*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:#050505;color:#fff;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
img{max-width:100%;display:block}

.admin-layout{display:flex;min-height:100vh}
.sidebar{width:260px;background:#080808;border-right:1px solid rgba(255,255,255,0.06);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;transition:transform .3s ease,width .3s ease}
.sidebar.collapsed{width:72px}
.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,0.06);height:72px;flex-shrink:0}
.sidebar-logo{font-size:20px;font-weight:800;letter-spacing:2px;color:#fff;white-space:nowrap}
.sidebar-logo span{color:#666}
.sidebar-toggle{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:#666;transition:all .2s;flex-shrink:0}
.sidebar-toggle:hover{background:rgba(255,255,255,0.06);color:#fff}
.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}
.sidebar-nav::-webkit-scrollbar{width:4px}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.08);border-radius:4px}
.nav-section{margin-bottom:24px}
.nav-section-title{font-size:11px;font-weight:600;color:#555;text-transform:uppercase;letter-spacing:1.2px;padding:0 12px;margin-bottom:8px}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:#666;font-size:14px;font-weight:500;transition:all .2s;margin-bottom:2px;white-space:nowrap;overflow:hidden}
.nav-item:hover{background:rgba(255,255,255,0.05);color:#ccc}
.nav-item.active{background:rgba(255,255,255,0.08);color:#fff}
.nav-item.disabled{opacity:.3;pointer-events:none}
.nav-icon{width:20px;height:20px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.nav-icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-label{overflow:hidden;text-overflow:ellipsis}
.nav-badge{font-size:10px;padding:2px 8px;border-radius:6px;background:rgba(255,255,255,0.06);color:#666;margin-left:auto;flex-shrink:0}
.sidebar.collapsed .sidebar-header{padding:20px 16px;justify-content:center}
.sidebar.collapsed .sidebar-logo{display:none}
.sidebar.collapsed .nav-item{padding:10px;justify-content:center}
.sidebar.collapsed .nav-label,.sidebar.collapsed .nav-badge,.sidebar.collapsed .nav-section-title{display:none}

.main-content{flex:1;margin-left:260px;min-height:100vh;transition:margin-left .3s ease}
.sidebar.collapsed+.main-content{margin-left:72px}
.topbar{display:flex;align-items:center;justify-content:space-between;height:72px;padding:0 40px;border-bottom:1px solid rgba(255,255,255,0.06);background:#050505;position:sticky;top:0;z-index:50}
.topbar-left{display:flex;align-items:center;gap:16px}
.mobile-toggle{display:none;width:36px;height:36px;align-items:center;justify-content:center;border-radius:10px;color:#666}
.mobile-toggle:hover{background:rgba(255,255,255,0.06);color:#fff}
.page-title{font-size:18px;font-weight:600;color:#fff}
.topbar-right{display:flex;align-items:center;gap:12px}
.admin-profile{display:flex;align-items:center;gap:10px;padding:6px 10px 6px 6px;border-radius:12px;cursor:pointer;transition:background .2s}
.admin-profile:hover{background:rgba(255,255,255,0.05)}
.admin-avatar{width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:#fff;flex-shrink:0}
.admin-name{font-size:14px;font-weight:500;color:#ccc}
.admin-role{font-size:12px;color:#666}
.content{padding:32px 40px}

/* Stats Grid */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.stat-card{background:#111;border:1px solid rgba(255,255,255,0.06);border-radius:20px;padding:24px;transition:all .3s}
.stat-card:hover{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.1)}
.stat-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.stat-card-icon{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,0.05);display:flex;align-items:center;justify-content:center;color:#666}
.stat-card-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8}
.stat-card-value{font-size:32px;font-weight:700;color:#fff;line-height:1.2;margin-bottom:4px}
.stat-card-label{font-size:14px;color:#666}
.stat-card-change{font-size:13px;color:#4ade80;margin-top:8px;display:flex;align-items:center;gap:4px}

/* Content Grid */
.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px;margin-bottom:40px}
.section-card{background:#111;border:1px solid rgba(255,255,255,0.06);border-radius:20px;overflow:hidden}
.section-card-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,0.06)}
.section-card-title{font-size:16px;font-weight:600;color:#fff}
.section-card-link{font-size:13px;color:#666;transition:color .2s}
.section-card-link:hover{color:#fff}
.section-card-body{padding:0}

/* Tables */
.data-table{width:100%}
.data-table th{padding:14px 24px;text-align:left;font-size:12px;font-weight:600;color:#555;text-transform:uppercase;letter-spacing:.8px;border-bottom:1px solid rgba(255,255,255,0.06);white-space:nowrap}
.data-table td{padding:14px 24px;font-size:14px;color:#ccc;border-bottom:1px solid rgba(255,255,255,0.04);white-space:nowrap}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:rgba(255,255,255,0.02)}
.data-table .col-actions{text-align:right}
.table-empty{padding:48px 24px;text-align:center;color:#555;font-size:14px}

/* Status Badges */
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:6px;font-size:12px;font-weight:500;gap:6px}
.badge-dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.badge-pending{background:rgba(255,183,0,0.1);color:#ffb700}
.badge-pending .badge-dot{background:#ffb700}
.badge-paid,.badge-completed{background:rgba(52,211,153,0.1);color:#4ade80}
.badge-paid .badge-dot,.badge-completed .badge-dot{background:#4ade80}
.badge-cancelled,.badge-expired{background:rgba(239,68,68,0.1);color:#ef4444}
.badge-cancelled .badge-dot,.badge-expired .badge-dot{background:#ef4444}
.badge-member{background:rgba(255,255,255,0.05);color:#888}
.badge-admin{background:rgba(255,255,255,0.1);color:#fff}
.badge-active{background:rgba(52,211,153,0.1);color:#4ade80}
.badge-active .badge-dot{background:#4ade80}
.badge-inactive{background:rgba(239,68,68,0.1);color:#ef4444}
.badge-inactive .badge-dot{background:#ef4444}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:10px;font-size:14px;font-weight:500;transition:all .2s;white-space:nowrap}
.btn-xs{padding:6px 12px;font-size:12px;border-radius:8px}
.btn-sm{padding:8px 16px;font-size:13px}
.btn-primary{background:#fff;color:#0a0a0a}
.btn-primary:hover{background:#e0e0e0}
.btn-secondary{background:rgba(255,255,255,0.06);color:#ccc}
.btn-secondary:hover{background:rgba(255,255,255,0.1);color:#fff}
.btn-ghost{background:transparent;color:#666}
.btn-ghost:hover{background:rgba(255,255,255,0.06);color:#ccc}
.btn-danger{background:rgba(239,68,68,0.12);color:#ef4444}
.btn-danger:hover{background:rgba(239,68,68,0.2)}
.btn-icon{width:36px;height:36px;padding:0;border-radius:10px}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;flex-shrink:0}

/* Forms */
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:13px;font-weight:500;color:#999;margin-bottom:8px}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;background:#0a0a0a;border:1px solid rgba(255,255,255,0.08);border-radius:12px;color:#fff;font-size:14px;transition:border-color .2s;outline:none}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:rgba(255,255,255,0.2)}
.form-input::placeholder{color:#444}
.form-textarea{resize:vertical;min-height:100px}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,0.06)}
.form-checkbox{display:flex;align-items:center;gap:10px;color:#999;font-size:14px;cursor:pointer}
.form-checkbox input[type="checkbox"]{width:18px;height:18px;accent-color:#fff}

/* Search & Filter */
.search-filter{display:flex;align-items:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}
.search-box{position:relative;flex:1;min-width:240px;max-width:400px}
.search-box .search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#555;pointer-events:none}
.search-box .search-icon svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.search-box input{width:100%;padding:10px 14px 10px 40px;background:#0a0a0a;border:1px solid rgba(255,255,255,0.08);border-radius:10px;color:#fff;font-size:14px;outline:none;transition:border-color .2s}
.search-box input:focus{border-color:rgba(255,255,255,0.2)}
.search-box input::placeholder{color:#444}
.filter-select{padding:10px 36px 10px 14px;background:#0a0a0a;border:1px solid rgba(255,255,255,0.08);border-radius:10px;color:#ccc;font-size:14px;outline:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;cursor:pointer;transition:border-color .2s}
.filter-select:focus{border-color:rgba(255,255,255,0.2)}

/* Pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:4px;padding:20px 24px;border-top:1px solid rgba(255,255,255,0.06)}
.page-btn{min-width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px;color:#666;transition:all .2s;padding:0 8px}
.page-btn:hover{background:rgba(255,255,255,0.06);color:#ccc}
.page-btn.active{background:rgba(255,255,255,0.1);color:#fff}
.page-btn.disabled{opacity:.3;pointer-events:none}

/* Login Page */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#050505;padding:24px}
.auth-card{width:100%;max-width:420px}
.auth-logo{text-align:center;margin-bottom:40px}
.auth-logo h1{font-size:24px;font-weight:800;letter-spacing:3px;color:#fff}
.auth-logo p{font-size:14px;color:#555;margin-top:8px}
.auth-form{background:#111;border:1px solid rgba(255,255,255,0.06);border-radius:20px;padding:32px}
.auth-form .form-group{margin-bottom:20px}
.auth-title{font-size:20px;font-weight:600;color:#fff;margin-bottom:24px;text-align:center}
.auth-footer{text-align:center;margin-top:20px;font-size:14px;color:#555}
.auth-footer a{color:#888;transition:color .2s}
.auth-footer a:hover{color:#fff}
.auth-divider{height:1px;background:rgba(255,255,255,0.06);margin:20px 0}
.auth-error{background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.2);border-radius:12px;padding:12px 16px;color:#ef4444;font-size:13px;margin-bottom:20px;display:none}
.auth-error.show{display:block}

/* Profile Page */
.profile-header{display:flex;align-items:center;gap:24px;padding:32px;background:#111;border:1px solid rgba(255,255,255,0.06);border-radius:20px;margin-bottom:24px}
.profile-avatar{width:72px;height:72px;border-radius:20px;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#fff;flex-shrink:0}
.profile-info h2{font-size:22px;font-weight:600;color:#fff;margin-bottom:4px}
.profile-info p{font-size:14px;color:#666}
.profile-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.profile-meta-item{padding:20px 24px;background:#111;border:1px solid rgba(255,255,255,0.06);border-radius:16px}
.profile-meta-label{font-size:12px;color:#555;text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}
.profile-meta-value{font-size:16px;font-weight:500;color:#fff}

/* Detail Page */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}
.detail-section{background:#111;border:1px solid rgba(255,255,255,0.06);border-radius:20px;padding:24px}
.detail-section.full{grid-column:1/-1}
.detail-section-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,0.06)}
.detail-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.03)}
.detail-row:last-child{border-bottom:none}
.detail-label{font-size:13px;color:#666}
.detail-value{font-size:14px;color:#ccc;text-align:right;max-width:60%;word-break:break-all}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:200;display:none;align-items:center;justify-content:center;padding:24px;backdrop-filter:blur(4px)}
.modal-overlay.show{display:flex}
.modal{background:#111;border:1px solid rgba(255,255,255,0.08);border-radius:20px;width:100%;max-width:540px;max-height:85vh;overflow-y:auto}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,0.06)}
.modal-title{font-size:16px;font-weight:600;color:#fff}
.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:#666;transition:all .2s}
.modal-close:hover{background:rgba(255,255,255,0.06);color:#fff}
.modal-body{padding:24px}
.modal-footer{display:flex;gap:12px;justify-content:flex-end;padding:16px 24px;border-top:1px solid rgba(255,255,255,0.06)}

/* Toast */
.toast-container{position:fixed;top:24px;right:24px;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{display:flex;align-items:center;gap:12px;padding:14px 20px;background:#1a1a1a;border:1px solid rgba(255,255,255,0.08);border-radius:14px;color:#fff;font-size:14px;min-width:300px;max-width:420px;animation:toastIn .3s ease;box-shadow:0 8px 32px rgba(0,0,0,.4)}
.toast-success{border-color:rgba(52,211,153,0.3)}
.toast-error{border-color:rgba(239,68,68,0.3)}
.toast-icon{width:20px;height:20px;flex-shrink:0}
.toast-success .toast-icon{color:#4ade80}
.toast-error .toast-icon{color:#ef4444}
@keyframes toastIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes toastOut{from{transform:translateX(0);opacity:1}to{transform:translateX(100%);opacity:0}}

/* Loader */
.loader{display:flex;align-items:center;justify-content:center;padding:48px;color:#555}
.loader-spinner{width:24px;height:24px;border:2px solid rgba(255,255,255,0.06);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Responsive */
@media(max-width:1200px){.stats-grid{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:1fr}}
@media(max-width:1024px){.detail-grid{grid-template-columns:1fr}.profile-meta{grid-template-columns:1fr}
.form-row{grid-template-columns:1fr}}
@media(max-width:768px){
.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.main-content{margin-left:0!important}.sidebar.collapsed+.main-content{margin-left:0!important}
.mobile-toggle{display:flex}.topbar{padding:0 20px}.content{padding:24px 20px}.stats-grid{grid-template-columns:1fr}
.data-table{overflow-x:auto;display:block}.search-filter{flex-direction:column;align-items:stretch}.search-box{max-width:none}
}

/* Skeleton Loading */
.skeleton{background:rgba(255,255,255,0.04);border-radius:8px;animation:pulse 1.5s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}