:root {
    --bg: #0a0a0a;
    --card: #141414;
    --accent: #00f2ff;
    --text: #ffffff;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.counter-box {
    background: var(--card);
    padding: 40px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    width: 320px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.label {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 10px;
}

#display {
    font-size: 6rem;
    margin: 20px 0;
    font-weight: 700;
}

.button-group {
    display: flex;
    gap: 10px;
    justify-content: center;
}

button {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 15px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
    font-size: 0.8rem;
}

button:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 242, 255, 0.05);
}

#resetBtn {
    border-color: #ff4757;
    color: #ff4757;
}

#resetBtn:hover {
    background: rgba(255, 71, 87, 0.1);
}