:root {
    --bg-color: #f4f0ea;
    --text-color: #111111;
    --border-color: #111111;
    --accent: #84cc16;
    --card-1: #ff90e8;
    --card-2: #ffc900;
    --card-3: #22d3ee;
    --card-4: #a3e635;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow: hidden;
}

.container {
    height: 100vh;
    width: 100vw;
    position: relative;
    padding: 2rem;
}

.draggable {
    position: absolute;
    cursor: grab;
    user-select: none;
    z-index: 10;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.5s ease;
}

.draggable:active {
    cursor: grabbing;
    z-index: 100;
    transform: scale(1.05) rotate(2deg);
}

.back-link {
    top: 2rem; left: 2rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 700;
    font-family: 'Space Mono', monospace;
    border: 2px solid var(--border-color);
    padding: 0.5rem 1rem;
    background: #fff;
    box-shadow: 4px 4px 0 var(--border-color);
}

.title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    letter-spacing: -2px;
    width: 100%;
    text-align: center;
    top: 20%;
}

.subtitle {
    font-family: 'Space Mono', monospace;
    font-size: 1.2rem;
    background: #fff;
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    box-shadow: 4px 4px 0 var(--accent);
    top: 40%;
    left: 50%;
    transform: translateX(-50%) rotate(-1deg);
}

.box {
    width: 100px;
    height: 100px;
    border: 3px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 900;
    box-shadow: 6px 6px 0 var(--border-color);
}

.main-btn {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    padding: 1rem 2rem;
    background-color: var(--accent);
    color: #fff;
    border: 4px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 8px 8px 0 var(--border-color);
    transform: translateX(-50%);
}

#end-message {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.hidden { display: none !important; }

/* Snapping animation */
.snapping {
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}