@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap");
:root{--bg:#0b0f19;--bg-soft:#0f172a;--sidebar:#111827;--text:#e5e7eb;--muted:#94a3b8;--primary:#3b82f6;--primary-hover:#2563eb;--success:#22c55e;--success-hover:#16a34a;--panel:#0e1526;--border:#1f2a37;--panel-gap-x:20px;--panel-gap-y:20px}
html,body{height:100%;margin:0;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 100%);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
.navbar-inverse{border:0;border-radius:0;background:var(--sidebar);box-shadow:0 10px 30px rgba(0,0,0,.12)}
.navbar-inverse .navbar-brand{color:var(--text)}
.navbar-inverse .navbar-nav>li>a{color:var(--text)}
.navbar-fixed-top{margin-bottom:0}
.sidebar{position:fixed;top:50px;left:0;bottom:0;width:260px;background:var(--sidebar);color:var(--text);overflow-y:auto}
.sidebar .panel{height:100%;margin:0;border-radius:0;border:0;background:transparent;color:var(--text)}
.sidebar .panel-heading{background:var(--panel);border-bottom:1px solid var(--border);color:var(--text);margin:0;padding:14px 18px;font-weight:700}
.list-group{margin:0}
.list-group-item{background:transparent;color:var(--muted);border:0;border-left:4px solid transparent;padding:12px 18px;transition:transform .15s ease, background .15s ease, color .15s ease;border-radius:10px;margin:4px 10px;display:flex;align-items:center;gap:10px;position:relative}
.list-group-item:hover{background:var(--panel);color:var(--text);border-left-color:var(--primary);transform:translateX(2px)}
.list-group-item.active{background:var(--panel);color:var(--text);border-left-color:var(--primary);box-shadow:inset 0 0 0 1px var(--border), 0 8px 16px rgba(0,0,0,.06);font-weight:600}
.list-group-item.active .menu-icon{opacity:1}
.menu-icon{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;opacity:.85}
.content{position:fixed;top:50px;left:260px;right:0;bottom:0;overflow:auto;background:var(--bg-soft)}
.content-frame{display:block;width:100%;height:100%;border:0;background:transparent}
.panel{border-radius:10px;border:1px solid var(--border);box-shadow:0 12px 24px rgba(2,6,23,.3);background:var(--panel);color:var(--text);margin:var(--panel-gap-y) var(--panel-gap-x)}
.panel-heading{border-top-left-radius:10px;border-top-right-radius:10px;background:var(--panel);border-bottom:1px solid var(--border);font-weight:700;color:var(--text)}
.panel.panel-default{border:1px solid var(--border);background:var(--panel);box-shadow:0 12px 24px rgba(2,6,23,.26)}
.panel.panel-default .panel-heading{background:var(--panel);border-bottom:1px solid var(--border);padding:14px 18px;display:flex;align-items:center;justify-content:space-between}
.panel-title{margin:0;font-size:16px;font-weight:700;color:var(--text);position:relative;padding-left:12px}
.panel-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:16px;background:var(--primary);border-radius:8px}
.panel-actions{display:flex;gap:8px}
.btn{border-radius:8px;transition:all .2s ease}
.btn-primary{background:var(--primary);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn-success{background:var(--success);border-color:var(--success)}
.btn-success:hover{background:var(--success-hover);border-color:var(--success-hover)}
.table{background:transparent;color:var(--text)}
.table>thead>tr>th{background:var(--panel);font-weight:600;border-color:var(--border)}
.table>tbody>tr{background:transparent}
.table>tbody>tr:nth-child(odd){background:var(--bg-soft)}
.table>tbody>tr:hover{background:var(--bg-soft)}
.table>tbody>tr>td{border-color:var(--border)}
.empty-cell{color:var(--muted);text-align:center}
.empty-cell::before{content:"⟲";display:inline-block;margin-right:8px;opacity:.6}
.table-card{border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:0 12px 24px rgba(2,6,23,.3);background:transparent}
.table-modern{width:100%;border-collapse:separate;border-spacing:0}
.table-modern thead th{padding:14px 16px;border-bottom:1px solid var(--border)}
.table-modern tbody td{padding:12px 16px;border-top:1px solid var(--border)}
.table-modern thead tr th:first-child{border-top-left-radius:12px}
.table-modern thead tr th:last-child{border-top-right-radius:12px}
.table-modern tbody tr:last-child td:first-child{border-bottom-left-radius:12px}
.table-modern tbody tr:last-child td:last-child{border-bottom-right-radius:12px}
.container{max-width:1280px}
.login-container{max-width:440px;margin:80px auto;padding:28px;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:0 30px 60px rgba(2,6,23,.2);color:var(--text)}
.login-title{text-align:center;margin-bottom:18px;font-weight:700;color:var(--text)}
input.form-control,select.form-control{background:var(--panel);border:1px solid var(--border);color:var(--text)}
input.form-control::placeholder{color:#64748b}
select.form-control option{background:var(--panel);color:var(--text)}
label{color:#cbd5e1}
.panel-body{padding:18px}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-thumb{background:var(--panel);border-radius:10px;border:2px solid var(--sidebar)}
::-webkit-scrollbar-track{background:var(--sidebar)}
.modal-backdrop{background:#0b1220}
.modal-backdrop.in{opacity:.6}
.modal-content{background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:12px;box-shadow:0 24px 48px rgba(2,6,23,.45);overflow:hidden}
.modal-header{border-bottom:1px solid var(--border);background:var(--panel);color:#fff;border-top-left-radius:12px;border-top-right-radius:12px}
.modal-title{color:var(--text);font-weight:700}
.modal-footer{border-top:1px solid var(--border);background:var(--panel);border-bottom-left-radius:12px;border-bottom-right-radius:12px}
.modal .close{color:var(--text);opacity:.8}
.modal .close:hover{opacity:1}
.toggle-switch{position:relative;display:inline-block;width:44px;height:24px;vertical-align:middle}
.toggle-switch input{position:absolute;left:-9999px;opacity:0;width:0;height:0;margin:0;padding:0;-webkit-appearance:none;appearance:none}
.toggle-switch .switch-track{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--border);border-radius:12px;box-shadow:inset 0 0 0 1px var(--border)}
.toggle-switch .switch-track::before{content:"";position:absolute;height:20px;width:20px;left:2px;top:2px;background:#fff;border-radius:50%;box-shadow:0 2px 6px rgba(0,0,0,.25);transition:transform .2s ease}
.toggle-switch input:checked + .switch-track{background:var(--primary)}
.toggle-switch input:checked + .switch-track::before{transform:translateX(20px)}