:root {
    --register-bg: #f5f5f7;
    --register-card-bg: #ffffff;
    --register-text: #1f1f1f;
    --register-muted: #6b6b6b;
    --register-border: rgba(0, 0, 0, 0.06);
    --register-accent: #ffd800;
}

.register-page {
    min-height: 60vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2.5rem 1rem 3rem;
    background: var(--register-bg);
}

.register-page__card {
    width: 100%;
    max-width: 520px;
    background-color: var(--register-card-bg);
    border-radius: 20px;
    border: 1px solid var(--register-border);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.07);
    padding: 2.1rem 2.4rem 2.4rem;
}

.register-page__header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.register-page__title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--register-text);
    margin: 0 0 0.5rem;
    letter-spacing: 0.02em;
}

.register-page__subtitle {
    margin: 0;
    font-size: 0.95rem;
    color: var(--register-muted);
    line-height: 1.6;
}

.register-page__form .form-group {
    margin-bottom: 1rem;
}

.register-page__form label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--register-text);
}

.register-page__form .form-control {
    width: 100%;
    border-radius: 10px;
    border: 1px solid #d3d3d3;
    padding: 0.6rem 0.75rem;
    font-size: 0.95rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    outline: none;
}

    .register-page__form .form-control:focus {
        border-color: #111;
        box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.08);
    }

.register-page__form .btn.btn-primary {
    width: 100%;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    background-color: #111;
    border: 1px solid #111;
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

    .register-page__form .btn.btn-primary:hover {
        background-color: #000;
        transform: translateY(-1px);
        box-shadow: 0 10px 22px rgba(0, 0, 0, 0.25);
    }

.registration-success {
    text-align: center;
    padding: 1.8rem 1.3rem;
    border-radius: 16px;
    background: #e9f9ec;
    border: 1px solid #b7e1c0;
    color: #1b5e20;
}

    .registration-success h2 {
        margin: 0 0 0.75rem;
        font-size: 1.35rem;
        font-weight: 700;
    }

    .registration-success p {
        margin: 0 0 1.2rem;
        font-size: 0.95rem;
    }

    .registration-success .btn.btn-primary {
        display: inline-block;
        width: auto;
        padding-inline: 1.4rem;
        background-color: #111;
        border-color: #111;
    }

.alert.alert-danger {
    margin-bottom: 1.25rem;
    padding: 0.9rem 1rem;
    border-radius: 12px;
    border: 1px solid #f0b4b4;
    background-color: #fff1f1;
    color: #b02626;
    font-size: 0.9rem;
}

    .alert.alert-danger ul {
        margin: 0;
        padding-left: 1.1rem;
    }

    .alert.alert-danger li {
        margin-bottom: 0.15rem;
    }

@media (max-width: 600px) {
    .register-page {
        padding: 2rem 0.75rem 2.5rem;
    }

    .register-page__card {
        padding: 1.8rem 1.5rem 2.1rem;
        border-radius: 16px;
    }

    .register-page__title {
        font-size: 1.7rem;
    }
}