:root{--primary: #1b5e79;--primary-dark: #11445a;--primary-light: #e3eef3;--background: #f6f8fa;--surface: #ffffff;--text: #1c2733;--text-secondary: #5a6b7b;--border: #dce4ea;--success: #1e8e5a;--warning: #b7791f;--danger: #c0392b}*{box-sizing:border-box}body{margin:0;font-family:Montserrat,sans-serif;background:var(--background);color:var(--text);font-size:14px}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--primary);color:#fff;padding:24px 0;flex-shrink:0}.sidebar h1{font-size:16px;padding:0 20px 16px;margin:0}.sidebar a{display:block;padding:12px 20px;color:var(--primary-light);text-decoration:none}.sidebar a.active,.sidebar a:hover{background:var(--primary-dark);color:#fff}.sidebar button{margin:16px 20px;background:transparent;border:1px solid var(--primary-light);color:#fff;padding:8px 16px;border-radius:8px;cursor:pointer}.content{flex:1;padding:32px;max-width:1100px}.content h2{margin-top:0}.card{background:var(--surface);border-radius:10px;padding:20px;box-shadow:0 2px 8px #1c273314;margin-bottom:16px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border)}th{color:var(--text-secondary);font-size:12px;text-transform:uppercase}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.success{background:#e2f4eb;color:var(--success)}.badge.warning{background:#fcf0dc;color:var(--warning)}.badge.danger{background:#fbe7e4;color:var(--danger)}.badge.info{background:var(--primary-light);color:var(--primary)}form.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-secondary)}input,select,textarea{font-family:inherit;font-size:14px;padding:10px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}button.primary{background:var(--primary);color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-family:inherit;font-weight:600}button.primary:disabled{opacity:.6;cursor:default}button.ghost{background:transparent;color:var(--primary);border:1px solid var(--primary);padding:6px 14px;border-radius:8px;cursor:pointer;font-family:inherit}button.danger-ghost{background:transparent;color:var(--danger);border:1px solid var(--danger);padding:6px 14px;border-radius:8px;cursor:pointer;font-family:inherit}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--primary)}.login-box{background:var(--surface);border-radius:12px;padding:32px;width:360px;display:flex;flex-direction:column;gap:12px}.chat-thread{max-height:480px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding:8px 0}.chat-bubble{max-width:70%;padding:8px 14px;border-radius:14px}.chat-bubble.admin{align-self:flex-end;background:var(--primary);color:#fff}.chat-bubble.client{align-self:flex-start;background:var(--primary-light)}.chat-meta{font-size:10px;opacity:.7;margin-top:2px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.error{color:var(--danger);font-size:13px}