/* --- Ümumi --- */
:root {
    --bd-primary: #0046ad;
    --bd-primary-light: #e7f0ff;
    --bd-border: #d0d0d0;
    --bd-bg: #f6f8fa;
    --bd-radius: 0.625rem;
}

html, body {
    height: 100%;
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    background-color: var(--bd-bg);
    color: #222;
}

/* --- Şəkil (loqo) --- */
.logo {
    width: 100%;
    max-width: 380px;
    display: block;
    margin: 2rem auto 1rem;
    height: auto;
}

/* --- Form konteyner --- */
form {
    width: 100%;
    max-width: 420px;
    margin: 0 auto 3rem;
    background-color: #fff;
    border: 1px solid var(--bd-border);
    border-radius: var(--bd-radius);
    padding: 2rem;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

form:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

/* --- Başlıqlar və mətn --- */
legend, label {
    font-weight: 600;
    color: var(--bd-primary);
}

legend h5 {
    font-size: 1rem;
}

/* --- Form elementləri --- */
input, select {
    width: 100%;
    padding: 0.6rem 0.75rem;
    margin-top: 0.4rem;
    margin-bottom: 1rem;
    border: 1px solid var(--bd-border);
    border-radius: 0.375rem;
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus {
    border-color: var(--bd-primary);
    box-shadow: 0 0 0 3px var(--bd-primary-light);
    outline: none;
}

.invalid-feedback {
    color: #c00;
    font-size: 0.875rem;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
}

/* --- Düymə --- */
button {
    background-color: var(--bd-primary);
    color: #fff;
    border: none;
    border-radius: 0.375rem;
    padding: 0.7rem 1.2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.2s, transform 0.2s;
}

button:hover {
    background-color: #003b93;
    transform: translateY(-1px);
}

/* --- Mobil uyğunlaşma --- */
@media (max-width: 768px) {
    .logo {
        max-width: 75%;
        margin-top: 1.5rem;
    }

    form {
        padding: 1.25rem;
        margin-bottom: 2rem;
    }

    label {
        font-size: 0.95rem;
    }

    button {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .logo {
        max-width: 65%;
    }

    form {
        padding: 1rem;
    }

    input, select {
        font-size: 0.9rem;
        padding: 0.5rem;
    }

    button {
        font-size: 0.9rem;
        padding: 0.6rem;
    }
}