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

:root {
    --primary: #0d3a6e;
    --primary-dark: #082647;
    --secondary: #1a4a8a;
    --background: #EEF1F5;
    --surface: #FFFFFF;
    --text: #0a0a14;
    --text-secondary: #444;
    --text-light: #666;
    --success: #2e7d32;
    --warning: #e65100;
    --border: #C0C0C0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--background);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    overflow-y: auto;
}

.screen {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 20px;
    overflow-y: auto;
}

.screen.hidden {
    display: none;
}

.container {
    max-width: 500px;
    width: 100%;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 8px;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.provoid-logo {
    height: 50px;
    vertical-align: middle;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text);
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.uke-logo-corner {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.uke-logo-corner svg {
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.15));
}

.card {
    background: var(--surface);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

input, textarea, select {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--surface);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 68, 128, 0.1);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 24px 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.btn.primary {
    background: var(--primary);
    color: white;
}

.btn.primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn.secondary {
    background: var(--surface);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn.secondary:hover {
    background: rgba(26, 68, 128, 0.05);
}

.btn.large {
    padding: 18px 32px;
    font-size: 1.1rem;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1rem;
    color: var(--primary);
    cursor: pointer;
    padding: 8px;
    font-weight: 600;
}

.header-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.header-bar h2 {
    margin-bottom: 0;
    flex: 1;
}

/* Patient View */
.orientation-container {
    width: 100%;
    max-width: 900px;
    padding: 40px 20px;
    position: relative;
}

.time-display {
    text-align: center;
    margin-bottom: 40px;
}

.time {
    font-size: 5rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -2px;
}

.date {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

.orientation-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.orientation-card {
    background: var(--surface);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.orientation-card:hover {
    transform: translateY(-4px);
}

.orientation-card.who {
    border-top: 4px solid #4CAF50;
}

.orientation-card.where {
    border-top: 4px solid #2196F3;
}

.orientation-card.why {
    border-top: 4px solid #FF9800;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.card-label {
    font-size: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.card-content {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.3;
}

.card-detail {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.info-banner {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 20px 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.info-banner.hidden {
    display: none;
}

.info-icon {
    font-size: 1.5rem;
}

.btn-settings {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    opacity: 0.5;
    transition: opacity 0.2s;
}

.btn-settings:hover {
    opacity: 1;
}

/* Action Buttons */
.action-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 20px;
    font-size: 1.2rem;
    border-radius: 16px;
    min-height: 120px;
}

.btn-icon-large {
    font-size: 2.5rem;
}

.quiz-btn {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
}

.quiz-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.3);
}

.calm-btn {
    background: linear-gradient(135deg, #5C6BC0, #3F51B5);
    color: white;
    border: none;
}

.calm-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(63, 81, 181, 0.3);
}

/* Calming Modal */
.calming-content {
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    text-align: left;
}

.calming-header {
    text-align: center;
    margin-bottom: 24px;
}

.calming-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 12px;
}

.calming-header h2 {
    color: #3F51B5;
    font-size: 2rem;
}

.calming-message {
    background: linear-gradient(135deg, #E8EAF6, #C5CAE9);
    padding: 24px;
    border-radius: 16px;
    margin-bottom: 20px;
    text-align: center;
}

.calming-main {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text);
}

.calming-detail {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.calming-reason-box {
    background: #FFF3E0;
    border-left: 4px solid #FF9800;
    padding: 16px 20px;
    border-radius: 0 12px 12px 0;
    margin-bottom: 24px;
}

.reason-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.reason-content {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
}

.calming-info {
    background: var(--background);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.calming-info h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text);
}

.calming-info p {
    margin-bottom: 16px;
    line-height: 1.6;
}

.calming-info ul {
    list-style: none;
    padding: 0;
}

.calming-info li {
    padding: 10px 0 10px 32px;
    position: relative;
    border-bottom: 1px solid var(--border);
}

.calming-info li:last-child {
    border-bottom: none;
}

.calming-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
    font-size: 1.2rem;
}

.calming-reassurance {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, #E1F5FE, #B3E5FC);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.reassurance-icon {
    font-size: 2.5rem;
}

.calming-reassurance p {
    font-size: 1.1rem;
    margin: 0;
}

/* Breathing Exercise */
.breathing-exercise {
    text-align: center;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--background);
    border-radius: 12px;
}

.breathing-exercise h3 {
    margin-bottom: 20px;
}

.breathing-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, #81D4FA, #4FC3F7);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: transform 4s ease-in-out;
    box-shadow: 0 4px 20px rgba(79, 195, 247, 0.3);
}

.breathing-circle.inhale {
    transform: scale(1.3);
}

.breathing-circle.exhale {
    transform: scale(1);
}

#breathing-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* Family Button */
.family-btn {
    background: linear-gradient(135deg, #2d5a9e, #1a4480);
    color: white;
    border: none;
    margin-top: 12px;
}

.family-btn:hover {
    background: linear-gradient(135deg, #1a4480, #0f2d54);
}

.family-view-btn {
    background: linear-gradient(135deg, #FF7043, #E64A19);
    color: white;
    border: none;
}

.family-view-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 74, 25, 0.3);
}

/* Family Setup Screen */
.family-container {
    max-width: 600px;
}

.info-text {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.profiles-list {
    margin-bottom: 24px;
}

.profile-card {
    background: var(--surface);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
}

.profile-card-photo {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #E0E0E0, #BDBDBD);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    overflow: hidden;
    flex-shrink: 0;
}

.profile-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-card-info {
    flex: 1;
}

.profile-card-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.profile-card-relation {
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 4px;
}

.profile-card-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.profile-card-actions {
    display: flex;
    gap: 8px;
}

.profile-card-actions button {
    padding: 8px 12px;
    font-size: 0.9rem;
    border-radius: 8px;
}

/* Profile Modal */
.profile-form-content {
    max-width: 450px;
}

.profile-photo-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 24px;
}

.profile-photo-preview {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #E0E0E0, #BDBDBD);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin-bottom: 12px;
    overflow: hidden;
    border: 4px solid var(--primary);
}

.profile-photo-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-buttons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.modal-buttons .btn {
    flex: 1;
}

/* Family View (for patients) */
.family-view-content {
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
}

.family-header {
    text-align: center;
    margin-bottom: 24px;
}

.family-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 12px;
}

.family-header h2 {
    color: #E64A19;
    margin-bottom: 8px;
}

.family-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

/* Language Bar */
.language-bar {
    margin-bottom: 24px;
}

.language-bar select {
    padding: 10px 20px;
    font-size: 1.1rem;
    border: 2px solid var(--border);
    border-radius: 25px;
    background: white;
    cursor: pointer;
    outline: none;
}

.language-bar select:focus {
    border-color: var(--primary);
}

.family-profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.family-profile-card {
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
    border-radius: 20px;
    padding: 24px;
    text-align: center;
    transition: transform 0.2s;
}

.family-profile-card:hover {
    transform: scale(1.02);
}

.family-profile-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: white;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    overflow: hidden;
    border: 4px solid #FF7043;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.family-profile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.family-profile-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.family-profile-relation {
    font-size: 1.1rem;
    color: #E64A19;
    font-weight: 600;
    margin-bottom: 8px;
}

.family-profile-note {
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
}

.family-profile-phone {
    margin-top: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.no-profiles {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.no-profiles.hidden {
    display: none;
}

.no-profiles-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 16px;
}

.no-profiles .small {
    font-size: 0.9rem;
    margin-top: 8px;
}

/* Cognitive Training */
.training-btn {
    background: linear-gradient(135deg, #9C27B0, #7B1FA2);
    color: white;
    border: none;
}

.training-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(156, 39, 176, 0.3);
}

.training-content {
    max-width: 550px;
    text-align: center;
}

.training-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 24px 0;
}

.training-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px;
    background: linear-gradient(135deg, #F3E5F5, #E1BEE7);
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.training-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(156, 39, 176, 0.2);
}

.training-option-icon {
    font-size: 2.5rem;
}

.training-option-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
}

.training-option-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

#training-exercise {
    padding: 20px 0;
}

#exercise-content {
    min-height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.exercise-prompt {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text);
}

.color-target {
    font-size: 2rem;
    font-weight: 700;
    padding: 12px 24px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.color-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    width: 100%;
    max-width: 300px;
}

.color-btn {
    width: 100%;
    height: 80px;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: transform 0.2s;
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.color-btn:hover {
    transform: scale(1.05);
}

.color-btn.correct {
    animation: pulse 0.5s ease;
}

.color-btn.incorrect {
    opacity: 0.5;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.counting-display {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    max-width: 300px;
}

.counting-item {
    font-size: 2.5rem;
}

.number-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.number-btn {
    width: 70px;
    height: 70px;
    border: 3px solid var(--primary);
    border-radius: 50%;
    background: white;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    transition: all 0.2s;
}

.number-btn:hover {
    background: var(--primary);
    color: white;
}

.number-btn.correct {
    background: #4CAF50;
    border-color: #4CAF50;
    color: white;
}

.number-btn.incorrect {
    background: #f44336;
    border-color: #f44336;
    color: white;
}

.time-display-exercise {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.time-question {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.time-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 300px;
}

.time-btn {
    padding: 16px 24px;
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.time-btn:hover {
    border-color: var(--primary);
    background: rgba(26, 68, 128, 0.05);
}

.time-btn.correct {
    background: rgba(76, 175, 80, 0.2);
    border-color: #4CAF50;
}

.time-btn.incorrect {
    background: rgba(244, 67, 54, 0.1);
    border-color: #f44336;
}

#exercise-feedback {
    padding: 30px;
    text-align: center;
}

.feedback-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.feedback-text {
    font-size: 1.5rem;
    font-weight: 600;
}

.exercise-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

/* RTL Support for Arabic */
[dir="rtl"] .btn-icon,
[dir="rtl"] .back {
    direction: rtl;
}

@media (max-width: 600px) {
    .action-buttons {
        grid-template-columns: 1fr;
    }
    
    .calming-content {
        padding: 24px;
    }
    
    .breathing-circle {
        width: 120px;
        height: 120px;
    }
    
    .family-profiles-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-card {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-card-actions {
        width: 100%;
        justify-content: center;
    }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--surface);
    border-radius: 24px;
    padding: 40px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    text-align: center;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-content h2 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.modal-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

.quiz-container {
    margin-bottom: 24px;
}

.quiz-question {
    margin-bottom: 20px;
}

.quiz-question label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quiz-option {
    padding: 16px 20px;
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    text-align: left;
    transition: all 0.2s;
}

.quiz-option:hover {
    border-color: var(--primary);
    background: rgba(26, 68, 128, 0.05);
}

.quiz-option.selected {
    border-color: var(--primary);
    background: rgba(26, 68, 128, 0.1);
}

.quiz-option.correct {
    border-color: var(--success);
    background: rgba(76, 175, 80, 0.1);
}

.quiz-option.incorrect {
    border-color: #f44336;
    background: rgba(244, 67, 54, 0.1);
}

#quiz-result {
    padding: 24px;
}

#quiz-result .result-icon {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 16px;
}

#quiz-result .result-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
}

/* Responsive */
@media (max-width: 600px) {
    .time {
        font-size: 3.5rem;
    }
    
    .date {
        font-size: 1.3rem;
    }
    
    .card-content {
        font-size: 1.4rem;
    }
    
    .orientation-card {
        padding: 24px 20px;
    }
}

/* Large screens (hospital displays) */
@media (min-width: 1200px) {
    .time {
        font-size: 7rem;
    }
    
    .date {
        font-size: 2.2rem;
    }
    
    .card-content {
        font-size: 2.2rem;
    }
    
    .card-label {
        font-size: 1.1rem;
    }
    
    .orientation-card {
        padding: 40px 32px;
    }
}

/* New Exercise Styles */
.memory-display, .memory-question-display {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

.memory-item {
    font-size: 3rem;
    padding: 15px;
    background: var(--background);
    border-radius: 12px;
}

.memory-question-display {
    font-size: 4rem;
}

.memory-timer {
    font-size: 2rem;
    color: var(--primary);
    font-weight: bold;
    text-align: center;
}

.memory-options {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.memory-btn {
    padding: 16px 32px;
    font-size: 1.2rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    cursor: pointer;
    transition: all 0.2s;
}

.memory-btn:hover {
    border-color: var(--primary);
    background: rgba(13, 58, 110, 0.05);
}

.memory-btn.correct {
    background: rgba(76, 175, 80, 0.2);
    border-color: #4CAF50;
}

.memory-btn.incorrect {
    background: rgba(244, 67, 54, 0.1);
    border-color: #f44336;
}

.shape-display {
    display: flex;
    justify-content: center;
    margin: 30px 0;
}

.shape-options, .math-options, .word-options, .sequence-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.shape-btn, .math-btn, .word-btn, .sequence-btn {
    padding: 16px;
    font-size: 1.1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    cursor: pointer;
    transition: all 0.2s;
}

.shape-btn:hover, .math-btn:hover, .word-btn:hover, .sequence-btn:hover {
    border-color: var(--primary);
    background: rgba(13, 58, 110, 0.05);
}

.shape-btn.correct, .math-btn.correct, .word-btn.correct, .sequence-btn.correct {
    background: rgba(76, 175, 80, 0.2);
    border-color: #4CAF50;
}

.shape-btn.incorrect, .math-btn.incorrect, .word-btn.incorrect, .sequence-btn.incorrect {
    background: rgba(244, 67, 54, 0.1);
    border-color: #f44336;
}

.math-display, .word-display {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary);
    text-align: center;
    margin: 30px 0;
}

.sequence-display {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 30px 0;
}

.seq-item {
    font-size: 2rem;
    padding: 12px 16px;
    background: var(--background);
    border-radius: 8px;
}

.seq-question {
    background: var(--primary);
    color: white;
}