@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--primary:#1677ff;--primary-light:#4096ff;--primary-dark:#0958d9;--primary-bg:#1677ff0f;--gradient-primary:linear-gradient(135deg, #1677ff 0%, #722ed1 100%);--gradient-hero:linear-gradient(180deg, #0a0e27 0%, #1a1f4e 50%, #2d1b69 100%);--gradient-success:linear-gradient(135deg, #52c41a 0%, #13c2c2 100%);--bg-body:#f5f7fa;--bg-card:#fff;--text-primary:#1a1a2e;--text-secondary:#666687;--text-muted:#9e9eb8;--border:#e8e8ed;--border-light:#f0f0f5;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 30px #0000001f;--shadow-xl:0 20px 60px #00000026;--shadow-glow:0 0 40px #1677ff4d;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;font-size:16px}body{background:var(--bg-body);color:var(--text-primary);min-height:100vh;line-height:1.6}.h5-container{background:var(--gradient-hero);min-height:100vh;overflow-x:hidden}.h5-poster{width:100%;display:block}.h5-poster img{width:100%;height:auto;display:block}.h5-form-section{z-index:1;margin-top:-20px;padding:0 20px 40px;position:relative}.h5-form-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);background:#fffffff2;border:1px solid #fff3;padding:32px 24px}.h5-form-title{text-align:center;background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:22px;font-weight:700}.h5-form-subtitle{text-align:center;color:var(--text-muted);margin-bottom:28px;font-size:14px}.form-group{margin-bottom:20px}.form-label{color:var(--text-primary);margin-bottom:8px;font-size:14px;font-weight:600;display:block}.form-label .required{color:#ff4d4f;margin-left:2px}.form-input{border:2px solid var(--border);border-radius:var(--radius-md);width:100%;height:48px;color:var(--text-primary);background:#fafbfc;outline:none;padding:0 16px;font-family:inherit;font-size:16px;transition:all .3s}.form-input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px #1677ff1a}.form-input::placeholder{color:var(--text-muted);font-size:14px}.form-input.error{border-color:#ff4d4f}.form-error{color:#ff4d4f;margin-top:6px;font-size:12px}.submit-btn{border-radius:var(--radius-md);background:var(--gradient-primary);color:#fff;cursor:pointer;border:none;width:100%;height:52px;margin-top:8px;font-family:inherit;font-size:17px;font-weight:600;transition:all .3s;position:relative;overflow:hidden}.submit-btn:active{transform:scale(.98)}.submit-btn:disabled{opacity:.7;cursor:not-allowed}.btn-loading{align-items:center;gap:8px;display:inline-flex}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.success-container{background:var(--gradient-hero);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.success-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-xl);text-align:center;width:100%;max-width:380px;box-shadow:var(--shadow-xl);background:#fffffff2;padding:40px 32px;animation:.6s fadeInUp}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.success-icon{background:var(--gradient-success);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto 24px;display:flex}.success-icon svg{color:#fff;width:40px;height:40px}.success-title{margin-bottom:12px;font-size:24px;font-weight:700}.success-desc{color:var(--text-secondary);margin-bottom:32px;font-size:15px}.success-qr img{border-radius:var(--radius-md);width:200px;height:200px;box-shadow:var(--shadow-md)}.success-qr-text{color:var(--text-secondary);margin-top:16px;font-size:14px;font-weight:500}.admin-layout{min-height:100vh;display:flex}.admin-sidebar{color:#fff;z-index:100;background:linear-gradient(#001529 0%,#002140 100%);flex-direction:column;width:260px;display:flex;position:fixed;top:0;bottom:0;left:0}.admin-logo{border-bottom:1px solid #ffffff14;padding:24px}.admin-logo h1{font-size:18px;font-weight:700}.admin-logo p{color:#ffffff80;margin-top:4px;font-size:12px}.admin-nav{flex:1;padding:16px 12px}.nav-item{border-radius:var(--radius-sm);color:#ffffffa6;align-items:center;gap:12px;margin-bottom:4px;padding:12px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-item:hover{color:#fff;background:#ffffff0f}.nav-item.active{color:#fff;background:var(--primary);box-shadow:0 4px 12px #1677ff66}.nav-item svg{flex-shrink:0;width:20px;height:20px}.admin-sidebar-footer{border-top:1px solid #ffffff14;padding:16px 12px}.admin-content{flex:1;min-height:100vh;margin-left:260px;padding:32px}.page-header{margin-bottom:28px}.page-title{font-size:26px;font-weight:700}.page-subtitle{color:var(--text-secondary);margin-top:4px;font-size:14px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:32px;display:grid}.stat-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);padding:24px;transition:all .3s;position:relative;overflow:hidden}.stat-card:before{content:"";height:3px;position:absolute;top:0;left:0;right:0}.stat-card:first-child:before{background:var(--gradient-primary)}.stat-card:nth-child(2):before{background:var(--gradient-success)}.stat-card:nth-child(3):before{background:linear-gradient(135deg,#fa8c16,#fadb14)}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-card-label{color:var(--text-secondary);margin-bottom:8px;font-size:14px;font-weight:500}.stat-card-value{font-size:36px;font-weight:800;line-height:1.2}.stat-card-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;display:flex;position:absolute;top:20px;right:20px}.admin-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);margin-bottom:24px;padding:24px}.admin-card-title{align-items:center;gap:8px;margin-bottom:16px;font-size:16px;font-weight:600;display:flex}.login-container{background:var(--gradient-hero);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-xl);width:100%;max-width:420px;box-shadow:var(--shadow-xl);background:#fffffff2;padding:48px 40px;animation:.6s fadeInUp}.login-logo{text-align:center;margin-bottom:32px}.login-logo-icon{border-radius:var(--radius-lg);background:var(--gradient-primary);width:64px;height:64px;box-shadow:var(--shadow-glow);justify-content:center;align-items:center;margin:0 auto 16px;display:flex}.login-logo-icon svg{color:#fff;width:32px;height:32px}.login-logo h2{font-size:22px;font-weight:700}.login-logo p{color:var(--text-muted);margin-top:4px;font-size:14px}.login-btn{border-radius:var(--radius-md);background:var(--gradient-primary);color:#fff;cursor:pointer;border:none;width:100%;height:48px;font-family:inherit;font-size:16px;font-weight:600;transition:all .3s}.login-btn:hover{box-shadow:var(--shadow-glow)}.login-btn:disabled{opacity:.7;cursor:not-allowed}.channel-create-form{gap:12px;margin-bottom:24px;display:flex}.channel-create-form .form-input{flex:1}.btn-primary{border-radius:var(--radius-md);background:var(--gradient-primary);color:#fff;cursor:pointer;white-space:nowrap;border:none;height:48px;padding:0 24px;font-family:inherit;font-size:14px;font-weight:600;transition:all .3s}.btn-primary:hover{box-shadow:var(--shadow-glow)}.btn-secondary{border:1px solid var(--border);border-radius:var(--radius-sm);height:36px;color:var(--text-primary);cursor:pointer;background:#fff;padding:0 16px;font-family:inherit;font-size:13px;font-weight:500;transition:all .2s}.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}.channel-list{gap:16px;display:grid}.channel-item{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);align-items:flex-start;gap:20px;padding:20px;transition:all .3s;display:flex}.channel-item:hover{box-shadow:var(--shadow-md);border-color:var(--primary-light)}.channel-qr{border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:#fff;flex-shrink:0;padding:12px}.channel-info{flex:1;min-width:0}.channel-name{margin-bottom:8px;font-size:16px;font-weight:600}.channel-link{color:var(--text-muted);word-break:break-all;border-radius:var(--radius-sm);background:#f5f7fa;margin-bottom:12px;padding:8px 12px;font-size:13px}.channel-meta{color:var(--text-secondary);gap:16px;font-size:13px;display:flex}.channel-actions{gap:8px;margin-top:12px;display:flex}.search-bar{gap:12px;margin-bottom:20px;display:flex}.search-bar .form-input{flex:1}.data-table{border-collapse:collapse;width:100%;font-size:14px}.data-table thead th{text-align:left;color:var(--text-secondary);border-bottom:2px solid var(--border);background:#fafbfc;padding:12px 16px;font-size:13px;font-weight:600}.data-table tbody td{border-bottom:1px solid var(--border-light);padding:14px 16px}.data-table tbody tr:hover{background:var(--primary-bg)}.pagination{justify-content:center;align-items:center;gap:8px;margin-top:20px;display:flex}.pagination button{border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:#fff;min-width:36px;height:36px;padding:0 12px;font-family:inherit;font-size:14px;transition:all .2s}.pagination button:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.pagination button:disabled{opacity:.4;cursor:not-allowed}.pagination .active{background:var(--primary);border-color:var(--primary);color:#fff}.pagination-info{color:var(--text-muted);margin-left:12px;font-size:13px}.toast-overlay{z-index:9999;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.toast-modal{border-radius:var(--radius-lg);text-align:center;width:calc(100% - 40px);max-width:360px;box-shadow:var(--shadow-xl);background:#fff;padding:32px;animation:.3s fadeInUp}.toast-modal h3{margin-bottom:12px;font-size:18px}.toast-modal p{color:var(--text-secondary);margin-bottom:24px;font-size:14px}.toast-modal button{border-radius:var(--radius-sm);background:var(--primary);color:#fff;cursor:pointer;border:none;height:40px;padding:0 32px;font-family:inherit;font-size:14px;font-weight:500}.copy-toast{color:#fff;z-index:10000;background:#000c;border-radius:20px;padding:10px 24px;font-size:14px;animation:.3s fadeInUp;position:fixed;bottom:40px;left:50%;transform:translate(-50%)}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}@media (width<=768px){.admin-sidebar{display:none}.admin-content{margin-left:0;padding:20px 16px}.stats-grid{grid-template-columns:1fr}.channel-item,.channel-create-form,.search-bar{flex-direction:column}}