/* === 管理后台 样式表 === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* -- Reset -- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;font-size:14px;color:#1e293b;background:#f1f5f9;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:#4f46e5;text-decoration:none;transition:color .15s}
a:hover{color:#4338ca}

/* -- Login -- */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#eef2ff 0%,#e0e7ff 50%,#f5f3ff 100%)}
.login-box{background:#fff;border-radius:16px;padding:2.8rem 2.2rem;width:400px;box-shadow:0 1px 3px rgba(0,0,0,.04),0 4px 16px rgba(0,0,0,.06)}
.login-box .login-logo{margin-bottom:8px;text-align:center}
.login-box .login-logo svg{width:48px;height:48px}
.login-box h1{font-size:22px;font-weight:700;text-align:center;color:#1e293b;margin-bottom:4px}
.login-sub{text-align:center;color:#94a3b8;font-size:13px;margin-bottom:28px}
.login-box .form-group{margin-bottom:18px}
.login-box .form-group label{font-size:13px;font-weight:500;color:#475569;display:block;margin-bottom:6px}
.login-box .form-group input{width:100%;padding:11px 14px;border:1.5px solid #e2e8f0;border-radius:10px;font-size:14px;font-family:inherit;transition:all .2s;background:#f8fafc}
.login-box .form-group input:focus{outline:none;border-color:#4f46e5;background:#fff;box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.btn-full{width:100%;padding:16px 28px;font-size:17px;font-weight:600;border:none;border-radius:12px;background:#4f46e5;color:#fff;cursor:pointer;transition:all .2s;letter-spacing:.08em;display:flex;justify-content:center;align-items:center;height:52px;line-height:1}
.btn-full:hover{background:#4338ca;box-shadow:0 6px 20px rgba(79,70,229,.35);transform:translateY(-1px)}

/* -- Layout -- */
.app-layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:#fff;border-right:1px solid #e2e8f0;display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh}
.sidebar-header{padding:20px 20px 16px;border-bottom:1px solid #f1f5f9}
.sidebar-header h2{font-size:17px;font-weight:700;color:#1e293b;display:flex;align-items:center;gap:8px}
.sidebar-header .logo-dot{width:8px;height:8px;border-radius:50%;background:#4f46e5;display:inline-block;margin-right:2px}
.sidebar-sub{font-size:11px;color:#94a3b8;margin-top:2px;letter-spacing:.03em}
.sidebar-nav{padding:8px;flex:1}
.nav-section{margin-bottom:4px}
.nav-section-title{padding:8px 12px 4px;font-size:10px;font-weight:600;color:#94a3b8;text-transform:uppercase;letter-spacing:.08em}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:13px;font-weight:500;color:#475569;transition:all .15s;margin-bottom:2px}
.nav-item:hover{background:#f1f5f9;color:#1e293b;text-decoration:none}
.nav-item.active{background:#eef2ff;color:#4f46e5;font-weight:600}
.nav-item.active .nav-icon{background:#c7d2fe;color:#4f46e5}
.nav-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;background:#f1f5f9;color:#64748b;flex-shrink:0}
.nav-icon svg{width:18px;height:18px}
.nav-divider{border:none;border-top:1px solid #f1f5f9;margin:8px 12px}

.main-content{flex:1;padding:28px 36px;max-width:1280px;overflow-x:auto}

/* -- Flash -- */
.flash-messages{margin-bottom:20px}
.flash{padding:12px 18px;border-radius:10px;font-size:13px;font-weight:500;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.flash-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.flash-success::before{content:'✓';font-weight:700;font-size:16px}
.flash-danger{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.flash-danger::before{content:'!';font-weight:700;font-size:16px}

/* -- Page Header -- */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.page-header h2{font-size:22px;font-weight:700;color:#0f172a;letter-spacing:-.01em}

/* -- Stats -- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px}
.stat-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:20px 22px;box-shadow:0 1px 2px rgba(0,0,0,.02);transition:box-shadow .2s}
.stat-card:hover{box-shadow:0 2px 12px rgba(0,0,0,.06)}
.stat-card .stat-icon{font-size:20px;margin-bottom:8px}
.stat-card .stat-label{font-size:12px;color:#94a3b8;font-weight:500;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.stat-card .stat-value{font-size:32px;font-weight:700;color:#0f172a;letter-spacing:-.01em;line-height:1}

/* -- Card -- */
.card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;margin-bottom:20px;overflow:hidden;box-shadow:0 1px 2px rgba(0,0,0,.02)}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid #f1f5f9}
.card-header h3{font-size:14px;font-weight:600;color:#0f172a;letter-spacing:-.01em}
.card-body{padding:22px}

/* -- Table -- */
.table{width:100%;border-collapse:collapse}
.table th,.table td{text-align:left;padding:13px 22px;border-bottom:1px solid #f1f5f9;font-size:13px}
.table th{font-weight:600;color:#64748b;font-size:11px;text-transform:uppercase;letter-spacing:.06em;background:#f8fafc}
.table tbody tr{transition:background .12s}
.table tbody tr:hover{background:#f8fafc}
.table tbody tr:last-child td{border-bottom:none}
.empty-row{text-align:center;color:#94a3b8;padding:48px 20px!important;font-size:13px}
.empty-row::before{content:'--';display:block;font-size:24px;margin-bottom:8px;color:#cbd5e1}
.action-cell{display:flex;gap:6px;white-space:nowrap}

/* -- Badge -- */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:6px;font-size:11px;font-weight:600;letter-spacing:.02em}
.badge-published{background:#ecfdf5;color:#059669}
.badge-published::before{content:'';width:6px;height:6px;border-radius:50%;background:#10b981}
.badge-draft{background:#f1f5f9;color:#64748b}
.badge-draft::before{content:'';width:6px;height:6px;border-radius:50%;background:#94a3b8}

/* -- Buttons -- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;font-size:13px;font-weight:500;border:1px solid #e2e8f0;border-radius:8px;background:#fff;color:#475569;cursor:pointer;transition:all .15s;line-height:1.4;font-family:inherit;letter-spacing:.01em}
.btn:hover{background:#f8fafc;border-color:#cbd5e1;text-decoration:none;color:#1e293b}
.btn:active{transform:scale(.98)}
.btn-primary{background:#4f46e5;color:#fff;border-color:#4f46e5;font-weight:600}
.btn-primary:hover{background:#4338ca;border-color:#4338ca;color:#fff;box-shadow:0 2px 8px rgba(79,70,229,.2)}
.btn-danger{color:#dc2626;border-color:#fecaca;background:#fff}
.btn-danger:hover{background:#fef2f2;border-color:#fca5a5;color:#b91c1c}
.btn-sm{padding:5px 12px;font-size:12px;border-radius:6px}

/* -- Forms -- */
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#334155;letter-spacing:.01em}
.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group textarea,
.form-group select{width:100%;padding:10px 14px;border:1.5px solid #e2e8f0;border-radius:10px;font-size:14px;font-family:inherit;background:#f8fafc;transition:all .2s;color:#1e293b;line-height:1.5}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus{outline:none;border-color:#4f46e5;background:#fff;box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.form-group textarea{resize:vertical;min-height:100px;font-family:'SF Mono','Menlo','Consolas',monospace;font-size:13px}
.form-group-lg input{font-size:16px;padding:12px 16px;font-weight:500}
.form-hint{font-size:11px;color:#94a3b8;margin-top:5px;line-height:1.5}
.section-title{font-size:14px;font-weight:700;color:#0f172a;padding-bottom:10px;border-bottom:2px solid #f1f5f9;margin:28px 0 18px;letter-spacing:-.01em}
.section-title:first-child{margin-top:0}

.form-row{display:flex;gap:16px}
.form-row .form-group{flex:1}
.form-row-2 .form-group{flex:1}
.form-row-3 .form-group{flex:1}

.input-with-btn{display:flex;gap:8px}
.input-with-btn input{flex:1}

.form-actions{margin-top:28px;display:flex;gap:10px;padding-top:20px;border-top:1px solid #f1f5f9}

/* -- Inline Forms -- */
.inline-form{display:flex;gap:8px;align-items:center}
.inline-form input[type="text"],
.inline-form input[type="number"]{padding:7px 12px;font-size:13px;border:1.5px solid #e2e8f0;border-radius:8px;background:#f8fafc}
.inline-form input:focus{outline:none;border-color:#4f46e5}

/* -- Filter -- */
.filter-bar{display:flex;gap:4px}
.filter-link{padding:5px 14px;border-radius:7px;font-size:12px;font-weight:500;color:#64748b;transition:all .15s}
.filter-link:hover{background:#f1f5f9;text-decoration:none;color:#1e293b}
.filter-link.active{background:#eef2ff;color:#4f46e5;font-weight:600}

/* -- Pagination -- */
.pagination{display:flex;align-items:center;justify-content:center;gap:12px;padding:18px 22px;border-top:1px solid #f1f5f9}
.page-info{font-size:13px;color:#94a3b8;font-weight:500}

/* -- Import page special -- */
.wx-article-source{background:#eef2ff;border:1.5px solid #c7d2fe;border-radius:10px;padding:12px 16px;font-size:12px;color:#4338ca;display:flex;align-items:center;gap:8px;margin-bottom:16px}
.wx-article-source a{font-weight:600;color:#4f46e5}
.wx-article-source a:hover{color:#3730a3}

/* -- Scrollbar -- */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:#94a3b8}

/* -- Responsive -- */
@media(max-width:768px){
  .sidebar{width:60px;overflow:hidden}
  .sidebar-header h2,.sidebar-sub,.nav-item span:not(.nav-icon),.nav-section-title{display:none}
  .sidebar-header{text-align:center;padding:16px 0}
  .nav-item{justify-content:center;padding:12px}
  .main-content{padding:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}