*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#2563eb;--primary-dark:#1d4ed8;--success:#16a34a;--danger:#dc2626;
  --warning:#d97706;--bg:#f0f4f8;--card:#fff;--text:#1e293b;--muted:#64748b;
  --border:#e2e8f0;--radius:10px;--shadow:0 2px 12px rgba(0,0,0,.08)
}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

.navbar{background:linear-gradient(135deg,#1e40af,#2563eb);color:#fff;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px rgba(37,99,235,.3)}
.navbar .logo{font-size:20px;font-weight:700;letter-spacing:1px}
.navbar .nav-links{display:flex;gap:20px;align-items:center}
.navbar .nav-links a{color:rgba(255,255,255,.9);font-size:14px}
.navbar .nav-links a:hover{color:#fff;text-decoration:none}
.navbar .user-info{font-size:13px;opacity:.85}

.app-header{background:linear-gradient(135deg,#1e40af,#2563eb);color:#fff;height:52px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px rgba(37,99,235,.25);position:sticky;top:0;z-index:100}
.app-header-left{display:flex;align-items:center;gap:10px;min-width:0}
.app-header-logo{font-size:17px;font-weight:700;color:#fff;text-decoration:none;white-space:nowrap}
.app-header-logo:hover{text-decoration:none;color:#fff}
.app-header-back{color:rgba(255,255,255,.9);font-size:14px;white-space:nowrap}
.app-header-back:hover{color:#fff;text-decoration:none}
.app-header-right{display:flex;align-items:center;gap:10px;font-size:13px}
.app-header-user{opacity:.9;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.app-header-link{color:#fff;opacity:.95}
.app-header-link:hover{color:#fff;text-decoration:none;opacity:1}

body.has-bottom-nav{padding-bottom:60px}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:56px;background:#fff;border-top:1px solid var(--border);display:flex;z-index:200;box-shadow:0 -2px 10px rgba(0,0,0,.06)}
.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:11px;text-decoration:none;transition:color .2s}
.bottom-nav-item:hover{text-decoration:none;color:var(--primary)}
.bottom-nav-item.active{color:var(--primary)}
.bottom-nav-icon{font-size:20px;line-height:1}
.bottom-nav-label{line-height:1.2}

.container{max-width:1100px;margin:0 auto;padding:24px 16px}
.page-title{font-size:24px;font-weight:700;margin-bottom:20px;color:var(--text)}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px;border:1px solid var(--border)}
.card-title{font-size:16px;font-weight:600;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}

.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}

.btn{display:inline-block;padding:8px 18px;border-radius:6px;border:none;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:4px 12px;font-size:12px}
.btn-block{display:block;width:100%}

.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:4px;color:var(--muted)}
.form-control{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;transition:border .2s}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
textarea.form-control{resize:vertical;min-height:80px}
select.form-control{cursor:pointer}

.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}
.badge-blue{background:#dbeafe;color:#1d4ed8}
.badge-green{background:#dcfce7;color:#15803d}
.badge-red{background:#fee2e2;color:#b91c1c}
.badge-yellow{background:#fef3c7;color:#b45309}
.badge-gray{background:#f1f5f9;color:#475569}

.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}
th{background:#f8fafc;font-weight:600;color:var(--muted);font-size:13px}
tr:hover td{background:#f8fafc}

.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:14px}
.alert-info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}
.alert-success{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}
.alert-danger{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.alert-warning{background:#fffbeb;color:#b45309;border:1px solid #fde68a}

.position-card{cursor:pointer;transition:transform .2s,box-shadow .2s}
.position-card:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(0,0,0,.12)}
.position-card h3{font-size:17px;margin-bottom:8px}
.position-card .meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.position-card .salary{color:var(--danger);font-weight:600;font-size:16px}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a 0%,#2563eb 50%,#3b82f6 100%)}
.login-box{background:#fff;border-radius:12px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.login-box h1{text-align:center;font-size:22px;margin-bottom:6px}
.login-box .subtitle{text-align:center;color:var(--muted);font-size:14px;margin-bottom:24px}

.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:20px}
.tab{padding:10px 20px;cursor:pointer;font-size:14px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px}
.tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-content{display:none}
.tab-content.active{display:block}

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}
.modal{background:#fff;border-radius:12px;padding:24px;width:90%;max-width:560px;max-height:90vh;overflow-y:auto}
.modal h3{margin-bottom:16px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}

.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}
.empty-state .icon{font-size:48px;margin-bottom:12px}

/* 面试房间 */
.interview-room{display:grid;grid-template-columns:1fr 320px;gap:16px;height:calc(100vh - 80px)}
.video-area{background:#0f172a;border-radius:12px;position:relative;overflow:hidden;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;padding:8px}
.video-box{position:relative;background:#1e293b;border-radius:8px;overflow:hidden;min-width:200px;flex:1}
.video-box video{width:100%;height:100%;object-fit:cover;min-height:200px}
.video-box .label{position:absolute;bottom:8px;left:8px;background:rgba(0,0,0,.6);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.video-controls{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:10}
.video-controls .btn{border-radius:50%;width:44px;height:44px;padding:0;display:flex;align-items:center;justify-content:center;font-size:18px}
.side-panel{display:flex;flex-direction:column;gap:12px;overflow-y:auto}

/* 管理工作台 */
.admin-layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 60px)}
.admin-sidebar{background:#1e293b;color:#fff;padding:16px 0}
.admin-sidebar a{display:block;padding:10px 20px;color:rgba(255,255,255,.75);font-size:14px;transition:all .2s}
.admin-sidebar a:hover,.admin-sidebar a.active{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
.admin-content{padding:24px;overflow-y:auto}

.work-header{background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;border-radius:12px;padding:24px;margin-bottom:20px}
.work-header .emp-no{font-size:28px;font-weight:700}
.work-header .position{font-size:16px;opacity:.9;margin-top:4px}
.work-actions{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-bottom:20px}
.work-action-btn{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px;text-align:center;cursor:pointer;transition:all .2s}
.work-action-btn:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.work-action-btn .icon{font-size:28px;margin-bottom:6px}
.work-action-btn .label{font-size:13px;font-weight:500}

.exam-question{margin-bottom:20px;padding:16px;background:#f8fafc;border-radius:8px}
.exam-question h4{margin-bottom:10px}
.exam-option{display:block;padding:8px 12px;margin:4px 0;border-radius:6px;cursor:pointer;border:1px solid transparent}
.exam-option:hover{background:#eff6ff}
.exam-option.selected{background:#dbeafe;border-color:var(--primary)}

@media(max-width:768px){
  .admin-layout{grid-template-columns:1fr}
  .admin-sidebar{display:flex;overflow-x:auto;padding:8px}
  .admin-sidebar a{white-space:nowrap;padding:8px 14px}
  .interview-room{grid-template-columns:1fr;height:auto}
}