*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #050608;
    --bg2: rgba(18, 20, 26, 0.6);
    --bg3: rgba(24, 27, 35, 0.8);
    --card: rgba(18, 20, 26, 0.6);
    --card-hover: rgba(24, 27, 35, 0.8);
    --text: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #475569;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(74, 91, 112, 0.3);
    --accent: #4a5b70;
    --accent-light: #637a94;
    --accent-gradient: linear-gradient(135deg, #4a5b70, #334155);
    --green: #4ade80;
    --green-bg: rgba(74, 222, 128, 0.1);
    --red: #f87171;
    --red-bg: rgba(248, 113, 113, 0.1);
    --yellow: #fbbf24;
    --yellow-bg: rgba(251, 191, 36, 0.1);
    --blue: #60a5fa;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    --transition: all 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(74, 91, 112, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(99, 122, 148, 0.04) 0%, transparent 45%);
}

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    backdrop-filter: blur(20px);
    position: relative;
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo svg {
    margin-bottom: 12px;
}

.login-logo h1 {
    font-family: 'Inter', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 240px;
    background: rgba(12, 14, 18, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border);
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header span {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.3px;
}

.nav-links {
    list-style: none;
    padding: 16px 12px;
    flex: 1;
}

.nav-links li {
    margin-bottom: 4px;
}

.nav-links li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-links li a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.nav-links li.active a {
    color: #fff;
    background: rgba(74, 91, 112, 0.2);
    border: 1px solid rgba(74, 91, 112, 0.15);
}

.content {
    margin-left: 240px;
    padding: 32px;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    opacity: 0.7;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
}

.card-body {
    padding: 24px;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.table tbody td {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    white-space: nowrap;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success {
    background: var(--green-bg);
    color: var(--green);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.badge-danger {
    background: var(--red-bg);
    color: var(--red);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.badge-warning {
    background: var(--yellow-bg);
    color: var(--yellow);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    background: var(--card);
    color: #fff;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--accent-gradient);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    box-shadow: 0 4px 16px rgba(74, 91, 112, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 6px 24px rgba(74, 91, 112, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.btn-danger {
    background: var(--red-bg);
    border: 1px solid rgba(248, 113, 113, 0.2);
    color: var(--red);
}

.btn-danger:hover {
    background: rgba(248, 113, 113, 0.2);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.checkbox-group label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-group label:hover {
    border-color: var(--border-hover);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent);
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: rgba(18, 20, 26, 0.98);
    border: 1px solid var(--border);
    border-radius: 18px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 0;
}

.modal-header {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.modal-close:hover {
    color: #fff;
}

.modal-content form {
    padding: 28px;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.info-row span:last-child {
    font-size: 14px;
    color: var(--text);
}

.mono {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 12px !important;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 14px;
}

.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
}

.alert-error {
    background: var(--red-bg);
    border: 1px solid rgba(248, 113, 113, 0.2);
    color: var(--red);
}

.key-display {
    padding: 28px;
    text-align: center;
}

.key-display p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.key-display code {
    display: block;
    padding: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', monospace;
    font-size: 13px;
    color: var(--green);
    word-break: break-all;
}

.config-display {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-top: 16px;
    font-family: 'SF Mono', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    overflow-x: auto;
    white-space: pre;
    max-height: 400px;
    overflow-y: auto;
}

.mobile-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 200;
    width: 44px;
    height: 44px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    position: relative;
}

.mobile-toggle span::before,
.mobile-toggle span::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
}

.mobile-toggle span::before {
    top: -6px;
}

.mobile-toggle span::after {
    top: 6px;
}

@media (max-width: 1024px) {
    .detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
        z-index: 150;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
        padding: 80px 16px 32px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .table {
        display: block;
        overflow-x: auto;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 18px;
    }

    .card-body {
        padding: 16px;
    }

    .modal-content {
        max-width: 100%;
        margin: 10px;
    }
}

/* BymVPN Admin — unified product design */
:root{
    --bg:#050710;--bg2:rgba(10,16,34,.76);--bg3:rgba(16,25,46,.88);
    --card:rgba(12,19,37,.78);--card-hover:rgba(17,27,50,.92);
    --text:#f4f7ff;--text-secondary:#a6b0c7;--text-muted:#73809c;
    --border:rgba(128,158,255,.13);--border-hover:rgba(117,239,255,.27);
    --accent:#75efff;--accent-light:#9ba7ff;
    --accent-gradient:linear-gradient(135deg,#75efff,#9ba7ff);
    --green:#75efff;--green-bg:rgba(117,239,255,.09);
    --blue:#79a8ff;--radius:18px;--radius-sm:12px;--shadow:0 24px 70px rgba(0,0,0,.25)
}
body{font-family:'Manrope',sans-serif;background:radial-gradient(circle at 88% 4%,rgba(94,84,255,.15),transparent 27%),radial-gradient(circle at 12% 84%,rgba(47,213,255,.07),transparent 30%),var(--bg)}
body::before{background-image:linear-gradient(rgba(128,157,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(128,157,255,.03) 1px,transparent 1px);background-size:54px 54px}
.sidebar{width:264px;background:rgba(5,8,18,.9);border-color:var(--border);padding:10px;box-shadow:22px 0 65px rgba(0,0,0,.16)}
.sidebar-header{height:76px;padding:0 14px;border:0}.sidebar-header svg{stroke:var(--accent)}
.sidebar-header span{font:700 15px 'Unbounded';letter-spacing:-.7px}.sidebar-header span em{font-style:normal;color:var(--accent)}
.nav-links{padding:7px}.nav-links li{margin-bottom:6px}
.nav-links li a{min-height:46px;padding:0 14px;border-radius:11px;color:var(--text-muted);font-size:12px;font-weight:700}
.nav-links li a::before{content:"";width:7px;height:7px;border:1.5px solid currentColor;border-radius:3px;transform:rotate(45deg)}
.nav-links li a:hover{color:var(--text);background:rgba(117,239,255,.035)}
.nav-links li.active a{color:var(--accent);background:rgba(117,239,255,.08);border-color:rgba(117,239,255,.15)}
.content{margin-left:264px;padding:38px 40px;max-width:1660px}
.page-header{margin-bottom:25px}.page-header h2{font:600 clamp(22px,2vw,30px) 'Unbounded';letter-spacing:-1.4px}
.page-header h2::before{content:"Администрирование";display:block;margin-bottom:8px;color:var(--accent);font:800 9px 'Manrope';text-transform:uppercase;letter-spacing:1.7px}
.stats-grid{gap:12px}.stat-card,.card,.login-card{background:linear-gradient(145deg,rgba(16,24,45,.88),rgba(7,12,25,.92));border-color:var(--border);box-shadow:none}
.stat-card{min-height:136px;padding:22px;position:relative;overflow:hidden}.stat-card::after{content:"";position:absolute;width:100px;height:100px;border-radius:50%;right:-58px;top:-64px;background:rgba(117,239,255,.07)}
.stat-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}
.stat-value{font:600 29px 'Unbounded';letter-spacing:-1.6px}.stat-label{color:var(--text-secondary);font-size:11px;font-weight:700}.stat-sub{font-size:10px}
.card{border-radius:18px;margin-bottom:14px}.card-header{padding:18px 22px}.card-header h3{font-size:13px}.card-body{padding:20px 22px}
.table thead th{color:var(--text-muted);font-size:9px;letter-spacing:1px}.table tbody tr{transition:.18s}.table tbody tr:hover{background:rgba(117,239,255,.025)}
.table td{font-size:11px}.badge{border-radius:99px;font-size:8px;letter-spacing:.5px}
.btn{min-height:42px;border-radius:10px;font:700 10px 'Manrope'}.btn-primary{background:var(--accent);color:#061018;border-color:transparent;box-shadow:0 9px 25px rgba(117,239,255,.1)}.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-secondary{background:rgba(128,158,255,.05);border-color:var(--border);color:var(--text)}
.form-group label,.info-label{color:var(--text-muted);font-size:9px;letter-spacing:.7px;text-transform:uppercase;font-weight:800}
.form-group input,.form-group select,.form-group textarea{background:#080d1b;border-color:var(--border);border-radius:10px;color:var(--text)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:rgba(117,239,255,.45);box-shadow:0 0 0 3px rgba(117,239,255,.06)}
.login-body{background:radial-gradient(circle at 20% 15%,rgba(117,239,255,.09),transparent 27%),radial-gradient(circle at 80% 78%,rgba(104,98,255,.15),transparent 32%),#050710}
.login-card{max-width:430px;padding:44px;border-radius:24px;box-shadow:0 35px 100px rgba(0,0,0,.35)}
.login-logo svg{stroke:var(--accent)}.login-logo h1{font:700 20px 'Unbounded'}.login-logo h1 span{color:var(--accent)}
.modal{backdrop-filter:blur(9px)}.modal-content{background:#090f20;border-color:var(--border);border-radius:20px}
@media(max-width:768px){.sidebar{width:264px}.content{margin-left:0;padding:82px 14px 30px}.mobile-toggle{background:#0a1020;border-color:var(--border)}}