* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(180deg, #9fd6ff 0%, #d8eeff 55%, #eef7ff 100%);
}

.register-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.register-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 18px;
    padding: 28px;
    box-shadow:
        0 26px 50px rgba(30, 64, 175, 0.16),
        0 8px 20px rgba(15, 23, 42, 0.08);
}

h1 {
    margin-top: 0;
    margin-bottom: 16px;
    color: #0f172a;
}

label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 14px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: #f8fbff;
}

button {
    width: 100%;
    padding: 12px 14px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    font-weight: 700;
    cursor: pointer;
}

.register-message {
    margin-top: 0;
    margin-bottom: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 14px;
}

.register-message[data-type="success"] {
    background: #ecfdf3;
    color: #166534;
}

.register-message[data-type="error"] {
    background: #fef2f2;
    color: #991b1b;
}

.pricing-info {
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 16px;
}

.pricing-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #334155;
    padding: 3px 0;
}

.pricing-row.pricing-total {
    border-top: 1px solid #93c5fd;
    margin-top: 6px;
    padding-top: 8px;
    font-weight: 800;
    font-size: 16px;
    color: #0f172a;
}

.step-subtitle {
    color: #475569;
    font-size: 14px;
    margin: -8px 0 16px;
}

.btn-back {
    width: 100%;
    margin-top: 8px;
    padding: 10px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: transparent;
    color: #475569;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
}

.btn-back:active {
    transform: scale(0.98);
}

.invoice-choice {
    text-align: center;
    padding: 10px 0;
}

.invoice-choice p {
    font-size: 15px;
    color: #334155;
    margin-bottom: 16px;
}

.invoice-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-invoice {
    width: 100%;
    padding: 12px 14px;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    font-size: 14px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
}

.btn-invoice.btn-invoice-no {
    background: transparent;
    border: 1px solid #cbd5e1;
    color: #475569;
}

.btn-invoice:active {
    transform: scale(0.98);
}

.congrats-wrap {
    text-align: center;
    padding: 20px 0;
}

.congrats-icon {
    font-size: 56px;
    margin-bottom: 12px;
}

.congrats-wrap h1 {
    margin-bottom: 8px;
}

.btn-congrats {
    display: inline-block;
    margin-top: 18px;
    padding: 14px 28px;
    border-radius: 12px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
}

.btn-congrats:active {
    transform: scale(0.98);
}

.back-link {
    margin-bottom: 0;
    margin-top: 12px;
    text-align: center;
}

.back-link a {
    color: #1d4ed8;
    text-decoration: none;
}