:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;
    --success-color: #48bb78;
    --danger-color: #f56565;
    --warning-color: #ed8936;
    --background-color: #f7fafc;
    --card-background: #ffffff;
    --text-color: #2d3748;
    --text-light: #718096;
    --border-color: #e2e8f0;
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    --gradient-danger: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem 2rem;
}

/* Disclaimer Header */
.disclaimer-header {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
    margin: 0 -2rem 3rem;
    padding: 1.5rem 2rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.disclaimer-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
}

.disclaimer-header .disclaimer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.disclaimer-header p {
    margin: 0.5rem 0;
    font-size: 0.95rem;
    color: var(--text-color);
    line-height: 1.6;
    font-weight: 500;
}

.disclaimer-header .attribution {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--text-light);
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(102, 126, 234, 0.15);
}

.disclaimer-header a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.2s ease;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
}

.disclaimer-header a:hover {
    color: var(--primary-dark);
    background: rgba(102, 126, 234, 0.1);
    text-decoration: none;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    padding: 2rem 0;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 6px;
    background: var(--gradient-primary);
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.header h1 {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    font-weight: 400;
}

/* Legal Disclaimer */
.legal-disclaimer {
    margin: 2rem 0;
    padding: 0 1rem;
}

.disclaimer-box {
    background: linear-gradient(135deg, rgba(237, 137, 54, 0.08) 0%, rgba(245, 101, 101, 0.08) 100%);
    border: 2px solid rgba(237, 137, 54, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.disclaimer-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--warning-color) 0%, var(--danger-color) 100%);
}

.disclaimer-box h3 {
    color: var(--warning-color);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.disclaimer-box p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--text-color);
}

.disclaimer-box ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.disclaimer-box li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
    color: var(--text-color);
}

.disclaimer-box strong {
    color: var(--text-color);
    font-weight: 600;
}

.commercial-restriction {
    margin-top: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 8px;
    position: relative;
}

.commercial-restriction::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 8px 8px 0 0;
}

.commercial-restriction h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.commercial-restriction p {
    margin-bottom: 0.75rem;
    line-height: 1.6;
    color: var(--text-color);
}

.commercial-restriction p:last-child {
    margin-bottom: 0;
}

.commercial-restriction a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.commercial-restriction a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Consent Modal */
.consent-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.consent-modal.show {
    opacity: 1;
    visibility: visible;
}

.consent-modal-content {
    background: var(--card-background);
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-large);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.consent-modal.show .consent-modal-content {
    transform: scale(1);
}

.consent-header {
    background: linear-gradient(135deg, rgba(237, 137, 54, 0.1) 0%, rgba(245, 101, 101, 0.1) 100%);
    padding: 2rem 2rem 1.5rem;
    border-bottom: 2px solid rgba(237, 137, 54, 0.2);
    position: relative;
}

.consent-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--warning-color) 0%, var(--danger-color) 100%);
    border-radius: 16px 16px 0 0;
}

.consent-header h2 {
    color: var(--warning-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.consent-header p {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0;
}

.consent-body {
    padding: 2rem;
}

.consent-body > div {
    margin-bottom: 2rem;
}

.consent-body > div:last-child {
    margin-bottom: 0;
}

.consent-body h3 {
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.consent-body p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--text-color);
}

.consent-body ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.consent-body li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
    color: var(--text-color);
}

.consent-body strong {
    color: var(--text-color);
    font-weight: 600;
}

.consent-body a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.consent-body a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.commercial-section {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 8px;
    padding: 1.5rem;
    position: relative;
}

.commercial-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 8px 8px 0 0;
}

.consent-footer {
    background: var(--background-color);
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 16px 16px;
}

.consent-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.consent-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 0.25rem;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.consent-checkbox label {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.5;
    cursor: pointer;
    user-select: none;
}

.consent-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.consent-decline, .consent-agree {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 120px;
}

.consent-decline {
    background: var(--background-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.consent-decline:hover {
    background: var(--border-color);
    border-color: var(--text-light);
}

.consent-agree {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-light);
}

.consent-agree:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.consent-agree:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Controls */
.controls {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    margin-bottom: 3rem;
    position: relative;
    overflow: visible;
    z-index: 10;
}

.controls::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.controls-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.controls-row + .controls-row {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.file-upload-section {
    margin-bottom: 3rem;
    position: relative;
    z-index: 5;
}

.file-controls {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.file-controls::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.8) 0%, rgba(56, 161, 105, 0.8) 100%);
}

.file-controls-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.file-controls-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(102, 126, 234, 0.15);
}

.file-controls-title {
    font-weight: 700;
    color: var(--text-color);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-controls-note {
    font-size: 0.8rem;
    color: var(--text-light);
    font-style: italic;
    background: rgba(102, 126, 234, 0.08);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.15);
    font-weight: 500;
    white-space: nowrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.control-group label {
    font-weight: 700;
    color: var(--text-color);
    font-size: 1rem;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

#checklist-select {
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    background: var(--card-background);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 250px;
    font-weight: 600;
    box-shadow: var(--shadow-light);
}

#checklist-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

#export-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

#export-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

#export-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-large);
}

#export-btn:hover::before {
    left: 100%;
}

#export-btn:active {
    transform: translateY(-1px);
}

/* Export Dropdown Styles */
.export-dropdown {
    position: relative;
    display: inline-block;
    z-index: 100;
}

.export-main-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.export-main-btn::after {
    content: '▼';
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.export-dropdown:hover .export-main-btn::after {
    transform: rotate(180deg);
}

.export-main-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.export-main-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-large);
}

.export-main-btn:hover::before {
    left: 100%;
}

.export-main-btn:active {
    transform: translateY(-1px);
}

.export-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: var(--shadow-large);
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
    margin-top: 0.5rem;
}

.export-dropdown:hover .export-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.export-option {
    width: 100%;
    padding: 1rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.export-option:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateX(5px);
}

.export-option:first-child {
    border-bottom: 1px solid var(--border-color);
}

/* File Input Styles */
.file-input {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.95rem;
    background: var(--card-background);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 200px;
    box-shadow: var(--shadow-light);
    font-weight: 500;
}

.file-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

.file-input::file-selector-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    margin-right: 0.75rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.file-input::file-selector-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

/* Score Display */
.score-container {
    text-align: center;
    margin-bottom: 3rem;
}

.score-display {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 1.5rem;
}

#score-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(var(--success-color) 0deg, var(--border-color) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-medium);
}

#score-circle::before {
    content: '';
    position: absolute;
    width: 160px;
    height: 160px;
    background: var(--card-background);
    border-radius: 50%;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

#score-text {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-color);
    position: relative;
    z-index: 1;
}

.score-label {
    font-size: 1.25rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Question Card */
.question-card {
    background: var(--card-background);
    border-radius: 24px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.question-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-large);
    border-color: rgba(102, 126, 234, 0.3);
}

.article-title {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 800;
    color: white;
    background: var(--gradient-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: var(--shadow-light);
    position: relative;
    z-index: 1;
}

.question-card p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.button-group .answer-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.yes-btn, .no-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.yes-btn {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-light);
}

.yes-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.no-btn {
    background: var(--gradient-danger);
    color: white;
    box-shadow: var(--shadow-light);
}

.no-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.yes-btn:disabled, .no-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.yes-btn.answered {
    background: var(--gradient-success);
    box-shadow: 0 0 0 3px rgba(72, 187, 120, 0.3), var(--shadow-medium);
    transform: scale(1.02);
}

.no-btn.answered {
    background: var(--gradient-danger);
    box-shadow: 0 0 0 3px rgba(245, 101, 101, 0.3), var(--shadow-medium);
    transform: scale(1.02);
}

.edit-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    background: transparent;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

.edit-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.edit-btn:active {
    transform: translateY(0);
}

/* Note Section Styles */
.note-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
    background: rgba(102, 126, 234, 0.02);
    padding: 1.5rem;
    border-radius: 12px;
    margin-left: -2rem;
    margin-right: -2rem;
    margin-bottom: -2rem;
}

.note-section label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.note-section label::before {
    content: '📝';
    font-size: 1.1rem;
}

.note-input {
    width: 100%;
    min-height: 100px;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: inherit;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--card-background);
    transition: all 0.3s ease;
    resize: vertical;
}

.note-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background-color: var(--card-background);
}

.note-input::placeholder {
    color: var(--text-light);
    font-style: italic;
}

/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    align-items: start;
}

.questionnaire-section {
    min-height: 100vh;
}

.questionnaire-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Score Sidebar */
.score-sidebar {
    position: sticky;
    top: 2rem;
    height: fit-content;
}

.score-panel {
    background: var(--card-background);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.score-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.score-panel h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-panel .score-display {
    width: 160px;
    height: 160px;
    margin: 0 auto 1.5rem;
}

.score-panel #score-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(var(--success-color) 0deg, var(--border-color) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-medium);
}

.score-panel #score-circle::before {
    content: '';
    position: absolute;
    width: 130px;
    height: 130px;
    background: var(--card-background);
    border-radius: 50%;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.score-panel #score-text {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-color);
    position: relative;
    z-index: 1;
}

.score-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Score Statistics */
.score-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .score-sidebar {
        position: static;
        order: -1;
    }
    
    .score-panel {
        padding: 1.5rem;
    }
    
    .score-panel .score-display {
        width: 120px;
        height: 120px;
    }
    
    .score-panel #score-circle::before {
        width: 90px;
        height: 90px;
    }
    
    .score-panel #score-text {
        font-size: 1.5rem;
    }
    
    .score-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
    }
}

@media (max-width: 1200px) {
    /* Hide sidebar on smaller screens and show floating button */
    .score-sidebar {
        display: none !important;
    }
    
    .mobile-score-float {
        display: block !important;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem 1rem;
    }
    
    .disclaimer-header {
        margin: 0 -1rem 2rem;
        padding: 1.2rem 1rem;
    }
    
    .disclaimer-header p {
        font-size: 0.9rem;
    }
    
    .disclaimer-header .attribution {
        font-size: 0.85rem;
    }
    
    .header {
        margin-bottom: 3rem;
        padding: 1.5rem 0;
    }
    
    .header::before {
        width: 80px;
        height: 4px;
    }
    
    .header h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .header p {
        font-size: 1.1rem;
    }

    .legal-disclaimer {
        margin: 1.5rem 0;
        padding: 0 0.5rem;
    }

    .disclaimer-box {
        padding: 1rem;
    }

    .disclaimer-box h3 {
        font-size: 1.1rem;
    }

    .disclaimer-box ul {
        padding-left: 1rem;
    }

    .commercial-restriction {
        padding: 0.75rem;
        margin-top: 1rem;
    }

    .commercial-restriction h4 {
        font-size: 1rem;
    }

    .consent-modal-content {
        width: 95%;
        max-height: 85vh;
    }

    .consent-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .consent-header h2 {
        font-size: 1.3rem;
    }

    .consent-body {
        padding: 1.5rem;
    }

    .consent-body h3 {
        font-size: 1.1rem;
    }

    .consent-footer {
        padding: 1rem 1.5rem;
    }

    .consent-checkbox {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .consent-checkbox input[type="checkbox"] {
        margin-top: 0;
    }

    .consent-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .consent-decline, .consent-agree {
        width: 100%;
        min-width: auto;
    }
    
    .controls {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .controls-row {
        flex-direction: column;
        gap: 1.5rem;
        align-items: stretch;
    }
    
    .file-controls {
        margin: 0;
        padding: 1.2rem;
    }
    
    .file-controls::before {
        left: 15px;
        font-size: 1rem;
    }
    
    .file-upload-section {
        margin-bottom: 2rem;
    }
    
    .file-controls {
        padding: 1.5rem;
    }
    
    .file-controls-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .file-controls-header {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
        margin-bottom: 1.2rem;
        padding-bottom: 0.8rem;
        text-align: center;
    }
    
    .file-controls-title {
        font-size: 1rem;
    }
    
    .file-controls-note {
        font-size: 0.75rem;
        padding: 0.25rem 0.6rem;
        white-space: normal;
        line-height: 1.3;
    }
    
    .control-group {
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 0.8rem;
    }
    
    .control-group label {
        min-width: 140px;
        text-align: left;
        font-size: 0.85rem;
    }
    
    #checklist-select {
        min-width: 200px;
        flex: 1;
        padding: 0.9rem 1.2rem;
        font-size: 0.95rem;
    }
    
    .file-input {
        min-width: 200px;
        flex: 1;
        padding: 0.7rem 0.9rem;
        font-size: 0.9rem;
    }
    
    .file-input::file-selector-button {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        margin-right: 0.6rem;
    }
    
    .export-dropdown {
        width: 100%;
        margin-top: 0.5rem;
    }
    
    .export-main-btn {
        width: 100%;
        padding: 1.2rem;
        font-size: 1rem;
        justify-content: center;
    }
    
    .question-card {
        padding: 2rem;
        margin-bottom: 1.5rem;
        border-radius: 20px;
    }
    
    .question-card::before {
        height: 4px;
    }
    
    .article-title {
        font-size: 0.85rem;
        padding: 0.6rem 1.2rem;
        margin-bottom: 1.2rem;
        letter-spacing: 0.6px;
    }
    
    .note-section {
        margin-left: -2rem;
        margin-right: -2rem;
        margin-bottom: -2rem;
    }
    
    .button-group {
        gap: 1rem;
    }
    
    .button-group .answer-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .score-panel .score-display {
        width: 100px;
        height: 100px;
    }
    
    .score-panel #score-circle::before {
        width: 70px;
        height: 70px;
    }
    
    .score-panel #score-text {
        font-size: 1.2rem;
    }
    
    .score-stats {
        grid-template-columns: 1fr 1fr;
    }
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.question-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Mobile Floating Score */
.mobile-score-float {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
}

.floating-score-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: 3px solid white;
    box-shadow: var(--shadow-large);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.floating-score-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.floating-score-btn:active {
    transform: scale(0.95);
}

.floating-score-text {
    font-size: 0.8rem;
    font-weight: 700;
    color: white;
    line-height: 1;
    margin-bottom: 2px;
}

.floating-score-icon {
    font-size: 1rem;
    line-height: 1;
}

/* Floating Score Popup */
.floating-score-popup {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 280px;
    background: var(--card-background);
    border-radius: 16px;
    box-shadow: var(--shadow-large);
    border: 1px solid var(--border-color);
    transform: scale(0) translateY(20px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-origin: bottom right;
    overflow: hidden;
}

.floating-score-popup.show {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.floating-score-popup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem 0.5rem;
}

.popup-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}

.popup-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.popup-close:hover {
    background: var(--border-color);
    color: var(--text-color);
}

.popup-score-display {
    display: flex;
    justify-content: center;
    padding: 1rem;
}

.popup-score-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: conic-gradient(var(--success-color) 0deg, var(--border-color) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-light);
}

.popup-score-circle::before {
    content: '';
    position: absolute;
    width: 75px;
    height: 75px;
    background: var(--card-background);
    border-radius: 50%;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.popup-score-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-color);
    position: relative;
    z-index: 1;
}

.popup-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 0 1.25rem 1.25rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
    padding-top: 1rem;
}

.popup-stat-item {
    text-align: center;
}

.popup-stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.popup-stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Floating button pulse animation */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
    }
}

.floating-score-btn.pulse {
    animation: pulse 2s infinite;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 120px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-large);
    transition: all 0.3s ease;
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid white;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.back-to-top:active {
    transform: translateY(-2px) scale(0.95);
}

.back-to-top-icon {
    font-size: 1.8rem;
    line-height: 1;
    font-weight: 900;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 110px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .back-to-top-icon {
        font-size: 1.5rem;
    }
}