/* DeepGIS HUD: toolbar, panels, indicators and flight widgets (templates/web/hud/). */
/* ========== HUD BOTTOM TOOLBAR ========== */
.hud-toolbar {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 4px;
    padding: 8px 16px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-bottom: none;
    border-radius: 12px 12px 0 0;
    z-index: 2000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
}

.hud-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    color: #94a3b8;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 60px;
}

.hud-btn:hover {
    background: rgba(59, 130, 246, 0.25);
    color: #60a5fa;
    border-color: #3b82f6;
    transform: translateY(-2px);
}

.hud-btn.active {
    background: rgba(59, 130, 246, 0.4);
    color: #93c5fd;
    border-color: #3b82f6;
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.hud-btn i {
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.hud-btn span {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Special colored buttons */
.hud-btn.hud-ai { border-color: rgba(16, 185, 129, 0.5); }
.hud-btn.hud-ai:hover, .hud-btn.hud-ai.active { 
    background: rgba(16, 185, 129, 0.3); 
    border-color: #10b981;
    color: #34d399;
}

.hud-btn.hud-pilot { border-color: rgba(245, 158, 11, 0.5); }
.hud-btn.hud-pilot:hover, .hud-btn.hud-pilot.active {
    background: rgba(245, 158, 11, 0.25);
    border-color: #f59e0b;
    color: #fbbf24;
}

/* AI pilot chat: stays open while the user moves the map */
.pilot-panel {
    position: fixed;
    bottom: 70px;
    right: 120px;
    width: 340px;
    max-height: 55vh;
    display: none;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(245, 158, 11, 0.35);
    border-radius: 12px;
    padding: 12px;
    z-index: 1998;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.pilot-panel.visible { display: flex; }
.pilot-log {
    flex: 1;
    overflow-y: auto;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 8px;
    font-size: 0.8rem;
}
.pilot-msg {
    padding: 6px 9px;
    border-radius: 8px;
    line-height: 1.35;
    white-space: pre-wrap;
    word-wrap: break-word;
}
.pilot-msg.user { align-self: flex-end; background: rgba(59, 130, 246, 0.3); color: #e2e8f0; max-width: 85%; }
.pilot-msg.ai { align-self: flex-start; background: rgba(51, 65, 85, 0.7); color: #f1f5f9; max-width: 92%; }
.pilot-msg.step { align-self: flex-start; color: #94a3b8; font-size: 0.72rem; padding: 0 9px; }
.pilot-msg.error { align-self: flex-start; color: #fca5a5; font-size: 0.75rem; padding: 0 9px; }
.pilot-msg.geo { align-self: flex-start; color: #fde68a; font-size: 0.74rem; padding: 0 9px; }
.pilot-msg a { color: #fbbf24; }
.pilot-form { display: flex; gap: 6px; }
.pilot-form input {
    flex: 1;
    min-width: 0;
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid rgba(100, 116, 139, 0.5);
    border-radius: 6px;
    color: #f1f5f9;
    padding: 6px 8px;
    font-size: 0.8rem;
}
.pilot-form input:focus { outline: none; border-color: #f59e0b; }
.pilot-form button {
    background: rgba(245, 158, 11, 0.25);
    border: 1px solid rgba(245, 158, 11, 0.5);
    border-radius: 6px;
    color: #fbbf24;
    padding: 0 10px;
    cursor: pointer;
}
.pilot-form button:disabled { opacity: 0.4; cursor: default; }
.pilot-form button.pilot-stop { background: rgba(239, 68, 68, 0.2); border-color: rgba(239, 68, 68, 0.5); color: #fca5a5; }

.hud-btn.hud-vr { border-color: rgba(139, 92, 246, 0.5); }
.hud-btn.hud-vr:hover, .hud-btn.hud-vr.active { 
    background: rgba(139, 92, 246, 0.3); 
    border-color: #8b5cf6;
    color: #a78bfa;
}

.hud-btn.hud-mission { border-color: rgba(59, 130, 246, 0.5); }
.hud-btn.hud-mission:hover, .hud-btn.hud-mission.active { 
    background: rgba(59, 130, 246, 0.3); 
    border-color: #3b82f6;
    color: #60a5fa;
}

.hud-btn.hud-sampler { border-color: rgba(245, 158, 11, 0.5); }
.hud-btn.hud-sampler:hover, .hud-btn.hud-sampler.active { 
    background: rgba(245, 158, 11, 0.3); 
    border-color: #f59e0b;
    color: #fbbf24;
}

.hud-btn.hud-weather { border-color: rgba(16, 185, 129, 0.5); }
.hud-btn.hud-weather:hover, .hud-btn.hud-weather.active { 
    background: rgba(16, 185, 129, 0.3); 
    border-color: #10b981;
    color: #34d399;
}

/* ========== HUD FLOATING PANELS ========== */
.hud-panel {
    position: fixed;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    width: 380px;
    max-height: 60vh;
    overflow-y: auto;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 12px;
    padding: 16px;
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.hud-panel.visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.hud-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.hud-panel-title {
    color: #f1f5f9;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hud-panel-close {
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.hud-panel-close:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

/* Custom scrollbar for panels */
.hud-panel::-webkit-scrollbar {
    width: 6px;
}
.hud-panel::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}
.hud-panel::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.4);
    border-radius: 3px;
}

/* ========== HIDE OLD SIDEBAR & FULL-WIDTH MAP ========== */
#sidebar-wrapper {
    display: none !important;
    width: 0 !important;
}

#wrapper {
    padding-left: 0 !important;
    padding-right: 0 !important;
}

.mobile-toggle {
    display: none !important;
}

/* Make cesium container full width */
#cesiumContainer {
    right: 0 !important;
    left: 0 !important;
    width: 100% !important;
}

/* Hide the old status indicator (sidebar mode messages) */
.status-indicator {
    display: none !important;
}

/* ========== PERFORMANCE & AIRCRAFT COUNT INDICATORS ========== */
.performance-indicator {
    position: fixed;
    top: 20px;
    left: 20px;
    background: rgba(139, 92, 246, 0.85);
    backdrop-filter: blur(8px);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1500;
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.aircraft-count-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(245, 158, 11, 0.90);
    backdrop-filter: blur(10px);
    color: white;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    z-index: 1500;
    border: 2px solid rgba(245, 158, 11, 0.5);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4), 0 0 20px rgba(245, 158, 11, 0.3);
    display: none;
    transition: all 0.3s ease;
    min-width: 180px;
    text-align: center;
}

.aircraft-count-indicator.visible {
    display: block;
    animation: pulseGlow 2s ease-in-out infinite;
}

.aircraft-count-indicator .icon {
    font-size: 1.3rem;
    margin-right: 8px;
    vertical-align: middle;
}

.aircraft-count-indicator .count {
    font-size: 1.4rem;
    font-weight: 800;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.aircraft-count-indicator .label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    display: block;
    margin-top: 2px;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4), 0 0 20px rgba(245, 158, 11, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 30px rgba(245, 158, 11, 0.5);
    }
}

/* ========== CONSISTENT LEFT WIDGET WIDTHS ========== */
.camera-info {
    width: 150px !important;
    min-width: 150px !important;
    max-width: 150px !important;
    left: 10px !important;
    position: fixed !important;
    top: 80px !important;
    padding: 4px 6px !important;
    font-size: 9px !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.camera-info-title {
    margin-bottom: 2px !important;
    font-size: 9px !important;
    padding-bottom: 1px !important;
    font-weight: 600 !important;
}

.camera-info-item {
    margin-bottom: 1px !important;
    font-size: 9px !important;
    line-height: 1.1 !important;
    display: flex !important;
    justify-content: space-between !important;
}

.camera-info-label, .camera-info-value {
    font-size: 9px !important;
}

.weather-stations-widget {
    width: 200px !important;
}

.drone-fly-widget {
    width: 150px !important;
}

.drone-orbit-widget {
    width: 150px !important;
}

/* ========== ADJUST EXISTING HUD ELEMENTS ========== */
.perspective-views-widget {
    position: fixed !important;
    bottom: 20px !important;  /* Moved to bottom-left corner */
    left: 10px !important;  /* Left side instead of right */
    width: 100px;  /* Reduced from 120px */
    z-index: 1300;  /* Below navigation widget */
    background: transparent;
    border-radius: 0;
    padding: 4px;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    display: none !important;  /* Hidden from viewport */
}

.perspective-views-widget .widget-title {
    color: #f1f5f9;
    font-size: 8px;
    font-weight: 600;
    text-align: left;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

.perspective-compass-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 3px;
    width: 100%;
    aspect-ratio: 1;
}

.perspective-btn-hud {
    aspect-ratio: 1;
    padding: 4px 2px;
    font-size: 0.65rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 4px;
    color: #60a5fa;
    transition: all 0.2s ease;
    cursor: pointer;
}

.perspective-btn-hud:hover {
    background-color: rgba(59, 130, 246, 0.25);
    border-color: #3b82f6;
    color: #93c5fd;
    transform: scale(1.05);
}

.perspective-btn-hud i { font-size: 0.9rem; margin-bottom: 2px; }
.perspective-btn-hud small { font-size: 0.65rem; font-weight: 600; }

.perspective-compass-grid #viewNorth { grid-column: 2; grid-row: 1; }
.perspective-compass-grid #viewEast { grid-column: 3; grid-row: 2; }
.perspective-compass-grid #viewSouth { grid-column: 2; grid-row: 3; }
.perspective-compass-grid #viewWest { grid-column: 1; grid-row: 2; }

/* ========== QUICK VIEW BUTTONS (Top Right) ========== */
.hud-quick-views {
    position: fixed;
    top: 70px;
    right: 10px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    z-index: 1500;
}

/* Navigation widget adjustment - positioned below quick view buttons */
.navigation-widget-group {
    position: fixed !important;
    top: 200px !important;  /* Moved up for compactness */
    right: 10px !important;  /* Moved left slightly */
    width: 100px;  /* Reduced from 120px */
    max-height: 200px;  /* Reduced height */
    z-index: 1400;  /* Below quick view buttons but above other elements */
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
}

.navigation-widget-group .widget-title {
    font-size: 8px !important;
    font-weight: 600 !important;
    color: #f1f5f9 !important;
    margin-bottom: 2px !important;
    text-align: left !important;
}

/* ========== ALTITUDE METER ========== */
.altitude-meter {
    width: 100px;
    height: 120px;
    margin-top: 8px;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.altitude-meter-container {
    position: relative;
    width: 100%;
    height: 80px;
    overflow: hidden;
}

.altitude-tape {
    position: absolute;
    left: 0;
    width: 100%;
    transition: transform 0.3s ease-out;
}

.altitude-tape-value {
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    color: #f1f5f9;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.altitude-tape-value.major {
    font-size: 13px;
    color: #60a5fa;
    border-bottom: 2px solid rgba(96, 165, 250, 0.3);
}

.altitude-pointer {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: #ef4444;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 10;
}

.altitude-pointer::before {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid #ef4444;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

.altitude-readout {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 35px;
    background: rgba(0, 0, 0, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.altitude-value {
    font-size: 16px;
    font-weight: 700;
    color: #10b981;
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

.altitude-unit {
    font-size: 8px;
    font-weight: 600;
    color: #94a3b8;
    letter-spacing: 0.5px;
}

/* ========== DRONE FLY WIDGET ========== */
.drone-fly-widget {
    position: fixed;
    top: 240px;
    left: 10px;
    width: 150px;
    z-index: 1400;
    background: transparent;
    border-radius: 0;
    padding: 4px;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
}

.drone-fly-widget .widget-title {
    color: #10b981;
    font-size: 8px;
    font-weight: 600;
    text-align: left;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    display: flex;
    align-items: center;
    gap: 2px;
}

.drone-fly-widget .widget-item {
    margin-bottom: 3px;
}

.drone-fly-widget .widget-fields-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    margin-bottom: 3px;
}

.drone-fly-widget .widget-field {
    display: flex;
    flex-direction: column;
}

.drone-fly-widget label {
    font-size: 9px;
    color: #cbd5e1;
    margin-bottom: 1px;
    display: block;
    line-height: 1.1;
}

.drone-fly-widget input[type="number"] {
    width: 100%;
    padding: 2px 4px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    color: #f1f5f9;
    font-size: 10px;
    height: 20px;
}

.drone-fly-widget input[type="number"]:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(16, 185, 129, 0.5);
    outline: none;
}

.drone-fly-widget small {
    font-size: 7px;
    color: #94a3b8;
    display: block;
    margin-top: 0px;
    line-height: 1.1;
}

.drone-fly-widget button {
    width: 100%;
    padding: 3px 4px;
    font-size: 9px;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.4);
    border-radius: 2px;
    color: #10b981;
    cursor: pointer;
    transition: all 0.2s;
    line-height: 1.2;
}

.drone-fly-widget button:hover {
    background: rgba(16, 185, 129, 0.3);
    border-color: #10b981;
}

.drone-fly-widget button.btn-primary {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    color: #60a5fa;
}

.drone-fly-widget button.btn-primary:hover {
    background: rgba(59, 130, 246, 0.3);
    border-color: #3b82f6;
}

.drone-fly-widget button.btn-warning {
    background: rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.4);
    color: #fbbf24;
}

.drone-fly-widget button.btn-warning:hover {
    background: rgba(245, 158, 11, 0.3);
    border-color: #f59e0b;
}

.drone-fly-widget button.active {
    background: rgba(239, 68, 68, 0.3);
    border-color: #ef4444;
    color: #f87171;
    animation: pulse 1.5s ease-in-out infinite;
}

.drone-fly-widget button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
    50% { box-shadow: 0 0 0 4px rgba(239, 68, 68, 0); }
}

/* ========== DRONE ORBIT WIDGET ========== */
.drone-orbit-widget {
    position: fixed;
    top: 420px;
    left: 10px;
    width: 150px;
    max-height: 45vh;
    overflow-y: auto;
    z-index: 1400;
    background: transparent;
    border-radius: 0;
    padding: 4px;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
}

.drone-orbit-widget .widget-title {
    color: #3b82f6;
    font-size: 8px;
    font-weight: 600;
    text-align: left;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    display: flex;
    align-items: center;
    gap: 2px;
}

.drone-orbit-widget .widget-item {
    margin-bottom: 3px;
}

.drone-orbit-widget .widget-fields-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    margin-bottom: 3px;
}

.drone-orbit-widget .widget-field {
    display: flex;
    flex-direction: column;
}

.drone-orbit-widget label {
    font-size: 9px;
    color: #cbd5e1;
    margin-bottom: 1px;
    display: block;
    line-height: 1.1;
}

.drone-orbit-widget input[type="number"],
.drone-orbit-widget input[type="range"] {
    width: 100%;
    padding: 2px 4px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    color: #f1f5f9;
    font-size: 10px;
    height: 20px;
}

.drone-orbit-widget input[type="number"]:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(59, 130, 246, 0.5);
    outline: none;
}

.drone-orbit-widget input[type="range"] {
    padding: 0;
    height: 16px;
    background: transparent;
    border: none;
}

.drone-orbit-widget small {
    font-size: 7px;
    color: #94a3b8;
    display: block;
    margin-top: 0px;
    line-height: 1.1;
}

.drone-orbit-widget button {
    width: 100%;
    padding: 3px 4px;
    font-size: 9px;
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 2px;
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    cursor: pointer;
    transition: all 0.2s;
    line-height: 1.2;
}

.drone-orbit-widget button.btn-primary {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    color: #60a5fa;
}

.drone-orbit-widget button.btn-primary:hover {
    background: rgba(59, 130, 246, 0.3);
    border-color: #3b82f6;
}

.drone-orbit-widget button.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: #f87171;
}

.drone-orbit-widget button.btn-danger:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: #ef4444;
}

/* Custom scrollbar for orbit widget */
.drone-orbit-widget::-webkit-scrollbar {
    width: 6px;
}
.drone-orbit-widget::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}
.drone-orbit-widget::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.4);
    border-radius: 3px;
}

/* Train button special styling */
.hud-quick-btn#quickTrain {
    border-color: rgba(16, 185, 129, 0.4);
}

.hud-quick-btn#quickTrain:hover {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    border-color: #10b981;
}

.hud-quick-btn#quickTrain i {
    color: #10b981;
}

.hud-quick-btn {
    padding: 4px 6px;
    background: transparent;
    backdrop-filter: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    color: #94a3b8;
    cursor: pointer;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
    text-decoration: none;
}

.hud-quick-btn:hover {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border-color: rgba(59, 130, 246, 0.3);
    text-decoration: none;
}

.hud-quick-btn.active {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.4);
}

/* ========== QR CODE OVERLAY ========== */
.qr-code-overlay {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.qr-code-overlay.visible {
    display: flex;
}

.qr-code-container {
    width: 128px;
    height: 128px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code-container canvas,
.qr-code-container img {
    max-width: 100%;
    max-height: 100%;
}

.qr-code-label {
    font-size: 9px;
    color: #1e293b;
    text-align: center;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qr-code-controls {
    display: flex;
    gap: 4px;
}

.qr-code-btn {
    padding: 3px 6px;
    font-size: 8px;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s;
}

.qr-code-btn:hover {
    background: #2563eb;
}

.qr-code-btn.close {
    background: #ef4444;
}

.qr-code-btn.close:hover {
    background: #dc2626;
}

/* Hide keyboard shortcut hint */
.hud-toolbar::after {
    content: 'Press H to toggle HUD';
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: #475569;
    opacity: 0;
    transition: opacity 0.3s;
}

.hud-toolbar:hover::after {
    opacity: 1;
}

/* ========== MAIN HEADING CENTERING ========== */
.main-heading {
    transition: all 0.3s ease;
}

/* ========== VIRTUAL JOYSTICKS ========== */
.joystick-container {
    position: fixed;
    bottom: 100px;
    z-index: 1800;
    display: none; /* Hidden by default, toggled by button */
}

.joystick-container.active {
    display: block;
}

#leftJoystick {
    right: 40px;
}

#rightJoystick {
    left: 40px;
}

.joystick-base {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.85) 100%);
    border: 2px solid rgba(59, 130, 246, 0.4);
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), inset 0 2px 10px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    cursor: pointer;
    user-select: none;
}

.joystick-base::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 1px dashed rgba(59, 130, 246, 0.3);
}

.joystick-base::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 1px dashed rgba(59, 130, 246, 0.2);
}

.joystick-stick {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #60a5fa, #3b82f6);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: move;
    touch-action: none;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.5), 0 0 20px rgba(59, 130, 246, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: box-shadow 0.1s ease;
}

.joystick-stick:active {
    box-shadow: 0 2px 15px rgba(59, 130, 246, 0.7), 0 0 30px rgba(59, 130, 246, 0.5);
}

.joystick-label {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    color: #94a3b8;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.joystick-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 9px;
    font-weight: 600;
    pointer-events: none;
    z-index: 1;
}

/* Joystick cardinal direction markers */
.joystick-markers {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.joystick-marker {
    position: absolute;
    color: rgba(148, 163, 184, 0.4);
    font-size: 10px;
    font-weight: bold;
}

.joystick-marker.north { top: 5px; left: 50%; transform: translateX(-50%); }
.joystick-marker.south { bottom: 5px; left: 50%; transform: translateX(-50%); }
.joystick-marker.east { right: 5px; top: 50%; transform: translateY(-50%); }
.joystick-marker.west { left: 5px; top: 50%; transform: translateY(-50%); }

/* ========== KEYBOARD SHORTCUTS LEGEND PANEL (HUD Style) ========== */
.keyboard-shortcuts-legend {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 480px;
    max-width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 12px;
    padding: 20px;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.keyboard-shortcuts-legend.visible {
    opacity: 1;
    visibility: visible;
}

.keyboard-shortcuts-legend-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.keyboard-shortcuts-legend-title {
    color: #e2e8f0;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.5px;
}

.keyboard-shortcuts-legend-title i {
    color: #60a5fa;
    font-size: 1.1rem;
}

.keyboard-shortcuts-legend-close {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: #94a3b8;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.2s;
}

.keyboard-shortcuts-legend-close:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: #f87171;
}

.keyboard-shortcuts-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

@media (max-width: 768px) {
    .keyboard-shortcuts-list {
        grid-template-columns: 1fr;
    }
}

.keyboard-shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 6px;
    transition: all 0.2s;
}

.keyboard-shortcut-item:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

.keyboard-shortcut-label {
    color: #cbd5e1;
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    margin-right: 8px;
}

.keyboard-shortcut-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 24px;
    padding: 0 6px;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 4px;
    color: #93c5fd;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.keyboard-shortcut-key.arrow {
    font-size: 0.85rem;
}

/* Custom scrollbar for legend */
.keyboard-shortcuts-legend::-webkit-scrollbar {
    width: 6px;
}
.keyboard-shortcuts-legend::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
}
.keyboard-shortcuts-legend::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.3);
    border-radius: 3px;
}
.keyboard-shortcuts-legend::-webkit-scrollbar-thumb:hover {
    background: rgba(59, 130, 246, 0.5);
}