:root {
    --bg-color: #080808;
    --panel-bg: rgba(0, 0, 0, 0.6);
    --panel-border: 1px solid rgba(255, 255, 255, 0.1);
    --accent: #00ffaa;
    --accent-glow: 0 0 10px rgba(0, 255, 170, 0.5);
    --danger: #ff3366;
    --text: #ffffff;
    --font-main: 'Space Grotesk', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

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

#ui-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    border-radius: 8px;
    border: var(--panel-border);
    pointer-events: auto;
    /* Allow interaction */
}

h1 {
    font-size: 1.5rem;
    letter-spacing: 2px;
    background: linear-gradient(90deg, #fff, #888);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    /* Reduced gap */
}

.status-bar span {
    font-family: monospace;
    font-size: 0.8rem;
    /* Smaller font */
    color: #888;
    margin-right: 15px;
}

.env-selector select {
    background: rgba(0, 0, 0, 0.3);
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 3px 8px;
    /* Reduced padding */
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 0.8rem;
    /* Smaller font */
    cursor: pointer;
    outline: none;
    text-transform: uppercase;
    backdrop-filter: blur(5px);
}

.env-selector select:hover {
    background: rgba(0, 255, 170, 0.1);
}

.env-selector option {
    background: #111;
    color: #fff;
}

#controls-panel {
    align-self: flex-start;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    /* Reduced gap */
    pointer-events: auto;
    /* Enable clicking */
    width: 200px;
    /* Fixed smaller width */
}

.control-group {
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    padding: 10px;
    /* Reduced padding */
    border-radius: 8px;
    border: var(--panel-border);
    min-width: unset;
    /* Remove min-width constraint */
}

.control-group h3 {
    font-size: 0.6rem;
    /* Smaller header */
    color: #666;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text);
    width: 100%;
    padding: 6px 10px;
    /* Compact padding */
    margin-bottom: 5px;
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 0.7rem;
    /* Smaller font */
    text-align: left;
    transition: all 0.2s;
    border-radius: 4px;
}

button:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

button:active {
    transform: scale(0.98);
}

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

button.accent:hover {
    background: rgba(0, 255, 170, 0.1);
    box-shadow: var(--accent-glow);
}

button.danger-btn {
    border-color: var(--danger);
    color: var(--danger);
}

button.danger-btn:hover {
    background: rgba(255, 51, 102, 0.1);
    box-shadow: 0 0 10px rgba(255, 51, 102, 0.5);
}

.active-state {
    background: var(--accent) !important;
    color: #000 !important;
    font-weight: bold;
}

.instruction-text span {
    color: var(--accent);
}

canvas {
    display: block;
    outline: none;
}

#crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 5;
}

#crosshair::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}