body {
    background: #020617;
    color: #fff;
    font-family: Arial;
    text-align: center;
}

.center {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.card {
    background: #111827;
    padding: 30px;
    border-radius: 12px;
    width: 300px;
    margin: auto;
}

input,
select,
button {
    width: 90%;
    padding: 12px;
    margin: 8px 0;
    border: none;
    border-radius: 6px;
}

button {
    background: #22c55e;
    font-weight: bold;
    cursor: pointer;
}

#reader {
    width: 300px;
    margin: auto;
    border: 5px solid #22c55e;
    border-radius: 15px;
    padding: 10px;
}

/* RESULT SCREENS */
.success-bg {
    background: linear-gradient(135deg, #16a34a, #22c55e);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-bg {
    background: linear-gradient(135deg, #7f1d1d, #dc2626);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.warning-bg {
    background: linear-gradient(135deg, #92400e, #f59e0b);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-box {
    background: #fff;
    color: #111;
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    width: 320px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.icon {
    font-size: 60px;
    margin-bottom: 10px;
}

.icon.success {
    color: #16a34a;
}

.icon.error {
    color: #dc2626;
}

.icon.warning {
    color: #f59e0b;
}

.result-box h1 {
    margin: 10px 0;
}

.zone {
    font-size: 18px;
    margin: 10px 0;
}

.time {
    font-size: 14px;
    color: #555;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 20px;
    background: #16a34a;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
}

.btn.red {
    background: #dc2626;
}

.btn.orange {
    background: #f59e0b;
}