:root {
    --bg: #07090d;
    --bg-elev: #0d1117;
    --bg-card: #11151c;
    --bg-hover: #1a1f29;
    --border: #1e2530;
    --border-light: #2a3442;
    --text: #e6edf3;
    --text-muted: #7d8794;
    --text-dim: #5a6572;
    --primary: #7cc6ff;
    --primary-soft: #b8dcff;
    --primary-dark: #4a9eff;
    --success: #7ee0a8;
    --danger: #ff9aa2;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;
}
* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-soft); }

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(circle at 20% 30%, #0d1117, #07090d);
}
.auth-container { width: 100%; max-width: 460px; padding: 20px; }
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.6);
}
.auth-header { text-align: center; margin-bottom: 32px; }
.auth-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}
.auth-header p { color: var(--text-muted); font-size: 14px; margin-top: 6px; }
.auth-form {
    text-align: center;
}

.auth-form .form-group {
    text-align: left;
}

.auth-form .btn-primary {
    margin: 8px auto 0 auto;
    display: inline-flex;
}
.auth-form .form-group { margin-bottom: 22px; }
.auth-form label { display:block; margin-bottom:8px; font-weight:500; color:var(--text); font-size:14px; }
.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 14px;
}

input, select, textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-elev) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--text) !important;
    font-size: 14px;
    font-family: inherit;
    transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(124,198,255,0.15) !important;
    outline: none;
}

.btn-primary {
    padding: 11px 24px;
    background: var(--primary);
    color: #0a121e;
    border: none;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background .15s, transform .15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-primary:hover { background: var(--primary-soft); transform: translateY(-1px); }

.btn-small {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text);
    border-radius: var(--radius-pill);
    padding: 6px 14px;
    font-size: 13px;
    cursor: pointer;
    transition: all .15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-small:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { border-color: rgba(255,154,162,0.4); color: var(--danger); }
.btn-danger:hover { background: rgba(255,154,162,0.08); border-color: var(--danger); }

.app { display:flex; min-height:100vh; background: var(--bg); }
.sidebar {
    width: 260px;
    background: var(--bg-elev);
    border-right: 1px solid var(--border);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: width .2s ease;
}
.sidebar.collapsed { width: 76px; }
.sidebar.collapsed .nav-text { display: none; }
.sidebar.collapsed .sidebar-header h2 { display: none; }
.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo { display:flex; align-items:center; gap:12px; }
.logo-img { width:36px; height:36px; border-radius:10px; }
.sidebar-header h2 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
}
.sidebar-toggle { background:none; border:none; color:var(--text-muted); cursor:pointer; font-size:16px; }
.sidebar-nav { padding: 16px 12px; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    margin-bottom: 4px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 14px;
    transition: background .15s, color .15s;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active {
    background: rgba(124,198,255,0.1);
    color: var(--primary);
    border-left: 2px solid var(--primary);
}
.nav-icon { min-width: 20px; display: inline-flex; align-items: center; }
.main-content { flex:1; margin-left: 260px; transition: margin-left .2s; }
.content-header {
    padding: 24px 36px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.content-header h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
}
.user-info {
    background: var(--bg-card);
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    border: 1px solid var(--border);
}
.page { display:none; padding: 32px 36px; animation: fadeIn .25s; }
.page.active { display:block; }

.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:20px; margin-top:20px; }
.subdomain-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 22px;
    transition: all .2s;
}
.subdomain-card:hover { border-color: var(--border-light); transform: translateY(-2px); }
.subdomain-name { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 10px; word-break: break-all; }
.subdomain-status {
    display: inline-block;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.subdomain-status.active { background: rgba(126,224,168,0.12); color: var(--success); border: 1px solid rgba(126,224,168,0.25); }
.subdomain-status.inactive { background: rgba(255,154,162,0.12); color: var(--danger); border: 1px solid rgba(255,154,162,0.25); }
.subdomain-stats { margin: 16px 0 12px; color: var(--text-muted); font-size: 13px; }
.progress-bar { background: var(--bg-elev); border-radius: var(--radius-pill); height: 6px; overflow: hidden; }
.progress-fill { background: linear-gradient(90deg, var(--primary-dark), var(--primary)); height: 100%; border-radius: var(--radius-pill); }
.subdomain-actions { display:flex; gap:10px; margin-top:14px; flex-wrap:wrap; }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px dashed var(--border-light);
    margin: 20px auto;
    max-width: 420px;
    font-size: 14px;
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(7,9,13,0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal.active { display: flex; animation: fadeIn .2s; }
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    max-width: 560px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 30px 60px rgba(0,0,0,0.7);
}
.modal-fullscreen { max-width: 95%; width: 95%; height: 90%; display: flex; flex-direction: column; }
.modal-body { flex: 1; overflow-y: auto; padding: 24px; }
.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 { font-size: 18px; color: var(--primary); }
.modal-close {
    background: transparent;
    border: 1px solid var(--border-light);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-pill);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 18px;
    transition: all .15s;
}
.modal-close:hover { border-color: var(--danger); color: var(--danger); }

.form-group { margin-bottom: 20px; padding: 0 24px; }
.form-group:first-child { padding-top: 16px; }
.form-group label { display:block; margin-bottom:8px; color:var(--text); font-weight:500; font-size:14px; }
.form-group small { color: var(--text-muted); font-size: 12px; margin-top: 4px; display: block; }

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 24px;
    background: var(--bg-elev);
    border-radius: var(--radius-sm);
    margin: 0 24px 16px 24px;
    align-items: flex-end;
}
.form-row select, .form-row input {
    flex: 1;
    min-width: 100px;
    background: transparent !important;
    border: none !important;
    padding: 8px 4px !important;
    color: var(--text);
}
.form-row input:focus, .form-row select:focus { box-shadow: none !important; }

.switch-label { display:flex; align-items:center; gap:12px; padding: 4px 0; }
.switch-text { color: var(--text); font-size: 13px; }
.switch-text small { color: var(--text-muted); font-size: 11px; display: block; }
.switch { position: relative; display: inline-block; width: 46px; height: 26px; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: var(--border-light);
    transition: .2s;
    border-radius: var(--radius-pill);
}
.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text);
    transition: .2s;
    border-radius: 50%;
}
.switch input:checked + .slider { background-color: var(--primary); }
.switch input:checked + .slider:before { transform: translateX(20px); background-color: #0a121e; }

.dns-records-list { padding: 0 24px; }
.dns-record {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    flex-wrap: wrap;
    font-size: 13px;
}
.dns-record-type {
    background: rgba(124,198,255,0.1);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 700;
}
.dns-record-name, .dns-record-content { word-break: break-all; }
.dns-record-actions { display: flex; gap: 6px; margin-left: auto; }

.add-dns-form h4 { padding: 12px 24px; color: var(--primary); font-size: 16px; }

.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 1100; }
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 12px 20px;
    margin-top: 10px;
    min-width: 260px;
    color: var(--text);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: slideInRight .3s;
    position: relative;
    overflow: hidden;
}
.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-progress { position: absolute; bottom: 0; left: 0; height: 2px; animation: progress 5s linear; }
.toast-success .toast-progress { background: var(--success); }
.toast-error .toast-progress { background: var(--danger); }

.settings-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(340px,1fr)); gap:24px; margin-top:20px; }
.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}
.settings-card h3 {
    margin-bottom: 18px;
    font-size: 16px;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}
.settings-card .form-group { padding: 0; }
.settings-card .form-group:first-child { padding-top: 0; }

.actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}
.section-subtitle {
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 600;
}
.actions-bar h2 { font-size: 22px; font-weight: 600; margin-top: 4px; }

.users-list { display: grid; gap: 12px; margin-top: 20px; }
.user-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    cursor: pointer;
    transition: .15s;
}
.user-card:hover { background: var(--bg-hover); border-color: var(--border-light); }
.user-info-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
}
.badge {
    padding: 3px 12px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
}
.badge.admin { background: rgba(255,154,162,0.12); color: var(--danger); border: 1px solid rgba(255,154,162,0.25); }
.badge.user { background: rgba(126,224,168,0.12); color: var(--success); border: 1px solid rgba(126,224,168,0.25); }

.admin-tab { display: none; padding: 32px 36px; }
.admin-tab.active { display: block; }

.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--text);
    font-size: 18px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-btn { display: block; }
    .sidebar { transform: translateX(-100%); transition: transform .25s; width: 260px; }
    .sidebar.mobile-open { transform: translateX(0); }
    .main-content { margin-left: 0 !important; padding-top: 70px; }
    .content-header, .page, .admin-tab { padding: 20px; }
    .cards-grid, .settings-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; align-items: stretch; margin: 0 20px 12px 20px; }
    .modal-fullscreen { width: 98%; height: 95%; }
    .dns-record-actions { margin-left: 0; width: 100%; justify-content: flex-end; }
    .sidebar-toggle { display: none; }
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes progress { from { width: 100%; } to { width: 0%; } }

/* Правки интерфейса */
.form-group { margin-bottom: 18px !important; padding: 0 !important; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; color: var(--text); font-size: 14px; }
.form-group input, .form-group select { width: 100%; }
.form-group small { display: block; margin-top: 6px; color: var(--text-muted); font-size: 12px; }

.modal-content .form-group { padding: 0 24px !important; }
.modal-content .form-group:first-child { padding-top: 20px !important; }
.modal-content form > button.btn-primary,
.modal-content .btn-primary[type="submit"] {
    margin: 8px 24px 24px 24px !important;
    width: calc(100% - 48px) !important;
    display: flex !important;
}

.form-row {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
    padding: 12px 16px !important;
    background: var(--bg-elev) !important;
    border-radius: var(--radius-sm) !important;
    margin: 0 24px 12px 24px !important;
    align-items: center !important;
}
.form-row input, .form-row select {
    flex: 1 !important;
    min-width: 120px !important;
    padding: 10px 12px !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    background: var(--bg-card) !important;
    color: var(--text) !important;
}
.form-row input:focus, .form-row select:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(124,198,255,0.15) !important;
}

.settings-card { padding: 24px !important; }
.settings-card .form-group { padding: 0 !important; margin-bottom: 16px !important; }
.settings-grid { gap: 20px !important; }

.content-header { padding: 20px 32px !important; }
.page { padding: 28px 32px !important; }
.cards-grid { gap: 18px !important; }
.subdomain-card { padding: 20px !important; }

.modal-body { padding: 0 !important; }
.modal-body .dns-records-list { padding: 20px 24px 0 24px !important; }
.add-dns-form h4 { padding: 20px 24px 12px 24px !important; margin: 0 !important; }

input, select, textarea {
    padding: 11px 14px !important;
    line-height: 1.4 !important;
    font-family: inherit !important;
}

.auth-form { text-align: center !important; }
.auth-form .form-group { text-align: left !important; }
.auth-form .btn-primary {
    margin: 8px auto 0 auto !important;
    display: inline-flex !important;
}

.user-info-card { gap: 12px !important; align-items: flex-start !important; }
.user-card { padding: 16px 20px !important; }

.actions-bar { margin-bottom: 20px !important; gap: 12px !important; }
.actions-bar h2 { margin-top: 4px !important; }