/* ===== NEXUS VPN — hi-tech dark theme ===== */
:root {
    --bg: #060a14;
    --bg-2: #0a1120;
    --panel: rgba(13, 22, 43, 0.72);
    --panel-border: rgba(64, 224, 255, 0.16);
    --cyan: #00e5ff;
    --cyan-dim: #0e7f9e;
    --violet: #7b5cff;
    --green: #00ffa3;
    --red: #ff4d6d;
    --amber: #ffb020;
    --text: #dbe8ff;
    --text-dim: #7f93b8;
    --radius: 16px;
    --shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
    --glow: 0 0 24px rgba(0, 229, 255, 0.25);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}
/* background decor */
.bg-grid {
    position: fixed; inset: 0; z-index: -3;
    background-image:
        linear-gradient(rgba(0,229,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,255,.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 75%);
}
.bg-glow { position: fixed; z-index: -2; border-radius: 50%; filter: blur(90px); opacity: .16; }
.glow-1 { width: 500px; height: 500px; background: var(--cyan); top: -160px; left: -120px; }
.glow-2 { width: 420px; height: 420px; background: var(--violet); bottom: -140px; right: -100px; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 22px; }

/* ===== topbar ===== */
.topbar {
    position: sticky; top: 0; z-index: 50;
    background: rgba(6, 10, 20, 0.75);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--panel-border);
}
.topbar-inner { display: flex; align-items: center; gap: 26px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark {
    font-size: 24px; color: var(--cyan);
    text-shadow: var(--glow); animation: pulse 2.4s infinite;
}
.logo-text { font-family: 'Orbitron', sans-serif; font-weight: 700; font-size: 18px; color: var(--text); letter-spacing: 1px; }
.logo-accent { color: var(--cyan); }
.nav { display: flex; gap: 8px; margin-left: 8px; flex: 1; }
.nav-link {
    color: var(--text-dim); text-decoration: none; font-size: 14px; font-weight: 500;
    padding: 8px 14px; border-radius: 10px; transition: .2s;
}
.nav-link:hover { color: var(--text); background: rgba(0,229,255,.07); }
.nav-link.active { color: var(--cyan); background: rgba(0,229,255,.1); box-shadow: inset 0 0 0 1px rgba(0,229,255,.25); }
.topbar-auth { display: flex; align-items: center; gap: 12px; }
.user-chip { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.25; }
.user-chip-name { font-size: 13px; font-weight: 600; color: var(--text); }
.user-chip-balance { font-size: 11px; color: var(--green); font-family: 'JetBrains Mono', monospace; }
.inline { display: inline; }

/* ===== buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    border: none; cursor: pointer; text-decoration: none;
    font-family: 'Inter', sans-serif; font-weight: 600; font-size: 14px;
    padding: 11px 22px; border-radius: 12px; transition: all .22s;
}
.btn-primary {
    background: linear-gradient(135deg, var(--cyan), #0090d0);
    color: #041018; box-shadow: 0 4px 20px rgba(0,229,255,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,229,255,.5); }
.btn-violet {
    background: linear-gradient(135deg, var(--violet), #4b2fd0);
    color: #fff; box-shadow: 0 4px 20px rgba(123,92,255,.35);
}
.btn-violet:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(123,92,255,.55); }
.btn-ghost {
    background: transparent; color: var(--text-dim);
    border: 1px solid rgba(127,147,184,.35);
}
.btn-ghost:hover { color: var(--text); border-color: var(--cyan); }
.btn-danger { background: rgba(255,77,109,.12); color: var(--red); border: 1px solid rgba(255,77,109,.35); }
.btn-danger:hover { background: rgba(255,77,109,.22); }
.btn-success { background: rgba(0,255,163,.12); color: var(--green); border: 1px solid rgba(0,255,163,.35); }
.btn-success:hover { background: rgba(0,255,163,.22); }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 10px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* ===== hero ===== */
.main { padding: 48px 22px 80px; min-height: calc(100vh - 200px); }
.hero { text-align: center; padding: 70px 0 50px; position: relative; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 2px;
    color: var(--cyan); background: rgba(0,229,255,.08);
    border: 1px solid rgba(0,229,255,.3); border-radius: 100px;
    padding: 7px 18px; text-transform: uppercase; margin-bottom: 26px;
}
.hero h1 {
    font-family: 'Orbitron', sans-serif; font-weight: 900;
    font-size: clamp(34px, 6vw, 60px); letter-spacing: 2px; line-height: 1.15;
    background: linear-gradient(120deg, #fff 20%, var(--cyan) 60%, var(--violet) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { max-width: 640px; margin: 22px auto 34px; color: var(--text-dim); font-size: 17px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.stats-row { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin-top: 48px; }
.stat {
    min-width: 150px; padding: 18px 22px; text-align: center;
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); backdrop-filter: blur(8px);
}
.stat b { display: block; font-family: 'Orbitron', sans-serif; font-size: 26px; color: var(--cyan); text-shadow: var(--glow); }
.stat span { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; }

/* ===== cards / tariff ===== */
.section-title {
    font-family: 'Orbitron', sans-serif; font-size: 26px; font-weight: 700;
    text-align: center; margin: 64px 0 10px; letter-spacing: 1px;
}
.section-sub { text-align: center; color: var(--text-dim); margin-bottom: 36px; font-size: 14px; }
.tariff-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 26px; }
.card {
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 30px;
    backdrop-filter: blur(10px); position: relative;
    transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-featured { border-color: rgba(0,229,255,.5); box-shadow: 0 0 40px rgba(0,229,255,.12); }
.card-featured::before {
    content: 'POPULAR'; position: absolute; top: -11px; right: 22px;
    font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 2px;
    background: linear-gradient(135deg, var(--cyan), #0090d0); color: #041018;
    padding: 4px 12px; border-radius: 100px; font-weight: 700;
}
.card h3 { font-family: 'Orbitron', sans-serif; font-size: 20px; margin-bottom: 4px; }
.card .price { font-family: 'Orbitron', sans-serif; font-size: 38px; font-weight: 900; color: var(--text); margin: 14px 0 4px; }
.card .price small { font-size: 15px; color: var(--text-dim); font-weight: 500; }
.card .desc { color: var(--text-dim); font-size: 13px; min-height: 40px; }
.features { list-style: none; margin: 20px 0 24px; display: grid; gap: 10px; }
.features li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.features li::before { content: '▸'; color: var(--cyan); font-weight: 700; }
.features li.off { opacity: .4; }
.features li.off::before { content: '▹'; color: var(--text-dim); }
.card .btn { width: 100%; }

/* ===== panels / forms ===== */
.panel {
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 34px; backdrop-filter: blur(10px);
}
.auth-wrap { max-width: 440px; margin: 40px auto; }
.auth-wrap h2 { font-family: 'Orbitron', sans-serif; font-size: 24px; margin-bottom: 6px; text-align: center; }
.auth-wrap .sub { text-align: center; color: var(--text-dim); font-size: 14px; margin-bottom: 26px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-dim); margin-bottom: 7px; letter-spacing: .4px; }
.form-control {
    width: 100%; padding: 12px 15px; font-size: 15px;
    background: rgba(6,10,20,.7); color: var(--text);
    border: 1px solid rgba(127,147,184,.3); border-radius: 12px;
    font-family: 'Inter', sans-serif; transition: .2s; outline: none;
}
.form-control:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,229,255,.15); }
.form-control::placeholder { color: rgba(127,147,184,.5); }
.password-wrap { position: relative; }
.password-wrap .form-control { padding-right: 46px; }
.password-toggle {
    position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
    width: 36px; height: 36px; border: none; background: none; cursor: pointer;
    font-size: 17px; line-height: 1; color: var(--text-dim);
    border-radius: 10px; display: inline-flex; align-items: center; justify-content: center;
    transition: .2s;
}
.password-toggle:hover { color: var(--text); background: rgba(127,147,184,.12); }
.form-hint { font-size: 12px; color: var(--text-dim); margin-top: 5px; }
.form-error { color: var(--red); font-size: 13px; margin-top: 5px; }
.form-actions { margin-top: 22px; display: grid; gap: 12px; }
.form-foot { text-align: center; margin-top: 18px; font-size: 14px; color: var(--text-dim); }
.form-foot a { color: var(--cyan); text-decoration: none; }
.captcha-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.captcha-img { border-radius: 10px; border: 1px solid rgba(127,147,184,.3); cursor: pointer; background: #f0f3f8; height: 54px; width: 150px; display: block; }
.captcha-refresh { white-space: nowrap; height: 54px; display: inline-flex; align-items: center; justify-content: center; }

/* ===== alerts / flash ===== */
.alert { padding: 13px 18px; border-radius: 12px; font-size: 14px; margin-bottom: 18px; border: 1px solid; }
.alert-success { background: rgba(0,255,163,.08); border-color: rgba(0,255,163,.3); color: var(--green); }
.alert-error { background: rgba(255,77,109,.08); border-color: rgba(255,77,109,.3); color: var(--red); }
.alert-info { background: rgba(0,229,255,.08); border-color: rgba(0,229,255,.3); color: var(--cyan); }

/* ===== dashboard ===== */
.dash-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 30px; }
.dash-head h2 { font-family: 'Orbitron', sans-serif; font-size: 26px; }
.dash-balance {
    display: flex; align-items: center; gap: 14px;
    background: var(--panel); border: 1px solid var(--panel-border);
    padding: 12px 20px; border-radius: var(--radius);
}
.dash-balance .label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; }
.dash-balance .amount { font-family: 'Orbitron', sans-serif; font-size: 24px; font-weight: 700; color: var(--green); }
.grid-2 { display: grid; grid-template-columns: 1.6fr 1fr; gap: 26px; align-items: start; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* ===== table ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
    text-align: left; padding: 12px 12px; color: var(--text-dim);
    font-size: 12px; text-transform: uppercase; letter-spacing: 1px;
    border-bottom: 1px solid var(--panel-border); white-space: nowrap;
}
.table td { padding: 11px 12px; border-bottom: 1px solid rgba(127,147,184,.1); vertical-align: middle; overflow-wrap: anywhere; }
.table tr:hover td { background: rgba(0,229,255,.03); }
/* не даём ячейке действий распирать таблицу: элементы переносятся, но не расширяют колонку */
.table td.actions-cell { min-width: 0; max-width: 320px; }
.mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-dim); }
.copyable { cursor: pointer; color: var(--cyan); }
.copyable:hover { text-decoration: underline; }

/* ===== badges / progress ===== */
.badge {
    display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .6px;
    padding: 4px 12px; border-radius: 100px; text-transform: uppercase;
}
.badge-active { background: rgba(0,255,163,.12); color: var(--green); border: 1px solid rgba(0,255,163,.35); }
.badge-pending { background: rgba(255,176,32,.12); color: var(--amber); border: 1px solid rgba(255,176,32,.35); }
.badge-expired { background: rgba(255,77,109,.12); color: var(--red); border: 1px solid rgba(255,77,109,.35); }
.badge-disabled { background: rgba(127,147,184,.12); color: var(--text-dim); border: 1px solid rgba(127,147,184,.35); }
.badge-cancelled { background: rgba(187,134,252,.12); color: var(--violet); border: 1px solid rgba(187,134,252,.4); }
.badge-error { background: rgba(255,77,109,.15); color: var(--red); border: 1px solid rgba(255,77,109,.5); }
.progress { height: 7px; background: rgba(127,147,184,.18); border-radius: 100px; overflow: hidden; margin-top: 6px; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--cyan), var(--green)); border-radius: 100px; }
.progress-bar.warn { background: linear-gradient(90deg, var(--amber), var(--red)); }

/* ===== sub card ===== */
.sub-card { border-left: 3px solid var(--cyan); margin-bottom: 16px; }
.sub-card.disabled { border-left-color: var(--text-dim); opacity: .75; }
.sub-card .sub-meta { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.sub-card .sub-name { font-weight: 600; font-size: 15px; }
.sub-card .sub-link-row { display: flex; gap: 10px; margin-top: 12px; align-items: center; flex-wrap: wrap; }
.sub-link-input {
    flex: 1; min-width: 200px; padding: 9px 12px; font-family: 'JetBrains Mono', monospace; font-size: 12px;
    background: rgba(6,10,20,.7); color: var(--cyan); border: 1px solid rgba(0,229,255,.25);
    border-radius: 10px; outline: none;
}
.qr-icon-btn { display: inline-flex; align-items: center; justify-content: center; padding: 9px 11px; line-height: 0; }
.qr-icon-btn svg { width: 16px; height: 16px; }

.qr-modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px; }
.qr-modal[hidden] { display: none; }
.qr-modal-backdrop { position: absolute; inset: 0; background: rgba(3,6,15,.78); backdrop-filter: blur(4px); }
.qr-modal-panel {
    position: relative; z-index: 1; width: 100%; max-width: 420px; text-align: center;
    background: var(--bg-2); border: 1px solid var(--panel-border); border-radius: var(--radius);
    padding: 30px 26px 26px; box-shadow: var(--shadow), var(--glow);
}
.qr-modal-title { font-family: 'Orbitron', sans-serif; font-size: 16px; letter-spacing: 1px; margin-bottom: 18px; color: var(--cyan); }
.qr-modal-panel img {
    max-width: 100%; width: 320px; height: auto; aspect-ratio: 1 / 1;
    background: #fff; border: 1px solid rgba(127,147,184,.3); border-radius: 12px; padding: 8px;
}
.qr-modal-close {
    position: absolute; top: 12px; right: 16px; background: none; border: none;
    color: var(--text-dim); font-size: 24px; line-height: 1; cursor: pointer; transition: color .2s;
}
.qr-modal-close:hover { color: var(--text); }
.qr-modal-link-row { display: flex; gap: 10px; margin-top: 18px; align-items: center; }
.qr-modal-link-row .sub-link-input { flex: 1; min-width: 0; }

/* ===== services (мини-CMS) ===== */
.service-card { display: block; text-decoration: none; color: inherit; }
.service-card:hover h3 { color: var(--cyan); }
.breadcrumb {
    display: inline-block; color: var(--text-dim); text-decoration: none;
    font-size: 13px; margin-bottom: 22px; transition: .2s;
}
.breadcrumb:hover { color: var(--cyan); }
.service-head { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; }
.service-head h1 { font-family: 'Orbitron', sans-serif; font-size: clamp(26px, 4vw, 40px); letter-spacing: 1px; }
.service-icon {
    flex: 0 0 auto; width: 64px; height: 64px; display: flex; align-items: center; justify-content: center;
    font-size: 34px; background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: 16px; box-shadow: var(--glow);
}
.service-content {
    font-size: 15px; color: var(--text); line-height: 1.75;
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 34px; backdrop-filter: blur(10px);
}
.service-content h2 { font-family: 'Orbitron', sans-serif; font-size: 21px; margin: 30px 0 12px; color: var(--cyan); }
.service-content h2:first-child { margin-top: 0; }
.service-content h3 { font-family: 'Orbitron', sans-serif; font-size: 17px; margin: 24px 0 10px; }
.service-content p { margin: 0 0 14px; }
.service-content ul, .service-content ol { margin: 0 0 16px; padding-left: 22px; display: grid; gap: 8px; }
.service-content li::marker { color: var(--cyan); }
.service-content a { color: var(--cyan); }
.service-content img { max-width: 100%; border-radius: 12px; }
.service-content blockquote {
    border-left: 3px solid var(--cyan); padding: 10px 18px; margin: 16px 0;
    color: var(--text-dim); background: rgba(0,229,255,.05); border-radius: 0 12px 12px 0;
}
.service-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.service-content th, .service-content td { border: 1px solid rgba(127,147,184,.25); padding: 10px 14px; text-align: left; }
.service-content th { background: rgba(0,229,255,.07); color: var(--cyan); font-size: 13px; text-transform: uppercase; letter-spacing: .5px; }
.service-content code, .service-content pre {
    font-family: 'JetBrains Mono', monospace; font-size: 13px; background: rgba(6,10,20,.7);
    border: 1px solid rgba(127,147,184,.2); border-radius: 8px;
}
.service-content code { padding: 2px 6px; }
.service-content pre { padding: 14px 16px; overflow-x: auto; margin: 0 0 16px; }
.order-panel {
    margin-top: 34px; max-width: 640px; margin-left: auto; margin-right: auto;
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 32px; backdrop-filter: blur(10px);
}
.order-panel h2 { font-family: 'Orbitron', sans-serif; font-size: 22px; text-align: center; margin-bottom: 6px; }
.order-sub { text-align: center; color: var(--text-dim); font-size: 14px; margin-bottom: 22px; }
@media (max-width: 700px) {
    .service-head { flex-direction: column; text-align: center; gap: 10px; }
    .service-content { padding: 22px; }
    .order-panel { padding: 24px; }
    .order-panel .grid-2 { grid-template-columns: 1fr !important; }
}

/* ===== admin ===== */
.admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-bottom: 30px; }
.admin-stat { background: var(--panel); border: 1px solid var(--panel-border); border-radius: var(--radius); padding: 20px 22px; }
.admin-stat .num { font-family: 'Orbitron', sans-serif; font-size: 28px; font-weight: 700; color: var(--cyan); }
.admin-stat .lbl { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-top: 2px; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.tab-link { padding: 9px 18px; border-radius: 10px; font-size: 14px; font-weight: 500; text-decoration: none; color: var(--text-dim); border: 1px solid rgba(127,147,184,.25); transition: .2s; }
.tab-link:hover { color: var(--text); border-color: var(--cyan); }
.tab-link.active { color: var(--cyan); border-color: var(--cyan); background: rgba(0,229,255,.08); }

/* ===== footer ===== */
.footer { border-top: 1px solid var(--panel-border); padding: 22px 0; color: var(--text-dim); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-status { display: inline-flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; animation: pulse 2s infinite; }

/* ===== misc ===== */
.muted { color: var(--text-dim); }
.text-center { text-align: center; }
.mt-4 { margin-top: 24px; }
.empty { text-align: center; padding: 44px 20px; color: var(--text-dim); }
.empty .icon { font-size: 40px; display: block; margin-bottom: 10px; opacity: .5; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
@media (max-width: 700px) {
    .nav { display: none; }
    .topbar-inner { gap: 12px; height: 56px; }
    .topbar-auth { gap: 8px; min-width: 0; }
    .logo-text { font-size: 15px; }
    .user-chip { min-width: 0; }
    .user-chip-name {
        max-width: 30vw; overflow: hidden; text-overflow: ellipsis;
        white-space: nowrap; font-size: 12px;
    }
    .topbar-auth .btn-sm { padding: 8px 14px; font-size: 13px; }
    .hero { padding: 46px 0 34px; }
    .card { padding: 24px; }
    .auth-wrap { margin: 24px auto; }
    .captcha-row { justify-content: center; flex-wrap: wrap; }
    .captcha-img { width: 100%; max-width: 220px; height: auto; aspect-ratio: 150 / 54; }
    .captcha-refresh { height: 44px; }
}