/* ===== Floor Map Styles ===== */
.floor-map-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.floor-map-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.floor-map-bg img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform-origin: center center;
}

.floor-map-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    cursor: grab;
}

.floor-map-container:active {
    cursor: grabbing;
}

.floor-map-container.add-mode {
    cursor: crosshair;
}

.floor-map {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floor-map-svg {
    width: 100%;
    height: 100%;
    transition: transform 0.1s ease-out;
    transform-origin: center center;
}

/* ===== Seat Elements ===== */
.seat-element {
    cursor: pointer;
    transition: all 0.2s ease;
}

.seat-element:hover .seat-circle {
    filter: brightness(1.15);
    transform-origin: center;
}

.seat-element.dragging {
    opacity: 0.7;
    cursor: grabbing;
}

.seat-element.selected .seat-circle {
    stroke: #fbbf24;
    stroke-width: 3;
}

.seat-element .seat-circle {
    transition: all 0.2s ease;
}

.seat-element.status-available .seat-circle {
    fill: #3b82f6;
}

.seat-element.status-occupied .seat-circle {
    fill: #3b82f6;
}

.seat-element.status-maintenance .seat-circle {
    fill: #3b82f6;
}

.seat-element.status-empty .seat-circle {
    fill: #94a3b8;
    stroke: #64748b;
    stroke-dasharray: 4 2;
}

/* 搜索高亮闪烁动画 */
.seat-element.search-highlight {
    animation: highlight-pulse 0.8s ease-in-out infinite;
}

.seat-element.search-highlight .seat-circle {
    animation: circle-glow 0.8s ease-in-out infinite;
}

@keyframes highlight-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.85;
    }
}

@keyframes circle-glow {
    0%, 100% {
        filter: drop-shadow(0 0 12px #fbbf24) drop-shadow(0 0 24px #fbbf24) drop-shadow(0 0 36px #f59e0b);
        stroke: #fbbf24;
        stroke-width: 5;
    }
    50% {
        filter: drop-shadow(0 0 20px #f59e0b) drop-shadow(0 0 40px #f59e0b) drop-shadow(0 0 60px #d97706);
        stroke: #f59e0b;
        stroke-width: 7;
    }
}

/* 搜索高亮时标签也高亮 */
.seat-element.search-highlight + text,
.seat-element.search-highlight ~ text {
    font-weight: 700;
}

/* Seat label */
.seat-label {
    font-size: 14px;
    font-weight: 600;
    fill: #1e293b;
    text-anchor: middle;
    dominant-baseline: central;
    pointer-events: none;
    user-select: none;
    text-shadow: 0 1px 2px rgba(255,255,255,0.8);
}

.seat-label.small {
    font-size: 12px;
}

/* 优化后的姓名标签样式 */
.seat-name-label {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: rgba(59, 130, 246, 0.85);
    border-radius: 11px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 8px;
    box-sizing: border-box;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(4px);
}

/* ===== Tooltip ===== */
.seat-tooltip {
    position: absolute;
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 12px 16px;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
    z-index: 50;
    min-width: 180px;
    animation: tooltipFadeIn 0.15s ease;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tooltip-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--ink);
}

.tooltip-row {
    display: flex;
    gap: 8px;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 2px;
}

.tooltip-label {
    font-weight: 500;
    min-width: 40px;
}

/* ===== Area Overlay ===== */
.area-overlay {
    fill-opacity: 0.1;
    stroke-width: 2;
    stroke-dasharray: 8 4;
    pointer-events: none;
}

.area-label {
    font-size: 14px;
    font-weight: 700;
    fill-opacity: 0.6;
    text-anchor: middle;
    pointer-events: none;
    user-select: none;
}

/* ===== Search Highlight ===== */
.seat-element.search-highlight {
    animation: searchPulse 1.5s ease infinite;
}

@keyframes searchPulse {
    0%, 100% {
        stroke: var(--warning);
        stroke-width: 2;
    }
    50% {
        stroke: var(--warning);
        stroke-width: 4;
    }
}

/* ===== Add Mode Indicator ===== */
.add-mode-indicator {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    z-index: 10;
    box-shadow: var(--shadow);
    animation: slideDown 0.2s ease;
}

.add-mode-indicator::after {
    content: ' (右键或ESC取消)';
    opacity: 0.8;
    font-size: 12px;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ===== Zoom Controls ===== */
.zoom-controls {
    position: absolute;
    bottom: 16px;
    right: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 10;
}

.zoom-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.zoom-btn:hover {
    background: var(--surface-hover);
    border-color: var(--primary);
}

/* ===== Grid Background (when no image) ===== */
.grid-background {
    background-image:
        linear-gradient(var(--rule) 1px, transparent 1px),
        linear-gradient(90deg, var(--rule) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* ===== Loading State ===== */
.floor-map-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: var(--bg);
    z-index: 5;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--rule);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    color: var(--muted);
    font-size: 14px;
}

/* ===== Empty State ===== */
.floor-map-empty {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--muted);
}

.empty-icon {
    font-size: 48px;
    opacity: 0.5;
}

.empty-text {
    font-size: 16px;
}

.empty-hint {
    font-size: 13px;
    opacity: 0.7;
}