/* ================================================================
   Network Toolkit — Dashboard UI
   All colors use platform CSS variables exclusively.
   Prefix: nt-
   ================================================================ */

/* ── Hero Section ─────────────────────────────────────────────── */
.nt-app { display: flex; flex-direction: column; gap: 0; padding-bottom: 40px; }

.nt-hero {
    padding: 36px 0 24px;
    text-align: center;
}
.nt-hero-title {
    font-size: 30px;
    font-weight: 800;
    color: var(--color-text);
    margin: 0 0 8px;
    letter-spacing: -.4px;
    line-height: 1.2;
}
.nt-hero-sub {
    font-size: 14px;
    color: var(--color-text-muted);
    margin: 0 auto 22px;
    max-width: 580px;
    line-height: 1.65;
}
.nt-analyze-form {
    display: flex;
    gap: 8px;
    max-width: 700px;
    margin: 0 auto 14px;
}
.nt-analyze-input-wrap {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}
.nt-analyze-icon {
    position: absolute;
    left: 13px;
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
    pointer-events: none;
    flex-shrink: 0;
}
#nt-q {
    width: 100%;
    padding: 12px 116px 12px 42px;
    font-size: 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
    color: var(--color-text);
    outline: none;
    font-family: var(--font-sans);
    transition: border-color .15s, box-shadow .15s;
    box-sizing: border-box;
}
#nt-q:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}
#nt-q::placeholder { color: var(--color-text-subtle); }
.nt-type-badge {
    position: absolute;
    right: 10px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .05em;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    text-transform: uppercase;
    white-space: nowrap;
    pointer-events: none;
}
.nt-analyze-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 22px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-medium);
    background: var(--color-primary);
    color: var(--color-primary-text);
    cursor: pointer;
    white-space: nowrap;
    transition: background .15s;
    font-family: var(--font-sans);
    height: 46px;
    flex-shrink: 0;
}
.nt-analyze-btn:hover { background: var(--color-primary-hover); }
.nt-analyze-btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.nt-analyze-btn.loading { opacity: .7; cursor: default; }

.nt-popular-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 18px;
    font-size: 12.5px;
}
.nt-popular-label { color: var(--color-text-muted); font-weight: 500; margin-right: 2px; }
.nt-popular-link {
    border: none;
    background: none;
    color: var(--color-primary);
    font-size: 12.5px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--radius-small);
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-color: transparent;
    transition: text-decoration-color .12s, background .12s;
    font-family: var(--font-sans);
}
.nt-popular-link:hover {
    text-decoration-color: var(--color-primary);
    background: var(--color-primary-light);
}
.nt-hero-cats {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
}
.nt-cat-chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface);
    font-size: 12.5px;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    white-space: nowrap;
    transition: all .15s;
    font-family: var(--font-sans);
}
.nt-cat-chip:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}
.nt-cat-chip.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-primary-text);
}

/* ── Analysis Dashboard ───────────────────────────────────────── */
.nt-dashboard {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    overflow: hidden;
    background: var(--color-surface);
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
}
.nt-dash-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 10px;
}
.nt-dash-query {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    flex-wrap: wrap;
}
.nt-dash-query-label { font-size: 11px; color: var(--color-text-muted); font-weight: 500; }
.nt-dash-query-val {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
}
.nt-dash-type-chip {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.nt-dash-actions { display: flex; align-items: center; gap: 6px; }
.nt-clear-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all .12s;
    font-family: var(--font-sans);
}
.nt-clear-btn:hover { border-color: var(--color-danger); color: var(--color-danger); background: var(--color-danger-light); }

.nt-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all .12s;
    font-family: var(--font-sans);
}
.nt-share-btn svg { width: 13px; height: 13px; flex-shrink: 0; }
.nt-share-btn:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }

/* Export button + dropdown */
.nt-export-wrap { position: relative; }
.nt-export-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all .12s;
    font-family: var(--font-sans);
}
.nt-export-btn svg:first-child { width: 13px; height: 13px; flex-shrink: 0; }
.nt-export-chevron { width: 11px; height: 11px; flex-shrink: 0; transition: transform .15s; }
.nt-export-wrap.open .nt-export-chevron { transform: rotate(180deg); }
.nt-export-btn:hover,
.nt-export-wrap.open .nt-export-btn { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }

.nt-export-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 160px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 6px 20px rgba(0,0,0,.1);
    z-index: 200;
    overflow: hidden;
    flex-direction: column;
}
.nt-export-menu.open { display: flex; }
.nt-export-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background .1s;
    font-family: var(--font-sans);
}
.nt-export-item svg { width: 14px; height: 14px; flex-shrink: 0; color: var(--color-text-muted); }
.nt-export-item small { font-size: 11px; color: var(--color-text-muted); font-weight: 400; margin-left: auto; }
.nt-export-item:hover { background: var(--color-primary-light); color: var(--color-primary); }
.nt-export-item:hover svg { color: var(--color-primary); }
.nt-export-item + .nt-export-item { border-top: 1px solid var(--color-border); }

/* Tab navigation */
.nt-tab-nav {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    position: sticky;
    top: 56px;
    z-index: 40;
}
.nt-tab-nav::-webkit-scrollbar { display: none; }
.nt-tab {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 11px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: color .12s, border-color .12s;
    font-family: var(--font-sans);
    flex-shrink: 0;
    margin-bottom: -1px;
}
.nt-tab:hover { color: var(--color-text); }
.nt-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}
.nt-tab-pane { display: none; padding: 16px; }
.nt-tab-pane.active { display: block; }

/* Overview metric cards */
.nt-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}
.nt-metric-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-border);
    border-radius: var(--radius-medium);
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}
.nt-metric-card.ok   { border-left-color: var(--color-success); }
.nt-metric-card.warn { border-left-color: var(--color-warning); }
.nt-metric-card.err  { border-left-color: var(--color-danger); }
.nt-metric-card.info { border-left-color: var(--color-primary); }
.nt-metric-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}
.nt-metric-value {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
    word-break: break-word;
}
.nt-metric-sub { font-size: 11px; color: var(--color-text-muted); }

/* Result modules */
.nt-modules { display: flex; flex-direction: column; }
.nt-module { border-bottom: 1px solid var(--color-border); }
.nt-module:last-child { border-bottom: none; }
.nt-module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    cursor: pointer;
    user-select: none;
    background: var(--color-surface);
    transition: background .12s;
    gap: 10px;
}
.nt-module-header:hover { background: var(--color-surface-alt); }
.nt-module-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.nt-module-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-small);
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.nt-module-icon svg { width: 15px; height: 15px; }
.nt-module-title { font-size: 13px; font-weight: 600; color: var(--color-text); line-height: 1.3; }
.nt-module-status { font-size: 11.5px; color: var(--color-text-muted); margin-top: 1px; }
.nt-module-header-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nt-module-chevron {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    transition: transform .2s;
    flex-shrink: 0;
}
.nt-module.collapsed .nt-module-chevron { transform: rotate(-90deg); }
.nt-module-body { padding: 0 18px 16px; background: var(--color-surface); }
.nt-module.collapsed .nt-module-body { display: none; }
.nt-module-loading {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 0;
    color: var(--color-text-muted);
    font-size: 12.5px;
}
.nt-module-err {
    padding: 12px 0;
    color: var(--color-danger);
    font-size: 12.5px;
    line-height: 1.5;
}

/* ── Tool Explorer ────────────────────────────────────────────── */
.nt-explorer { margin-bottom: 24px; }
.nt-explorer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
}
.nt-explorer-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -.2px;
}
.nt-explorer-count {
    font-size: 12px;
    color: var(--color-text-muted);
    background: var(--color-surface-alt);
    padding: 3px 10px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    font-weight: 500;
}
.nt-explorer-cats { display: flex; flex-direction: column; gap: 28px; }

.nt-explorer-cat-section {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}
.nt-explorer-cat-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
    position: relative;
}
.nt-explorer-cat-head::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--nt-cat-color, var(--color-primary));
    border-radius: 0;
}
.nt-explorer-cat-icon-wrap {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 12%, transparent);
    color: var(--nt-cat-color, var(--color-primary));
}
.nt-explorer-cat-icon-wrap svg { width: 16px; height: 16px; }
.nt-explorer-cat-meta { min-width: 0; flex: 1; }
.nt-explorer-cat-name {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}
.nt-explorer-cat-desc {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nt-explorer-cat-count {
    font-size: 11px;
    color: var(--nt-cat-color, var(--color-primary));
    background: color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 10%, transparent);
    padding: 3px 10px;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 25%, transparent);
    font-weight: 600;
    flex-shrink: 0;
}
.nt-explorer-tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    padding: 10px;
    gap: 8px;
}
.nt-explorer-tool-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 13px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-background);
    cursor: pointer;
    text-align: left;
    transition: border-color .12s, background .12s, box-shadow .15s, transform .1s;
    width: 100%;
    font-family: var(--font-sans);
    position: relative;
    overflow: hidden;
}
.nt-explorer-tool-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: var(--nt-cat-color, var(--color-primary));
    opacity: 0;
    transition: opacity .15s;
}
.nt-explorer-tool-card:hover {
    border-color: var(--nt-cat-color, var(--color-primary));
    background: color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 5%, var(--color-background));
    box-shadow: 0 2px 8px color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 15%, transparent);
    transform: translateY(-1px);
}
.nt-explorer-tool-card:hover::after { opacity: 1; }
.nt-explorer-tool-card.active {
    border-color: var(--nt-cat-color, var(--color-primary));
    background: color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 8%, var(--color-background));
}
.nt-explorer-tool-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: var(--radius-small);
    background: color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 12%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nt-cat-color, var(--color-primary));
    margin-top: 1px;
}
.nt-explorer-tool-icon svg { width: 14px; height: 14px; }
.nt-explorer-tool-info { min-width: 0; flex: 1; }
.nt-explorer-tool-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}
.nt-explorer-tool-hint {
    font-size: 10.5px;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    margin-top: 2px;
}
.nt-explorer-tool-arrow {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    color: var(--color-text-subtle);
    opacity: 0;
    transition: opacity .12s;
}
.nt-explorer-tool-card:hover .nt-explorer-tool-arrow { opacity: 1; }

/* ── Workspace ──────────────────────────────────────────────────── */
.nt-workspace {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    overflow: hidden;
    margin-bottom: 24px;
    background: var(--color-background);
    box-shadow: var(--shadow-sm);
}
.nt-workspace-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    gap: 10px;
    flex-wrap: wrap;
}
.nt-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    font-size: 12.5px;
    flex-wrap: wrap;
}
.nt-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 12px;
    cursor: pointer;
    transition: all .12s;
    flex-shrink: 0;
    font-family: var(--font-sans);
}
.nt-back-btn svg { width: 14px; height: 14px; }
.nt-back-btn:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }
.nt-bc-sep { color: var(--color-text-muted); flex-shrink: 0; }
.nt-bc-cat { color: var(--color-text-muted); font-weight: 500; white-space: nowrap; }
.nt-bc-tool { color: var(--color-text); font-weight: 600; white-space: nowrap; }
.nt-workspace-body { display: flex; flex-direction: column; min-height: 200px; }

/* ── Panel ──────────────────────────────────────────────────────── */
.nt-panel { display: none; flex-direction: column; }
.nt-panel.active { display: flex; }

/* ── Toolbar ───────────────────────────────────────────────────── */
.nt-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    flex-shrink: 0;
    flex-wrap: wrap;
}
.nt-toolbar-left { display: flex; align-items: center; gap: 8px; min-width: 0; }
.nt-toolbar-right { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.nt-tool-title { font-size: 14px; font-weight: 700; color: var(--color-text); white-space: nowrap; }
.nt-hint { font-size: 12px; color: var(--color-text-muted); }

/* ── Buttons ───────────────────────────────────────────────────── */
.nt-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 13px;
    font-size: 12.5px;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: background .12s, border-color .12s, color .12s;
    white-space: nowrap;
    line-height: 1.4;
    font-family: var(--font-sans);
}
.nt-btn svg { width: 13px; height: 13px; flex-shrink: 0; }
.nt-btn:hover { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary); }
.nt-btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-text); }
.nt-btn-primary:hover { background: var(--color-primary-hover); color: var(--color-primary-text); border-color: var(--color-primary-hover); opacity: 1; }
.nt-btn-sm { padding: 4px 9px; font-size: 11.5px; }
.nt-copy-btn {
    display: inline-flex; align-items: center; gap: 3px;
    padding: 2px 7px; font-size: 10.5px; font-weight: 500;
    border: 1px solid var(--color-border); border-radius: 4px;
    background: var(--color-background); color: var(--color-text-muted);
    cursor: pointer; transition: all .12s; white-space: nowrap; line-height: 1.4;
    font-family: var(--font-sans);
}
.nt-copy-btn svg { width: 10px; height: 10px; }
.nt-copy-btn:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }
.nt-copy-btn.copied { border-color: var(--color-success); color: var(--color-success); background: var(--color-success-light); }

/* ── Body ───────────────────────────────────────────────────────── */
.nt-body { display: flex; flex-direction: column; padding: 16px; gap: 14px; }
.nt-field-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}
.nt-lookup-row { display: flex; gap: 8px; align-items: stretch; }
.nt-lookup-row input {
    flex: 1;
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-background);
    color: var(--color-text);
    outline: none;
    min-width: 0;
}
.nt-lookup-row input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary-light); }
.nt-inline-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.nt-inline-row input, .nt-inline-row select {
    padding: 7px 10px;
    font-size: 13px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-background);
    color: var(--color-text);
    outline: none;
    font-family: var(--font-mono);
}
.nt-inline-row input:focus, .nt-inline-row select:focus { border-color: var(--color-primary); }

/* ── Output box ─────────────────────────────────────────────────── */
.nt-output-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    overflow: hidden;
}
.nt-output-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 6px 12px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-alt);
    font-size: 10.5px; font-weight: 700; letter-spacing: .06em;
    text-transform: uppercase; color: var(--color-text-muted);
}
.nt-output-val {
    padding: 10px 12px;
    font-family: var(--font-mono);
    font-size: 13px; color: var(--color-text);
    word-break: break-all; line-height: 1.65; min-height: 38px;
}
.nt-output-val.placeholder { color: var(--color-text-muted); font-style: italic; font-size: 12px; }

/* ── Textarea ──────────────────────────────────────────────────── */
.nt-ta {
    flex: 1; width: 100%; resize: vertical;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 12.5px; line-height: 1.65;
    box-sizing: border-box; outline: none; min-height: 100px;
}
.nt-ta:focus { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary-light); }
.nt-ta[readonly] { color: var(--color-text); background: var(--color-surface); }

/* ── Result area ────────────────────────────────────────────────── */
.nt-result { min-height: 60px; }
.nt-loading {
    display: flex; align-items: center; gap: 10px;
    padding: 20px 16px; color: var(--color-text-muted); font-size: 13px;
}
.nt-spinner {
    width: 18px; height: 18px; border-radius: 50%;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    animation: nt-spin .7s linear infinite; flex-shrink: 0;
}
@keyframes nt-spin { to { transform: rotate(360deg); } }
.nt-error {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 14px 16px; color: var(--color-danger);
    background: var(--color-danger-light);
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-small);
    font-size: 13px; line-height: 1.5; margin: 0 16px 16px;
    opacity: .9;
}
.nt-error svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 1px; }

/* ── KV result table ─────────────────────────────────────────────── */
.nt-kv {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    overflow: hidden;
}
.nt-kv-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 7px 12px; background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
    font-size: 10.5px; font-weight: 700; letter-spacing: .06em;
    text-transform: uppercase; color: var(--color-text-muted);
}
.nt-kv table { width: 100%; border-collapse: collapse; }
.nt-kv tr { border-bottom: 1px solid var(--color-border); }
.nt-kv tr:last-child { border-bottom: none; }
.nt-kv td { padding: 7px 12px; vertical-align: top; font-size: 13px; }
.nt-kv td:first-child {
    width: 160px; font-size: 10.5px; font-weight: 700; letter-spacing: .05em;
    text-transform: uppercase; color: var(--color-text-muted);
    white-space: nowrap; background: var(--color-surface-alt);
}
.nt-kv td:last-child { font-family: var(--font-mono); color: var(--color-text); word-break: break-all; }

/* ── DNS record list ─────────────────────────────────────────────── */
.nt-record-list { display: flex; flex-direction: column; gap: 6px; }
.nt-record-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 12.5px; color: var(--color-text);
    word-break: break-all; line-height: 1.55;
}
.nt-record-type {
    display: inline-block; padding: 1px 6px; border-radius: 3px;
    font-size: 10px; font-weight: 700; letter-spacing: .05em;
    background: var(--color-primary-light); color: var(--color-primary);
    margin-right: 6px; vertical-align: middle;
}

/* ── Status badges ───────────────────────────────────────────────── */
.nt-badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 8px; border-radius: 999px;
    font-size: 11px; font-weight: 600; white-space: nowrap; line-height: 1;
}
.nt-badge-ok    { background: var(--color-success-light); color: var(--color-success); }
.nt-badge-error { background: var(--color-danger-light);  color: var(--color-danger); }
.nt-badge-warn  { background: var(--color-warning-light); color: var(--color-warning); }
.nt-badge-info  { background: var(--color-primary-light); color: var(--color-primary); }
.nt-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

/* ── Redirect chain ──────────────────────────────────────────────── */
.nt-chain { display: flex; flex-direction: column; gap: 4px; }
.nt-chain-step {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 8px 12px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    font-size: 12.5px;
}
.nt-chain-step-code {
    font-size: 12px; font-weight: 700; padding: 2px 7px; border-radius: 4px;
    flex-shrink: 0; font-family: var(--font-mono);
}
.nt-chain-step-code.c2xx { background: var(--color-success-light); color: var(--color-success); }
.nt-chain-step-code.c3xx { background: var(--color-warning-light); color: var(--color-warning); }
.nt-chain-step-code.c4xx { background: var(--color-danger-light);  color: var(--color-danger); }
.nt-chain-step-code.c5xx { background: var(--color-danger-light);  color: var(--color-danger); }
.nt-chain-step-code.c0xx { background: var(--color-surface-alt);   color: var(--color-text-muted); }
.nt-chain-step-url { font-family: var(--font-mono); word-break: break-all; flex: 1; color: var(--color-text); }
.nt-chain-arrow { padding: 2px 0 2px 18px; font-size: 11px; color: var(--color-text-muted); font-family: var(--font-mono); }

/* ── Ports grid ──────────────────────────────────────────────────── */
.nt-ports-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px; }
.nt-port-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    padding: 7px 10px;
    display: flex; align-items: center; gap: 8px; font-size: 12.5px;
}
.nt-port-num { font-family: var(--font-mono); font-weight: 700; font-size: 13px; color: var(--color-primary); min-width: 40px; }
.nt-port-name { font-weight: 500; color: var(--color-text); }
.nt-port-proto { font-size: 10.5px; color: var(--color-text-muted); }

/* ── Status code ref ─────────────────────────────────────────────── */
.nt-status-grid { display: flex; flex-direction: column; gap: 12px; }
.nt-status-group-title {
    font-size: 11px; font-weight: 700; letter-spacing: .06em;
    text-transform: uppercase; color: var(--color-text-muted);
    padding: 4px 0 2px; border-bottom: 1px solid var(--color-border);
}
.nt-status-table { width: 100%; border-collapse: collapse; }
.nt-status-table tr { border-bottom: 1px solid var(--color-border); }
.nt-status-table tr:last-child { border-bottom: none; }
.nt-status-table td { padding: 6px 10px; font-size: 12.5px; }
.nt-status-table td:first-child { width: 50px; font-weight: 700; font-family: var(--font-mono); color: var(--color-primary); }
.nt-status-table td:nth-child(2) { font-weight: 600; color: var(--color-text); }
.nt-status-table td:last-child { color: var(--color-text-muted); font-size: 12px; }

/* ── MIME lookup table ───────────────────────────────────────────── */
.nt-mime-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.nt-mime-table thead th {
    text-align: left; padding: 6px 10px;
    font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
    color: var(--color-text-muted); background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
}
.nt-mime-table tbody tr { border-bottom: 1px solid var(--color-border); }
.nt-mime-table tbody tr:last-child { border-bottom: none; }
.nt-mime-table td { padding: 6px 10px; vertical-align: top; }
.nt-mime-table td:first-child { font-family: var(--font-mono); color: var(--color-primary); white-space: nowrap; }
.nt-mime-table td:nth-child(2) { color: var(--color-text); }
.nt-mime-table td:last-child { color: var(--color-text-muted); font-size: 11.5px; }

/* ── Security header checks ──────────────────────────────────────── */
.nt-sec-header-list { display: flex; flex-direction: column; gap: 6px; }
.nt-sec-header-item {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 9px 12px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
}
.nt-sec-icon { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.nt-sec-header-name { font-size: 13px; font-weight: 600; color: var(--color-text); }
.nt-sec-header-val { font-family: var(--font-mono); font-size: 11.5px; color: var(--color-text-muted); margin-top: 2px; word-break: break-all; }

/* ── RDAP / WHOIS display ────────────────────────────────────────── */
.nt-whois-section { border: 1px solid var(--color-border); border-radius: var(--radius-small); overflow: hidden; background: var(--color-surface); }
.nt-whois-section-head {
    padding: 6px 12px; background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
    font-size: 10.5px; font-weight: 700; letter-spacing: .06em;
    text-transform: uppercase; color: var(--color-text-muted);
}

/* ── URL query builder rows ──────────────────────────────────────── */
.nt-qb-row { display: flex; gap: 6px; align-items: center; }
.nt-qb-row input {
    flex: 1; padding: 6px 9px; font-size: 12.5px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-background); color: var(--color-text);
    outline: none; font-family: var(--font-mono);
}
.nt-qb-row input:focus { border-color: var(--color-primary); }
.nt-qb-remove {
    width: 24px; height: 24px; border-radius: 4px; border: 1px solid var(--color-border);
    background: var(--color-surface); color: var(--color-text-muted);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: 14px; flex-shrink: 0;
}
.nt-qb-remove:hover { border-color: var(--color-danger); color: var(--color-danger); }

/* ── SSL cert display ────────────────────────────────────────────── */
.nt-cert-expiry-bar { height: 8px; border-radius: 999px; background: var(--color-border); overflow: hidden; }
.nt-cert-expiry-fill { height: 100%; border-radius: 999px; transition: width .4s; }

/* ── UA parser result ────────────────────────────────────────────── */
.nt-ua-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.nt-ua-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-small); padding: 10px 12px; }
.nt-ua-card-label { font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 4px; }
.nt-ua-card-val { font-size: 13.5px; font-weight: 600; color: var(--color-text); }

/* ── IP type badge ───────────────────────────────────────────────── */
.nt-ip-type-result {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-small); padding: 14px 16px;
    display: flex; flex-direction: column; gap: 8px;
}
.nt-ip-type-main { font-size: 20px; font-weight: 700; color: var(--color-text); font-family: var(--font-mono); }
.nt-ip-type-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.nt-ip-tag { padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 600; border: 1px solid; }
.nt-ip-tag-priv   { background: var(--color-primary-light); color: var(--color-primary); border-color: var(--color-primary); }
.nt-ip-tag-pub    { background: var(--color-success-light); color: var(--color-success); border-color: var(--color-success); }
.nt-ip-tag-rsv    { background: var(--color-warning-light); color: var(--color-warning); border-color: var(--color-warning); }
.nt-ip-tag-loop   { background: var(--color-info-light);    color: var(--color-info);    border-color: var(--color-info); }
.nt-ip-tag-class  { background: var(--color-surface-alt);   color: var(--color-text-muted); border-color: var(--color-border); }

/* ── CIDR / Subnet result grid ───────────────────────────────────── */
.nt-subnet-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.nt-subnet-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-small); padding: 10px 12px; }
.nt-subnet-card-label { font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 4px; }
.nt-subnet-card-val { font-family: var(--font-mono); font-size: 14px; font-weight: 600; color: var(--color-text); word-break: break-all; }

/* ── Empty state ─────────────────────────────────────────────────── */
.nt-empty {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: 8px;
    padding: 40px 20px; color: var(--color-text-muted);
    font-size: 13px; text-align: center;
}
.nt-empty svg { width: 32px; height: 32px; opacity: .35; }

/* ── Pre / code block ────────────────────────────────────────────── */
.nt-pre {
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 12px; line-height: 1.65; white-space: pre-wrap;
    word-break: break-all; color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    overflow: auto; max-height: 360px;
}

/* ── Section header ──────────────────────────────────────────────── */
.nt-section-head {
    font-size: 11px; font-weight: 700; letter-spacing: .07em;
    text-transform: uppercase; color: var(--color-text-muted);
    padding-bottom: 6px; border-bottom: 1px solid var(--color-border);
}

/* ── IP Map embed ────────────────────────────────────────────────── */
.nt-map-wrap {
    border-radius: var(--radius-small);
    overflow: hidden;
    border: 1px solid var(--color-border);
    margin-top: 12px;
    position: relative;
}
.nt-map-wrap iframe {
    display: block;
    width: 100%;
    height: 240px;
    border: none;
}
.nt-map-caption {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    background: var(--color-surface-alt);
    border-top: 1px solid var(--color-border);
    font-size: 11.5px;
    color: var(--color-text-muted);
}
.nt-map-caption svg { width: 13px; height: 13px; flex-shrink: 0; }

/* ── IP classification tags ──────────────────────────────────────── */
.nt-ip-flags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 10px 0 4px;
}
.nt-ip-flag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 600;
    border: 1px solid;
}
.nt-ip-flag svg { width: 11px; height: 11px; }
.nt-ip-flag-ok  { background: color-mix(in srgb, var(--color-success) 10%, transparent); color: var(--color-success); border-color: color-mix(in srgb, var(--color-success) 30%, transparent); }
.nt-ip-flag-warn{ background: color-mix(in srgb, var(--color-warning) 10%, transparent); color: var(--color-warning); border-color: color-mix(in srgb, var(--color-warning) 30%, transparent); }
.nt-ip-flag-err { background: color-mix(in srgb, var(--color-danger) 10%, transparent);  color: var(--color-danger);  border-color: color-mix(in srgb, var(--color-danger) 30%, transparent); }
.nt-ip-flag-info{ background: color-mix(in srgb, var(--color-info) 10%, transparent);    color: var(--color-info);    border-color: color-mix(in srgb, var(--color-info) 30%, transparent); }

/* ── Security score ring ─────────────────────────────────────────── */
.nt-score-wrap {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px 18px;
    background: var(--color-surface-alt);
    border-radius: var(--radius-small);
    border: 1px solid var(--color-border);
    margin-bottom: 14px;
}
.nt-score-ring-svg { width: 64px; height: 64px; flex-shrink: 0; }
.nt-score-number { font-size: 20px; font-weight: 800; fill: var(--color-text); }
.nt-score-label-svg { font-size: 7px; fill: var(--color-text-muted); }
.nt-score-meta { flex: 1; min-width: 0; }
.nt-score-headline { font-size: 15px; font-weight: 700; color: var(--color-text); }
.nt-score-sub { font-size: 12px; color: var(--color-text-muted); margin-top: 3px; }

/* ── CDN / Tech badge grid ───────────────────────────────────────── */
.nt-tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 8px;
}
.nt-tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: var(--radius-small);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text);
}
.nt-tech-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ── Robots / Sitemap content display ───────────────────────────── */
.nt-robots-pre {
    font-family: var(--font-mono);
    font-size: 11.5px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--color-text);
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    padding: 12px 14px;
    max-height: 280px;
    overflow-y: auto;
    margin-top: 8px;
}

/* ── Page meta display ───────────────────────────────────────────── */
.nt-og-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    overflow: hidden;
    background: var(--color-surface);
    margin-top: 10px;
}
.nt-og-card-head {
    padding: 8px 12px;
    background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--color-text-muted);
}
.nt-og-card-body { padding: 12px; }
.nt-og-title { font-size: 14px; font-weight: 700; color: var(--color-text); margin-bottom: 4px; }
.nt-og-desc { font-size: 12.5px; color: var(--color-text-muted); line-height: 1.5; }

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1200px) {
    .nt-explorer-tool-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
    .nt-explorer-tool-grid { grid-template-columns: repeat(2, 1fr); }
    .nt-ua-grid { grid-template-columns: 1fr; }
    .nt-overview-grid { grid-template-columns: repeat(2, 1fr); }
    .nt-analyze-form { flex-direction: column; }
    .nt-analyze-btn { height: 44px; justify-content: center; }
    #nt-q { padding-right: 80px; }
}
@media (max-width: 600px) {
    .nt-hero-title { font-size: 22px; }
    .nt-hero { padding: 24px 0 16px; }
    .nt-explorer-tool-grid { grid-template-columns: 1fr 1fr; }
    .nt-subnet-grid { grid-template-columns: 1fr 1fr; }
    .nt-ports-grid { grid-template-columns: 1fr; }
    .nt-btn { padding: 5px 10px; font-size: 12px; }
    .nt-overview-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 400px) {
    .nt-explorer-tool-grid { grid-template-columns: 1fr; }
    .nt-overview-grid { grid-template-columns: 1fr; }
}

/* ── History accordion (under Popular bar) ─────────────────────── */
.nt-hist-bar {
    max-width: 700px;
    margin: 0 auto 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    animation: nt-fade-in .2s ease;
}
.nt-hist-bar-toggle {
    display: flex;
    align-items: center;
    gap: 7px;
    width: 100%;
    padding: 8px 13px;
    border: none;
    background: none;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-align: left;
    transition: background .12s, color .12s;
}
.nt-hist-bar-toggle:hover { background: var(--color-primary-light); color: var(--color-primary); }
.nt-hist-icon { width: 13px; height: 13px; flex-shrink: 0; }
.nt-hist-bar-count {
    font-size: 9.5px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.nt-hist-chevron {
    width: 13px; height: 13px;
    margin-left: auto;
    transition: transform .22s;
    flex-shrink: 0;
}
.nt-hist-bar.open .nt-hist-chevron { transform: rotate(180deg); }
.nt-hist-bar-body {
    border-top: 1px solid var(--color-border);
    padding: 8px 11px 10px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    animation: nt-fade-in .18s ease;
}
.nt-hist-bar-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    flex: 1;
    min-width: 0;
}
.nt-history-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 9px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-background);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 11.5px;
    font-weight: 500;
    color: var(--color-text);
    transition: border-color .12s, background .12s, color .12s;
    white-space: nowrap;
}
.nt-history-chip:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}
.nt-hist-chip-type {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: 1px 5px;
    border-radius: 999px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    flex-shrink: 0;
}
.nt-history-chip:hover .nt-hist-chip-type { background: color-mix(in srgb, var(--color-primary) 18%, transparent); }
.nt-hist-chip-q {
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 600;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nt-hist-bar-clear {
    flex-shrink: 0;
    align-self: center;
    border: none;
    background: none;
    font-size: 10.5px;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-small);
    font-family: var(--font-sans);
    transition: color .12s, background .12s;
    white-space: nowrap;
}
.nt-hist-bar-clear:hover { color: var(--color-danger); background: var(--color-danger-light); }

/* ── Accordion sections ─────────────────────────────────────────── */
.nt-accordion-toggle {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    font-size: 11.5px;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all .15s;
    font-family: var(--font-sans);
}
.nt-accordion-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }
.nt-accordion-toggle svg { width: 13px; height: 13px; transition: transform .2s; flex-shrink: 0; }
.nt-accordion-toggle.collapsed svg { transform: rotate(-90deg); }
.nt-dashboard.nt-collapsed .nt-tab-nav,
.nt-dashboard.nt-collapsed #nt-dash-panes { display: none; }
.nt-explorer.nt-collapsed .nt-explorer-cats { display: none; }

/* ── Animations ─────────────────────────────────────────────────── */
@keyframes nt-fade-in {
    from { opacity: 0; transform: translateY(5px); }
    to   { opacity: 1; transform: translateY(0); }
}
.nt-dashboard { animation: nt-fade-in .25s ease; }
.nt-module { animation: nt-fade-in .2s ease; }
.nt-metric-card { animation: nt-fade-in .22s ease; }
.nt-tab-pane.active { animation: nt-fade-in .2s ease; }
.nt-explorer-cat-section { animation: nt-fade-in .25s ease; }

/* ── Related tools ─────────────────────────────────────────────── */
.nt-related {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    overflow: hidden;
    background: var(--color-surface);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    animation: nt-fade-in .2s ease;
}
.nt-related-head {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: 8px 14px;
    background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
}
.nt-related-grid { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 14px; }
.nt-related-card {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 11px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-background);
    color: var(--color-text);
    cursor: pointer;
    transition: border-color .15s, background .15s, transform .15s, box-shadow .2s;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
}
.nt-related-card:hover {
    border-color: var(--nt-cat-color, var(--color-primary));
    background: color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 8%, var(--color-background));
    transform: translateY(-1px);
    box-shadow: 0 2px 6px color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 15%, transparent);
}
.nt-related-card-icon {
    width: 26px; height: 26px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-small);
    background: color-mix(in srgb, var(--nt-cat-color, var(--color-primary)) 12%, transparent);
    color: var(--nt-cat-color, var(--color-primary));
    flex-shrink: 0;
}
.nt-related-card-icon svg { width: 13px; height: 13px; }
.nt-related-card-name { font-size: 12px; font-weight: 600; color: var(--color-text); white-space: nowrap; }

@media (max-width: 960px) {
    .nt-main-layout { flex-direction: column; }
    .nt-history-sidebar { width: 100%; position: static; }
    .nt-hsidebar-list { max-height: 130px; flex-direction: row; overflow-x: auto; overflow-y: hidden; }
    .nt-history-entry { flex-direction: row; align-items: center; gap: 8px; border-bottom: none; border-right: 1px solid var(--color-border); min-width: 130px; padding: 8px 12px; }
    .nt-history-entry:last-child { border-right: none; }
    .nt-history-entry-q { max-width: 110px; }
}