/* Proportion ruler page styles. Theme tokens only; the measurement overlay (line, handles,
   label) is drawn on the canvas by the controller with fixed UI colors, not via CSS. */

.proportion-ruler .tool-title {
    margin-bottom: 0.25rem;
}

.proportion-ruler .tool-intro {
    color: var(--muted);
    margin-bottom: 1.5rem;
}

/* --- Controls: drop zone ----------------------------------------------- */

.pr-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.pr-drop {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 7rem;
    padding: 1.25rem;
    border: 2px dashed var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--muted);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.pr-drop:hover,
.pr-drop:focus-within,
.pr-drop.is-dragging {
    border-color: var(--accent);
    background: var(--accent-weak);
}

.pr-file {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.pr-drop-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    pointer-events: none;
}

.pr-drop-text strong {
    color: var(--text);
    font-size: 1.05rem;
}

/* --- Stage: toolbar + readout + canvas --------------------------------- */

.pr-stage {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pr-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.pr-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* --- Readout panel ----------------------------------------------------- */

.pr-readout {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
}

.pr-readout__row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.pr-readout__label {
    font-size: 0.85rem;
    color: var(--muted);
}

.pr-readout__value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text);
}

/* --- Canvas ------------------------------------------------------------ */

.pr-canvas-wrap {
    display: block;
}

.pr-canvas {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    border: 1px solid var(--border);
    touch-action: none;
    cursor: crosshair;
}