body {
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #e0e7ff 0%, #f4f7fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
}
.customer-container {
    max-width: 420px;
    width: 95vw;
    margin: 0 auto;
    background: #fff;
    border-radius: 22px;
    box-shadow: 0 8px 32px rgba(0,123,255,0.10), 0 1.5px 8px rgba(0,0,0,0.04);
    padding: 32px 16px 24px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1.5px solid #e0e7ff;
    position: relative;
    top: 0;
    left: 0;
    transform: none;
}
h2 {
    text-align: center;
    color: #2d3a4b;
    font-size: 2rem;
    letter-spacing: 1px;
    margin-bottom: 32px;
}
.form-group {
    margin-bottom: 22px;
}
label {
    display: block;
    margin-bottom: 8px;
    color: #2d3a4b;
    font-weight: 500;
}
input[type="text"],
input[type="tel"] {
    width: 100%;
    padding: 12px 10px;
    border: 1px solid #e0e7ff;
    border-radius: 6px;
    font-size: 1rem;
    background: #f7f9fc;
    transition: border 0.2s;
}
input[type="text"]:focus,
input[type="tel"]:focus {
    border: 1.5px solid #007bff;
    outline: none;
    background: #e9eef6;
}
.queue-btn {
    width: 100%;
    padding: 12px 0;
    font-size: 1.1rem;
    color: #fff;
    background: linear-gradient(90deg, #007bff 60%, #0056b3 100%);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,123,255,0.08);
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
}
.queue-btn:hover {
    background: linear-gradient(90deg, #0056b3 60%, #007bff 100%);
    box-shadow: 0 4px 16px rgba(0,123,255,0.15);
    transform: scale(1.03);
}
.queue-number {
    margin-top: 48px;
    margin-bottom: 40px;
    text-align: center;
    font-size: 2.2rem;
    color: #2d3a4b;
    font-weight: 700;
    background: #fff;
    border-radius: 18px;
    padding: 32px 0 28px 0;
    box-shadow: 0 8px 32px rgba(0,123,255,0.10), 0 2px 8px rgba(76,175,80,0.10);
    letter-spacing: 1.5px;
    border: 3px solid #007bff;
    max-width: 340px;
    margin-left: auto;
    margin-right: auto;
    transition: box-shadow 0.3s, border 0.3s;
    animation: pop-in 0.5s cubic-bezier(.68,-0.55,.27,1.55);
    position: relative;
}
.queue-number::after {
    /* content: 'Please wait for your turn'; */
    display: block;
    font-size: 1.1rem;
    color: #888;
    margin-top: 18px;
    font-weight: 400;
    letter-spacing: 0.5px;
}
.input-error {
    border: 1.5px solid #e53935 !important;
    box-shadow: 0 0 0 2px #ffebee;
}
.customer-footer {
    text-align: center;
    margin-top: 18px;
    color: #888;
    font-size: 0.98rem;
}
@keyframes pop-in {
    0% { transform: scale(0.7); opacity: 0; }
    80% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}
@media (max-width: 600px) {
    body {
        align-items: center;
        justify-content: center;
    }
    .customer-container {
        max-width: 98vw;
        width: 98vw;
        min-width: 0;
        margin: 0;
        border-radius: 16px;
        box-shadow: 0 4px 16px rgba(0,123,255,0.10);
        padding: 18px 4vw 18px 4vw;
    }
    h2 {
        font-size: 1.3rem;
        margin-bottom: 18px;
    }
    .form-group label {
        font-size: 1rem;
    }
    .form-group input,
    .form-group select {
        font-size: 1rem;
        padding: 12px 10px;
    }
    .queue-btn {
        font-size: 1rem;
        padding: 14px 0;
    }
}

/* Make the mobile input row look unified and responsive */
.form-group > div[style*="display: flex"] {
    display: flex !important;
    flex-direction: row !important;
    gap: 0 !important;
    width: 100%;
    background: #f7f9fc;
    border-radius: 10px;
    border: 1.5px solid #e0e7ff;
    box-shadow: 0 1.5px 6px rgba(0,123,255,0.04);
    padding: 0;
    margin-bottom: 0;
    align-items: center;
}

select#countryCode {
    width: 80px !important;
    min-width: 60px;
    max-width: 100px;
    font-size: 1.08rem;
    padding: 13px 6px 13px 12px;
    border-radius: 10px 0 0 10px;
    border: none;
    background: transparent;
    box-shadow: none;
    margin-bottom: 0;
    transition: border 0.2s, box-shadow 0.2s;
    outline: none;
}

input#mobile {
    width: 100% !important;
    font-size: 1.08rem;
    padding: 13px 12px;
    border-radius: 0 10px 10px 0;
    border: none;
    background: transparent;
    box-shadow: none;
    margin-bottom: 0;
    transition: border 0.2s, box-shadow 0.2s;
    outline: none;
}

input#mobile.input-error {
    background: #fff0f0;
}

@media (max-width: 600px) {
    .form-group > div[style*="display: flex"] {
        border-radius: 8px;
    }
    select#countryCode {
        border-radius: 8px 0 0 8px;
        font-size: 0.98rem;
        padding: 11px 4px 11px 8px;
    }
    input#mobile {
        border-radius: 0 8px 8px 0;
        font-size: 0.98rem;
        padding: 11px 8px;
    }
}