/* ============================================
   FLOOR PLAN DRAWING - CANVAS STYLES
   ============================================ */

.plan-section {
    margin-top: var(--spacing-xl);
}

.plan-container {
    background: rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(138, 43, 226, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.2);
    transition: all 0.3s ease;
}

.plan-container:hover {
    border-color: rgba(138, 43, 226, 0.6);
    box-shadow: 0 0 30px rgba(138, 43, 226, 0.4);
}

.plan-toggle-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.2), rgba(186, 85, 211, 0.2));
    border: 2px solid rgba(138, 43, 226, 0.5);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.plan-toggle-btn:hover {
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.4), rgba(186, 85, 211, 0.4));
    border-color: rgba(138, 43, 226, 0.8);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.4);
    transform: translateY(-2px);
}

.plan-drawing-area {
    margin-top: var(--spacing-lg);
    display: none;
}

.plan-drawing-area.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Canvas container */
.canvas-wrapper {
    background: #1a1a1a;
    border: 2px solid rgba(138, 43, 226, 0.4);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

#planCanvas {
    display: block;
    margin: 0 auto;
    background: #ffffff;
    border-radius: var(--radius-sm);
    cursor: crosshair;
    max-width: 100%;
    height: auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Tool palette */
.tool-palette {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(138, 43, 226, 0.3);
}

.tool-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tool-btn {
    min-width: 50px;
    height: 50px;
    padding: var(--spacing-sm);
    background: rgba(138, 43, 226, 0.1);
    border: 2px solid rgba(138, 43, 226, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.tool-btn:hover {
    background: rgba(138, 43, 226, 0.2);
    border-color: rgba(138, 43, 226, 0.6);
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.3);
    transform: translateY(-2px);
}

.tool-btn.active {
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.5), rgba(186, 85, 211, 0.5));
    border-color: rgba(138, 43, 226, 1);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.6);
}

.tool-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: var(--color-text);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.tool-btn:hover::after {
    opacity: 1;
}

/* Color and size controls */
.control-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
}

.control-label {
    font-size: 0.9rem;
    color: var(--color-gray);
    font-weight: 600;
}

#colorPicker {
    width: 60px;
    height: 40px;
    border: 2px solid rgba(138, 43, 226, 0.5);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: transparent;
}

#colorPicker:hover {
    border-color: rgba(138, 43, 226, 0.8);
    box-shadow: 0 0 10px rgba(138, 43, 226, 0.4);
}

#lineWidth {
    width: 120px;
    height: 8px;
    background: rgba(138, 43, 226, 0.2);
    border-radius: 4px;
    outline: none;
    transition: all 0.3s ease;
}

#lineWidth::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #8a2be2, #ba55d3);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(138, 43, 226, 0.5);
}

#lineWidth::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #8a2be2, #ba55d3);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(138, 43, 226, 0.5);
    border: none;
}

#lineWidthValue {
    min-width: 30px;
    text-align: center;
    color: var(--color-amber);
    font-weight: 600;
}

/* Scale and Floor Selectors */
.scale-select,
.floor-select {
    padding: 8px 12px;
    background: rgba(138, 43, 226, 0.1);
    border: 2px solid rgba(138, 43, 226, 0.4);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.scale-select:hover,
.floor-select:hover {
    background: rgba(138, 43, 226, 0.2);
    border-color: rgba(138, 43, 226, 0.7);
    box-shadow: 0 0 10px rgba(138, 43, 226, 0.3);
}

.scale-select:focus,
.floor-select:focus {
    border-color: rgba(138, 43, 226, 1);
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.5);
}

.scale-select option,
.floor-select option {
    background: #1a1a1a;
    color: var(--color-text);
}

/* Action buttons */
.plan-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
}

.plan-action-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(138, 43, 226, 0.4);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.plan-action-btn:hover {
    background: rgba(138, 43, 226, 0.2);
    border-color: rgba(138, 43, 226, 0.6);
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.3);
    transform: translateY(-2px);
}

.plan-action-btn.danger:hover {
    background: rgba(220, 53, 69, 0.2);
    border-color: rgba(220, 53, 69, 0.6);
    box-shadow: 0 0 15px rgba(220, 53, 69, 0.3);
}

.plan-action-btn.success:hover {
    background: rgba(40, 167, 69, 0.2);
    border-color: rgba(40, 167, 69, 0.6);
    box-shadow: 0 0 15px rgba(40, 167, 69, 0.3);
}

/* Grid toggle */
.grid-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
}

.grid-toggle input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .tool-palette {
        justify-content: center;
    }

    .tool-btn {
        min-width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    .control-group {
        flex-direction: column;
        align-items: flex-start;
    }

    #planCanvas {
        max-width: 100%;
        height: auto;
    }

    .plan-actions {
        flex-direction: column;
    }

    .plan-action-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Saved plan indicator */
.plan-saved-indicator {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid rgba(40, 167, 69, 0.5);
    border-radius: var(--radius-sm);
    color: var(--color-green);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

.plan-saved-indicator.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}