* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #0f2238;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    color: #ffffff;
    padding: 20px;
    line-height: 1.5;
}

.container {
    width: 900px;
    max-width: 100%;
    margin: 0 auto;
}

.lang-row {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 18px;
}

.lang-btn {
    background: #2a4b73;
    border: none;
    padding: 8px 20px;
    border-radius: 40px;
    font-weight: 700;
    cursor: pointer;
    color: #ffffff;
    font-size: 14px;
    transition: background 0.2s ease;
}

.lang-btn:hover {
    background: #3b6a9e;
}

.form-banner {
    width: 100%;
    margin-bottom: 28px;
}

.form-banner img {
    width: 100%;
    height: auto;
    border-radius: 18px;
    display: block;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

#assessmentForm {
    width: 100%;
}

.form-section {
    background: rgba(28, 53, 83, 0.5);
    border: 1px solid #2e4a70;
    border-radius: 20px;
    padding: 24px 28px 26px;
    margin-bottom: 18px;
    width: 100%;
}

.form-section legend {
    background: #0f2238;
    padding: 0 16px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #e2e8f0;
    border-radius: 40px;
    border: 1px solid #2e4a70;
    margin-left: 8px;
}

.section-title {
    margin-bottom: 18px;
    font-size: 1rem;
    font-weight: 500;
    border-left: 3px solid #3b82f6;
    padding-left: 12px;
    color: #f1f5f9;
}

.section-hint {
    font-size: 14px;
    color: #ffffff;
    margin-bottom: 22px;
}

.field {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.field label {
    font-size: 12px;
    color: #8fa5bc;
    margin-bottom: 8px;
}

.field input {
    width: 100%;
    min-height: 48px;
    background: #1c3553;
    border: 1px solid #2e4a70;
    border-radius: 12px;
    padding: 12px 14px;
    color: #ffffff;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input::placeholder {
    color: #8fa5bc;
}

.field input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

.error-box {
    display: none;
    margin-top: 14px;
    padding: 12px 14px;
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid #f87171;
    border-radius: 12px;
    color: #f87171;
    font-size: 13px;
}

.submit-btn {
    display: block;
    width: 100%;
    margin: 0;
    padding: 14px 18px;
    background: #3b82f6;
    border: none;
    border-radius: 14px;
    color: #ffffff;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: background 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

.submit-btn:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.submit-btn:disabled,
.lang-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

body.ar {
    direction: rtl;
    text-align: right;
}

body.ar .lang-row {
    justify-content: flex-start;
}

body.ar .form-section legend {
    margin-left: 0;
    margin-right: 8px;
}

body.ar .section-title {
    border-left: none;
    border-right: 3px solid #3b82f6;
    padding-left: 0;
    padding-right: 12px;
}

@media (max-width: 768px) {
    body {
        padding: 14px;
    }

    .form-section {
        padding: 20px 18px 22px;
    }

    .submit-btn {
        width: 100%;
    }
}