:root{color:#1d2433;background:#f4f7fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}a{color:inherit;text-decoration:none}button{font:inherit}.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{display:flex;flex-direction:column;background:#151923;color:#f8fafc;padding:24px 18px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;margin-bottom:32px}.brand-mark{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:8px;background:#31a37c;color:#fff}.nav-list{display:grid;gap:6px}.nav-item{display:flex;align-items:center;gap:10px;min-height:40px;padding:10px 12px;border-radius:8px;color:#cbd5e1}.nav-item.active,.nav-item:hover{background:#242b38;color:#fff}.content{padding:32px;min-width:0}.sidebar-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:24px;color:#cbd5e1;font-size:.9rem}.page-header{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}.eyebrow{color:#64748b;font-size:.85rem;margin:0 0 4px}h1,h2{margin:0;color:#111827}h1{font-size:2rem}h2{font-size:1rem}.primary-button{min-height:40px;border:0;border-radius:8px;background:#2563eb;color:#fff;padding:0 16px;cursor:pointer}.primary-button:disabled{cursor:wait;opacity:.65}.ghost-button,.danger-button,.icon-button{min-height:36px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#1d2433;cursor:pointer}.ghost-button{padding:0 12px}.danger-button{min-height:36px;padding:0 12px;border-color:#fecaca;background:#fff1f2;color:#b91c1c}.actions-cell{display:flex;gap:8px}.icon-button{display:inline-grid;width:36px;place-items:center}.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(160px,1fr));gap:16px;margin-bottom:24px}.metric-card,.table-panel{background:#fff;border:1px solid #dbe3ef;border-radius:8px}.metric-card{display:grid;gap:10px;padding:18px}.metric-card span{color:#64748b;font-size:.9rem}.metric-card strong{color:#111827;font-size:2rem}.table-panel{overflow:hidden}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:14px 16px;border-bottom:1px solid #e2e8f0;text-align:left;white-space:nowrap}th{color:#64748b;font-size:.78rem;font-weight:700;text-transform:uppercase}td a{color:#2563eb;font-weight:700}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px;border-bottom:1px solid #dbe3ef}.panel-header span{color:#64748b;font-size:.9rem}.empty-state{display:grid;min-height:220px;place-items:center;color:#64748b}.toolbar,.form-grid{display:grid;grid-template-columns:minmax(220px,1fr) auto;gap:12px;margin-bottom:18px}.form-grid{grid-template-columns:repeat(3,minmax(160px,1fr)) auto}input,select,textarea{width:100%;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#111827;font:inherit;padding:10px 12px}textarea{resize:vertical}label{display:grid;gap:6px;color:#475569;font-size:.88rem;font-weight:600}.badge-row{display:flex;flex-wrap:wrap;gap:8px}.badge{display:inline-flex;align-items:center;min-height:24px;border-radius:999px;padding:0 10px;font-size:.78rem;font-weight:700}.status-open,.status-in_analysis,.status-assigned{background:#e0f2fe;color:#075985}.status-in_development,.status-waiting_validation{background:#dcfce7;color:#166534}.status-waiting_customer{background:#fef3c7;color:#92400e}.status-resolved,.status-closed{background:#e2e8f0;color:#334155}.status-canceled{background:#fee2e2;color:#991b1b}.priority-low{background:#e2e8f0;color:#334155}.priority-normal{background:#dbeafe;color:#1d4ed8}.priority-high{background:#fef3c7;color:#92400e}.priority-urgent{background:#fee2e2;color:#991b1b}.login-page{display:grid;min-height:100vh;place-items:center;padding:24px;background:#eef4f8}.login-panel{display:grid;gap:16px;width:min(420px,100%);padding:28px;border:1px solid #dbe3ef;border-radius:8px;background:#fff}.form-error{margin:0;color:#b91c1c}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:18px}.detail-main{min-width:0}.side-panel{display:grid;gap:14px;align-self:start;padding:16px;border:1px solid #dbe3ef;border-radius:8px;background:#fff}.conversation{display:grid;gap:12px;padding:16px}.message{display:grid;gap:6px;padding:14px;border:1px solid #e2e8f0;border-radius:8px;background:#f8fafc}.message span,.message small{color:#64748b;font-size:.82rem}.message p{margin:0;white-space:pre-wrap}.message-form{display:grid;gap:10px;padding:16px;border-top:1px solid #e2e8f0}.meta-list{display:grid;gap:12px;margin:0}.meta-list div{display:grid;gap:4px}.meta-list dt{color:#64748b;font-size:.78rem;font-weight:700;text-transform:uppercase}.meta-list dd{margin:0;color:#111827}.api-key-box{overflow-x:auto;margin:0 0 18px;padding:14px;border:1px solid #bbf7d0;border-radius:8px;background:#f0fdf4;color:#166534}.settings-panel{padding:18px}.settings-grid{display:grid;grid-template-columns:360px minmax(0,1fr);gap:18px}.role-list,.role-form{display:grid;gap:12px}.role-row{display:grid;gap:4px;width:100%;border:1px solid #e2e8f0;border-radius:8px;background:#fff;color:#1d2433;padding:12px;text-align:left;cursor:pointer}.role-row:hover{border-color:#2563eb}.role-row span,.role-row small{color:#64748b}.permission-grid{display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:8px}.checkbox-row{display:flex;align-items:center;gap:8px;min-height:36px;border:1px solid #e2e8f0;border-radius:8px;padding:8px 10px;color:#1d2433;font-weight:500}.checkbox-row input{width:16px;height:16px}@media(max-width:860px){.app-shell{grid-template-columns:1fr}.sidebar{padding:16px}.nav-list{grid-template-columns:repeat(2,minmax(0,1fr))}.content{padding:20px}.page-header{align-items:flex-start;flex-direction:column}.metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-grid,.settings-grid,.form-grid,.toolbar,.permission-grid{grid-template-columns:1fr}}@media(max-width:520px){.nav-list,.metrics-grid{grid-template-columns:1fr}.panel-header{align-items:flex-start;flex-direction:column}}