:root {
    --primary-bg: #030712;
    --accent: #60a5fa;
    --accent-glow: rgba(96, 165, 250, 0.5);
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --font-ui: 'Outfit', sans-serif;
    --font-header: 'Orbitron', sans-serif;
}

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

body {
    background-color: var(--primary-bg);
    color: var(--text-main);
    font-family: var(--font-ui);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

#app {
    position: relative;
    width: 100%;
    height: 100%;
}

#solar-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* HUD Styling */
#hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

header h1 {
    font-family: var(--font-header);
    font-size: 1.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-shadow: 0 0 10px var(--accent-glow);
}

.accent {
    color: var(--accent);
}

#real-time-display {
    font-family: var(--font-header);
    font-size: 1.2rem;
    color: var(--accent);
    background: var(--glass-bg);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: 1px solid var(--glass-border);
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    pointer-events: auto;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

#controls {
    width: 350px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.control-group label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.btn-group-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.btn-group-grid .btn {
    padding: 0.4rem;
    font-size: 0.75rem;
}

#target-name {
    font-family: var(--font-header);
    letter-spacing: 1px;
}

.speed-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
    margin-top: 1rem;
}

.speed-btn {
    padding: 0.8rem 0.4rem !important;
    font-size: 0.9rem !important;
    font-weight: 900 !important;
    background: #ffffff !important;
    color: #000000 !important;
    border: 3px solid #000000 !important;
    transition: all 0.1s ease;
    border-radius: 4px;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 4px 4px 0px rgba(0,0,0,0.2);
}

.speed-btn:hover {
    background: #000000 !important;
    color: #ffffff !important;
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--accent);
}

.speed-btn.active-speed {
    background: #00ff88 !important;
    color: #000000 !important;
    border-color: #000000 !important;
}

.speed-btn.active-speed {
    background: #00ff88 !important; /* Green for active speed */
    color: #000 !important;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.5);
}

.switch {
    margin-bottom: 0.5rem;
}

#debug-console {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    width: 350px;
    height: 300px;
    background: rgba(0, 0, 0, 0.85);
    color: #00ff88;
    font-family: monospace;
    font-size: 0.7rem;
    padding: 12px;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow-y: auto;
    z-index: 10000;
    pointer-events: none;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.log-entry {
    margin-bottom: 4px;
    border-left: 2px solid #333;
    padding-left: 6px;
}

.log-entry.error { color: #ff4444; border-left-color: #ff4444; }
.log-entry.info { color: #60a5fa; border-left-color: #60a5fa; }
.log-entry.success { color: #00ff88; border-left-color: #00ff88; }

.btn {
    background: #ffffff !important;
    color: #000000 !important;
    border: 2px solid #000000 !important;
    font-weight: 800 !important;
    cursor: pointer;
    transition: all 0.1s ease;
}

.btn:hover {
    background: var(--accent) !important;
    color: white !important;
}

.btn.active {
    background: #60a5fa !important;
    color: white !important;
    border-color: white !important;
    box-shadow: 0 0 15px var(--accent-glow);
}

.speed-control {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
    cursor: pointer;
}

input[type="datetime-local"] {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 0.5rem;
    border-radius: 6px;
    font-family: var(--font-ui);
}

#info-panel {
    position: absolute;
    right: 2rem;
    bottom: 2rem;
    width: 250px;
    padding: 1rem;
}

#info-panel h2 {
    font-size: 0.9rem;
    text-transform: uppercase;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.stat {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
}

.stat .label {
    color: var(--text-dim);
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    gap: 10px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: relative;
    width: 40px;
    height: 20px;
    background-color: #334155;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

.label-text {
    font-size: 0.9rem;
    color: var(--text-main);
}

/* Loader */
#loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 100;
    transition: opacity 0.5s ease;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(96, 165, 250, 0.1);
    border-top: 3px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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