/* Language Switcher Styles */
.lang-switcher {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 2rem 0;
    font-size: 1rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.lang-switcher-label {
    margin-right: 0.5rem;
}

.lang-switcher-btn {
    background: #fff;
    color: #222;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 0.3rem 0.9rem;
    margin: 0 0.1rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.lang-switcher-btn.active,
.lang-switcher-btn:focus {
    background: #222;
    color: #fff;
    outline: none;
}

.lang-switcher-btn:hover:not(.active) {
    background: #eee;
}

* {
    box-sizing: border-box;
}

.top-nav {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 0 0 2rem 0;
}

.top-nav a {
    color: #fff;
    background: #222;
    padding: 0.5em 1.2em;
    border: 1px solid #444;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
}

.top-nav a:hover {
    background: #333;
}

/* Accessibility and Validation Styles */

#successDialog {
    width: 50%;
    border: 2px solid #38a169;
    background-color: #c6f6d5;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    color: #38a169;
    font-weight: 600;
    margin: auto;

    form button {
        background: linear-gradient(135deg, #38a169 0%, #68d391 100%);
        color: white;
        border: none;
        padding: 0.75rem 2rem;
        font-size: 1rem;
        font-weight: 600;
        border-radius: 12px;
        cursor: pointer;
        box-shadow: 0 4px 16px rgba(56, 161, 105, 0.15);
    }

    .validation-summary {
        background-color: #ffcccc !important;
        border-color: #000000 !important;
        color: #000000 !important;
        border-width: 3px !important;
        font-weight: 700 !important;
    }

    .validation-summary button,
    .error-nav-button {
        background-color: #000000 !important;
        color: #ffffff !important;
        border: 2px solid #ffffff !important;
        font-weight: 700 !important;
    }

    .validation-summary button:hover,
    .error-nav-button:hover {
        background-color: #333333 !important;
        color: #ffffff !important;
    }

    .validation-summary button:focus,
    .error-nav-button:focus {
        outline: 3px solid #000000 !important;
        outline-offset: 2px !important;
        background-color: #ffffff !important;
        color: #000000 !important;
    }

    .validation-focused {
        outline: 4px solid #000000 !important;
        outline-offset: 2px !important;
        box-shadow: 0 0 0 8px rgba(0, 0, 0, 0.3) !important;
    }

    .skip-to-error {
        background: #000000 !important;
        color: #ffffff !important;
        border: 2px solid #ffffff !important;
    }

    .skip-to-error:focus {
        background: #ffffff !important;
        color: #000000 !important;
        outline: 3px solid #000000 !important;
    }

    .keyboard-nav-instructions {
        background: #f0f0f0 !important;
        border: 2px solid #000000 !important;
        color: #000000 !important;
        font-weight: 600 !important;
    }
}


#errorForm {
    display: none;
    border: 2px solid #ff6b6b;
    background: #ff6b6b;
    border-radius: 8px;
    padding: 1rem;
    margin: 2rem auto;
    color: #a00;
    font-weight: 600;
    position: relative;
    margin: 0 3rem;
    margin-bottom: 2rem;

    .close-message {
        position: absolute;
        right: 1rem;
        top: 1rem;
        cursor: pointer;
        color: #a00;
        font-size: 1.2rem;
    }

}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .validation-error {
        animation: none !important;
    }

    * {
        transition: none !important;
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #f1f1f1;
    background: linear-gradient(135deg, #000000 20%, #343434 100%);
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

.survey-form {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    box-shadow:
        0 32px 64px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    padding: 0;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.survey-form h1 {
    background: #181818;
    color: #f1f1f1;
    margin: 0;
    padding: 3rem 2rem;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.survey-form h1::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.survey-form h3 {
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 2rem 0;
    padding: 2rem 2rem 0 2rem;
    position: relative;
}

.survey-form section {
    margin-bottom: 0;
    padding: 0 2rem 2rem 2rem;
}

.survey-form div {
    margin-bottom: 1rem;
    padding: 1.5rem;
    border-radius: 16px;
    position: relative;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.survey-form .question-title {
    display: block;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.5;
    position: relative;
    padding: 5px 0;
    border: 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.199);
    border-radius: 0;
}

.survey-form .radio-group,
.survey-form .checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: start;
    padding: 0;
    border: 0;
}

.survey-form input[type="radio"],
.survey-form input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.survey-form input[type="radio"]+label,
.survey-form input[type="checkbox"]+label {
    display: flex;
    align-items: center;
    font-weight: 400;
    cursor: pointer;
    color: #4a5568;
    padding: 1rem 1.5rem;
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.survey-form input[type="radio"]+label::before,
.survey-form input[type="checkbox"]+label::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e0;
    margin-right: 12px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.survey-form input[type="radio"]+label::before {
    border-radius: 50%;
}

.survey-form input[type="checkbox"]+label::before {
    border-radius: 4px;
}

.survey-form input[type="radio"]:checked+label::before {
    border-color: #d6d6d6;
    background: #d6d6d6;
    box-shadow: inset 0 0 0 4px white;
}

.survey-form input[type="checkbox"]:checked+label::before {
    border-color: #d6d6d6;
    background: #d6d6d6;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="white"><path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/></svg>');
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

.survey-form input[type="radio"]:checked+label,
.survey-form input[type="checkbox"]:checked+label {
    background: #222;
    color: #f1f1f1;
    border-color: #444;
    transform: scale(1.01);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.survey-form input[type="radio"]+label:hover,
.survey-form input[type="checkbox"]+label:hover {
    border-color: #d6d6d6;
}

.survey-form input {
    width: 100%;
    min-height: 10px;
    padding: 0.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    background: #f7fafc;
}

.survey-form input:focus {
    outline: none;
    border-color: #d6d6d6;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.survey-form .ranked-instruction {
    background: #e6fffa;
    border: 1px solid #81e6d9;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #234e52;
    text-align: center;
}

.survey-form .ranked-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0;
    border: 0;
}

.survey-form .ranked-item {
    display: flex;
    align-items: center;
    padding: 0;
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: grab;
    user-select: none;
    margin: 0.3rem 0;
}

.survey-form .ranked-item:hover {
    border-color: #d6d6d6;
    background: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.survey-form .ranked-item.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
    cursor: grabbing;
    z-index: 1000;
}

.survey-form .drag-handle {
    color: #a0aec0;
    font-size: 1.2rem;
    margin-right: 1rem;
    cursor: grab;
    line-height: 1;
    user-select: none;
}

.survey-form .ranked-item.dragging .drag-handle {
    cursor: grabbing;
}

.survey-form .rank-number {
    background: linear-gradient(135deg, #898989 0%, #0c0710 100%);
    color: #f1f1f1;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    margin-right: 1rem;
    margin-bottom: 0rem;
    flex-shrink: 0;
}

.survey-form .ranked-label {
    font-weight: 500;
    color: #4a5568;
    flex: 1;
    margin: 0;
    padding: 0;
}

.survey-form .consent-label {
    font-weight: 500;
    color: #2d3748;
    line-height: 1.5;
    cursor: pointer;
    margin: 0;
    padding: 0 !important;
    background: none !important;
    border: none !important;
    display: block;
    border-radius: 0 !important;
    transform: none !important;
    box-shadow: none !important;
}

.survey-form .consent-label::before {
    display: none !important;
}

.consent-wrapper {
    padding: 0 !important;
}

.survey-form table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 1rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.survey-form table th {
    background: linear-gradient(135deg, #898989 50%, #0c0710 80%);
    color: #f1f1f1;
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    position: relative;
}

.survey-form table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.354);
    background: white;
    color: black;
}

.survey-form table td:first-child {
    text-align: left;
    font-weight: 500;
    background: #f8fafc;
}

.survey-form table tr:last-child td {
    border-bottom: none;
}

.survey-form table input[type="radio"] {
    position: relative;
    opacity: 1;
    pointer-events: auto;
    margin: 0;
    width: 20px;
    height: 20px;
    cursor: pointer;
    appearance: auto;
}

.survey-form table label {
    display: block;
    width: 20px;
    height: 20px;
    cursor: pointer;
    position: relative;
}

.survey-form table input[type="radio"]+label {
    background: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    transform: none !important;
    box-shadow: none !important;
    display: block;
    grid-template-columns: none;
    align-items: initial;
}

.survey-form table input[type="radio"]+label::before {
    display: none !important;
}

.survey-form table input[type="radio"]:checked+label {
    background: none !important;
    color: inherit !important;
    border: none !important;
    transform: none !important;
    box-shadow: none !important;
}

.survey-form table input[type="radio"]+label:hover {
    background: none !important;
    border: none !important;
    transform: none !important;
}

.survey-form button {
    background: #111;
    color: #f1f1f1;
    border: none;
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: block;
    margin: 0 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.survey-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(52, 53, 56, 0.4);

}

/* Validation Error Styles */
.survey-form .question .validation-error {
    display: none;
    border-left: 4px solid #333;
    background: #222;
    border-radius: 12px;
    margin-top: 1rem;
}

.survey-form .error-message {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
    margin: 0.5rem 0 1rem 0;
    padding: 0.75rem 1rem;
    background: #111;
    border: 1px solid #333;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.survey-form .error-message::before {
    content: '⚠';
    font-size: 1rem;
    flex-shrink: 0;
}

.survey-form input.validation-error,
.survey-form select.validation-error,
.survey-form textarea.validation-error {
    border-color: #333;
    background: #222;
    box-shadow: 0 0 0 3px #111;
}

.survey-form input.validation-error:focus,
.survey-form select.validation-error:focus,
.survey-form textarea.validation-error:focus {
    border-color: #333;
    box-shadow: 0 0 0 4px #111;
}

.survey-form .validation-error input[type="radio"]+label,
.survey-form .validation-error input[type="checkbox"]+label {
    border-color: #333;
    background: #222;
}

.survey-form .validation-error input[type="radio"]+label::before,
.survey-form .validation-error input[type="checkbox"]+label::before {
    border-color: #333;
}

.survey-form .validation-error table {
    border: 2px solid #333;
}

.survey-form .validation-error .ranked-item {
    border-color: #333;
    background: #222;
}

/* Success state styles */
.survey-form .question.validation-success {
    border-left: 4px solid #38a169;
}

.survey-form input.validation-success,
.survey-form select.validation-success,
.survey-form textarea.validation-success {
    border-color: #38a169;
    box-shadow: 0 0 0 3px rgba(56, 161, 105, 0.1);
}

.survey-form .validation-success input[type="radio"]+label,
.survey-form .validation-success input[type="checkbox"]+label {
    border-color: #38a169;
}

.survey-form .validation-success input[type="radio"]+label::before,
.survey-form .validation-success input[type="checkbox"]+label::before {
    border-color: #38a169;
}

/* Validation summary message */
.survey-form .validation-summary {
    background: #111;
    border: 2px solid #333;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
    color: #fff;
    font-weight: 600;
    text-align: center;
}

.survey-form .validation-summary::before {
    content: '⚠';
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0.5rem;
    color: #fff;
}

/* Validation focus state for keyboard navigation */
.survey-form .question.validation-focused {
    outline: 3px solid #d6d6d6;
    outline-offset: 2px;
    border-radius: 12px;
    box-shadow: 0 0 0 6px rgba(102, 126, 234, 0.2);
    animation: focusPulse 1s ease-in-out;
}

/* Focus pulse animation for better visibility */
@keyframes focusPulse {
    0% {
        box-shadow: 0 0 0 6px rgba(102, 126, 234, 0.2);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(102, 126, 234, 0.3);
    }

    100% {
        box-shadow: 0 0 0 6px rgba(102, 126, 234, 0.2);
    }
}

/* Error navigation button styling */
.error-nav-button {
    background: #e53e3e !important;
    color: white !important;
    border: none !important;
    padding: 0.5rem 1rem !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    font-size: 0.9rem !important;
    font-weight: 500 !important;
    transition: all 0.2s ease !important;
    margin: 0.25rem !important;
}

.error-nav-button:hover {
    background: #c53030 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 8px rgba(229, 62, 62, 0.3) !important;
}

.error-nav-button:focus {
    outline: 2px solid #e53e3e !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 4px rgba(229, 62, 62, 0.2) !important;
}

.error-nav-button:active {
    transform: translateY(0) !important;
    box-shadow: 0 2px 4px rgba(229, 62, 62, 0.3) !important;
}

/* Enhanced keyboard navigation instructions */
.keyboard-nav-instructions {
    font-size: 0.8rem !important;
    color: #666 !important;
    margin-top: 0.5rem !important;
    text-align: center !important;
    padding: 0.5rem !important;
    background: rgba(102, 126, 234, 0.05) !important;
    border-radius: 4px !important;
    border: 1px solid rgba(102, 126, 234, 0.1) !important;
}

/* Skip to error link for keyboard users */
.skip-to-error {
    position: absolute !important;
    top: -40px !important;
    left: 6px !important;
    background: #d6d6d6 !important;
    color: white !important;
    padding: 8px !important;
    text-decoration: none !important;
    border-radius: 4px !important;
    font-size: 0.9rem !important;
    font-weight: 500 !important;
    z-index: 1000 !important;
    transition: top 0.2s ease !important;
}

.skip-to-error:focus {
    top: 6px !important;
    outline: 2px solid white !important;
    outline-offset: 2px !important;
}

/* Smooth transitions for validation states */
.survey-form .question,
.survey-form input,
.survey-form select,
.survey-form textarea,
.survey-form input[type="radio"]+label,
.survey-form input[type="checkbox"]+label {
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .survey-form {
        border-radius: 16px;
        margin: 10px 0;
    }

    .survey-form h1 {
        font-size: 2rem;
        padding: 2rem 1rem;
    }

    .survey-form h3 {
        padding: 1.5rem 1rem 0 1rem;
    }

    .survey-form section {
        padding: 0 1rem 1.5rem 1rem;
    }

    .survey-form div {
        padding: 1.5rem;
    }

    .survey-form .radio-group,
    .survey-form .checkbox-group {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .survey-form input[type="radio"]+label,
    .survey-form input[type="checkbox"]+label {
        padding: 1rem;
    }

    .survey-form table th,
    .survey-form table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.9rem;
    }

    .survey-form button {
        padding: 1rem 2rem;
        margin: 2rem auto;
    }

    .survey-form .error-message {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
    }

    .survey-form .validation-summary {
        padding: 1rem;
        margin: 1.5rem 0;
    }
}