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

:root {
    --bg: #0f1117;
    --surface: #1a1d27;
    --surface2: #22263a;
    --border: #2e3350;
    --accent: #2EB67D;
    --accent2: #6ee7b7;
    --danger: #f87171;
    --text: #e2e8f0;
    --text-muted: #8892b0;
    --cable: #4f80ff;
    --cable-sel: #f59e0b;
    --canvas-dot: #2e3350;
    --hint-bg: rgba(26, 29, 39, 0.9);
    --on-accent2: #0f1117;
    --accent-muted: rgba(79, 128, 255, 0.08);
    --cable-pending: #4f80ff88;
    /* Device node theming */
    --icon-pc: #60a5fa;
    --icon-switch: #a78bfa;
    --icon-router: #34d399;
    --icon-bg-pc: #1d2d44;
    --icon-bg-switch: #22203a;
    --icon-bg-router: #1a2e28;
    --icon-border-pc: #3d6eaa;
    --icon-border-switch: #6b52b0;
    --icon-border-router: #2d8a60;
    --icon-server: #fb923c;
    --icon-bg-server: #2e1e10;
    --icon-border-server: #a0521a;
    --label-bg: #0f1117;
    --node-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
    --node-shadow-hover: 0 4px 18px rgba(0, 0, 0, 0.7);
    --radius: 6px;
    --font: "Segoe UI", system-ui, sans-serif;
    --mono: "Cascadia Code", "Fira Code", "Consolas", monospace;
}

[data-theme="light"] {
    --bg: #f0f2f8;
    --surface: #ffffff;
    --surface2: #eaecf4;
    --border: #c8cfdf;
    --accent: #2EB67D;
    --accent2: #059669;
    --danger: #dc2626;
    --text: #1a1e36;
    --text-muted: #5c6788;
    --cable: #2563eb;
    --cable-sel: #d97706;
    --canvas-dot: #c4cbdc;
    --hint-bg: rgba(255, 255, 255, 0.95);
    --on-accent2: #ffffff;
    --accent-muted: rgba(37, 99, 235, 0.08);
    --cable-pending: #2563eb66;
    /* Device node theming (light) */
    --icon-pc: #1d6fd8;
    --icon-switch: #6d28d9;
    --icon-router: #047857;
    --icon-bg-pc: #deeafb;
    --icon-bg-switch: #e8e2fb;
    --icon-bg-router: #d9f0ea;
    --icon-border-pc: #6b9fd4;
    --icon-border-switch: #8b69cc;
    --icon-border-router: #4a9e7e;
    --icon-server: #ea580c;
    --icon-bg-server: #fff1e8;
    --icon-border-server: #f0a070;
    --label-bg: #ffffff;
    --node-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.06);
    --node-shadow-hover: 0 4px 14px rgba(0, 0, 0, 0.16);
}

html,
body {
    height: 100%;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

#toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    height: 52px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 10;
}

.toolbar-brand {
    font-weight: 700;
    font-size: 15px;
    color: var(--accent);
    margin-right: 8px;
    white-space: nowrap;
}

.toolbar-tools {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.toolbar-sep {
    width: 1px;
    height: 28px;
    background: var(--border);
    margin: 0 4px;
}

.tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 4px 10px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 10px;
    line-height: 1;
    transition: all 0.15s;
    min-width: 48px;
}

.tool-btn svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tool-btn:hover {
    background: var(--surface2);
    color: var(--text);
}

.tool-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.tool-btn[data-tool="delete"].active {
    background: var(--danger);
    border-color: var(--danger);
}

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

#btn-theme {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    flex-shrink: 0;
}

#btn-theme:hover {
    background: var(--surface2);
    color: var(--text);
}

#btn-theme svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

:root .icon-moon { display: none; }
:root .icon-sun  { display: block; }
[data-theme="light"] .icon-moon { display: block; }
[data-theme="light"] .icon-sun  { display: none; }

.action-btn {
    padding: 6px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: opacity 0.15s;
}

.action-btn:hover {
    opacity: 0.85;
}

.action-btn.secondary {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border);
}

.action-btn.secondary:hover {
    color: var(--text);
    border-color: var(--text-muted);
}

.dropdown {
    position: relative;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropdown-trigger svg {
    flex-shrink: 0;
    transition: transform 0.15s;
}

.dropdown.open .dropdown-trigger svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    list-style: none;
    min-width: 200px;
    z-index: 200;
    padding: 4px 0;
    overflow: hidden;
}

.dropdown.open .dropdown-menu {
    display: block;
}

.dropdown-item {
    padding: 8px 14px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text);
    transition: background 0.1s;
    white-space: nowrap;
}

.dropdown-item:hover {
    background: var(--surface2);
}

.dropdown-item.active {
    color: var(--accent);
}

.dropdown-item--tutorial {
    color: var(--accent);
    font-weight: 600;
}

.dropdown-item[data-action="save"] {
    color: var(--accent2);
}

.dropdown-sep {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

#workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.panel {
    width: 300px;
    flex-shrink: 0;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#inspector-panel {
    border-right: none;
    border-left: 1px solid var(--border);
}

#inspector-panel.hidden {
    display: none;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    flex-shrink: 0;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 11px;
}

#device-palette {
    flex-shrink: 0;
    padding: 10px 12px 12px;
    border-bottom: 1px solid var(--border);
}

.palette-section-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.palette-items {
    display: flex;
    gap: 6px;
}

.palette-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 8px 4px 7px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface2);
    cursor: grab;
    user-select: none;
    transition: border-color 0.15s, background 0.15s;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
}

.palette-item:hover {
    border-color: var(--accent);
    color: var(--text);
}

.palette-item:active {
    cursor: grabbing;
}

.palette-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.palette-icon svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.palette-item[data-type="pc"] .palette-icon {
    background: var(--icon-bg-pc);
    border: 1px solid var(--icon-border-pc);
}
.palette-item[data-type="pc"] .palette-icon svg { stroke: var(--icon-pc); }

.palette-item[data-type="switch"] .palette-icon {
    background: var(--icon-bg-switch);
    border: 1px solid var(--icon-border-switch);
}
.palette-item[data-type="switch"] .palette-icon svg { stroke: var(--icon-switch); }

.palette-item[data-type="router"] .palette-icon {
    background: var(--icon-bg-router);
    border: 1px solid var(--icon-border-router);
}
.palette-item[data-type="router"] .palette-icon svg { stroke: var(--icon-router); }

.palette-item[data-type="server"] .palette-icon {
    background: var(--icon-bg-server);
    border: 1px solid var(--icon-border-server);
}
.palette-item[data-type="server"] .palette-icon svg { stroke: var(--icon-server); }

.drag-ghost {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.88;
    border-color: var(--accent) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

#canvas-wrap.drag-over {
    box-shadow: inset 0 0 0 2px var(--accent);
}

#step-content {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
}

.step-placeholder {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.6;
}

.scenario-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}

.scenario-desc {
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.step-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 10px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 8px;
    transition: border-color 0.2s;
}

.step-item.active {
    border-color: var(--accent);
    background: var(--accent-muted);
}

.step-item.done {
    border-color: var(--accent2);
    opacity: 0.6;
}

.step-item.locked {
    opacity: 0.4;
}

.step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
    background: var(--surface2);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.step-item.active .step-num {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.step-item.done .step-num {
    background: var(--accent2);
    color: var(--on-accent2);
    border-color: var(--accent2);
}

.step-body {
    flex: 1;
}

.step-title {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 2px;
}

.step-desc {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.4;
}

.step-next-btn {
    margin-top: 6px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.15s;
}

.step-next-btn:hover {
    opacity: 0.8;
}

#canvas-wrap {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg);
    background-image: radial-gradient(circle, var(--canvas-dot) 1px, transparent 1px);
    background-size: 28px 28px;
    cursor: grab;
}

#canvas-wrap.panning {
    cursor: grabbing;
}

.canvas-reset-btn {
    position: absolute;
    bottom: 20px;
    left: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    padding: 0;
    box-shadow: var(--node-shadow);
    transition: transform 0.12s, box-shadow 0.12s, color 0.12s;
}

.canvas-reset-btn:hover {
    color: var(--accent);
    transform: scale(1.08);
    box-shadow: var(--node-shadow-hover);
}

.canvas-reset-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}


#cable-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible;
}

#cable-layer .cable {
    stroke: var(--cable);
    stroke-width: 2.5;
    fill: none;
    pointer-events: stroke;
    cursor: pointer;
    transition: stroke 0.15s;
}

#cable-layer .cable:hover,
#cable-layer .cable.selected {
    stroke: var(--cable-sel);
    stroke-width: 3;
}

#cable-layer .cable-pending {
    stroke: var(--cable-pending);
    stroke-width: 2;
    stroke-dasharray: 6 4;
    fill: none;
}

.device-delete-btn {
    position: absolute;
    transform: translate(-50%, -50%);
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--danger);
    border: 2px solid var(--bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
    transition: transform 0.12s, box-shadow 0.12s;
}

.device-delete-btn:hover {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.55);
}

.device-delete-btn svg {
    width: 13px;
    height: 13px;
    fill: none;
    stroke: #fff;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.device-delete-btn.hidden {
    display: none;
}

.device-terminal-btn {
    position: absolute;
    transform: translate(-50%, -50%);
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #0d1117;
    border: 2px solid var(--bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
    transition: transform 0.12s, box-shadow 0.12s;
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    color: #4ade80;
    line-height: 1;
}

.device-terminal-btn:hover {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.55);
}

.device-terminal-btn.hidden {
    display: none;
}

.port-orb {
    fill: var(--accent);
    stroke: var(--bg);
    stroke-width: 2.5;
    pointer-events: all;
    cursor: crosshair;
    opacity: 0.85;
    transition: opacity 0.15s, r 0.15s;
}

.port-orb:hover {
    opacity: 1;
    r: 8;
}

.port-orb.orb-active {
    fill: var(--accent2);
    stroke: var(--accent);
    stroke-width: 2.5;
    opacity: 1;
    r: 8;
}

#device-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.device-node {
    pointer-events: auto;
}

#canvas-hint {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--hint-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 18px;
    font-size: 12px;
    color: var(--text-muted);
    pointer-events: none;
    transition: opacity 0.3s;
}

#canvas-hint.hidden {
    opacity: 0;
}

.device-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    user-select: none;
    transform: translate(-50%, -50%);
    transition: filter 0.15s;
}

.device-node:hover .device-icon {
    box-shadow: var(--node-shadow-hover);
    filter: brightness(1.08);
}

.device-node.selected .device-icon {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.device-node.cable-target .device-icon {
    outline: 2px solid var(--accent2);
    outline-offset: 3px;
}

.device-icon {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--surface2);
    border: 1.5px solid var(--border);
    box-shadow: var(--node-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: box-shadow 0.15s, filter 0.15s;
}

.device-icon svg {
    width: 32px;
    height: 32px;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.device-node[data-type="pc"] .device-icon {
    background: var(--icon-bg-pc);
    border-color: var(--icon-border-pc);
}

.device-node[data-type="switch"] .device-icon {
    background: var(--icon-bg-switch);
    border-color: var(--icon-border-switch);
}

.device-node[data-type="router"] .device-icon {
    background: var(--icon-bg-router);
    border-color: var(--icon-border-router);
}

.device-node[data-type="pc"] .device-icon svg {
    stroke: var(--icon-pc);
}

.device-node[data-type="switch"] .device-icon svg {
    stroke: var(--icon-switch);
}

.device-node[data-type="router"] .device-icon svg {
    stroke: var(--icon-router);
}

.device-node[data-type="server"] .device-icon {
    background: var(--icon-bg-server);
    border-color: var(--icon-border-server);
}

.device-node[data-type="server"] .device-icon svg {
    stroke: var(--icon-server);
}

.device-lock {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #f59e0b;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--surface2);
    pointer-events: none;
}

.device-lock.hidden {
    display: none;
}

.device-lock svg {
    width: 10px;
    height: 10px;
    fill: none;
    stroke: #fff;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.device-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text);
    background: var(--label-bg);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--border);
    white-space: nowrap;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.device-status-dot {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent2);
}

#inspector-content {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.inspector-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.inspector-section-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}

.field-row {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.field-row label {
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.field-info {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    font-size: 8px;
    font-style: italic;
    font-family: Georgia, serif;
    font-weight: 700;
    cursor: default;
    position: relative;
    flex-shrink: 0;
    user-select: none;
    transition: border-color 0.15s, color 0.15s;
}

.field-info:hover {
    border-color: var(--accent2);
    color: var(--accent2);
}

#field-tooltip {
    position: fixed;
    width: 220px;
    padding: 7px 9px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 11px;
    font-family: var(--font);
    font-weight: 400;
    line-height: 1.5;
    white-space: normal;
    pointer-events: none;
    z-index: 99998;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.15s;
}

.field-row input,
.field-row select {
    width: 100%;
    padding: 6px 8px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 12px;
    font-family: var(--mono);
    outline: none;
    transition: border-color 0.15s;
}

.field-row input:focus,
.field-row select:focus {
    border-color: var(--accent);
}

.field-row input:read-only {
    opacity: 0.5;
    cursor: default;
}

.field-row select option {
    background: var(--surface2);
}

.iface-block {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.iface-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
}

.btn-inspector {
    width: 100%;
    padding: 7px;
    border-radius: var(--radius);
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-inspector:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.btn-inspector.danger:hover {
    background: var(--danger);
    border-color: var(--danger);
}

#terminal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

#terminal-overlay.hidden {
    display: none;
}

#terminal-window {
    width: 680px;
    max-width: calc(100% - 32px);
    height: 420px;
    max-height: calc(100% - 32px);
    background: #0d1117;
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
    overflow: hidden;
}

#terminal-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    background: #161b22;
    border-bottom: 1px solid #30363d;
    font-size: 12px;
    font-weight: 600;
    color: #8892b0;
}

#terminal-close {
    background: none;
    border: none;
    color: #8892b0;
    cursor: pointer;
    font-size: 14px;
    padding: 2px 6px;
    border-radius: 4px;
}

#terminal-close:hover {
    background: #f87171;
    color: #fff;
}

#terminal-output {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.6;
    color: #ffffff;
    white-space: pre-wrap;
    word-break: break-word;
}

#terminal-output .t-success {
    color: #6ee7b7;
}

#terminal-output .t-warn {
    color: #fbbf24;
}

#terminal-output .t-error {
    color: #f87171;
}

#terminal-output .t-info {
    color: #60a5fa;
}

#terminal-output .t-cmd {
    color: #f9e2af;
}

#terminal-output .t-dim {
    color: #8892b0;
}

#terminal-inputrow {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-top: 1px solid #30363d;
    background: #0d1117;
}

#terminal-prompt {
    font-family: var(--mono);
    font-size: 13px;
    color: #60a5fa;
    white-space: nowrap;
}

#terminal-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    font-family: var(--mono);
    font-size: 13px;
    color: #ffffff;
    caret-color: #60a5fa;
}

#mactable-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

#mactable-overlay.hidden {
    display: none;
}

#mactable-window {
    width: 520px;
    max-width: 90vw;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
    overflow: hidden;
}

#mactable-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    font-weight: 600;
}

#mactable-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 2px 6px;
    border-radius: 4px;
}

#mactable-close:hover {
    background: var(--danger);
    color: #fff;
}

#mactable-content {
    padding: 16px;
    max-height: 400px;
    overflow-y: auto;
}

.mac-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--mono);
    font-size: 12px;
}

.mac-table th {
    text-align: left;
    padding: 6px 10px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
}

.mac-table td {
    padding: 6px 10px;
    border-bottom: 1px solid rgba(46, 51, 80, 0.4);
}

.mac-table tr:last-child td {
    border-bottom: none;
}

.mac-table tr:hover td {
    background: var(--surface2);
}

.hidden {
    display: none !important;
}

#mascot {
    position: absolute;
    bottom: 20px;
    right: 24px;
    display: flex;
    align-items: flex-end;
    gap: 10px;
    z-index: 10;
    cursor: pointer;
    user-select: none;
}

#mascot-svg {
    width: 88px;
    height: auto;
    flex-shrink: 0;
    display: block;
    filter: drop-shadow(0 3px 10px rgba(0, 0, 0, 0.3));
    animation: nexy-float 4s ease-in-out infinite;
    transition: filter 0.15s;
}

#mascot:hover #mascot-svg {
    filter: drop-shadow(0 5px 16px rgba(0, 0, 0, 0.45)) brightness(1.08);
}

@keyframes nexy-float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-6px); }
}

.nexy-eye-l,
.nexy-eye-r {
    transform-box: fill-box;
    transform-origin: center center;
    animation: nexy-blink 5s ease-in-out infinite;
}

.nexy-eye-r {
    animation-delay: 0.05s;
}

@keyframes nexy-blink {
    0%, 80%, 100% { transform: scaleY(1); }
    87%           { transform: scaleY(0.07); }
    94%           { transform: scaleY(1); }
}

.nexy-pupil {
    transform-box: fill-box;
    transform-origin: center center;
    animation: nexy-look 5s ease-in-out infinite;
}

.nexy-eye-r .nexy-pupil {
    animation-delay: 0.08s;
}

@keyframes nexy-look {
    0%    { transform: translateX(0); }
    12%   { transform: translateX(-12px); }
    28%   { transform: translateX(-12px); }
    40%   { transform: translateX(-6px); }
    55%   { transform: translateX(-6px); }
    70%   { transform: translateX(0); }
    100%  { transform: translateX(0); }
}

.nexy-smile {
    transform-box: fill-box;
    transform-origin: center center;
    animation: nexy-smile-pulse 4s ease-in-out infinite;
}

@keyframes nexy-smile-pulse {
    0%, 100% { transform: scale(1); }
    50%       { transform: scale(1.05); }
}

#mascot-bubble {
    position: relative;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 10px 14px;
    max-width: 220px;
    min-width: 120px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    margin-bottom: 14px;
    animation: bubble-pop 0.18s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
    transform-origin: bottom right;
}

@keyframes bubble-pop {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
}

#mascot-bubble::after {
    content: '';
    position: absolute;
    right: -6px;
    bottom: 18px;
    width: 10px;
    height: 10px;
    background: var(--surface);
    border-top: 1.5px solid var(--border);
    border-right: 1.5px solid var(--border);
    transform: rotate(45deg);
    border-radius: 0 2px 0 0;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.iface-tab-bar {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.iface-tab {
    padding: 4px 10px;
    font-size: 11px;
    font-family: var(--mono);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface2);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.iface-tab:hover {
    color: var(--text);
    border-color: var(--text-muted);
}

.iface-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.iface-tab-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dhcp-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
    background: rgba(110, 231, 183, 0.15);
    color: var(--accent2);
    border: 1px solid rgba(110, 231, 183, 0.3);
    margin-left: 4px;
}

#demo-cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 99999;
    opacity: 0;
    transition: opacity 0.25s ease;
    will-change: transform;
    line-height: 0;
    user-select: none;
}