:root{--bg:#eef1f4;--panel:#ffffff;--panel-soft:#f8faf9;--text:#17201d;--muted:#66736f;--line:#dce3e0;--line-strong:#c7d1cd;--accent:#128c7e;--accent-strong:#0b6f63;--accent-soft:#e5f5f1;--success:#1f9d55;--warn:#b54708;--nav:#10201c;--nav-soft:#18332d;--shadow:0 18px 40px rgba(16,32,28,0.08)}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{border:0}h1,h2,h3,p{margin-top:0}.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}.nav{background:var(--nav);color:white;padding:18px 14px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:8px 8px 18px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:14px}.brand-mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:8px;background:#25d366;color:#062a20;font-weight:800}.brand small,.brand strong{display:block}.brand strong{font-size:15px}.brand small{color:#a7bbb5;margin-top:2px}.nav-section{display:grid;grid-gap:4px;gap:4px}.nav a:not(.brand){display:flex;align-items:center;gap:10px;color:#d9e5e1;padding:10px;border-radius:8px}.nav a:not(.brand):hover{background:var(--nav-soft);color:white}.main{min-width:0;height:100vh;overflow:auto;padding:22px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.toolbar h2{margin-bottom:4px;font-size:24px;letter-spacing:0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}.list{display:grid;grid-gap:8px;gap:8px}.row{display:block;padding:13px 16px;border-bottom:1px solid var(--line)}.row:last-child{border-bottom:0}.row p{margin:8px 0 0}.muted{color:var(--muted);font-size:13px}.badge{display:inline-flex;align-items:center;white-space:nowrap;border:1px solid var(--line-strong);border-radius:999px;padding:3px 9px;font-size:12px;color:#43524e;background:#f6f8f7}.badge.warn{border-color:#fedf89;color:var(--warn);background:#fffaeb}.badge.success{border-color:#b7e4c7;color:#11633b;background:#ecfdf3}.grid{grid-gap:14px}.grid,.stats{display:grid;gap:14px}.stats{grid-template-columns:repeat(4,minmax(140px,1fr));grid-gap:14px;margin-bottom:14px}.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;box-shadow:var(--shadow)}.stat span{display:block;font-size:30px;line-height:1;font-weight:800}.stat label{display:block;color:var(--muted);margin-top:8px}.grid.two{grid-template-columns:minmax(300px,420px) minmax(0,1fr)}.input,.select,.textarea{width:100%;border:1px solid var(--line-strong);border-radius:8px;padding:10px 11px;background:white;color:var(--text)}.input:focus,.select:focus,.textarea:focus{border-color:var(--accent);outline:3px solid rgba(18,140,126,.14)}.textarea{min-height:110px;resize:vertical}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;border-radius:8px;padding:9px 13px;background:var(--accent);color:white;cursor:pointer;font-weight:700}.button:hover{background:var(--accent-strong)}.button.secondary{background:#33423e}.button.light{background:white;color:var(--text);border:1px solid var(--line-strong)}.button.light:hover{background:var(--panel-soft)}.icon-button{width:38px;height:38px;border-radius:8px;border:1px solid var(--line-strong);display:inline-grid;place-items:center;background:white;color:var(--text);cursor:pointer}.toggle-row{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid var(--line);border-radius:8px;padding:12px;background:var(--panel-soft)}.toggle-row span span{display:block;margin-top:3px}.toggle-row input{width:44px;height:24px;accent-color:var(--accent)}.crm-overview{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(320px,.8fr);grid-gap:14px;gap:14px}.conversation-list{display:grid}.conversation-row{width:100%;display:grid;grid-gap:6px;gap:6px;padding:13px 16px;background:white;color:var(--text);text-align:left;border-bottom:1px solid var(--line);cursor:pointer}.conversation-row.active,.conversation-row:hover{background:var(--accent-soft)}.conversation-row:last-child{border-bottom:0}.chat-header,.composer-actions,.quick-actions,.row-meta,.row-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.contact-line{min-width:0;display:flex;align-items:center;gap:9px}.avatar{flex:0 0 auto;display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#d8f4e7;color:#0a6a4d;font-weight:800}.truncate{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.inbox-workspace{display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);grid-gap:0;gap:0;height:calc(100vh - 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