:root {
    --primary: #E17055;
    --secondary: #FAB1A0;
    --accent: #00CEC9;
    --background: #1A0F0A;
    --text: #F5F6FA;
    --border: #2D3436;
    --glass: rgba(45, 52, 54, 0.7);
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    background-color: var(--background);
    color: var(--text);
    overflow: hidden;
    touch-action: none;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-image: radial-gradient(circle at 50% 50%, #2d3436 0%, #1a0f0a 100%);
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

#hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-sizing: border-box;
    z-index: 10;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

#level-info {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--primary);
}

#goal-info {
    font-size: 1em;
    color: var(--secondary);
    text-align: center;
    flex-grow: 1;
}

#status-message {
    font-weight: bold;
    text-shadow: 0 0 5px rgba(0,0,0,0.5);
}

#gameCanvas {
    flex-grow: 1;
    background: transparent;
    cursor: crosshair;
}

#sidebar {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    height: 90px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    overflow-x: auto;
    z-index: 10;
    padding: 10px 20px;
    box-sizing: border-box;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.component-palette {
    display: flex;
    gap: 15px;
}

.palette-item {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: grab;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.palette-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 5px 15px rgba(0,206,201,0.2);
}

.palette-item:active {
    cursor: grabbing;
    transform: scale(0.95);
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 15, 10, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 20;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
}

.screen.active {
    opacity: 1;
    pointer-events: auto;
}

h1 {
    font-size: 4em;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

h2 {
    font-size: 2.5em;
    color: var(--text);
    margin-bottom: 30px;
}

button {
    background: linear-gradient(45deg, var(--primary), #d63031);
    color: var(--text);
    border: none;
    padding: 15px 40px;
    font-size: 1.5em;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin: 10px;
    font-family: var(--font-family);
    box-shadow: 0 4px 15px rgba(225, 112, 85, 0.4);
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
}

button:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(225, 112, 85, 0.6);
}

button:active {
    transform: translateY(1px) scale(0.98);
}

.tooltip {
    position: absolute;
    background: rgba(45, 52, 54, 0.95);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    pointer-events: none;
    font-size: 0.9em;
    z-index: 100;
    display: none;
    white-space: nowrap;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    line-height: 1.4;
}

@keyframes shake {
    0% { transform: translate(1px, 1px) rotate(0deg); }
    10% { transform: translate(-1px, -2px) rotate(-1deg); }
    20% { transform: translate(-3px, 0px) rotate(1deg); }
    30% { transform: translate(3px, 2px) rotate(0deg); }
    40% { transform: translate(1px, -1px) rotate(1deg); }
    50% { transform: translate(-1px, 2px) rotate(-1deg); }
    60% { transform: translate(-3px, 1px) rotate(0deg); }
    70% { transform: translate(3px, 1px) rotate(-1deg); }
    80% { transform: translate(-1px, -1px) rotate(1deg); }
    90% { transform: translate(1px, 2px) rotate(0deg); }
    100% { transform: translate(1px, -2px) rotate(-1deg); }
}

.shake {
    animation: shake 0.5s;
    animation-iteration-count: 1;
}

/* Scrollbar for palette */
#sidebar::-webkit-scrollbar {
    height: 6px;
}
#sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 3px;
}