f6f7f9;--surface:#ffffff;--surface-soft:#eef4f1;--text:#18211f;--muted:#66706d;--line:#dce3e0;--primary:#176b5b;--primary-dark:#0f4f43;--danger:#b42318;--warning:#a15c07;--ok:#16794c;--shadow:0 14px 45px rgba(24,33,31,0.08)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--background);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{align-items:center;border:0;border-radius:8px;cursor:pointer;display:inline-flex;gap:8px;justify-content:center;min-height:40px;padding:0 14px;transition:background .14s ease,border .14s ease,color .14s ease}button:disabled{cursor:not-allowed;opacity:.6}input,select,textarea{background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--text);min-height:40px;padding:9px 11px;width:100%}textarea{min-height:80px;resize:vertical}label{color:var(--muted);display:grid;font-size:13px;grid-gap:6px;gap:6px}.auth-shell{display:grid;min-height:100vh;place-items:center;padding:24px}.login-panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);max-width:420px;padding:28px;width:100%}.login-panel h1,.page-title h1{font-size:28px;line-height:1.15;margin:0}.login-panel p,.page-title p{color:var(--muted);margin:8px 0 0}.form-stack{display:grid;grid-gap:16px;gap:16px;margin-top:24px}.app-shell{min-height:100vh}.topbar{align-items:center;background:#fff;border-bottom:1px solid var(--line);display:flex;gap:16px;justify-content:space-between;padding:14px clamp(16px,4vw,40px);position:-webkit-sticky;position:sticky;top:0;z-index:10}.brand{display:grid;grid-gap:2px;gap:2px}.brand strong{font-size:16px}.brand span,.small-muted{color:var(--muted);font-size:13px}.nav{align-items:center;display:flex;flex-wrap:wrap;gap:8px}.nav 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span{color:var(--muted);display:block;font-size:13px}.stat strong{display:block;font-size:24px;margin-top:6px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;min-width:860px;width:100%}td,th{border-bottom:1px solid var(--line);font-size:14px;padding:12px 10px;text-align:left;vertical-align:middle}.cell-note{color:var(--muted);display:block;font-size:12px;margin-top:5px}.modal-backdrop{align-items:center;background:rgba(24,33,31,.42);display:flex;inset:0;justify-content:center;padding:20px;position:fixed;z-index:50}.modal-panel{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);display:grid;grid-gap:18px;gap:18px;max-width:460px;padding:22px;width:100%}.modal-panel h2{font-size:20px;margin:0}.modal-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}th{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase}.actions,.tabs{display:flex;flex-wrap:wrap;gap:8px}.tabs{align-items:center}.secondary-tabs{margin-top:-10px}.tab-button{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:700}.tab-button.active{background:var(--primary);border-color:var(--primary);color:#fff}.tab-button span{align-items:center;background:rgba(24,33,31,.08);border-radius:999px;display:inline-flex;font-size:12px;justify-content:center;min-width:24px;padding:2px 7px}.tab-button.active span{background:rgba(255,255,255,.2)}.status{border-radius:999px;display:inline-flex;font-size:12px;font-weight:700;padding:5px 9px}.status.ASSIGNED,.status.OPENED{background:#fff7ed;color:var(--warning)}.status.ATTENDED{background:#ecfdf3;color:var(--ok)}.error,.status.CLOSED_NO_RESPONSE,.status.EXPIRED,.status.REASSIGN_REQUESTED{background:#fff2f0;color:var(--danger)}.error,.success{border-radius:8px;padding:10px 12px}.success{background:#ecfdf3;color:var(--ok)}.notification-panel{align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);display:flex;gap:14px;justify-content:space-between;padding:14px 16px}.notification-panel div:first-child{display:grid;grid-gap:3px;gap:3px}.notification-panel strong{font-size:15px}.notification-panel p,.notification-panel span{color:var(--muted);font-size:13px;margin:0}.notification-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.conversation-card-list{display:none}.conversation-card{background:#fff;border:1px solid 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span{font-size:12px}.nav{display:grid;grid-template-columns:1fr 1fr}.nav,.nav a,.nav button{width:100%}.content{gap:16px;padding:20px 12px 36px}.login-panel h1,.page-title h1{font-size:24px}.notification-actions,.notification-actions button,.page-title .secondary-button{width:100%}.notification-panel{align-items:stretch;flex-direction:column}.panel{padding:12px}.table-wrap{display:none}.conversation-card-list{display:grid;grid-gap:12px;gap:12px}.conversation-card-details{grid-template-columns:1fr}.mobile-actions,.mobile-actions button,.modal-actions,.modal-actions button{width:100%}}