/* =============================================
Lego Ladder — Component Styles
Element plates, buttons, toolbars, forms
============================================= */
/* ─── Buttons ─── */
.btn {
padding: 6px 14px;
border: 1px solid var(--border-color);
border-radius: 4px;
background: var(--bg-panel);
color: var(--text-primary);
font-family: inherit;
font-size: 12px;
font-weight: 500;
cursor: pointer;
transition: all 0.15s ease;
display: inline-flex;
align-items: center;
gap: 6px;
white-space: nowrap;
}
.btn:hover {
background: var(--bg-primary);
border-color: var(--accent);
color: var(--accent);
}
.btn:active {
background: var(--accent);
color: #ffffff;
border-color: var(--accent);
}
.btn-sm {
padding: 4px 8px;
font-size: 11px;
}
.btn-primary {
background: var(--accent);
color: #ffffff;
border-color: var(--accent);
}
.btn-primary:hover {
background: var(--accent-hover);
border-color: var(--accent-hover);
color: #ffffff;
}
.btn-danger {
background: var(--danger);
color: #ffffff;
border-color: var(--danger);
}
.btn-danger:hover {
background: #a93226;
border-color: #a93226;
}
.btn-success {
background: var(--success);
color: #ffffff;
border-color: var(--success);
}
.btn-success:hover {
background: #157a33;
border-color: #157a33;
}
.btn-close {
background: none;
border: none;
font-size: 18px;
line-height: 1;
color: var(--text-muted);
cursor: pointer;
padding: 2px 6px;
border-radius: 3px;
transition: all 0.15s ease;
}
.btn-close:hover {
background: var(--bg-primary);
color: var(--danger);
}
/* ─── Tool Palette Items ─── */
.toolbar {
display: flex;
flex-direction: column;
gap: 8px;
}
.toolbar h3 {
font-size: 10px;
text-transform: uppercase;
color: var(--text-muted);
font-weight: 700;
letter-spacing: 0.06em;
margin: 0 0 4px 0;
padding: 0;
}
.tool-group {
display: flex;
flex-direction: column;
gap: 2px;
}
.tool-item {
padding: 6px 10px;
margin-bottom: 0;
border-radius: 4px;
font-size: 12px;
font-weight: 500;
cursor: grab;
background: var(--bg-primary);
border: 1px solid var(--border-color);
transition: all 0.15s ease;
user-select: none;
color: var(--text-primary);
display: flex;
align-items: center;
gap: 8px;
}
.tool-item:hover {
border-color: var(--accent);
background: #ddeeff;
color: var(--accent);
box-shadow: var(--shadow-sm);
}
.tool-item:active {
cursor: grabbing;
}
.tool-item .tool-icon {
display: flex;
align-items: center;
justify-content: center;
width: 20px;
height: 16px;
flex-shrink: 0;
color: var(--text-primary);
}
.tool-item:hover .tool-icon {
color: var(--accent);
}
.tool-label {
font-size: 11px;
line-height: 1.2;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
/* ─── Config Forms ─── */
.config-form {
display: flex;
flex-direction: column;
}
.config-group {
background: var(--bg-panel);
border-radius: 4px;
margin-bottom: 12px;
overflow: hidden;
border: 1px solid var(--border-color);
}
.config-group-header {
background: var(--bg-secondary);
padding: 6px 12px;
font-size: 10px;
text-transform: uppercase;
font-weight: 700;
color: var(--text-secondary);
letter-spacing: 0.06em;
border-bottom: 1px solid var(--border-color);
}
.config-group-content {
padding: 12px;
display: flex;
flex-direction: column;
gap: 12px;
}
.config-field {
display: flex;
flex-direction: column;
gap: 4px;
}
.config-field label {
font-size: 11px;
text-transform: uppercase;
color: var(--text-secondary);
font-weight: 600;
letter-spacing: 0.03em;
}
.config-field input,
.config-field select {
background: var(--bg-panel);
border: 1px solid var(--border-color);
color: var(--text-primary);
padding: 6px 8px;
border-radius: 4px;
font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
font-size: 12px;
transition: border-color 0.15s ease;
}
.config-field input:focus,
.config-field select:focus {
outline: none;
border-color: var(--accent);
box-shadow: 0 0 0 2px rgba(36, 113, 163, 0.18);
}
/* ─── Program Manager Dropdown ─── */
.program-manager {
position: relative;
display: inline-block;
}
.program-list-dropdown {
position: absolute;
top: calc(100% + 8px);
right: 0;
width: 280px;
background: var(--bg-panel);
border: 1px solid var(--border-color);
border-radius: 6px;
box-shadow: var(--shadow-lg);
z-index: 1000;
display: flex;
flex-direction: column;
max-height: 400px;
overflow: hidden;
}
.list-header {
padding: 10px 14px;
border-bottom: 1px solid var(--border-color);
display: flex;
justify-content: space-between;
align-items: center;
}
.list-title {
font-size: 11px;
font-weight: 700;
text-transform: uppercase;
color: var(--text-secondary);
letter-spacing: 0.04em;
}
.list-items {
overflow-y: auto;
flex: 1;
max-height: 300px;
}
.list-item {
padding: 8px 14px;
display: flex;
justify-content: space-between;
align-items: center;
cursor: pointer;
font-size: 13px;
border-bottom: 1px solid var(--border-color);
transition: background 0.15s ease;
}
.list-item:hover {
background: var(--bg-primary);
}
.list-item:last-child {
border-bottom: none;
}
.item-name {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
margin-right: 8px;
color: var(--text-primary);
}
.item-name.active {
color: var(--accent);
font-weight: 600;
}
.item-actions {
display: flex;
gap: 4px;
}
.btn-icon {
background: none;
border: none;
cursor: pointer;
font-size: 13px;
padding: 3px;
border-radius: 3px;
opacity: 0.5;
transition: all 0.15s ease;
}
.btn-icon:hover {
opacity: 1;
background: var(--bg-primary);
}
.list-footer {
padding: 8px 12px;
border-top: 1px solid var(--border-color);
display: flex;
justify-content: flex-end;
gap: 8px;
background: var(--bg-primary);
}
.empty-list {
padding: 20px;
text-align: center;
color: var(--text-muted);
font-size: 12px;
}
/* ─── Dialog ─── */
.rename-dialog {
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 320px;
background: var(--bg-panel);
border: 1px solid var(--border-color);
border-radius: 8px;
padding: 24px;
z-index: 2000;
display: flex;
flex-direction: column;
gap: 16px;
box-shadow: var(--shadow-lg);
}
.rename-dialog h4 {
font-size: 15px;
margin-bottom: 4px;
color: var(--text-primary);
}
.rename-dialog input {
background: var(--bg-primary);
border: 1px solid var(--border-color);
color: var(--text-primary);
padding: 8px 12px;
border-radius: 4px;
font-family: inherit;
font-size: 13px;
}
.rename-dialog input:focus {
outline: none;
border-color: var(--accent);
box-shadow: 0 0 0 2px rgba(36, 113, 163, 0.18);
}
.dialog-actions {
display: flex;
justify-content: flex-end;
gap: 8px;
}
/* ─── Element Plates (SVG) ─── */
.element-plate {
transition: opacity 0.12s ease;
}
.element-plate:hover .element-bg {
stroke: var(--accent);
stroke-width: 1.5;
fill: #f0f7ff;
}
.element-plate.selected .element-bg {
stroke: var(--accent);
stroke-width: 2.5;
fill: #e0f0ff;
}
.element-plate.active .element-bg {
stroke: var(--success);
stroke-width: 2;
fill: #e6f9ee;
}
.element-bg {
fill: var(--bg-panel);
stroke: var(--border-strong);
stroke-width: 1;
filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.10));
transition: all 0.15s ease;
}
.element-plate.active .element-bg {
filter: drop-shadow(0 0 8px var(--success-glow));
animation: pulse-green 1.8s ease-in-out infinite;
}
.element-symbol {
fill: var(--text-primary);
pointer-events: none;
}
.element-plate.active .element-symbol {
fill: var(--success);
}
.element-label {
fill: var(--text-secondary);
font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
font-size: 9px;
pointer-events: none;
}
.element-label-above {
fill: var(--text-primary);
font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
font-size: 9px;
pointer-events: none;
font-weight: 600;
}
.element-plate.active .element-label,
.element-plate.active .element-label-above {
fill: var(--success);
font-weight: 700;
}
/* ─── Ladder SVG Styles ─── */
/* Power rails — prominent dark steel bars */
.ladder-rail {
stroke: var(--rail-color);
stroke-width: 6;
stroke-linecap: butt;
}
/* Active rail highlight (when sim is running) */
.ladder-rail.active {
stroke: var(--success);
filter: drop-shadow(0 0 4px var(--success-glow));
}
/* Main rung wires */
.ladder-wire {
stroke: var(--wire-inactive);
stroke-width: 2;
stroke-linecap: round;
stroke-linejoin: round;
}
.ladder-wire.active {
stroke: var(--wire-active);
stroke-width: 2.5;
filter: drop-shadow(0 0 3px var(--success-glow));
}
/* Rung background stripe — alternating subtle bands */
.rung-bg {
opacity: 1;
}
/* Rung number badge */
.ladder-rung-number-bg {
fill: var(--rung-number-bg);
}
.ladder-rung-number {
fill: var(--rung-number-color);
font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
font-size: 10px;
font-weight: 700;
letter-spacing: 0.02em;
}
/* Branch bus bars */
.branch-bus {
stroke-linecap: round;
}
/* Dot connectors at wire junctions */
.wire-dot {
fill: var(--wire-inactive);
}
.wire-dot.active {
fill: var(--wire-active);
filter: drop-shadow(0 0 2px var(--success-glow));
}
/* ─── No Program Placeholder ─── */
.no-program {
display: flex;
align-items: center;
justify-content: center;
width: 100%;
height: 100%;
color: var(--text-muted);
font-size: 14px;
}