:root {
    --bg-main: #F4F6F9;
    --bg-card: #FFFFFF;
    --border-color: #E5E7EB;
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --primary: #10B981;
    --primary-hover: #059669;
    --primary-glow: rgba(16, 185, 129, 0.08);
    --danger: #EF4444;
    --danger-hover: #DC2626;
    --danger-glow: rgba(239, 68, 68, 0.08);
    --warning: #F59E0B;
    --warning-glow: rgba(245, 158, 11, 0.08);
    --info: #3B82F6;
    --info-glow: rgba(59, 130, 246, 0.08);
    --success: #10B981;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --shadow-card: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.01), 0 0 0 1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);
    --radius-lg: 10px;
    --radius-md: 6px;
    --radius-sm: 4px;
    --border: var(--border-color);
    --t-base: var(--text-primary);
    --t-muted: var(--text-secondary);
    --t-light: var(--text-secondary);
    --text3: var(--text-secondary);
    --text2: var(--text-secondary);
    --bg-muted: var(--bg-main);
    --bg-hover: rgba(0,0,0,.04);
    --primary-soft: var(--primary-glow);
    --danger-soft: var(--danger-glow);
    --warning-soft: var(--warning-glow);
    --info-soft: var(--info-glow);
    --success-soft: var(--primary-glow);
    --primary-ring: var(--primary-glow);
    --bg-body: var(--bg-main);
    --surface: var(--bg-card);
}
[data-theme="dark"] {
    --bg-main: #0F172A;
    --bg-card: #1E293B;
    --border-color: #334155;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --primary: #34D399;
    --primary-hover: #10B981;
    --primary-glow: rgba(52, 211, 153, 0.1);
    --danger: #F87171;
    --danger-hover: #EF4444;
    --danger-glow: rgba(248, 113, 113, 0.1);
    --warning: #FBBF24;
    --warning-glow: rgba(251, 191, 36, 0.1);
    --info: #60A5FA;
    --info-glow: rgba(96, 165, 250, 0.1);
    --success: #34D399;
    --shadow-card: 0 10px 15px -3px rgba(0,0,0,.3),0 4px 6px -2px rgba(0,0,0,.15),0 0 0 1px rgba(255,255,255,.03);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.4),0 10px 10px -5px rgba(0,0,0,.2);
    /* old name aliases */
    --border: var(--border-color);
    --t-base: var(--text-primary);
    --t-muted: var(--text-secondary);
    --t-light: var(--text-secondary);
    --text3: var(--text-secondary);
    --text2: var(--text-secondary);
    --bg-muted: var(--bg-main);
    --bg-hover: rgba(0,0,0,.04);
    --primary-soft: var(--primary-glow);
    --danger-soft: var(--danger-glow);
    --warning-soft: var(--warning-glow);
    --info-soft: var(--info-glow);
    --success-soft: var(--primary-glow);
    --primary-ring: var(--primary-glow);
    --bg-body: var(--bg-main);
    --surface: var(--bg-card);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-hover); }

/* Layout */
.layout-container { display: flex; min-height: 100vh; width: 100%; }
.sidebar {
    width: 240px; background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: 20px 16px;
    display: flex; flex-direction: column; gap: 20px;
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
    overflow-y: auto;
}
.sidebar-brand {
    font-size: 1.1rem; font-weight: 700; color: var(--text-primary);
    display: flex; align-items: center; gap: 8px; padding: 0 8px;
    cursor: pointer;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 1px; flex: 1; padding: 0 4px; }
.nav-section-title {
    padding: 12px 12px 3px; font-size: 0.55rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-secondary); opacity: 0.4;
    user-select: none;
}
.nav-item {
    display: flex; align-items: center; gap: 8px; padding: 7px 10px;
    color: var(--text-secondary); border-radius: 8px;
    font-weight: 450; font-size: 0.85rem; cursor: pointer;
    transition: all 0.2s cubic-bezier(.4,0,.2,1); border: none; background: none;
    width: 100%; text-align: left; position: relative;
}
.nav-item:hover {
    color: var(--text-primary); background: var(--primary-glow);
    transform: translateX(3px);
}
.nav-item.active, .nav-item.is-active {
    background: linear-gradient(135deg, var(--primary-glow), transparent);
    color: var(--primary); font-weight: 600;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.nav-item svg { width: 16px; height: 16px; flex-shrink: 0; }
.main-content {
    margin-left: 240px; flex: 1; padding: 8px 24px; overflow-y: auto; min-height: 100vh;
}
.main-content-inner { width: 100%; }

/* Cards */
.card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 14px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 16px; color: var(--text-primary); }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 5px; }
.form-control {
    width: 100%; padding: 10px 12px; background: var(--bg-card);
    border: 1px solid #D1D5DB; border-radius: var(--radius-md);
    color: var(--text-primary); font-size: 0.9rem; outline: none; transition: all 0.15s ease;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-glow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 20px; border-radius: var(--radius-md); font-weight: 600;
    font-size: 0.88rem; cursor: pointer; border: none; transition: all 0.15s ease;
    gap: 6px; background: var(--bg-card); color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn:hover { background: var(--bg-main); }
.btn-primary { background: var(--primary); color: #FFFFFF; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 4px 12px var(--primary-glow); }
.btn-danger { background: var(--danger); color: #FFFFFF; border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-hover); box-shadow: 0 4px 12px var(--danger-glow); }
.btn-warning { background: var(--warning); color: #FFFFFF; border-color: var(--warning); }
.btn-warning:hover { background: #D97706; box-shadow: 0 4px 12px var(--warning-glow); }
.btn-success { background: var(--success); color: #FFFFFF; border-color: var(--success); }
.btn-success:hover { background: var(--primary-hover); box-shadow: 0 4px 12px var(--primary-glow); }
.btn-sm { padding: 5px 10px; font-size: 0.75rem; border-radius: 6px; }
.action-btn {
    padding: 5px 10px; font-size: 0.75rem; border-radius: 6px;
    background: var(--bg-main); border: 1px solid var(--border-color);
    color: var(--text-secondary); cursor: pointer; font-weight: 500;
    transition: all 0.15s ease; display: inline-flex; align-items: center; gap: 3px;
    white-space: nowrap; line-height: 1.4; min-width: 58px; justify-content: center;
}
.action-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-glow); }
.action-btn.active { border-color: var(--primary); color: var(--primary); background: var(--primary-glow); }
.action-btn.active-danger { border-color: var(--danger); color: var(--danger); background: var(--danger-glow); }
.action-btn.active-danger:hover { border-color: var(--danger); color: #fff; background: var(--danger); }

/* Metrics */
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; margin-bottom: 14px; }
.metric-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 12px; padding: 14px 16px;
    display: flex; flex-direction: column; gap: 6px;
    box-shadow: var(--shadow-card); cursor: pointer;
    transition: all 0.2s cubic-bezier(.4,0,.2,1);
    position: relative; overflow: hidden;
}
.metric-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--border-color); border-radius: 12px 12px 0 0;
}
.metric-card:nth-child(1)::before { background: var(--text-secondary); }
.metric-card:nth-child(2)::before { background: var(--success); }
.metric-card:nth-child(3)::before { background: var(--warning); }
.metric-card:nth-child(4)::before { background: var(--danger); }
.metric-card:nth-child(5)::before { background: var(--info); }
.metric-card:hover {
    border-color: var(--primary); transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}
.metric-card.active { border-color: var(--primary); background: var(--primary-glow); }
.metric-label { font-size: 0.65rem; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.metric-value { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; }
.metric-value.revenue { color: var(--primary); }

/* Tables */
.table-container {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 20px;
    box-shadow: var(--shadow-card);
}
.table-responsive { width: 100%; overflow-x: auto; }
.custom-table { width: 100%; border-collapse: collapse; text-align: left; }
.custom-table th {
    background: #F9FAFB; padding: 6px 12px;
    font-size: 0.65rem; font-weight: 600; color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase; letter-spacing: .08em;
    cursor: pointer; user-select: none; white-space: nowrap;
}
[data-theme="dark"] .custom-table th { background: var(--bg-main); }
.custom-table th:hover { color: var(--primary); }
.custom-table td {
    padding: 6px 12px; font-size: 0.85rem; color: var(--text-primary);
    border-bottom: 1px solid var(--border-color); vertical-align: middle;
}
.custom-table tbody tr { transition: background-color 0.15s ease; }
.custom-table tbody tr:hover { background: #F9FAFB; }
[data-theme="dark"] .custom-table tbody tr:hover { background: rgba(255,255,255,.03); }
.sort-arrow { font-size: 9px; color: var(--primary); margin-left: 3px; }

/* Badges */
.badge {
    display: inline-flex; align-items: center; padding: 4px 10px;
    border-radius: 9999px; font-size: 0.7rem; font-weight: 600;
}
.badge-success { background: rgba(16,185,129,.1); color: var(--primary); border: 1px solid rgba(16,185,129,.2); }
.badge-danger  { background: rgba(239,68,68,.1); color: var(--danger); border: 1px solid rgba(239,68,68,.2); }
.badge-warning { background: rgba(245,158,11,.1); color: var(--warning); border: 1px solid rgba(245,158,11,.2); }
.badge-info    { background: rgba(59,130,246,.1); color: var(--info); border: 1px solid rgba(59,130,246,.2); }
.badge-neutral { background: rgba(0,0,0,.04); color: var(--text-secondary); border: 1px solid var(--border-color); }

/* Panels */
.dna-panel { display: none; }
.dna-panel.active { display: block; animation: fadeUp .18s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.page-title {
    font-size: 1.05rem; font-weight: 600; margin-bottom: 14px;
    display: flex; align-items: center; gap: 10px;
    padding-left: 12px; border-left: 3px solid var(--primary);
    letter-spacing: -0.01em; color: var(--text-primary);
    line-height: 1.3;
}
.page-title small {
    font-size: 0.78rem; color: var(--text-secondary); font-weight: 400;
    padding: 2px 8px; background: var(--primary-glow); border-radius: 20px;
}
.search-bar { display: flex; gap: 8px; margin-bottom: 8px; align-items: center; flex-wrap: wrap; }
#sticky-controls { position: sticky; top: 0; z-index: 20; background: var(--bg-main); padding: 4px 0; }

/* Utility */
.result-box {
    background: var(--bg-main); border: 1px solid var(--border-color);
    border-radius: 7px; padding: 11px 14px; font-size: 0.85rem;
    line-height: 1.7; margin-top: 12px; white-space: pre-wrap;
    word-break: break-all; display: none;
}
.result-ok   { border-left: 3px solid var(--success); color: var(--primary); }
.result-err  { border-left: 3px solid var(--danger);  color: var(--danger); }
.result-info { border-left: 3px solid var(--info);    color: var(--info); }
.result-warn { border-left: 3px solid var(--warning); color: var(--warning); }
.ns-row { display: flex; gap: 8px; margin-bottom: 6px; align-items: center; }
.ns-row input { flex: 1; }
.del-btn { background: transparent; border: none; color: var(--text-secondary); cursor: pointer; font-size: 18px; padding: 2px 5px; line-height: 1; border-radius: 4px; flex-shrink: 0; }
.del-btn:hover { color: var(--danger); background: var(--danger-glow); }
.settings-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.settings-row > label { width: 130px; font-size: 0.7rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .05em; flex-shrink: 0; font-weight: 600; }
.settings-row input, .settings-row select { flex: 1; }
.avail-item {
    display: flex; align-items: center; padding: 10px 14px;
    border: 1px solid var(--border-color); border-radius: var(--radius-md);
    margin-bottom: 6px; background: var(--bg-card);
    max-width: 650px;
}
.avail-item:hover { border-color: var(--primary); background: var(--primary-glow); }
.authcode {
    font-family: 'Courier New', monospace; background: var(--bg-main);
    border: 1px solid var(--border-color); padding: 2px 7px;
    border-radius: var(--radius-sm); font-size: 0.8rem; cursor: pointer; display: inline-block;
}
.authcode:hover { border-color: var(--info); color: var(--info); background: var(--info-glow); }
.spin {
    display: inline-block; width: 13px; height: 13px;
    border: 2px solid var(--border-color); border-top-color: var(--primary);
    border-radius: 50%; animation: spin .55s linear infinite; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }
.tld-chip {
    display: inline-flex; align-items: center; gap: 4px; padding: 5px 11px;
    border: 1px solid var(--border-color); border-radius: 99px; font-size: 0.85rem;
    cursor: pointer; user-select: none; background: var(--bg-card);
}
.tld-chip:hover { border-color: var(--primary); color: var(--primary); }
.tld-chip.selected { background: var(--primary-glow); border-color: var(--primary); color: var(--primary); font-weight: 600; }
.tld-chip input { display: none; }
.ac-box {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
    z-index: 500; max-height: 220px; overflow-y: auto; margin-top: 4px;
}
.ac-item {
    padding: 9px 13px; font-size: 0.85rem; cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
}
.ac-item:last-child { border-bottom: none; }
.ac-item:hover, .ac-item.ac-active { background: var(--primary-glow); color: var(--primary); }
.ac-item .ac-days { font-size: 0.8rem; color: var(--text-secondary); font-family: 'Courier New', monospace; }
.days-crit { color: var(--danger);  font-weight: 700; }
.days-warn { color: var(--warning); font-weight: 600; }
.days-ok   { color: var(--success); }
#statusbar {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-card); border-top: 1px solid var(--border-color);
    padding: 5px 24px; font-size: 0.8rem; color: var(--text-secondary);
    display: flex; justify-content: space-between; align-items: center;
    z-index: 200; margin-left: 240px;
}
#statusbar .s-val { color: var(--primary); font-weight: 600; }
#logbar {
    display: none; position: fixed; bottom: 28px; left: 240px; right: 0;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    box-shadow: var(--shadow-lg); z-index: 190;
    max-height: 200px; overflow-y: auto; cursor: pointer;
}
#logbar-entries { padding: 4px 14px; font-size: 0.8rem; }
#scroll-top {
    position: fixed; bottom: 40px; right: 20px; z-index: 300;
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--bg-card); border: 1px solid var(--border-color);
    color: var(--text-secondary); cursor: pointer; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-lg); transition: all .15s;
}
#scroll-top:hover { background: var(--primary-glow); color: var(--primary); border-color: var(--primary); }

/* Modals */
#detail-overlay, #register-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,.45); z-index: 400;
    align-items: center; justify-content: center; backdrop-filter: blur(4px);
}
#detail-overlay.open, #register-overlay.open { display: flex; }
.modal-box {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); width: 640px; max-height: 88vh;
    overflow-y: auto; padding: 26px; box-shadow: var(--shadow-lg); animation: fadeUp .2s ease;
}
.modal-hd { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.modal-title { font-size: 1rem; font-weight: 700; color: var(--primary); }
.close-btn { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 22px; line-height: 1; padding: 3px 6px; border-radius: var(--radius-sm); }
.close-btn:hover { color: var(--text-primary); background: var(--bg-main); }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.info-item { background: var(--bg-main); border-radius: var(--radius-md); padding: 11px 13px; }
.info-item .k { font-size: 0.65rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 4px; font-weight: 600; }
.info-item .v { font-size: 0.9rem; font-weight: 600; }
.action-bar { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border-color); }
.log-area { background: var(--bg-main); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 8px; max-height: 480px; overflow-y: auto; font-family: 'Courier New', monospace; font-size: 0.8rem; line-height: 1.7; }
.tpl-row { background: var(--bg-main); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 10px 12px; margin-bottom: 8px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label, .field-label { font-size: 0.7rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .06em; }
.row { display: flex; gap: 12px; margin-bottom: 14px; }
.row .field { flex: 1; }

input[type="text"], input[type="password"], input[type="email"], input[type="file"], select, textarea {
    width: 100%; background: var(--bg-card); border: 1px solid var(--border-color);
    color: var(--text-primary); font-family: var(--font-sans); font-size: 0.9rem;
    padding: 8px 11px; border-radius: var(--radius-md); outline: none; line-height: 1.4;
}
input[type="text"]:focus, input[type="password"]:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
input::placeholder { color: var(--text-secondary); opacity: .6; }

/* Sidebar balance area */
.sidebar-footer { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border-color); }
.sidebar-user { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.sidebar-env { font-size: 0.7rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .05em; }
.balance-label { font-size: 0.65rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }
.balance-val { font-size: 1.4rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

/* Theme toggle topbar */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 0 4px; gap: 12px;
}
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.topbar-left .current { font-weight: 600; color: var(--text-primary); }
.topbar-left .sep { color: var(--text-secondary); opacity: .5; }
.hamburger {
    display: none; background: none; border: none; cursor: pointer;
    padding: 4px; color: var(--text-secondary);
}
.hamburger svg { width: 20px; height: 20px; }

/* Sidebar mobile overlay */
.sidebar-overlay { display: none; }

@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); transition: transform .25s; }
    .sidebar.is-open { transform: translateX(0); box-shadow: 4px 0 20px rgba(0,0,0,.3); }
    .sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 99; }
    .sidebar-overlay.is-visible { display: block; }
    .main-content { margin-left: 0; padding: 20px 16px; }
    .hamburger { display: inline-flex; }
    #statusbar { margin-left: 0; }
    #logbar { left: 0; }
    .form-row { grid-template-columns: 1fr; }
}