/* Be Like Brit Vacation Survey - Beautiful Modern Design */

:root {
    --blb-royal-blue: #002F6B;
    --blb-gold: #FFCC00;
    --blb-light-blue: #E3F2FD;
    --blb-dark-blue: #001B3A;
    --blb-accent: #FF6B35;
    --blb-success: #4CAF50;
    --blb-error: #F44336;
    --blb-text: #333333;
    --blb-text-light: #666666;
    --blb-white: #FFFFFF;
    --blb-gray-light: #F5F5F5;
    --blb-shadow: rgba(0, 47, 107, 0.1);
    --blb-shadow-dark: rgba(0, 47, 107, 0.2);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--blb-royal-blue) 0%, var(--blb-dark-blue) 100%);
    min-height: 100vh;
    color: var(--blb-text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--child-photo-url);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.4;
    z-index: -1;
    pointer-events: none;
}

/* Survey Container */
.survey-container {
    max-width: 800px;
    margin: 0 auto;
    min-height: 100vh;
    position: relative;
}

/* Header */
.survey-header {
    background: var(--blb-white);
    padding: 30px;
    border-radius: 0 0 30px 30px;
    box-shadow: 0 10px 30px var(--blb-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.survey-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blb-gold), var(--blb-royal-blue), var(--blb-gold));
}

.logo-section {
    flex: 1;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--blb-royal-blue);
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 14px;
    color: var(--blb-text-light);
    font-weight: 500;
    margin-top: 2px;
}

.child-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.child-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--blb-gold);
    box-shadow: 0 4px 15px var(--blb-shadow);
    transition: transform 0.3s ease;
}

.child-avatar:hover {
    transform: scale(1.05);
}

.child-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.child-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--blb-royal-blue);
}

/* Progress Section */
.progress-section {
    padding: 0 30px;
    margin-bottom: 40px;
}

.progress-container {
    background: var(--blb-white);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 8px 25px var(--blb-shadow);
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--blb-gray-light);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 15px;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--blb-gold), var(--blb-royal-blue));
    border-radius: 6px;
    transition: width 0.8s ease-in-out;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: var(--blb-text-light);
}

/* Question Card */
.question-card {
    background: var(--blb-white);
    border-radius: 30px;
    margin: 0 30px 30px;
    padding: 40px;
    box-shadow: 0 15px 40px var(--blb-shadow);
    position: relative;
    overflow: hidden;
}

.question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--blb-gold), var(--blb-royal-blue), var(--blb-accent));
}

.question-header {
    text-align: center;
    margin-bottom: 40px;
}

.question-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--blb-royal-blue);
    margin-bottom: 10px;
    line-height: 1.2;
}

.question-subtitle {
    font-size: 18px;
    color: var(--blb-text-light);
    font-style: italic;
    font-weight: 400;
}

/* Answer Options */
.answer-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 500px;
    margin: 0 auto;
}

.answer-btn {
    background: var(--blb-white);
    border: 3px solid var(--blb-light-blue);
    border-radius: 20px;
    padding: 40px 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--blb-shadow);
}

.answer-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,204,0,0.1), transparent);
    transition: left 0.5s ease;
}

.answer-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--blb-shadow-dark);
    border-color: var(--blb-gold);
}

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

.yes-btn:hover {
    background: linear-gradient(135deg, var(--blb-success), #66BB6A);
    color: white;
}

.no-btn:hover {
    background: linear-gradient(135deg, var(--blb-error), #EF5350);
    color: white;
}

.answer-icon {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
}

.answer-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--blb-royal-blue);
}

.answer-btn:hover .answer-text {
    color: white;
}

/* Text Answer Section */
.text-answer-section {
    max-width: 600px;
    margin: 0 auto;
}

.text-input {
    width: 100%;
    padding: 25px;
    border: 3px solid #e0e0e0;
    border-radius: 15px;
    font-size: 18px;
    font-family: inherit;
    resize: vertical;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    background: var(--blb-gray-light);
}

.text-input:focus {
    outline: none;
    border-color: var(--blb-gold);
    background: white;
    box-shadow: 0 0 0 4px rgba(255, 204, 0, 0.1);
}

.submit-text-btn {
    background: linear-gradient(135deg, var(--blb-royal-blue), var(--blb-dark-blue));
    color: white;
    border: none;
    border-radius: 15px;
    padding: 20px 40px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px var(--blb-shadow);
    display: block;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.submit-text-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;
}

.submit-text-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--blb-shadow-dark);
}

.submit-text-btn:hover::before {
    left: 100%;
}

.final-btn {
    background: linear-gradient(135deg, var(--blb-gold), var(--blb-accent));
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Footer Navigation */
.survey-footer {
    padding: 0 30px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-btn {
    background: var(--blb-white);
    color: var(--blb-royal-blue);
    border: 2px solid var(--blb-royal-blue);
    border-radius: 10px;
    padding: 12px 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px var(--blb-shadow);
}

.nav-btn:hover {
    background: var(--blb-royal-blue);
    color: white;
    transform: translateY(-2px);
}

.question-counter {
    background: var(--blb-gold);
    color: var(--blb-royal-blue);
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(255, 204, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .survey-header {
        padding: 20px;
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .question-card {
        margin: 0 20px 20px;
        padding: 30px 20px;
    }

    .question-title {
        font-size: 24px;
    }

    .answer-options {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .answer-btn {
        padding: 30px 20px;
    }

    .survey-footer {
        padding: 0 20px 30px;
        flex-direction: column;
        gap: 15px;
    }

    .child-info {
        flex-direction: column;
        gap: 10px;
    }
}

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

.question-card {
    animation: fadeInUp 0.8s ease-out;
}

/* Success/Error Messages */
.message {
    padding: 20px;
    border-radius: 15px;
    margin: 20px 0;
    font-weight: 500;
    text-align: center;
}

.error {
    background: #ffebee;
    color: var(--blb-error);
    border: 1px solid #ffcdd2;
}

.success {
    background: #e8f5e8;
    color: var(--blb-success);
    border: 1px solid #c8e6c9;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for accessibility */
.answer-btn:focus,
.submit-text-btn:focus,
.nav-btn:focus {
    outline: 3px solid var(--blb-gold);
    outline-offset: 2px;
}

.text-input:focus {
    outline: 3px solid var(--blb-gold);
    outline-offset: 2px;
}