:root{--color-page: #f4f6f9;--color-surface: #ffffff;--color-surface-muted: #f9fbfd;--color-surface-subtle: #f2f4f7;--color-text: #172033;--color-text-secondary: #344054;--color-text-muted: #667085;--color-border: #d9e1ec;--color-border-strong: #c8d1df;--color-primary: #2364d2;--color-primary-hover: #174ea6;--color-danger: #d92d20;--color-danger-hover: #b42318;--space-1: 8px;--space-2: 16px;--space-3: 24px;--space-4: 32px;--radius-sm: 6px;--radius-md: 8px;--shadow-modal: 0 24px 80px rgba(16, 24, 40, .35);font-family:Segoe UI,Microsoft YaHei,Arial,sans-serif;color:var(--color-text);background:var(--color-page)}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--color-page)}button,input,select,textarea{font:inherit}.topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--color-surface);border-bottom:1px solid var(--color-border)}h1,h2,p{margin:0}.topbar p,.panel-title p{margin-top:6px;color:var(--color-text-muted)}.status-grid{display:grid;grid-template-columns:auto auto;gap:6px 16px;padding:12px 16px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-muted)}.status-grid span{color:var(--color-text-muted)}.content{display:grid;gap:20px;padding:var(--space-3) var(--space-4) 40px}.panel{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px;background:var(--color-surface)}.panel-title{margin-bottom:16px}.registration-form{display:grid;grid-template-columns:repeat(2,minmax(240px,1fr));gap:14px}label{display:grid;gap:6px;color:var(--color-text-secondary)}.wide{grid-column:1 / -1}input,select,textarea{width:100%;min-height:40px;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);padding:9px 10px;color:var(--color-text);background:var(--color-surface)}input[readonly]{background:var(--color-surface-subtle)}button{min-height:40px;border:1px solid var(--color-primary);border-radius:var(--radius-sm);padding:8px 14px;color:var(--color-surface);background:var(--color-primary);cursor:pointer}button:hover{background:var(--color-primary-hover)}button:disabled{border-color:var(--color-border-strong);color:var(--color-text-muted);background:var(--color-surface-subtle);cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(35,100,210,.22);outline-offset:2px}.ghost-button{border-color:var(--color-border-strong);color:var(--color-text-secondary);background:var(--color-surface)}.ghost-button:hover{background:var(--color-surface-subtle)}.danger{border-color:var(--color-danger);background:var(--color-danger)}.danger:hover{background:var(--color-danger-hover)}.settings-row,.table-title{display:flex;align-items:end;justify-content:space-between;gap:16px}.table-actions{display:flex;align-items:flex-end;gap:10px}.search-box{width:min(320px,42vw);gap:4px}.settings-row label{width:min(320px,100%)}.message{margin-top:12px;color:#027a48}.error{border:1px solid #fecdca;border-radius:6px;padding:10px 12px;color:#b42318;background:#fffbfa}.muted{color:var(--color-text-muted)}.login-shell{min-height:100vh;display:grid;place-items:center;padding:var(--space-3);background:#eef2f7}.login-panel{width:min(460px,100%);display:grid;gap:18px;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:28px;background:var(--color-surface);box-shadow:0 20px 60px #1018281f}.login-panel p{margin-top:8px;color:var(--color-text-muted)}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}table{width:100%;min-width:1120px;border-collapse:collapse}th,td{border-top:1px solid #e4e7ec;padding:12px 10px;text-align:left;vertical-align:top}th{color:#475467;font-size:13px;font-weight:600;background:#f9fafb}.sort-button{width:100%;min-height:0;display:inline-flex;align-items:center;justify-content:space-between;gap:8px;border:0;border-radius:0;padding:0;color:inherit;background:transparent;text-align:left;cursor:pointer}.sort-button:hover{color:var(--color-primary);background:transparent}.pagination{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:16px}.pagination label{width:120px}.pagination-controls{display:flex;align-items:center;justify-content:flex-end;gap:8px;color:var(--color-text-secondary)}.empty-row td{padding:28px 10px;color:var(--color-text-muted);text-align:center}.mono,.auth-code{font-family:Consolas,Courier New,monospace}.auth-code{font-weight:700;letter-spacing:1px}.modal-backdrop{position:fixed;inset:0;display:grid;place-items:center;padding:24px;background:#1018288c;z-index:20}.modal{width:min(560px,100%);border-radius:var(--radius-md);padding:28px;background:var(--color-surface);box-shadow:var(--shadow-modal)}.modal-code{margin:18px 0;border:1px solid #b2ccff;border-radius:8px;padding:22px;color:#1849a9;background:#eff4ff;font-family:Consolas,Courier New,monospace;font-size:40px;font-weight:800;text-align:center;letter-spacing:6px}dl{display:grid;grid-template-columns:120px 1fr;gap:10px 16px;margin:0 0 22px}dt{color:var(--color-text-muted)}dd{margin:0}@media(max-width:760px){h1{font-size:24px;line-height:1.25}h2{font-size:18px;line-height:1.35}.topbar,.settings-row,.table-title{align-items:stretch;flex-direction:column}.topbar{gap:var(--space-2);padding:var(--space-2)}.status-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px 12px;padding:12px}.status-grid strong{min-width:0;overflow-wrap:anywhere}.ghost-button,.table-title button,.table-actions button,.pagination button,.settings-row button,.registration-form button,.danger{width:100%;min-height:44px}.content{gap:var(--space-2);padding:var(--space-2)}.panel{padding:var(--space-2)}.registration-form{grid-template-columns:1fr;gap:12px}.panel-title{margin-bottom:14px}.settings-row label{width:100%}.table-wrap{overflow:visible}.table-actions,.pagination,.pagination-controls{align-items:stretch;flex-direction:column}.table-actions,.search-box,.pagination label{width:100%}.pagination-controls{gap:10px}table,thead,tbody,tr,th,td{display:block}table{min-width:0}thead{display:none}tbody{display:grid;gap:12px}tr{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:4px 0;background:var(--color-surface)}td{display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px;align-items:start;border-top:0;padding:10px 12px;overflow-wrap:anywhere}td:before{content:attr(data-label);color:var(--color-text-muted);font-size:13px;font-weight:600}.auth-code{letter-spacing:.5px}.empty-row{padding:0}.empty-row td{display:block;padding:24px 12px}.empty-row td:before{content:none}.modal-backdrop{align-items:end;padding:12px}.modal{padding:20px}.modal-code{padding:18px 12px;font-size:30px;letter-spacing:3px;overflow-wrap:anywhere}dl{grid-template-columns:1fr;gap:4px}dd{margin-bottom:10px}}@media(max-width:420px){.topbar p{overflow-wrap:anywhere}.status-grid{grid-template-columns:1fr}td{grid-template-columns:84px minmax(0,1fr)}.modal-code{font-size:26px;letter-spacing:2px}}