:root{--bg: #f5f6f8;--card: #ffffff;--ink: #1c2430;--mut: #697386;--acc: #0d5c63;--acc-soft: rgba(13, 92, 99, .12);--line: #e3e6ea;--side: #142b2e;--danger: #b3261e;--ok-bg: #f0fdf4;--warn-bg: #fff8e6}*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}a{color:var(--acc)}.app{display:flex;height:100vh}.sidebar{width:220px;min-width:220px;background:var(--side);color:#cfe0e2;display:flex;flex-direction:column}.logo{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.08)}.logo b{color:#fff;font-size:16px}.logo span{display:block;font-size:11px;color:#7fa5a9}.nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px}.nav a,.side-btn{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:7px;color:#9fbcbf;text-decoration:none;font-size:14px;font-weight:500;background:none;border:none;cursor:pointer;width:100%;text-align:left}.nav a:hover,.side-btn:hover{color:#fff}.nav a.active{background:#ffffff1f;color:#fff}.side-footer{padding:12px 10px;border-top:1px solid rgba(255,255,255,.08)}.main{flex:1;overflow:auto;display:flex;flex-direction:column}.topbar{background:var(--card);border-bottom:1px solid var(--line);height:52px;display:flex;align-items:center;justify-content:flex-end;padding:0 24px;color:var(--mut);font-size:13px;flex-shrink:0}.content{flex:1;padding:24px;overflow:auto}h1{font-size:1.25rem;margin:0 0 1rem}h2{font-size:1.05rem;margin:0 0 .8rem}.mut{color:var(--mut)}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1.2rem;margin-bottom:1rem}.card.warn{background:var(--warn-bg);border-color:#f0dfa8}.card.ok{background:var(--ok-bg);border-color:#bbf7d0}.grid{display:flex;gap:1rem;flex-wrap:wrap}.grid .card{flex:1;min-width:200px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line)}th{color:var(--mut);font-weight:600;font-size:.8rem;text-transform:uppercase}tr:hover td{background:#fafbfc}.badge{display:inline-block;background:#eef2f4;border-radius:20px;padding:.05rem .6rem;font-size:.8rem;margin-right:.3rem}.badge.active{background:var(--acc);color:#fff}.chip-row{margin-bottom:1rem}.chip-row .badge{cursor:pointer;border:none}.bubble{max-width:75%;padding:.55rem .8rem;border-radius:12px;margin:.3rem 0}.b-user{background:#e8f0fe;margin-right:auto}.b-agent{background:#e6f4ea;margin-left:auto}.who{font-size:.72rem;color:var(--mut);margin-bottom:.1rem}input,select,button,textarea{font:inherit;padding:.5rem .7rem;border:1px solid var(--line);border-radius:8px}button.primary{background:var(--acc);color:#fff;border:none;cursor:pointer}button.ghost{background:#fff;cursor:pointer}form.stack{display:grid;gap:.7rem;max-width:540px}label.field{display:grid;gap:.3rem;font-size:.85rem;color:var(--mut)}label.field input,label.field select{width:100%}.err{color:var(--danger);font-size:.9rem}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:1000;display:flex;align-items:center;justify-content:center}.modal{background:#fff;border-radius:12px;padding:24px;width:400px;box-shadow:0 20px 60px #0000004d}.modal.wide{width:640px;max-height:88vh;overflow-y:auto}.modal .cols{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}textarea{width:100%;min-height:140px;resize:vertical;font-size:.85rem}.section-title{font-size:.78rem;text-transform:uppercase;color:var(--mut);margin:.8rem 0 .2rem;font-weight:600}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:360px}