/* ========================================
   AI智能仓储数字孪生 - 全局样式
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #00ff88;
    --warning-color: #ffaa00;
    --danger-color: #ef4444;
    --bg-dark: #0a0f1a;
    --bg-panel: rgba(15, 25, 40, 0.95);
    --border-color: rgba(0, 212, 255, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #8aa;
    --text-muted: #6a8a9a;
    --font-mono: 'Consolas', 'Monaco', monospace;
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    font-size: 13px;
}

/* Canvas Container */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
}

/* ========================================
   Header 顶部栏
   ======================================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(180deg, rgba(10, 15, 26, 0.98) 0%, rgba(10, 15, 26, 0.9) 100%);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-subtitle {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.phase-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 20px;
    padding: 4px;
    background: rgba(15, 25, 40, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
}

.phase-btn {
    padding: 6px 16px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.phase-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
}

.phase-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-dark);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
}

.header-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.stat-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.time-display {
    font-family: var(--font-mono);
    color: var(--primary-color);
    font-size: 14px;
    padding: 6px 12px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

/* ========================================
   Control Panel 左侧控制面板
   ======================================== */
#control-panel {
    position: fixed;
    top: 75px;
    left: 15px;
    width: 300px;
    max-height: calc(100vh - 90px);
    overflow-y: auto;
    z-index: 100;
}

#control-panel::-webkit-scrollbar {
    width: 4px;
}

#control-panel::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.3);
    border-radius: 2px;
}

.panel-section {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    background: rgba(0, 212, 255, 0.05);
}

.panel-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.live-badge {
    font-size: 10px;
    color: var(--secondary-color);
    font-weight: 700;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.text-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 10px;
    cursor: pointer;
    transition: color 0.2s;
}

.text-btn:hover {
    color: var(--primary-color);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 12px;
}

.stat-card {
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    transition: all 0.3s;
}

.stat-card:hover {
    background: rgba(0, 212, 255, 0.12);
    border-color: rgba(0, 212, 255, 0.4);
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-color);
    font-family: var(--font-mono);
}

.stat-desc {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* AI Status List */
.ai-status-list {
    padding: 12px;
}

.ai-status-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.ai-status-item:last-child {
    border-bottom: none;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3a4a5a;
    transition: all 0.3s;
}

.status-dot.active {
    background: var(--secondary-color);
    box-shadow: 0 0 8px var(--secondary-color);
}

.status-dot.warning {
    background: var(--warning-color);
    box-shadow: 0 0 8px var(--warning-color);
}

.status-label {
    flex: 1;
    font-size: 11px;
    color: var(--text-secondary);
}

.status-value {
    font-size: 11px;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* Speed Control */
.speed-control {
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.speed-label {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.speed-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    background: rgba(0, 212, 255, 0.2);
    border-radius: 3px;
    outline: none;
}

.speed-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.speed-presets {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.speed-btn {
    flex: 1;
    padding: 6px;
    font-size: 10px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--primary-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.speed-btn:hover,
.speed-btn.active {
    background: rgba(0, 212, 255, 0.3);
}

/* Demo Buttons */
.demo-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 12px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
}

.action-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateY(-2px);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    font-size: 20px;
}

.btn-text {
    font-size: 10px;
    color: var(--text-secondary);
}

/* AI控制按钮样式 */
.ai-controls {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    margin: 0 12px 12px 12px;
}

.ai-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ai-btn {
    flex: 1;
    min-width: 80px;
    background: linear-gradient(135deg, #374151 0%, #4b5563 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    transition: all 0.3s ease !important;
}

.ai-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.ai-btn.active {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%) !important;
    border-color: rgba(16, 185, 129, 0.5) !important;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.ai-btn.active .btn-text {
    color: #ffffff;
    font-weight: 600;
}

.ai-btn:not(.active) {
    opacity: 0.7;
}

.ai-btn:not(.active):hover {
    opacity: 0.9;
}

/* Log Container */
.log-container {
    max-height: 180px;
    overflow-y: auto;
    padding: 12px;
    font-size: 10px;
}

.log-container::-webkit-scrollbar {
    width: 4px;
}

.log-container::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.3);
    border-radius: 2px;
}

.log-item {
    display: flex;
    gap: 8px;
    padding: 4px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.log-time {
    color: var(--text-muted);
    font-family: var(--font-mono);
    white-space: nowrap;
}

.log-type {
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 600;
}

.log-type.system { background: rgba(0, 212, 255, 0.2); color: var(--primary-color); }
.log-type.ai { background: rgba(213, 128, 255, 0.2); color: #d580ff; }
.log-type.rpa { background: rgba(255, 170, 0, 0.2); color: var(--warning-color); }
.log-type.success { background: rgba(0, 255, 136, 0.2); color: var(--secondary-color); }
.log-type.warning { background: rgba(255, 170, 0, 0.2); color: var(--warning-color); }
.log-type.error { background: rgba(239, 68, 68, 0.2); color: var(--danger-color); }

.log-msg {
    color: var(--text-secondary);
    flex: 1;
}

/* ========================================
   Info Panel 右侧信息面板
   ======================================== */
#info-panel {
    position: fixed;
    top: 75px;
    right: 15px;
    width: 280px;
    max-height: calc(100vh - 90px);
    overflow-y: auto;
    z-index: 100;
}

#info-panel::-webkit-scrollbar {
    width: 4px;
}

#info-panel::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.3);
    border-radius: 2px;
}

.info-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    background: rgba(0, 212, 255, 0.05);
}

.card-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
}

.camera-status {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(58, 74, 90, 0.5);
    color: var(--text-muted);
}

.camera-status.active {
    background: rgba(0, 255, 136, 0.2);
    color: var(--secondary-color);
}

/* Camera View */
.camera-view {
    height: 140px;
    background: radial-gradient(circle at center, #0a1520, #050a10);
    position: relative;
    overflow: hidden;
}

.camera-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    position: relative;
}

.camera-text {
    color: var(--secondary-color);
    font-size: 12px;
    font-family: var(--font-mono);
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    animation: scanMove 2s linear infinite;
    opacity: 0;
}

.camera-view.active .scan-line {
    opacity: 1;
}

@keyframes scanMove {
    0% { top: 0; }
    100% { top: 100%; }
}

.camera-info {
    padding: 12px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 11px;
}

.info-label {
    color: var(--text-muted);
}

.info-value {
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* LLM Panel */
.llm-panel {
    padding: 12px;
    min-height: 100px;
}

.llm-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 11px;
}

.llm-content {
    font-family: var(--font-mono);
    font-size: 10px;
    line-height: 1.6;
}

.llm-line {
    padding: 2px 0;
    color: var(--text-secondary);
}

.llm-line.highlight {
    color: var(--secondary-color);
}

/* Behavior Panel */
.behavior-panel {
    padding: 12px;
}

.behavior-stats {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.behavior-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
}

.behavior-icon {
    font-size: 16px;
}

.behavior-label {
    flex: 1;
    font-size: 11px;
    color: var(--text-secondary);
}

.behavior-value {
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.behavior-value.safe {
    color: var(--secondary-color);
}

.behavior-value.warning {
    color: var(--warning-color);
}

.behavior-value.danger {
    color: var(--danger-color);
}

/* RPA Panel */
.rpa-panel {
    padding: 12px;
    position: relative;
    z-index: 101;
}

/* RPA Status Card Enhancement */
.info-card:has(.rpa-panel) {
    border-color: rgba(255, 170, 0, 0.5);
    box-shadow: 0 0 20px rgba(255, 170, 0, 0.1);
}

.info-card:has(.rpa-panel) .card-title {
    color: var(--warning-color);
    text-shadow: 0 0 10px rgba(255, 170, 0, 0.3);
}

.rpa-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.rpa-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    opacity: 0.4;
    transition: all 0.3s;
}

.rpa-step.active {
    opacity: 1;
    transform: scale(1.1);
}

.rpa-step.active .step-icon {
    background: linear-gradient(135deg, var(--warning-color), #ffcc00);
    border-color: var(--warning-color);
    box-shadow: 0 0 20px rgba(255, 170, 0, 0.7);
    animation: pulse-glow 0.8s ease-in-out infinite;
}

.rpa-step.active .step-label {
    color: var(--warning-color);
    font-weight: 600;
    text-shadow: 0 0 8px rgba(255, 170, 0, 0.5);
}

@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: 0 0 15px rgba(255, 170, 0, 0.5);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 30px rgba(255, 170, 0, 0.9);
        transform: scale(1.05);
    }
}

.rpa-step.completed {
    opacity: 1;
}

.rpa-step.completed .step-icon {
    background: linear-gradient(135deg, var(--secondary-color), #00cc66);
    color: #000;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.4);
}

.rpa-step.completed .step-label {
    color: var(--secondary-color);
}

.step-icon {
    width: 32px;
    height: 32px;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid rgba(0, 212, 255, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.step-label {
    font-size: 9px;
    color: var(--text-secondary);
}

.rpa-arrow {
    color: var(--text-muted);
    font-size: 12px;
}

.rpa-progress {
    margin-top: 8px;
}

.progress-bar {
    height: 4px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    transition: width 0.3s;
    width: 0%;
}

.rpa-progress.active .progress-fill {
    background: linear-gradient(90deg, var(--warning-color), #ffcc00);
}

.progress-text {
    text-align: center;
    font-size: 10px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.rpa-progress.active .progress-text {
    color: var(--warning-color);
    font-weight: 600;
}

/* Forklift Status Indicator */
#forklift-indicator {
    position: fixed;
    bottom: 130px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.95), rgba(180, 20, 20, 0.95));
    border: 2px solid #ff4444;
    border-radius: 25px;
    padding: 10px 24px;
    z-index: 300;
    display: none;
    align-items: center;
    gap: 10px;
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.5);
    backdrop-filter: blur(10px);
}

#forklift-indicator.active {
    display: flex;
    animation: forklift-pulse 1s ease-in-out infinite;
}

#forklift-indicator .indicator-icon {
    font-size: 20px;
}

#forklift-indicator .indicator-text {
    font-size: 13px;
    color: #fff;
    font-weight: 600;
}

#forklift-indicator .indicator-dot {
    width: 10px;
    height: 10px;
    background: var(--secondary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--secondary-color);
    animation: blink 0.5s ease-in-out infinite;
}

@keyframes forklift-pulse {
    0%, 100% { box-shadow: 0 0 30px rgba(220, 38, 38, 0.5); }
    50% { box-shadow: 0 0 40px rgba(220, 38, 38, 0.8); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3;
}

/* ========================================
   Bottom Bar 底部控制栏
   ======================================== */
#bottom-bar {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 100;
    background: rgba(10, 15, 26, 0.9);
    padding: 10px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    color: var(--primary-color);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.control-btn:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.control-btn.primary {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.4), rgba(0, 255, 136, 0.4));
    border-color: rgba(0, 255, 136, 0.5);
    color: #fff;
}

.control-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

/* ========================================
   Task Indicator 任务指示器
   ======================================== */
#task-indicator {
    position: fixed;
    top: 75px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 25, 40, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 24px;
    z-index: 200;
    backdrop-filter: blur(10px);
    min-width: 280px;
}

.task-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 8px;
}

.task-icon {
    font-size: 16px;
}

.task-text {
    font-size: 13px;
    color: var(--primary-color);
    font-weight: 500;
}

.task-progress {
    height: 4px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.task-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    transition: width 0.3s;
    width: 0%;
}

/* ========================================
   Object Info 物体信息弹窗
   ======================================== */
#object-info {
    position: fixed;
    bottom: 80px;
    left: 20px;
    background: rgba(15, 25, 40, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    z-index: 100;
    backdrop-filter: blur(10px);
    min-width: 220px;
    max-width: 300px;
}

.info-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.info-details {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   Instructions 操作提示
   ======================================== */
#instructions {
    position: fixed;
    bottom: 80px;
    left: 20px;
    background: rgba(15, 25, 40, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 11px;
    color: var(--text-muted);
    z-index: 50;
}

/* ========================================
   Legend 图例
   ======================================== */
#legend {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: rgba(15, 25, 40, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.legend-title {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 0;
    font-size: 11px;
    color: var(--text-secondary);
}

.legend-color {
    width: 16px;
    height: 10px;
    border-radius: 2px;
}

/* ========================================
   Loading Screen 加载屏幕
   ======================================== */
#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s;
}

#loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(0, 212, 255, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1400px) {
    #control-panel {
        width: 260px;
    }
    
    #info-panel {
        width: 240px;
    }
}

@media (max-width: 1200px) {
    .header-stats {
        display: none;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

.glow {
    box-shadow: var(--shadow-glow);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 212, 255, 0.5);
}