/* Kitchen Studio — plan + tools beside canvas */
.ks-app,
.ks-workspace {
    display: flex;
    flex-direction: column;
    min-height: min(82vh, 820px);
    height: 100%;
    background: #fff;
    font-family: 'Inter', system-ui, sans-serif;
}

.ks-top-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    background: #fafafa;
}

.ks-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
    flex: 0 0 auto;
}

.ks-mode-tabs {
    flex: 1 1 200px;
    min-width: 0;
}

.ks-mode-tabs .ks-toggle {
    font-size: 0.72rem;
    padding: 0.4rem 0.5rem;
    min-width: 3.5rem;
}

.ks-top-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    margin-left: auto;
}

.ks-context-hint {
    font-size: 0.8rem;
    color: #475569;
    line-height: 1.4;
    margin: 0;
    padding: 0.5rem 1rem;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    min-height: 2.25rem;
}

.ks-build-area {
    display: flex;
    flex: 1;
    min-height: 0;
    gap: 0;
}

.ks-canvas-wrap {
    flex: 1;
    min-width: 0;
    position: relative;
    background: #e8ecf1;
    border-right: 1px solid #e2e8f0;
    min-height: 420px;
}

.ks-scene {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    box-sizing: border-box;
}

.ks-svg {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: block;
}

.ks-units-layer {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.ks-units-layer .ks-unit {
    pointer-events: auto;
}

.ks-tools-rail {
    flex: 0 0 268px;
    width: 268px;
    display: flex;
    flex-direction: column;
    padding: 0.85rem 1rem;
    overflow-y: auto;
    background: #fff;
    max-height: 100%;
}

.ks-tools-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #64748b;
    margin: 0 0 0.65rem;
}

.ks-tool-panel .ks-label:first-of-type,
.ks-tool-panel > .ks-toggle-group:first-child {
    margin-top: 0;
}

.ks-hidden {
    display: none !important;
}

.ks-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #475569;
    margin: 0.65rem 0 0.35rem;
}

.ks-toggle-group {
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.ks-toggle {
    flex: 1;
    min-width: 3rem;
    padding: 0.4rem 0.45rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    color: #334155;
}

.ks-toggle.active {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

.ks-room-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
}

.ks-room-inputs input {
    width: 100%;
    padding: 0.4rem 0.5rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 0.85rem;
}

.ks-width-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.3rem;
}

.ks-width-btn {
    padding: 0.35rem 0;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
}

.ks-width-btn.active {
    background: #dbeafe;
    border-color: #2563eb;
    color: #1e40af;
}

.ks-btn-primary {
    width: 100%;
    margin-top: 0.65rem;
    padding: 0.55rem 0.85rem;
    border: none;
    border-radius: 8px;
    background: var(--color-primary-dark, #1e293b);
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
}

.ks-btn-secondary {
    width: 100%;
    margin-top: 0.4rem;
    padding: 0.45rem 0.65rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    color: #334155;
}

.ks-btn-accent {
    width: 100%;
    margin-top: auto;
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 8px;
    background: var(--color-accent, #d97706);
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    flex-shrink: 0;
}

.ks-btn-undo {
    padding: 0.4rem 0.7rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    color: #334155;
    cursor: pointer;
}

.ks-btn-undo:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.ks-total {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--color-accent, #d97706);
    white-space: nowrap;
}

.ks-select,
.ks-input-full {
    width: 100%;
    padding: 0.4rem 0.5rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 0.85rem;
    box-sizing: border-box;
}

.ks-footer-note {
    font-size: 0.7rem;
    color: #94a3b8;
    text-align: center;
    padding: 0.35rem 1rem 0.6rem;
    margin: 0;
    border-top: 1px solid #e2e8f0;
}

.ks-floor-poly { fill: #f1f5f9; stroke: none; }
.ks-wall-line { stroke: #475569; stroke-width: 10; stroke-linecap: square; cursor: pointer; }
.ks-wall-line.ks-wall-selected { stroke: #2563eb; stroke-width: 12; }
.ks-opening-hit { stroke: transparent; stroke-width: 22; cursor: grab; pointer-events: stroke; }
.ks-opening { stroke-width: 14; pointer-events: none; }
.ks-opening.ks-opening-selected { stroke-width: 18; filter: drop-shadow(0 0 4px rgba(37, 99, 235, 0.8)); }
.ks-opening-door { stroke: #fef3c7; }
.ks-opening-window { stroke: #7dd3fc; }
.ks-door-leaf { stroke: #b45309; stroke-width: 2.5; stroke-linecap: round; pointer-events: none; }
.ks-door-swing { stroke: #b45309; stroke-width: 2; stroke-dasharray: 7 5; stroke-linecap: round; pointer-events: none; }
.ks-mode-measure .ks-canvas-wrap {
    background-color: #f8fafc;
    background-image:
        linear-gradient(#e2e8f0 1px, transparent 1px),
        linear-gradient(90deg, #e2e8f0 1px, transparent 1px);
    background-size: 24px 24px;
}

.ks-grid-line {
    stroke: #cbd5e1;
    stroke-width: 0.5;
    pointer-events: none;
}

.ks-measure-preview {
    fill: none;
    stroke: #2563eb;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}

.ks-measure-ghost {
    stroke: #93c5fd;
    stroke-width: 2;
    stroke-dasharray: 8 6;
    pointer-events: none;
}

.ks-measure-point {
    fill: #2563eb;
    stroke: #fff;
    stroke-width: 2;
    pointer-events: none;
}

.ks-dim-label {
    font-size: 11px;
    font-weight: 700;
    fill: #1e40af;
    pointer-events: none;
}

.ks-segment-list {
    font-size: 0.75rem;
    color: #475569;
    line-height: 1.4;
    margin: 0 0 0.65rem;
    padding: 0.5rem 0.6rem;
    background: #f1f5f9;
    border-radius: 6px;
}

.ks-compass {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto auto auto;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
    max-width: 9rem;
}

.ks-compass-btn {
    padding: 0.5rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    color: #334155;
}

.ks-compass-btn.active {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

.ks-compass-btn[data-heading='0'] {
    grid-column: 3;
    grid-row: 2;
}

.ks-compass-btn[data-heading='90'] {
    grid-column: 2;
    grid-row: 3;
}

.ks-compass-btn[data-heading='180'] {
    grid-column: 1;
    grid-row: 2;
}

.ks-compass-btn[data-heading='270'] {
    grid-column: 2;
    grid-row: 1;
}
.ks-vertex { fill: #fff; stroke: #2563eb; stroke-width: 2; cursor: grab; }
.ks-vertex.ks-vertex-selected { fill: #2563eb; stroke: #1e40af; }
.ks-wall-line { cursor: grab; }
.ks-wall-label { font-size: 10px; font-weight: 700; fill: #94a3b8; text-anchor: middle; dominant-baseline: middle; pointer-events: none; user-select: none; letter-spacing: 0.02em; }
.ks-wall-label.ks-wall-label-sel { fill: #2563eb; }
.ks-mode-walls .ks-wall-label { fill: #475569; }
.ks-room-label { position: absolute; top: 4px; left: 8px; font-size: 10px; font-weight: 700; color: #64748b; pointer-events: none; z-index: 1; }

.ks-unit {
    position: absolute;
    box-sizing: border-box;
    background: linear-gradient(180deg, #fb923c 0%, #ea580c 100%);
    border: 2px solid #c2410c;
    border-radius: 4px;
    cursor: grab;
    user-select: none;
    touch-action: none;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2px;
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.ks-unit.selected { outline: 3px solid #2563eb; outline-offset: 1px; z-index: 10; }
.ks-rot-handle {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    background: rgba(0,0,0,0.45);
    border-radius: 4px;
    font-size: 13px;
    line-height: 18px;
    text-align: center;
    cursor: pointer;
    color: #fff;
    z-index: 20;
}
.ks-unit.kind-wall { background: linear-gradient(180deg, #fdba74 0%, #f97316 100%); }
.ks-unit.kind-larder { background: linear-gradient(180deg, #f97316 0%, #9a3412 100%); }

.ks-mode-walls .ks-units-layer,
.ks-mode-openings .ks-units-layer { opacity: 0.35; pointer-events: none; }
.ks-mode-walls .ks-svg,
.ks-mode-openings .ks-svg { cursor: crosshair; }

.ks-door-summary {
    font-size: 0.75rem;
    color: #64748b;
    line-height: 1.4;
    margin: 0 0 0.5rem;
}

.ks-door-slider-wrap {
    position: relative;
    margin-bottom: 0.5rem;
}

.ks-door-slider-track {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.25rem 1.5rem;
    scrollbar-width: none;
}

.ks-door-slider-track::-webkit-scrollbar { display: none; }

.ks-door-scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    border: 1px solid #cbd5e1;
    background: #fff;
    font-size: 0.9rem;
    cursor: pointer;
    z-index: 2;
    color: #475569;
}

#ks-door-prev { left: 0; }
#ks-door-next { right: 0; }

.ks-check-row {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: #334155;
    margin: 0.5rem 0;
    cursor: pointer;
}

.ks-doors-subtotal {
    font-size: 0.8rem;
    font-weight: 700;
    color: #b45309;
    margin: 0.25rem 0 0;
}

.ks-cabinet-doors .door-style-card.selected-card .door-card-inner,
.ks-tool-panel .door-style-card.selected-card .door-card-inner {
    border-color: var(--color-accent, #d97706) !important;
    box-shadow: 0 0 0 1px var(--color-accent, #d97706);
    background-color: #fff9ed !important;
}

@media (max-width: 900px) {
    .ks-build-area {
        flex-direction: column;
    }
    .ks-canvas-wrap {
        min-height: 360px;
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
    }
    .ks-tools-rail {
        width: 100%;
        flex: 0 0 auto;
        max-height: 42vh;
    }
}