:root{--bg-page: #0f172a;--bg-sidebar: #131d30;--bg-card: #1a2940;--bg-input: #152235;--bg-hover: #203250;--bg-table-header: #1a2940;--bg-section: rgba(96, 199, 243, .06);--text-primary: #f1f5f9;--text-secondary: #bcc9db;--text-muted: #8ea0b4;--text-placeholder: #5e7288;--color-primary: #60c7f3;--color-primary-hover: #38bdf8;--color-primary-light: #a5e0fa;--gradient-primary: linear-gradient(135deg, #60c7f3, #38bdf8);--gradient-accent: linear-gradient(135deg, #60c7f3, #a5b4fc);--border-default: rgba(148, 163, 184, .1);--border-light: rgba(148, 163, 184, .06);--border-focus: #60c7f3;--color-success: #22c55e;--color-success-bg: rgba(34, 197, 94, .15);--color-success-text: #4ade80;--color-danger: #f87171;--color-danger-bg: rgba(248, 113, 113, .15);--color-danger-text: #fca5a5;--color-warning: #fbbf24;--color-warning-bg: rgba(251, 191, 36, .15);--color-warning-text: #fcd34d;--color-info: #60c7f3;--color-info-bg: rgba(96, 199, 243, .1);--shadow-card: 0 1px 6px rgba(0, 0, 0, .2);--shadow-hover: 0 4px 20px rgba(0, 0, 0, .35);--shadow-glow: 0 0 16px rgba(96, 199, 243, .08);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .45)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg-page);color:var(--text-primary)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0b1221,#111d33,#0f1d2d 60%,#0b1221);position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 30% 50%,rgba(96,199,243,.06) 0%,transparent 50%),radial-gradient(ellipse at 70% 20%,rgba(165,180,252,.04) 0%,transparent 50%),radial-gradient(ellipse at 50% 80%,rgba(56,189,248,.03) 0%,transparent 50%)}.login-card{position:relative;z-index:1;background:#1a2940e6;backdrop-filter:blur(20px);border:1px solid rgba(96,199,243,.08);border-radius:16px;padding:48px 40px;width:420px;box-shadow:0 8px 48px #0006,0 0 0 1px #60c7f30f}.login-card h1{font-size:24px;text-align:center;background:var(--gradient-primary);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px;font-weight:700}.login-card .subtitle{text-align:center;color:var(--text-secondary);font-size:14px;margin-bottom:32px}.form-item{margin-bottom:20px}.form-item label{display:block;margin-bottom:6px;font-size:14px;color:var(--text-secondary);font-weight:500}.form-item input{width:100%;padding:12px 16px;border:1.5px solid var(--border-default);border-radius:10px;background:var(--bg-input);color:var(--text-primary);font-size:15px;transition:border-color .2s,box-shadow .2s}.form-item input::placeholder{color:var(--text-placeholder)}.form-item input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #60c7f31a}button[type=submit]{width:100%;padding:13px;background:var(--gradient-primary);border:none;border-radius:10px;font-size:16px;font-weight:700;color:#fff;cursor:pointer;margin-top:8px;transition:all .3s;letter-spacing:1px}button[type=submit]:hover{transform:translateY(-1px);box-shadow:0 4px 16px #60c7f333}button[type=submit]:disabled{opacity:.5;cursor:not-allowed;transform:none}.error{color:var(--color-danger-text);text-align:center;margin-top:12px;font-size:14px}.success{color:var(--color-success-text);text-align:center;margin-top:12px;font-size:14px;font-weight:500}.expire-notice{color:var(--color-warning-text);background:var(--color-warning-bg);padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px;text-align:center;border:1px solid rgba(251,191,36,.2)}.btn-back{width:100%;padding:10px;background:transparent;border:1px solid var(--border-default);color:var(--text-secondary);border-radius:10px;font-size:14px;cursor:pointer;margin-top:8px;transition:all .2s}.btn-back:hover{background:var(--bg-hover);color:var(--text-primary)}.form-item input:disabled{opacity:.5;cursor:not-allowed}.layout{display:flex;min-height:100vh}.sidebar{width:232px;background:var(--bg-sidebar);border-right:1px solid var(--border-default);display:flex;flex-direction:column;flex-shrink:0;box-shadow:2px 0 12px #0003}.sidebar .logo{padding:22px 20px;font-size:16px;font-weight:700;background:var(--gradient-primary);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:10px}.sidebar .logo .icon{font-size:22px}.menu{flex:1;padding:12px 0}.menu-item{display:flex;align-items:center;gap:12px;padding:11px 20px;margin:2px 12px;color:var(--text-muted);border-radius:8px;text-decoration:none;font-size:14px;transition:all .25s}.menu-item:hover{background:var(--bg-hover);color:var(--color-primary)}.menu-item.router-link-active{background:linear-gradient(135deg,#60c7f31a,#38bdf80d);color:var(--color-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--color-primary)}.user-info{padding:16px 20px;border-top:1px solid var(--border-light);font-size:13px;color:var(--text-secondary);display:flex;justify-content:space-between;align-items:center}.user-info button{padding:4px 12px;background:transparent;border:1px solid var(--border-default);color:var(--text-muted);border-radius:6px;cursor:pointer;font-size:12px;transition:all .2s}.user-info button:hover{border-color:var(--color-danger);color:var(--color-danger-text);background:var(--color-danger-bg)}.content{flex:1;padding:28px;overflow-y:auto;background:var(--bg-page)}.dashboard h2{font-size:22px;margin-bottom:24px;color:var(--text-primary);font-weight:700}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:32px}.stat-card{display:block;background:var(--bg-card);border:1px solid var(--border-default);border-radius:14px;padding:24px 20px;text-align:center;text-decoration:none;transition:all .3s;box-shadow:var(--shadow-card);position:relative;overflow:hidden}.stat-card:after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);opacity:0;transition:opacity .3s}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#60c7f333}.stat-card:hover:after{opacity:1}.stat-value{font-size:38px;font-weight:800;color:var(--text-primary)}.stat-label{font-size:13px;color:var(--text-secondary);margin-top:6px;font-weight:500}.stat-card.online .stat-value{color:var(--color-success)}.stat-card.offline .stat-value{color:var(--color-danger)}.quick-links h3{font-size:18px;margin-bottom:16px;color:var(--text-primary);font-weight:600}.links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.link-card{display:flex;flex-direction:column;gap:8px;padding:22px 20px;background:var(--bg-card);border:1px solid var(--border-default);border-radius:12px;text-decoration:none;transition:all .3s;box-shadow:var(--shadow-card)}.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow),var(--shadow-hover);border-color:#60c7f333}.link-icon{font-size:30px}.link-title{font-size:16px;color:var(--text-primary);font-weight:600}.link-desc{font-size:13px;color:var(--text-secondary)}.bigscreen-container{display:flex;flex-direction:column;height:calc(100vh - 56px)}.bigscreen-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.bigscreen-header h2{font-size:20px;color:var(--text-primary);font-weight:700}.actions{display:flex;gap:8px}.actions button{padding:7px 18px;background:var(--bg-card);border:1px solid var(--border-default);color:var(--text-secondary);border-radius:8px;cursor:pointer;font-size:13px;transition:all .2s}.actions button:hover{background:var(--bg-hover);border-color:var(--border-focus);color:var(--color-primary)}.bigscreen-frame{flex:1;border-radius:10px;overflow:hidden;border:1px solid var(--border-default);background:var(--bg-card);box-shadow:var(--shadow-card)}.bigscreen-frame iframe{width:100%;height:100%}.admin-page{padding:4px}.admin-card{background:var(--bg-card);border-radius:12px;padding:24px;margin-bottom:20px;border:1px solid var(--border-default);box-shadow:var(--shadow-card)}.admin-card h3{margin:0 0 16px;font-size:16px;color:var(--text-primary)}.admin-form{max-width:420px}.admin-form .form-item{margin-bottom:14px}.admin-form label{display:block;margin-bottom:5px;font-size:13px;color:var(--text-secondary);font-weight:500}.form-input{width:100%;padding:9px 12px;border:1px solid var(--border-default);border-radius:8px;font-size:14px;color:var(--text-primary);background:var(--bg-input);box-sizing:border-box}.form-input::placeholder{color:var(--text-placeholder)}.form-input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #60c7f31a}.btn-primary{padding:9px 22px;background:var(--color-primary);color:#0f172a;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}.btn-primary:hover{background:var(--color-primary-hover)}.btn-primary:disabled{background:var(--text-muted);cursor:not-allowed}.btn-success{padding:9px 22px;background:#22c55e2e;color:#4ade80;border:1px solid rgba(34,197,94,.25);border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}.btn-success:hover{background:#22c55e47}.btn-success:disabled{background:var(--text-muted);cursor:not-allowed}.btn-secondary{padding:9px 22px;background:var(--bg-hover);color:var(--text-secondary);border:1px solid var(--border-default);border-radius:8px;font-size:14px;cursor:pointer}.btn-secondary:hover{background:#243447;color:var(--text-primary)}.btn-sm{padding:4px 12px;background:var(--color-info-bg);color:var(--color-primary);border:1px solid rgba(96,199,243,.18);border-radius:6px;font-size:12px;cursor:pointer;margin-right:6px}.btn-sm:hover{background:#60c7f324}.btn-danger{color:var(--color-danger-text);border-color:#ef444440;background:var(--color-danger-bg)}.btn-danger:hover{background:#ef444433}.btn-warn{color:var(--color-warning-text);border-color:#f59e0b40;background:var(--color-warning-bg)}.btn-warn:hover{background:#f59e0b2e}.msg-ok{color:var(--color-success-text);font-size:13px;margin-top:8px}.msg-err{color:var(--color-danger-text);font-size:13px;margin-top:8px}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border-light);font-size:13px}.admin-table th{color:var(--text-muted);font-weight:600;background:var(--bg-table-header)}.admin-table tr:hover{background:var(--bg-hover)}.admin-table td{color:var(--text-primary)}.tag-ok{color:var(--color-success-text);background:var(--color-success-bg);padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500}.tag-fail{color:var(--color-danger-text);background:var(--color-danger-bg);padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500}.action-cell{white-space:nowrap}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.info-item{padding:10px 0}.info-item label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:3px}.info-item span{font-size:14px;color:var(--text-primary)}.modal-overlay{position:fixed;inset:0;background:#0b1221bf;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-card{background:var(--bg-card);border-radius:14px;padding:28px;width:440px;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-lg);border:1px solid var(--border-default)}.wide-modal{width:800px}.modal-card h3{margin:0 0 20px;font-size:17px;color:var(--text-primary)}.modal-actions{display:flex;gap:10px;margin-top:18px}.assign-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.assign-panel{border:1px solid var(--border-default);border-radius:10px;padding:14px}.assign-panel h4{margin:0 0 10px;font-size:14px;color:var(--text-secondary)}.device-row{display:flex;justify-content:space-between;align-items:center;padding:7px 0;border-bottom:1px solid var(--border-light);font-size:13px;color:var(--text-primary)}.device-row small{color:var(--text-muted)}.empty-hint{color:var(--text-muted);font-size:13px;padding:12px 0}.menu-divider{border-top:1px solid rgba(148,163,184,.12);margin:8px 16px}.menu-label{padding:6px 20px;font-size:11px;color:#94a3b880;text-transform:uppercase;letter-spacing:1px}.row-locked{opacity:.5;background:#f59e0b0f}.row-locked td{color:var(--text-muted)!important}.tag-locked{color:var(--color-warning-text);background:var(--color-warning-bg);padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500;border:1px solid rgba(245,158,11,.25)}.assign-summary{display:flex;gap:16px;padding:12px 16px;background:var(--bg-hover);border-radius:8px;font-size:13px;color:var(--text-secondary);margin-bottom:8px}