:root {
    --primary: #60a5fa;
    --primary-glow: rgba(96, 165, 250, 0.4);
    --bg: #60a5fa;
    --card: #1e293b;
    --text: #f8fafc;
    --text-dim: #94a3b8;
    --border: #334155;
    --radius: 24px;
}

html, body, .container, main {
    height: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    max-width: none !important;
    display: flex;
    flex-direction: column;
    flex: 1;
}

body {
    background-color: var(--bg);
    font-family: 'Inter', system-ui, sans-serif;
    justify-content: center;
    align-items: center;
}

main[role="main"] {
    justify-content: center;
    align-items: center;
    width: 100%;
}

.text-center {
    width: 90%;
    max-width: 380px;
    padding: 3rem 2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: cardEntrance 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(30px);
        filter: blur(10px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: blur(0);
    }
}

.display-4 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--primary);
    letter-spacing: -1px;
}

label {
    display: block;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 0.5rem;
    padding-left: 4px;
}

input[type="text"] {
    width: 100%;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 2px solid var(--border);
    border-radius: 14px;
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

    input[type="text"]:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 4px var(--primary-glow);
        transform: translateY(-2px);
        background: #0f172a;
    }

p:first-of-type {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-dim);
}

#cost {
    font-size: 4rem;
    font-weight: 900;
    color: #fff;
    margin: 0;
    text-shadow: 0 0 30px var(--primary-glow);
}

.navbar, br {
    display: none !important;
}

.car-animation {
    display: inline-block;
    font-size: 3rem;
    animation: drive 8s linear infinite;
}

@keyframes drive {
    /* Start: Left side, flipped to face RIGHT */
    0%, 100% {
        transform: translateX(-100%) scaleX(-1);
    }
    /* Reach Right: Still facing RIGHT */
    45% {
        transform: translateX(100%) scaleX(-1);
    }
    /* Flip at Right: Now facing LEFT (original emoji state) */
    50% {
        transform: translateX(100%) scaleX(1);
    }
    /* Reach Left: Still facing LEFT */
    95% {
        transform: translateX(-100%) scaleX(1);
    }
    /* Flip at Left: Prepare to face RIGHT again */
    99% {
        transform: translateX(-100%) scaleX(-1);
    }
}

#totalCost {
    visibility: hidden;
}