/**
 * MFM Raumplaner CSS v1.3.0.0
 * 
 * @changelog
 * v1.3.0.0 - 2025-12-23 - Kombinationen, Smart-Placement, DIN-Vorgaben
 */

:root {
    --mfm-primary: #1a5f7a;
    --mfm-primary-dark: #134a5f;
    --mfm-secondary: #f59e0b;
    --mfm-success: #10b981;
    --mfm-danger: #ef4444;
    --mfm-gray-50: #f9fafb;
    --mfm-gray-100: #f3f4f6;
    --mfm-gray-200: #e5e7eb;
    --mfm-gray-300: #d1d5db;
    --mfm-gray-500: #6b7280;
    --mfm-gray-700: #374151;
    --mfm-gray-900: #111827;
    --mfm-radius: 8px;
    --mfm-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Container */
.mfm-raumplaner {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--mfm-gray-100);
    border-radius: var(--mfm-radius);
    overflow: hidden;
}

/* Toolbar */
.mfm-rp-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-bottom: 1px solid var(--mfm-gray-200);
    flex-wrap: wrap;
    gap: 10px;
}

.mfm-rp-toolbar-left,
.mfm-rp-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.mfm-rp-separator {
    width: 1px;
    height: 24px;
    background: var(--mfm-gray-300);
    margin: 0 4px;
}

/* Buttons */
.mfm-rp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 6px;
    background: white;
    color: var(--mfm-gray-700);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
}

.mfm-rp-btn:hover {
    background: var(--mfm-gray-50);
    border-color: var(--mfm-gray-400);
}

.mfm-rp-btn-primary {
    background: var(--mfm-primary);
    border-color: var(--mfm-primary);
    color: white;
}

.mfm-rp-btn-primary:hover {
    background: var(--mfm-primary-dark);
}

.mfm-rp-btn-success {
    background: var(--mfm-success);
    border-color: var(--mfm-success);
    color: white;
}

.mfm-rp-btn-danger {
    color: var(--mfm-danger);
    border-color: var(--mfm-danger);
}

.mfm-rp-btn-danger:hover {
    background: var(--mfm-danger);
    color: white;
}

.mfm-rp-btn-block {
    width: 100%;
}

.mfm-rp-btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

/* Select */
.mfm-rp-select {
    padding: 8px 12px;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 6px;
    background: white;
    font-size: 14px;
    min-width: 150px;
}

/* Main Layout */
.mfm-rp-main {
    display: grid;
    grid-template-columns: 220px 1fr 260px;
    min-height: 600px;
}

@media (max-width: 1024px) {
    .mfm-rp-main {
        grid-template-columns: 1fr;
    }
}

/* Palette */
.mfm-rp-palette {
    background: white;
    border-right: 1px solid var(--mfm-gray-200);
    overflow-y: auto;
    max-height: 700px;
}

.mfm-rp-palette h3 {
    padding: 12px 16px;
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--mfm-gray-700);
    border-bottom: 1px solid var(--mfm-gray-200);
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
}

/* Kategorien */
.mfm-rp-kategorie {
    border-bottom: 1px solid var(--mfm-gray-100);
}

.mfm-rp-kategorie-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s;
}

.mfm-rp-kategorie-header:hover {
    background: var(--mfm-gray-50);
}

.mfm-rp-kategorie-icon {
    font-size: 16px;
}

.mfm-rp-kategorie-label {
    flex: 1;
    font-size: 13px;
    font-weight: 500;
    color: var(--mfm-gray-700);
}

.mfm-rp-kategorie-toggle {
    font-size: 10px;
    color: var(--mfm-gray-500);
    transition: transform 0.2s;
}

.mfm-rp-kategorie.collapsed .mfm-rp-kategorie-toggle {
    transform: rotate(-90deg);
}

.mfm-rp-kategorie.collapsed .mfm-rp-kategorie-symbole {
    display: none;
}

.mfm-rp-kategorie-symbole {
    padding: 8px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

/* Symbole */
.mfm-rp-symbol {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 6px;
    background: var(--mfm-gray-50);
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: grab;
    transition: all 0.15s;
    text-align: center;
}

.mfm-rp-symbol:hover {
    background: var(--mfm-primary);
    background: linear-gradient(135deg, var(--mfm-primary), var(--mfm-primary-dark));
    color: white;
    transform: scale(1.02);
}

.mfm-rp-symbol:active {
    cursor: grabbing;
}

.mfm-rp-symbol.dragging {
    opacity: 0.5;
}

.mfm-rp-symbol-icon {
    font-size: 22px;
    margin-bottom: 4px;
}

.mfm-rp-symbol-label {
    font-size: 10px;
    line-height: 1.2;
    color: var(--mfm-gray-600);
}

.mfm-rp-symbol:hover .mfm-rp-symbol-label {
    color: white;
}

.mfm-rp-kombi-info {
    grid-column: span 2;
    text-align: center;
    padding: 8px;
    color: var(--mfm-gray-500);
}

/* Canvas */
.mfm-rp-canvas-wrapper {
    background: var(--mfm-gray-100);
    padding: 16px;
    display: flex;
    flex-direction: column;
}

.mfm-rp-canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.mfm-rp-canvas-header span:first-child {
    font-weight: 600;
    color: var(--mfm-gray-700);
}

.mfm-rp-canvas-size {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--mfm-gray-600);
}

.mfm-rp-canvas-size input {
    width: 60px;
    padding: 4px 8px;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 4px;
    text-align: center;
    font-size: 13px;
}

#mfm-rp-canvas {
    flex: 1;
    background: white;
    border: 2px solid var(--mfm-gray-300);
    border-radius: var(--mfm-radius);
    box-shadow: var(--mfm-shadow);
    cursor: crosshair;
}

.mfm-rp-canvas-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 13px;
    color: var(--mfm-gray-600);
}

#mfm-rp-status {
    color: var(--mfm-success);
}

/* Properties Panel */
.mfm-rp-properties {
    background: white;
    border-left: 1px solid var(--mfm-gray-200);
    overflow-y: auto;
}

.mfm-rp-properties h3 {
    padding: 12px 16px;
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--mfm-gray-700);
    border-bottom: 1px solid var(--mfm-gray-200);
    position: sticky;
    top: 0;
    background: white;
}

.mfm-rp-props-section {
    padding: 16px;
    border-bottom: 1px solid var(--mfm-gray-100);
}

.mfm-rp-hint {
    color: var(--mfm-gray-500);
    font-size: 13px;
    text-align: center;
    padding: 20px;
}

.mfm-rp-prop-group {
    margin-bottom: 14px;
}

.mfm-rp-prop-group:last-child {
    margin-bottom: 0;
}

.mfm-rp-prop-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--mfm-gray-600);
    margin-bottom: 6px;
}

.mfm-rp-prop-group select,
.mfm-rp-prop-group input[type="number"] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 6px;
    font-size: 13px;
}

.mfm-rp-input-small {
    width: 70px !important;
    display: inline-block;
}

.mfm-rp-hoehe-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Slots */
.mfm-rp-slot-container {
    display: flex;
    gap: 4px;
}

.mfm-rp-slot {
    width: 36px;
    height: 36px;
    border: 2px dashed var(--mfm-gray-300);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: var(--mfm-gray-50);
}

.mfm-rp-slot.filled {
    border-style: solid;
    border-color: var(--mfm-primary);
    background: white;
}

.mfm-rp-slot.highlight {
    border-color: var(--mfm-secondary);
    background: #fef3c7;
}

.mfm-rp-kombi-slots-large {
    display: flex;
    gap: 8px;
    justify-content: center;
    padding: 20px;
    background: var(--mfm-gray-50);
    border-radius: var(--mfm-radius);
    margin-bottom: 16px;
}

.mfm-rp-kombi-slots-large .mfm-rp-slot {
    width: 50px;
    height: 50px;
    font-size: 24px;
}

/* DIN Info */
.mfm-rp-din-info {
    padding: 16px;
    background: var(--mfm-gray-50);
}

.mfm-rp-din-info h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--mfm-gray-600);
    margin: 0 0 12px 0;
}

#mfm-rp-din-vorgaben {
    font-size: 12px;
}

.mfm-rp-din-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--mfm-gray-200);
}

.mfm-rp-din-item:last-child {
    border-bottom: none;
}

.mfm-rp-din-label {
    color: var(--mfm-gray-600);
}

.mfm-rp-din-value {
    font-weight: 600;
    color: var(--mfm-gray-700);
}

.mfm-rp-din-ok {
    color: var(--mfm-success);
}

.mfm-rp-din-missing {
    color: var(--mfm-danger);
}

/* Modal */
.mfm-rp-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.mfm-rp-modal-content {
    background: white;
    border-radius: var(--mfm-radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.mfm-rp-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--mfm-gray-200);
}

.mfm-rp-modal-header h3 {
    margin: 0;
    font-size: 18px;
    color: var(--mfm-gray-900);
}

.mfm-rp-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--mfm-gray-500);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.mfm-rp-modal-close:hover {
    color: var(--mfm-gray-700);
}

.mfm-rp-modal-body {
    padding: 20px;
    overflow-y: auto;
    max-height: 60vh;
}

.mfm-rp-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 20px;
    border-top: 1px solid var(--mfm-gray-200);
    background: var(--mfm-gray-50);
}

/* Checkbox Group */
.mfm-rp-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 16px 0;
}

.mfm-rp-checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
}

.mfm-rp-checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.mfm-rp-tuer-position {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--mfm-gray-200);
}

.mfm-rp-tuer-position label {
    font-size: 14px;
    margin-right: 10px;
}

.mfm-rp-tuer-position select {
    padding: 8px 12px;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 6px;
}

.mfm-rp-kombi-hoehe {
    text-align: center;
}

.mfm-rp-kombi-hoehe label {
    font-size: 14px;
    margin-right: 10px;
}

.mfm-rp-kombi-hoehe select {
    padding: 8px 12px;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 6px;
}

/* Canvas Elements (JS managed via data attributes) */
.mfm-rp-element {
    position: absolute;
    cursor: move;
}

.mfm-rp-element.selected {
    outline: 2px solid var(--mfm-secondary);
    outline-offset: 2px;
}

.mfm-rp-element.kombination {
    background: rgba(26, 95, 122, 0.1);
    border-radius: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    .mfm-rp-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .mfm-rp-toolbar-left,
    .mfm-rp-toolbar-right {
        justify-content: center;
    }
    
    .mfm-rp-main {
        grid-template-columns: 1fr;
    }
    
    .mfm-rp-palette,
    .mfm-rp-properties {
        border: none;
        border-bottom: 1px solid var(--mfm-gray-200);
    }
    
    .mfm-rp-canvas-wrapper {
        min-height: 400px;
    }
}