:root {
    --bg-root:     #0d1117;
    --bg-nav:      #161b22;
    --bg-card:     #1c2128;
    --bg-input:    #0d1117;
    --bg-hover:    #21262d;
    --bg-section:  #161b22;
    --border:      #30363d;
    --border-lite: #21262d;
    --text:        #e6edf3;
    --text-muted:  #8b949e;
    --text-dim:    #6e7681;
    --green:       #3fb950;
    --blue:        #58a6ff;
    --red:         #f85149;
    --orange:      #d29922;
    --purple:      #a371f7;
    --cyan:        #39d353;
    --sidebar-w:   240px;
    --header-h:    36px;
    --nav-h:       42px;
    --tabs-h:      36px;
}

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

body {
    background: var(--bg-root);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 13px;
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── STATS BAR ─────────────────────────────────────────────────── */
#stats-bar {
    height: var(--header-h);
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 8px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.stat-item { font-size: 12px; color: var(--text-muted); }
.stat-item strong { color: var(--blue); }
.stat-sep  { color: var(--border); }

/* ── NAVIGATION ─────────────────────────────────────────────────── */
#main-nav {
    height: var(--nav-h);
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 4px;
    position: sticky;
    top: var(--header-h);
    z-index: 99;
}
.nav-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background .15s, color .15s;
}
.nav-btn:hover  { background: var(--bg-hover); color: var(--text); }
.nav-btn.active { background: var(--bg-hover); color: var(--blue); border-bottom: 2px solid var(--blue); }

/* ── PAGE ───────────────────────────────────────────────────────── */
#page-content {
    height: calc(100vh - var(--header-h) - var(--nav-h));
    display: flex;
    overflow: hidden;
}

/* ── SIDEBAR ────────────────────────────────────────────────────── */
#sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width .2s;
}
#sidebar.collapsed { width: 36px; min-width: 36px; }
#sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-section);
    flex-shrink: 0;
}
#sidebar-header span { font-size: 11px; color: var(--text-muted); font-weight: 600; white-space: nowrap; overflow: hidden; }
#sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 16px;
    padding: 0 2px;
    flex-shrink: 0;
    line-height: 1;
}
#sidebar-toggle:hover { color: var(--text); }
#sidebar-search-wrap { padding: 6px 8px; flex-shrink: 0; display: flex; align-items: center; gap: 4px; }
#sidebar-search {
    flex: 1; min-width: 0; box-sizing: border-box;
    background: var(--bg3); border: 1px solid var(--border);
    color: var(--text); border-radius: 4px;
    padding: 4px 7px; font-size: 11px;
}
#sidebar-search::placeholder { color: var(--text-dim); }
#sidebar-search-clear {
    flex-shrink: 0; background: none; border: none;
    color: var(--text-dim); font-size: 14px; line-height: 1;
    cursor: pointer; padding: 2px 4px; border-radius: 3px;
}
#sidebar-search-clear:hover { color: var(--text); background: var(--bg3); }
#sidebar.collapsed #sidebar-search-wrap { display: none; }
#sidebar-list { overflow-y: auto; flex: 1; padding: 4px 0; }
.history-item {
    padding: 7px 10px;
    border-bottom: 1px solid var(--border-lite);
    cursor: pointer;
    transition: background .1s;
    overflow: hidden;
}
.history-item:hover { background: var(--bg-hover); }
.history-item .hi-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
    white-space: nowrap;
    overflow: hidden;
}
.history-item .hi-email { font-size: 11px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; flex:1; }
.history-item .hi-status { font-size: 10px; padding: 1px 5px; border-radius: 4px; flex-shrink:0; }
.hi-status.pending   { background: #30363d; color: var(--text-muted); }
.hi-status.running   { background: #1f3a5f; color: var(--blue); }
.hi-status.completed { background: #1a3a28; color: var(--green); }
.hi-status.failed    { background: #3d1c1c; color: var(--red); }
.history-item .hi-meta { font-size: 10px; color: var(--text-dim); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-item .hi-del {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 14px;
    padding: 0 3px;
    opacity: 0;
    transition: opacity .1s;
}
.history-item:hover .hi-del { opacity: 1; }
.history-item .hi-del:hover { color: var(--red); }

/* ── INSTALLER WRAP ─────────────────────────────────────────────── */
#installer-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* ── INSTALLER TABS ─────────────────────────────────────────────── */
#installer-tabs {
    height: var(--tabs-h);
    display: flex;
    align-items: stretch;
    border-bottom: 1px solid var(--border);
    background: var(--bg-nav);
    padding: 0 6px;
    gap: 1px;
    flex-shrink: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
#installer-tabs::-webkit-scrollbar { display: none; }

.installer-tab {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 0 13px;
    height: 100%;
    cursor: pointer;
    border: none;
    border-bottom: 2px solid transparent;
    background: none;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    transition: color .15s, border-color .15s;
    font-family: inherit;
    flex-shrink: 0;
}
.installer-tab:hover { color: var(--text); }
.installer-tab.active { color: var(--blue); border-bottom-color: var(--blue); }

/* ── TAB STATUS DOT ─────────────────────────────────────────────── */
.tab-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--text-dim);
    transition: background .3s;
}
.tab-status-dot.running   { background: #e3a039; animation: dot-blink .85s ease-in-out infinite; }
.tab-status-dot.completed { background: var(--green); animation: none; }
.tab-status-dot.failed    { background: var(--red);   animation: none; }

@keyframes dot-blink {
    0%, 100% { background: #1a7a30; opacity: 1; }
    50%       { background: #0a3d18; opacity: 0.45; }
}

.tab-close {
    margin-left: 3px;
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1;
    padding: 1px 3px;
    border-radius: 3px;
    transition: color .1s, background .1s;
}
.tab-close:hover { color: var(--red); background: rgba(248,81,73,.15); }

.tab-add {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 20px;
    padding: 0 12px;
    height: 100%;
    display: flex;
    align-items: center;
    transition: color .15s;
    font-family: inherit;
    flex-shrink: 0;
    margin-left: 4px;
}
.tab-add:hover { color: var(--blue); }

/* ── INSTALLER PANEL ────────────────────────────────────────────── */
#installer-panel {
    flex: 1;
    overflow: hidden;
    position: relative;
    min-height: 0;
}

.installer-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    height: 100%;
    color: var(--text-muted);
    font-size: 14px;
}

/* ── INSTALLER CARD (horizontal) ────────────────────────────────── */
.installer-card-h {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
}

.card-body-h {
    flex: 1;
    display: flex;
    flex-direction: row;
    overflow: hidden;
    min-height: 0;
}

.card-col {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 10px;
    gap: 10px;
    border-right: 1px solid var(--border);
    min-width: 0;
}
.card-col:last-child { border-right: none; }
.card-col::-webkit-scrollbar { width: 4px; }
.card-col::-webkit-scrollbar-track { background: transparent; }
.card-col::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.card-col-main { width: 222px; flex-shrink: 0; }
.card-col-vpn  { flex: 1; }
.card-col-rdp  { flex: 1; }
.card-col-ssh  { flex-shrink: 0; }

.card-footer-h {
    border-top: 1px solid var(--border);
    padding: 7px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-shrink: 0;
    background: var(--bg-section);
}
.footer-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* ── FORM SECTIONS ──────────────────────────────────────────────── */
.form-section { display: flex; flex-direction: column; gap: 5px; }
.section-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--text-dim);
    text-transform: uppercase;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--border-lite);
    margin-bottom: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sync-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1;
    padding: 1px 5px;
    cursor: pointer;
    transition: color .15s, border-color .15s;
}
.sync-btn:hover { color: var(--blue); border-color: var(--blue); }
.sync-btn:disabled { opacity: .4; cursor: default; }
.form-row { display: flex; gap: 5px; align-items: flex-start; }
.form-col { display: flex; flex-direction: column; gap: 2px; flex: 1; }

.pass-wrap { display: flex; align-items: center; gap: 2px; }
.pass-wrap input { flex: 1; min-width: 0; }
.pass-eye {
    flex-shrink: 0;
    background: none;
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 2px 5px;
    cursor: pointer;
    font-size: 11px;
    line-height: 1;
    color: var(--text-muted);
}
.pass-eye:hover { border-color: var(--blue); }

.toggle-switch { position: relative; display: inline-block; width: 32px; height: 18px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; inset: 0; background: var(--border); border-radius: 18px; cursor: pointer; transition: background .2s; }
.toggle-slider::before { content: ''; position: absolute; width: 12px; height: 12px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: transform .2s; }
.toggle-switch input:checked + .toggle-slider { background: var(--blue); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(14px); }

.days-wrap    { position: relative; }
.days-display {
    padding: 4px 8px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 12px;
    cursor: pointer;
    user-select: none;
}
.days-display:hover { border-color: var(--blue); }
.days-picker {
    position: absolute;
    top: calc(100% + 3px);
    left: 0;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    min-width: 130px;
    padding: 4px 0;
    box-shadow: 0 4px 16px rgba(0,0,0,.4);
}
.days-preset {
    padding: 6px 12px;
    font-size: 12px;
    color: var(--text);
    cursor: pointer;
}
.days-preset:hover { background: var(--bg-hover, #ffffff11); color: var(--blue); }
.days-custom-row {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    border-top: 1px solid var(--border);
    margin-top: 2px;
}
.days-custom-input {
    flex: 1;
    width: 0;
    padding: 3px 6px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text);
    font-size: 11px;
}
.days-custom-row button {
    padding: 3px 8px;
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 3px;
    font-size: 11px;
    cursor: pointer;
}
label { font-size: 10px; color: var(--text-muted); }

input[type=text],
input[type=password],
input[type=email],
input[type=number],
select,
textarea {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 4px;
    padding: 4px 6px;
    font-size: 11px;
    width: 100%;
    outline: none;
    transition: border-color .15s;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 2px rgba(88,166,255,.12);
}
select { cursor: pointer; }
input[type=number] { -moz-appearance: textfield; }
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ── SERVER ROWS ────────────────────────────────────────────────── */
.server-row {
    background: var(--bg-section);
    border: 1px solid var(--border-lite);
    border-radius: 5px;
    padding: 6px 7px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.server-row-num { font-size: 10px; color: var(--text-dim); font-weight: 600; }
.server-row .skip-row {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 1px;
}
.server-row .skip-row label { font-size: 10px; color: var(--text-dim); cursor: pointer; }
input[type=checkbox] { accent-color: var(--orange); cursor: pointer; }

/* ── INSTALL BUTTON ─────────────────────────────────────────────── */
.install-btn {
    background: var(--green);
    color: #000;
    border: none;
    padding: 7px 22px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
    transition: background .15s, transform .1s;
    white-space: nowrap;
}
.install-btn:hover  { background: #4ac461; transform: translateY(-1px); }
.install-btn:active { transform: translateY(0); }
.install-btn:disabled { background: #2d3c30; color: #3fb95066; cursor: not-allowed; transform: none; }

.cancel-btn {
    padding: 6px 14px;
    background: transparent;
    color: var(--red);
    border: 1px solid var(--red);
    border-radius: 5px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s;
}
.cancel-btn:hover { background: rgba(248,81,73,.12); }

.issue-btn {
    padding: 6px 18px;
    background: #1f6feb;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .05em;
    cursor: pointer;
    transition: background .15s, transform .1s;
}
.issue-btn:hover    { background: #388bfd; transform: translateY(-1px); }
.issue-btn:disabled { background: #1a3a5c; color: #388bfd66; cursor: not-allowed; transform: none; }

/* ── LOG AREA ───────────────────────────────────────────────────── */
.log-wrap { display: none; flex-direction: column; gap: 3px; }
.log-wrap.open { display: flex; }

.log-area {
    background: #0d1117;
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 6px 8px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 10px;
    max-height: 100px;
    overflow-y: auto;
    line-height: 1.55;
}
.log-area::-webkit-scrollbar { width: 4px; }
.log-area::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.log-line-info    { color: var(--text-muted); }
.log-line-success { color: var(--green); }
.log-line-error   { color: var(--red); }
.log-line-warning { color: var(--orange); }

.log-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
}
.badge-running  { background: #1f3a5f; color: var(--blue); }
.badge-done     { background: #1a3a28; color: var(--green); }
.badge-failed   { background: #3d1c1c; color: var(--red); }
.spinner {
    width: 9px;
    height: 9px;
    border: 2px solid #30363d;
    border-top-color: var(--blue);
    border-radius: 50%;
    animation: spin .6s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── SSH TERMINAL COLUMN ────────────────────────────────────────── */
.card-col-ssh {
    flex-shrink: 0;
    background: #0a0a0a;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 4px;
    align-items: flex-start;
}

.ssh-term-wrap {
    display: flex;
    flex-direction: column;
    width: 300px;
    flex-shrink: 0;
}

.ssh-term-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    background: #111;
    border: 1px solid #2a2a2a;
    border-bottom: none;
    padding: 4px 8px;
    border-radius: 3px 3px 0 0;
}

.ssh-term-label {
    color: #555;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.ssh-term-ip {
    flex: 1;
    color: #58a6ff;
    font-family: 'Consolas', 'Courier New', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ssh-term-status {
    color: #444;
    font-size: 10px;
}

.ssh-terminal {
    width: 300px;
    height: 300px;
    box-sizing: border-box;
    overflow-y: auto;
    padding: 8px 10px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 10px;
    line-height: 1.6;
    background: #000;
    color: #33ff33;
    word-break: break-all;
    border: 1px solid #2a2a2a;
    border-radius: 0 0 3px 3px;
}

.ssh-terminal::-webkit-scrollbar { width: 4px; }
.ssh-terminal::-webkit-scrollbar-track { background: transparent; }
.ssh-terminal::-webkit-scrollbar-thumb { background: #2a2a2a; border-radius: 2px; }

.term-line   { color: #aaa; white-space: pre-wrap; }
.term-info    { color: #aaa; }
.term-success { color: #3fb950; }
.term-error   { color: #ff5555; }
.term-warning { color: #e3a039; }

.ssh-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
    transition: background .3s;
}
.ssh-dot.idle       { background: #333; }
.ssh-dot.connecting { background: var(--orange); animation: dot-blink .85s ease-in-out infinite; }
.ssh-dot.connected  { background: var(--green); }
.ssh-dot.failed     { background: var(--red); }

/* ── RADIO CHIPS (level selector) ──────────────────────────────── */
.chip-group { display: flex; flex-wrap: wrap; gap: 4px; }
.chip-group input[type=radio] { display: none; }
.chip-group label {
    padding: 3px 8px;
    border: 1px solid var(--border);
    border-radius: 20px;
    cursor: pointer;
    font-size: 10px;
    color: var(--text-muted);
    transition: background .12s, border-color .12s, color .12s;
    white-space: nowrap;
}
.chip-group input[type=radio]:checked + label {
    background: var(--blue);
    border-color: var(--blue);
    color: #000;
    font-weight: 600;
}

/* ── IPv6 PAGE ──────────────────────────────────────────────────── */
#ipv6-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#ipv6-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-nav);
    gap: 10px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

#ipv6-conf-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.conf-tag {
    background: var(--bg-card);
    border: 1px solid var(--border-lite);
    border-radius: 4px;
    padding: 2px 8px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 10px;
    display: flex;
    gap: 5px;
}
.conf-key { color: var(--text-dim); }
.conf-val { color: var(--blue); }

.ipv6-status {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 4px;
    white-space: nowrap;
}
.ipv6-status.success { background: #1a3a28; color: var(--green); }
.ipv6-status.error   { background: #3d1c1c; color: var(--red); }

#ipv6-table-wrap {
    flex: 1;
    overflow-y: auto;
}

#ipv6-table {
    width: 100%;
    border-collapse: collapse;
}

#ipv6-table thead th {
    position: sticky;
    top: 0;
    background: var(--bg-nav);
    z-index: 2;
    text-align: left;
    padding: 7px 12px;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: .06em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

#ipv6-table td {
    padding: 7px 12px;
    border-bottom: 1px solid var(--border-lite);
    font-size: 12px;
    vertical-align: middle;
}

.ipv6-row:hover td { background: var(--bg-hover); }

.ipv6-col-dot  { width: 24px; text-align: center; }
.ipv6-dot      { display: inline-block; width: 10px; height: 10px; border-radius: 50%; vertical-align: middle; }
.ipv6-dot.ok   { background: #3fb950; box-shadow: 0 0 5px #3fb95077; }
.ipv6-dot.err  { background: #f85149; box-shadow: 0 0 5px #f8514977; }
.ipv6-col-ipv4 { color: var(--orange); font-family: 'Consolas', monospace; font-weight: 600; white-space: nowrap; }
.ipv6-col-ipv6 { color: var(--blue); font-family: 'Consolas', monospace; font-size: 11px; }
.ipv6-col-port { color: var(--text-muted); font-family: 'Consolas', monospace; white-space: nowrap; }
.ipv6-col-cid  { color: var(--text-dim); font-size: 11px; }
.ipv6-col-del  { width: 32px; text-align: center; }

.ipv6-col-del button {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 16px;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity .1s, color .1s, background .1s;
}
.ipv6-row:hover .ipv6-col-del button { opacity: 1; }
.ipv6-col-del button:hover { color: var(--red); background: rgba(248,81,73,.12); }

.ipv6-empty {
    text-align: center;
    color: var(--text-dim);
    padding: 30px !important;
    font-size: 12px;
}

#ipv6-add-form {
    border-top: 1px solid var(--border);
    background: var(--bg-section);
    padding: 10px 14px;
    flex-shrink: 0;
}

.ipv6-add-title {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 8px;
}

.ipv6-add-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.ipv6-next-preview {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 8px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 11px;
    color: var(--green);
    white-space: nowrap;
    display: flex;
    gap: 2px;
}
.ipv6-next-preview .preview-port { color: var(--text-dim); }

.ipv6-add-btn {
    background: var(--blue);
    color: #000;
    border: none;
    padding: 6px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    transition: background .15s;
    height: 28px;
}
.ipv6-add-btn:hover    { background: #79b9ff; }
.ipv6-add-btn:disabled { background: #1f3a5f; color: #58a6ff66; cursor: not-allowed; }

/* ── PLACEHOLDER PAGE ───────────────────────────────────────────── */
.placeholder-page {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 14px;
}

/* ── SCROLLBARS ─────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── LOGIN OVERLAY ──────────────────────────────────────────────── */
#login-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-root);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
#login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 300px;
}
#login-box h2 {
    margin: 0 0 4px;
    font-size: 16px;
    color: var(--text);
    text-align: center;
}
#login-pass {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    padding: 8px 10px;
    font-size: 14px;
    outline: none;
}
#login-pass:focus { border-color: var(--blue); }
#login-btn {
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: opacity .15s;
}
#login-btn:hover { opacity: .85; }
#login-error {
    color: var(--red);
    font-size: 12px;
    min-height: 16px;
}
.nav-btn-logout {
    margin-left: auto;
    font-size: 16px;
    opacity: .6;
}
.nav-btn-logout:hover { opacity: 1; }

/* ── STATUS SELECT ──────────────────────────────────────────────── */
.status-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 11px;
    padding: 2px 4px;
    cursor: pointer;
    height: 22px;
}
.status-select:focus { outline: none; border-color: var(--blue); }

/* ── SERVS DOWN ─────────────────────────────────────────────────── */
.sd-page { display: flex; flex-direction: column; height: 100%; }

.sd-tabs {
    display: flex;
    gap: 2px;
    padding: 10px 16px 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg-nav);
}
.sd-tab {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    padding: 6px 18px;
    font-size: 13px;
    cursor: pointer;
    margin-bottom: -1px;
    transition: color .15s, border-color .15s;
}
.sd-tab:hover  { color: var(--text); }
.sd-tab.active { color: var(--blue); border-bottom-color: var(--blue); }

.sd-rdp-wrap { display: flex; flex-direction: column; gap: 14px; padding: 16px; overflow-y: auto; flex: 1; }

.sd-panels {
    display: flex;
    gap: 12px;
    padding: 12px;
    flex: 1;
    overflow: hidden;
    align-items: flex-start;
}
.sd-panel {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    max-height: calc(100vh - 130px);
}
.sd-panel-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    padding: 0 2px;
}
.sd-panel-port { color: var(--text-muted); font-weight: 400; font-size: 12px; }

.sd-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.sd-meta    { font-size: 11px; color: var(--text-muted); flex: 1; }

.sd-scan-btn {
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 5px 14px;
    font-size: 12px;
    cursor: pointer;
    transition: opacity .15s;
}
.sd-scan-btn:hover    { opacity: .85; }
.sd-scan-btn:disabled { opacity: .45; cursor: not-allowed; }

.sd-cancel-btn {
    background: #2a1515;
    color: var(--red);
    border: 1px solid #4a2020;
    border-radius: 4px;
    padding: 5px 14px;
    font-size: 12px;
    cursor: pointer;
    transition: opacity .15s;
}
.sd-cancel-btn:hover    { opacity: .8; }
.sd-cancel-btn:disabled { opacity: .45; cursor: not-allowed; }

.sd-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.sd-section-ignored { opacity: .75; }

.sd-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-section);
    border-bottom: 1px solid var(--border);
}
.sd-count       { background: var(--border); color: var(--text-muted); border-radius: 10px; padding: 1px 7px; font-size: 11px; font-weight: 700; }
.sd-count-bad   { background: #3a1a1a; color: var(--red); }
.sd-count-ok    { background: #0d2b1a; color: var(--green); }

.sd-list  { display: flex; flex-direction: column; }
.sd-empty { padding: 12px; font-size: 12px; color: var(--green); }
.sd-error { padding: 12px; font-size: 12px; color: var(--red); }
.sd-loading { padding: 12px; font-size: 12px; color: var(--text-muted); }

.sd-row {
    display: flex;
    align-items: center;
    padding: 6px 12px;
    gap: 10px;
    border-bottom: 1px solid var(--border-lite);
}
.sd-row:last-child { border-bottom: none; }
.sd-row:hover { background: var(--bg-hover); }

.sd-flag       { width: 16px; height: 12px; margin-right: 5px; flex-shrink: 0; vertical-align: middle; border-radius: 1px; }
.sd-ip         { font-size: 12px; font-family: monospace; color: var(--red); flex: 1; }
.sd-ip-warn    { font-size: 12px; font-family: monospace; color: var(--orange); flex: 1; }
.sd-ip-ignored { color: var(--text-muted); }

.sd-toggle-ignored {
    margin-left: auto;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 11px;
    padding: 2px 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: border-color .15s, color .15s;
}
.sd-toggle-ignored:hover  { border-color: var(--blue); color: var(--text); }
.sd-toggle-ignored.active { border-color: var(--blue); color: var(--blue); background: #0d2040; }
.sd-toggle-ignored .sd-count { background: var(--border); }
.sd-toggle-ignored.active .sd-count { background: #0d2a4a; color: var(--blue); }

.sd-recheck-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-muted);
    font-size: 13px;
    width: 22px;
    height: 22px;
    padding: 0;
    cursor: pointer;
    line-height: 1;
    transition: color .15s, border-color .15s;
    flex-shrink: 0;
}
.sd-recheck-btn:hover    { color: var(--blue); border-color: var(--blue); }
.sd-recheck-btn:disabled { opacity: .4; cursor: not-allowed; }

.sd-recheck-all-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    padding: 1px 6px;
    margin-left: 4px;
    flex-shrink: 0;
}
.sd-recheck-all-btn:hover    { color: var(--blue); border-color: var(--blue); }
.sd-recheck-all-btn:disabled { opacity: .7; cursor: not-allowed; }

.sd-row-checking { background: #0d1f2f; }
.sd-recheck-checking {
    color: var(--blue) !important;
    border-color: var(--blue) !important;
    animation: spin 1s linear infinite;
}
/* @keyframes spin defined above */

.sd-ignore-btn, .sd-unignore-btn {
    border: none;
    border-radius: 3px;
    padding: 3px 10px;
    font-size: 11px;
    cursor: pointer;
    transition: opacity .15s;
    white-space: nowrap;
}
.sd-ignore-btn   { background: #2a1515; color: var(--red);        border: 1px solid #4a2020; }
.sd-unignore-btn { background: #1a2a15; color: var(--green);      border: 1px solid #204a20; }
.sd-ignore-btn:hover, .sd-unignore-btn:hover { opacity: .8; }

/* ── SSH FLOATING TERMINAL ─────────────────────────────────────── */
.ssh-open-label {
    cursor: pointer;
    color: var(--blue);
    text-decoration: underline dotted;
    user-select: none;
}
.ssh-open-label:hover { color: #7bc8ff; }

.ssh-win {
    position: fixed;
    bottom: 60px;
    right: 30px;
    width: 600px;
    height: 368px;
    min-width: 300px;
    min-height: 120px;
    background: #0e1117;
    border: 1px solid #2a3a4a;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    z-index: 9000;
    box-shadow: 0 8px 32px rgba(0,0,0,.7);
    resize: both;
    overflow: hidden;
}
.ssh-win-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 8px;
    background: #161d27;
    border-bottom: 1px solid #2a3a4a;
    cursor: move;
    user-select: none;
    flex-shrink: 0;
}
.ssh-win-title { font-size: 12px; color: var(--text-muted); flex: 1; font-family: monospace; }
.ssh-win-min, .ssh-win-close {
    background: none; border: none; cursor: pointer;
    color: var(--text-muted); font-size: 13px; padding: 0 4px; line-height: 1;
}
.ssh-win-min:hover   { color: var(--text); }
.ssh-win-close:hover { color: var(--red); }

.ssh-win-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}
.ssh-win-output {
    flex: 1;
    overflow-y: auto;
    padding: 8px 10px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-all;
    color: #c8d8e8;
}
.ssh-win-line { padding: 0; }
.ssh-win-cmd  { color: #7bc8ff; }
.ssh-win-err  { color: var(--red); }
.ssh-win-ok   { color: var(--green); }
.ssh-win-info { color: #888; }

.ssh-win-input-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border-top: 1px solid #1e2d3d;
    flex-shrink: 0;
}
.ssh-win-prompt {
    font-family: monospace;
    font-size: 11px;
    color: #4a9;
    white-space: nowrap;
    flex-shrink: 0;
}
.ssh-win-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #c8d8e8;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    caret-color: #7bc8ff;
}
.ssh-win-input:disabled { opacity: .5; }

/* ── HETZ PAGE ──────────────────────────────────────────────────── */
#hetz-wrap      { padding: 12px 16px; }
#hetz-topbar    { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
#hetz-grid      { display: flex; flex-wrap: wrap; gap: 10px; }
.hetz-empty     { color: var(--text-muted); font-size: 13px; padding: 20px; }

.hetz-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    width: calc(20% - 8px);
    min-width: 170px;
    box-sizing: border-box;
    font-size: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.hetz-card-head {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 2px;
}
.hetz-sid   { font-weight: 700; font-size: 13px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hetz-del   { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 14px; padding: 0 2px; flex-shrink: 0; }
.hetz-del:hover { color: var(--red); }

.hetz-card-date { font-size: 10px; color: var(--text-muted); }
.hetz-ago       { font-weight: 700; color: var(--text); }

.hetz-card-row  { display: flex; align-items: center; gap: 4px; }
.hetz-lbl       { color: var(--text-muted); flex-shrink: 0; width: 34px; }
.hetz-val       { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.hetz-val-sm    { font-size: 10px; }
.hetz-copy      { cursor: pointer; color: var(--blue); text-decoration: underline dotted; }
.hetz-copy:hover { color: #7bc8ff; }

.hetz-card-actions {
    display: flex;
    gap: 6px;
    margin-top: 4px;
    padding-top: 6px;
    border-top: 1px solid var(--border);
}
.hetz-action-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    padding: 2px 7px;
    flex: 1;
    text-align: center;
}
.hetz-action-btn:hover     { border-color: var(--blue); color: var(--text); }
.hetz-action-del:hover     { border-color: var(--red);  color: var(--red); }

/* ── MISC ───────────────────────────────────────────────────────── */
.flex-row-center { display: flex; align-items: center; gap: 6px; }
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-blue  { color: var(--blue); }
.mt-2 { margin-top: 6px; }