:root {
    --bg-color: #030712;
    --cyan: #06b6d4;
    --cyan-glow: rgba(6, 182, 212, 0.4);
    --green: #10b981;
    --dark-panel: rgba(15, 23, 42, 0.6);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    height: 100vh;
    overflow: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Radar & Grid Background */
.radar-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    background-image: 
        linear-gradient(var(--cyan-glow) 1px, transparent 1px),
        linear-gradient(90deg, var(--cyan-glow) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.15;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px) translateZ(-200px); }
}

.radar-scanner {
    position: absolute;
    width: 80vmin;
    height: 80vmin;
    border-radius: 50%;
    border: 1px solid var(--cyan-glow);
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.1) inset;
    opacity: 0.5;
}

.radar-scanner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan));
    transform-origin: 0 50%;
    animation: scan 4s linear infinite;
    box-shadow: 0 0 10px var(--cyan);
}

.radar-scanner::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, rgba(6, 182, 212, 0.2) 0deg, transparent 60deg);
    animation: scan-bg 4s linear infinite;
}

@keyframes scan {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

@keyframes scan-bg {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Airspace for planes */
#airspace {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.plane {
    position: absolute;
    fill: var(--text-muted);
    filter: drop-shadow(0 0 8px var(--cyan-glow));
}

/* Main Container & Glassmorphism Panel */
.container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 600px;
    padding: 20px;
}

.glass-panel {
    background: var(--dark-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(6, 182, 212, 0.2);
    overflow: hidden;
    transform: translateY(20px);
    opacity: 0;
    animation: panelAppear 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.2s;
}

@keyframes panelAppear {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.panel-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.window-controls {
    display: flex;
    gap: 8px;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background-color: #ef4444; }
.control.yellow { background-color: #f59e0b; }
.control.green { background-color: #10b981; }

.panel-title {
    flex: 1;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.panel-body {
    padding: 40px;
    display: flex;
    align-items: center;
    text-align: center;
    flex-direction: column;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #f59e0b;
    border-radius: 50%;
    box-shadow: 0 0 10px #f59e0b;
    animation: pulse 1.5s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.4; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1.2); }
}

.status-text {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: #fbd38d;
}

.main-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #fff 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(6, 182, 212, 0.3);
}

/* Terminal Area */
.terminal {
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-align: left;
    height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.8);
    border: 1px solid rgba(255,255,255,0.05);
}

.terminal-output {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 8px;
    overflow: hidden;
}

.line {
    color: var(--cyan);
    animation: typeLine 0.1s ease-out forwards;
}

.line.error { color: #f87171; }
.line.warn { color: #fbbf24; }
.line.success { color: #34d399; }

@keyframes typeLine {
    from { opacity: 0; transform: translateX(-5px); }
    to { opacity: 1; transform: translateX(0); }
}

.terminal-input {
    display: flex;
    gap: 8px;
    color: #fff;
    margin-top: auto;
}

.prompt {
    color: var(--green);
}

.cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.eta-container {
    margin-top: 30px;
}

.eta-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.eta-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--cyan);
    letter-spacing: 1px;
}

@media (max-width: 480px) {
    .main-title { font-size: 2rem; }
    .panel-body { padding: 24px; }
}