* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

body {
    overflow: hidden;
    background-color: #0a0a0c;
    color: #f5f5f7;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #050507;
    background-image: radial-gradient(circle at center, rgba(255, 42, 59, 0.08) 0%, transparent 60%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s;
}

.loading-overlay.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    max-width: 420px;
    padding: 0 24px;
}

.loading-text-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.loading-kicker {
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #ff2a3b;
    font-weight: 700;
}

.loading-title {
    font-size: 2.0rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #ffffff;
    text-transform: uppercase;
    animation: pulse-text 2s ease-in-out infinite; 
}

@keyframes pulse-text {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.loading-bar {
    width: 100%;
    max-width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    position: relative;
    overflow: hidden;
    margin: 8px 0;
}

.loading-bar span {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 30%;
    background: #ff2a3b;
    box-shadow: 0 0 10px #ff2a3b;
    border-radius: 2px;
    animation: slide-loading 1.2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes slide-loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

.loading-note {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 400;
    letter-spacing: 0.5px;
}

.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
}

.sidebar {
    width: 320px;
    background: linear-gradient(180deg, #141419 0%, #0b0b0d 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.6);
    z-index: 10;
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: #141419;
}

.sidebar::-webkit-scrollbar-thumb {
    background: #2a2a35;
    border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: #ff2a3b;
}

.sidebar h2 {
    font-size: 1.25rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #ffffff;
    border-bottom: 2px solid #ff2a3b;
    padding-bottom: 10px;
    margin-bottom: 4px;
    flex-shrink: 0;
    text-shadow: 0 0 15px rgba(255, 42, 59, 0.2);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-shrink: 0;
}

.mt-auto {
    margin-top: auto;
}

.collapsible-section {
    background-color: rgba(30, 30, 38, 0.6);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    flex-shrink: 0;
    transition: border-color 0.2s;
}

.collapsible-section:hover {
    border-color: rgba(255, 42, 59, 0.3);
}

.collapsible-section summary {
    padding: 14px 16px;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: #1a1a22;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s, color 0.2s;
}

.collapsible-section summary:hover {
    background-color: #22222d;
    color: #ff2a3b;
}

.section-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background-color: rgba(16, 16, 22, 0.4);
}

.material-row {
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    background-color: #121218;
    overflow: hidden;
    transition: border-color 0.2s;
}

.material-row:hover {
    border-color: rgba(255, 42, 59, 0.2);
}

.material-row summary {
    list-style: none;
    padding: 12px 14px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #d1d1d6;
    cursor: pointer;
    user-select: none;
    background-color: #1a1a22;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.material-row summary::-webkit-details-marker {
    display: none;
}

.material-row summary::after {
    content: "";
    width: 6px;
    height: 6px;
    border-right: 2px solid #8a8a93;
    border-bottom: 2px solid #8a8a93;
    transform: rotate(-45deg);
    transition: transform 0.2s ease, border-color 0.2s;
}

.material-row summary:hover::after {
    border-color: #ff2a3b;
}

.material-row[open] summary::after {
    transform: rotate(45deg);
    border-color: #ff2a3b;
}

.material-top {
    padding: 12px 14px 4px;
    display: flex;
    justify-content: flex-end;
}

.color-control {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.color-control span {
    font-size: 0.85rem;
    font-weight: 600;
    color: #a1a1aa;
    text-transform: uppercase;
}

.color-control input[type="color"] {
    justify-self: end;
}

.compact-material .material-top {
    padding: 12px 14px 14px;
}

.compact-material summary {
    background-color: #16161f;
}

.material-row label,
.slider-row label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #a1a1aa;
    text-transform: uppercase;
    cursor: pointer;
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px 14px 14px;
}

.slider-row {
    display: grid;
    grid-template-columns: 86px 1fr;
    align-items: center;
    gap: 10px;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: #272730;
    border-radius: 999px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #ff2a3b;
    cursor: pointer;
    transition: transform 0.1s, background-color 0.1s;
    box-shadow: 0 0 8px rgba(255, 42, 59, 0.5);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: #ff5564;
}

input[type="color"] {
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    background-color: transparent;
    outline: none;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: 2px solid #272730;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

button {
    padding: 14px;
    background: linear-gradient(90deg, #ff2a3b 0%, #c91825 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 42, 59, 0.3);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

button:hover {
    background: linear-gradient(90deg, #ff4151 0%, #e01b2b 100%);
    box-shadow: 0 6px 20px rgba(255, 42, 59, 0.5);
}

button:active {
    transform: scale(0.97);
}

.toggle-switch {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.toggle-switch span {
    font-size: 0.85rem;
    font-weight: 600;
    color: #a1a1aa;
    text-transform: uppercase;
}

.toggle-switch input[type="checkbox"] {
    display: none;
}

.toggle-switch .slider {
    position: relative;
    width: 44px;
    height: 22px;
    background-color: #272730;
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: background-color 0.2s;
}

.toggle-switch .slider::before {
    content: "";
    position: absolute;
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background-color: #9898a0;
    border-radius: 50%;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.2s;
}

.toggle-switch input[type="checkbox"]:checked + .slider {
    background-color: rgba(255, 42, 59, 0.2);
    border-color: #ff2a3b;
}

.toggle-switch input[type="checkbox"]:checked + .slider::before {
    transform: translateX(22px);
    background-color: #ff2a3b;
    box-shadow: 0 0 8px rgba(255, 42, 59, 0.6);
}

#canvas-container {
    flex-grow: 1;
    position: relative;
    background-color: #050507;
}

canvas {
    display: block; 
    width: 100% !important;
    height: 100% !important;
}

.camera-compass {
    position: absolute;
    top: 24px;
    right: 24px;
    display: grid;
    grid-template-columns: 40px 40px 40px;
    grid-template-rows: 40px 40px 40px;
    gap: 6px;
    z-index: 100;
    background-color: rgba(14, 14, 18, 0.85);
    padding: 10px;
    border-radius: 50%;
    border: 1px solid rgba(255, 42, 59, 0.3);
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.7);
}

.compass-btn {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 50%;
    font-size: 0.5rem;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    background-color: #272733;
    color: #ffffff; 
    border: 2px solid #ff2a3b; 
}

.compass-btn:hover {
    background-color: #ff2a3b;
    color: white;
    transform: scale(1.15);
    box-shadow: 0 0 10px rgba(255, 42, 59, 0.5);
}

#btnViewBack { grid-column: 2; grid-row: 1; }
#btnViewLeft { grid-column: 1; grid-row: 2; }
#btnViewTop { grid-column: 2; grid-row: 2; }
#btnViewRight { grid-column: 3; grid-row: 2; }
#btnViewFront { grid-column: 2; grid-row: 3; }

.time-slider-container {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(14, 14, 18, 0.85);
    padding: 16px 28px;
    border-radius: 14px;
    border: 1px solid rgba(255, 42, 59, 0.2);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 340px;
    text-align: center;
}

.time-slider-container label {
    font-size: 0.8rem;
    font-weight: 700;
    color: #a1a1aa;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.time-slider-container #timeDisplay {
    color: #ff2a3b;
    font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-shadow: 0 0 15px rgba(255, 42, 59, 0.4);
}

#timeSlider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 5px;
    background: #272730;
    border-radius: 999px;
    outline: none;
    cursor: pointer;
}

#timeSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #ff2a3b;
    border: 3px solid #ffffff;
    box-shadow: 0 0 15px rgba(255, 42, 59, 0.8);
    transition: transform 0.15s ease, background-color 0.15s ease;
}

#timeSlider::-webkit-slider-thumb:hover {
    transform: scale(1.25);
    background: #ff5564;
}

#timeSlider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #ff2a3b;
    border: 3px solid #ffffff;
    box-shadow: 0 0 15px rgba(255, 42, 59, 0.8);
    transition: transform 0.15s ease, background-color 0.15s ease;
}

#timeSlider::-moz-range-thumb:hover {
    transform: scale(1.25);
    background: #ff5564;
}

.compass-mode-btn-long {
    position: absolute;
    top: 195px;
    right: 32px;
    width: 138px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    background-color: rgba(20, 20, 25, 0.9);
    color: #ffffff;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.6);
    z-index: 100;
}

.compass-mode-btn-long:hover {
    border-color: #ff2a3b;
    background-color: #ff2a3b;
    box-shadow: 0 0 15px rgba(255, 42, 59, 0.4);
}

.compass-mode-btn-long.is-active {
    background-color: #7a151e; 
    border-color: #7a151e;
    color: #490e0e; 
    transform: scale(0.98); 
}

.compass-mode-btn-long.is-active:hover {
    background-color: #8f1924;
    border-color: #8f1924;
}

.fps-counter {
    position: absolute;
    top: 24px;
    left: 24px;
    background: rgba(14, 14, 18, 0.85);
    color: #32d25a;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid rgba(50, 210, 90, 0.2);
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 100;
    pointer-events: none;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.instrument-cluster {
    position: absolute;
    bottom: 26px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    display: flex;
    align-items: stretch;
    gap: 0;
    background: rgba(14, 14, 18, 0.85);
    border: 1px solid rgba(255, 42, 59, 0.2);
    border-radius: 16px;
    padding: 14px 22px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
}

.cluster-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 0 20px;
}

.cluster-divider {
    width: 1px;
    align-self: stretch;
    background: linear-gradient(180deg, transparent, rgba(255, 42, 59, 0.3), transparent);
    margin: 2px 0;
}

.speed-section {
    min-width: 108px;
}

.speed-value-row {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.hud-value-xl {
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 2.6rem;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
    text-shadow: 0 0 12px rgba(255, 255, 255, 0.35);
    min-width: 2.2ch;
    text-align: right;
}

.hud-unit {
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 0.75rem;
    font-weight: 700;
    color: #a1a1aa;
    letter-spacing: 1px;
}

.gear-section {
    min-width: 150px;
}

.gear-readout-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.hud-value-large {
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 2rem;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

#hudGear {
    color: #ff2a3b;
    text-shadow: 0 0 15px rgba(255, 42, 59, 0.5);
}

.gear-selector {
    display: flex;
    flex-direction: row;
    gap: 6px;
}

.gear-selector.disabled {
    opacity: 0.35;
    pointer-events: none;
}

.gear-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.04);
    color: rgba(255,255,255,0.6);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 0;
    cursor: pointer;
    transition: all 0.18s ease;
    box-shadow: none;
}

.gear-btn:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
    transform: none;
    box-shadow: none;
}

#gearBtnN.active { background: rgba(180, 180, 180, 0.25); border-color: #b0b0b0; color: #e0e0e0; }
#gearBtnD.active { background: rgba(50, 210, 90, 0.20); border-color: #32d25a; color: #32d25a; }
#gearBtnR.active { background: rgba(230, 130, 30, 0.22); border-color: #e6821e; color: #e6821e; }

.rpm-section {
    min-width: 150px;
}

.rev-bar-bg {
    width: 100%;
    height: 8px;
    background-color: #272730;
    border-radius: 999px;
    overflow: hidden;
    position: relative;
}

.rev-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #32d25a, #e6821e, #ff2a3b);
    border-radius: 999px;
    transition: width 0.05s linear, background-color 0.1s;
    box-shadow: 0 0 10px rgba(255, 42, 59, 0.4);
}

.telemetry-label {
    display: block;
    font-size: 0.65rem;
    font-weight: 800;
    color: #a1a1aa;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.engine-power-btn {
    position: static;
    width: 68px;
    height: 68px;
    background: radial-gradient(circle at 35% 35%, #2a2a35 0%, #0d0d11 100%);
    color: #a1a1aa;
    border: 3px solid #1c1c24;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0,0,0,0.7), inset 0 2px 4px rgba(255,255,255,0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    padding: 0;
}

.engine-power-btn:hover {
    background: radial-gradient(circle at 35% 35%, #34343f 0%, #131318 100%);
    transform: scale(1.06);
    border-color: #32323f;
    box-shadow: 0 12px 30px rgba(0,0,0,0.8);
}

.engine-power-btn.engine-on:hover {
    background: radial-gradient(circle at 35% 35%, #4a171b 0%, #1f0608 100%);
}

.engine-power-btn:active {
    transform: scale(0.94);
}

.engine-text-small {
    font-size: 0.5rem;
    letter-spacing: 1.2px;
    font-weight: 700;
    text-transform: uppercase;
    opacity: 0.6;
}

.engine-text-large {
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.5px;
    margin-top: 1px;
    color: #ff2a3b;
    text-transform: uppercase;
    transition: color 0.3s, text-shadow 0.3s;
    text-shadow: 0 0 4px rgba(255, 42, 59, 0.2);
}

.engine-power-btn.engine-on {
    border-color: #ff2a3b;
    background: radial-gradient(circle at 35% 35%, #3a1215 0%, #160405 100%);
    box-shadow: 
        0 10px 25px rgba(0,0,0,0.7), 
        0 0 25px rgba(255, 42, 59, 0.5), 
        inset 0 2px 4px rgba(255,255,255,0.1);
}

.engine-power-btn.engine-on .engine-text-large {
    color: #ffffff;
    text-shadow: 0 0 10px #ffffff, 0 0 20px #ff2a3b;
}

.engine-power-btn.engine-on .engine-text-small {
    color: #ff7682;
    opacity: 0.9;
}

.lap-timer {
    position: absolute;
    top: 64px;
    left: 24px;
    background: rgba(14, 14, 18, 0.85);
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255, 42, 59, 0.3);
    z-index: 100;
    pointer-events: none;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lap-time-value {
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 1.3rem;
    font-weight: 800;
    color: #ff2a3b; 
    text-shadow: 0 0 10px rgba(255, 42, 59, 0.4);
}