/* =================================================
   VARIABLES & RESET
   ================================================= */
:root {
    --bg-base: #05050A;
    --primary: #8B5CF6;
    --primary-glow: #A855F7;
    --secondary: #6D28D9;
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(139, 92, 246, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none; /* Custom Cursor enabled */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* =================================================
   CUSTOM CURSOR
   ================================================= */
.cursor-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    background: var(--text-main);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
}

.cursor-glow {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(168, 85, 247, 0.5);
    background: radial-gradient(circle, rgba(139,92,246,0.2) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background-color 0.2s;
    backdrop-filter: blur(2px);
}

/* =================================================
   BACKGROUND (AURORA, NEBULA, NOISE)
   ================================================= */
.bg-noise {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)" opacity="0.05"/%3E%3C/svg%3E');
    pointer-events: none;
    z-index: 0;
}

.aurora-container {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.aurora-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
    width: 500px; height: 500px;
    background: var(--secondary);
    top: -100px; left: -100px;
}

.blob-2 {
    width: 400px; height: 400px;
    background: var(--primary);
    bottom: -50px; right: -50px;
    animation-delay: -5s;
}

.blob-3 {
    width: 600px; height: 400px;
    background: var(--primary-glow);
    top: 30%; left: 30%;
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 30px) scale(1.1); }
}

#universe-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: 2;
    pointer-events: none;
}

/* =================================================
   LAYOUT & GLASSMORPHISM
   ================================================= */
.app-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 900px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.header {
    text-align: center;
}

.logo-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(to right, #fff, var(--primary-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.logo-title span {
    font-weight: 300;
}

.creator {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 24px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* =================================================
   SPEEDOMETER
   ================================================= */
.speedometer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    margin-bottom: 1rem;
}

.speedometer-svg {
    width: 100%;
    max-width: 400px;
    overflow: visible;
}

.gauge-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 12;
    stroke-linecap: round;
}

.gauge-progress {
    fill: none;
    stroke: url(#gauge-gradient);
    stroke-width: 12;
    stroke-linecap: round;
    stroke-dasharray: 251.2; /* Math.PI * 80 */
    stroke-dashoffset: 251.2;
    transition: stroke-dashoffset 0.1s linear;
}

.needle {
    fill: #ffffff;
}

.needle-center {
    fill: var(--primary-glow);
}

#needle-group {
    transition: transform 0.1s linear;
}

.live-metric {
    position: absolute;
    bottom: -10px;
    text-align: center;
}

#live-value {
    font-size: 3rem;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
}

.live-unit {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.live-label {
    font-size: 0.9rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 5px;
    transition: opacity 0.3s;
}

/* =================================================
   METRICS GRID
   ================================================= */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.metric-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.metric-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(109, 40, 217, 0.2);
    border-color: rgba(168, 85, 247, 0.3);
}

.metric-icon {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-title {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.2rem;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 600;
}

.metric-value small {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

.status-text {
    font-size: 1.2rem;
}

/* =================================================
   INFO BAR & BUTTONS
   ================================================= */
.device-info-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    color: white;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255,255,255,0.1);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
    z-index: 1;
}

.btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-primary {
    background: linear-gradient(45deg, var(--secondary), var(--primary-glow));
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.7);
}

.btn-danger {
    background: rgba(220, 38, 38, 0.8);
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn:disabled {
    opacity: 0.5;
    pointer-events: none;
}

.footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* =================================================
   RESPONSIVE
   ================================================= */
@media (max-width: 768px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .logo-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    .device-info-bar {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    .controls {
        flex-direction: column;
    }
    .btn {
        width: 100%;
    }
}