/* Base Styles */
:root {
    /* Primary palette */
    --primary-color: #4CAF50;
    --secondary-color: #8BC34A;
    --accent-color: #FF9800;

    /* Activity type colors */
    --color-fitness: #4CAF50;
    --color-recreation: #FF9800;
    --color-mindbody: #2196F3;
    --color-sports: #E91E63;

    /* Activity type backgrounds (lighter versions) */
    --color-fitness-bg: rgba(76, 175, 80, 0.1);
    --color-recreation-bg: rgba(255, 152, 0, 0.1);
    --color-mindbody-bg: rgba(33, 150, 243, 0.1);
    --color-sports-bg: rgba(233, 30, 99, 0.1);

    /* Text colors */
    --text-color: #333;
    --light-text: #666;
    --white: #ffffff;

    /* Background colors */
    --background-color: #f9f9f9;
    --background-gradient-start: #f8fffe;
    --background-gradient-end: #e8f5e9;
    --card-background: #fff;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-speed: 0.3s;
    --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

body {
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, var(--background-gradient-start) 0%, var(--background-gradient-end) 100%);
    background-attachment: fixed;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1,
h2,
h3,
h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    color: var(--primary-color);
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-fitness) 0%, var(--color-mindbody) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 500;
}

h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    font-weight: 500;
}

p {
    margin-bottom: 1rem;
}

.subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 2rem;
}

/* Button Styles */
.btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 0.9rem 2rem;
    font-size: 1rem;
    border-radius: 30px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    margin: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.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;
}

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

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

.btn:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-recreation) 0%, #FFB74D 100%);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #e08600 0%, var(--color-recreation) 100%);
}

.nav-btn {
    min-width: 120px;
}

.result-actions {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* Section Styles */
.section {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-speed);
    background-color: var(--card-background);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    margin-bottom: 2rem;
    flex: 1;
    border: 1px solid rgba(76, 175, 80, 0.1);
}

.section.active {
    display: block;
    opacity: 1;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Welcome Section */
.welcome-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.activity-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 2rem 0;
    max-width: 1200px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.activity-type {
    background-color: var(--card-background);
    padding: 1.5rem;
    border-radius: 12px;
    transition: all var(--transition-speed) ease;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.activity-type::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity var(--transition-speed);
    z-index: 0;
}

.activity-type>* {
    position: relative;
    z-index: 1;
}

.activity-type:nth-child(1) {
    border-left-color: var(--color-fitness);
}

.activity-type:nth-child(1)::before {
    background: var(--color-fitness-bg);
}

.activity-type:nth-child(2) {
    border-left-color: var(--color-recreation);
}

.activity-type:nth-child(2)::before {
    background: var(--color-recreation-bg);
}

.activity-type:nth-child(3) {
    border-left-color: var(--color-mindbody);
}

.activity-type:nth-child(3)::before {
    background: var(--color-mindbody-bg);
}

.activity-type:nth-child(4) {
    border-left-color: var(--color-sports);
}

.activity-type:nth-child(4)::before {
    background: var(--color-sports-bg);
}

.activity-type:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.activity-type:hover::before {
    opacity: 1;
}

.activity-type .activity-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.activity-type:nth-child(1) h3 {
    color: var(--color-fitness);
}

.activity-type:nth-child(2) h3 {
    color: var(--color-recreation);
}

.activity-type:nth-child(3) h3 {
    color: var(--color-mindbody);
}

.activity-type:nth-child(4) h3 {
    color: var(--color-sports);
}

@media (max-width: 992px) {
    .activity-types {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
    }
}

@media (max-width: 576px) {
    .activity-types {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

/* Survey Section */
.progress-container {
    margin-bottom: 2rem;
}

.progress-bar {
    height: 8px;
    background-color: #e0e0e0;
    border-radius: 4px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-fitness), var(--color-mindbody), var(--color-recreation));
    background-size: 200% 100%;
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 4px;
    animation: progressGradient 3s ease infinite;
}

@keyframes progressGradient {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.step-indicators {
    display: flex;
    justify-content: space-between;
    padding: 0 0.5rem;
}

.step-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #e0e0e0;
    transition: all var(--transition-speed) ease;
    position: relative;
}

.step-dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

.step-dot.completed {
    background-color: var(--color-fitness);
}

.step-dot.completed::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
}

.question-number {
    text-align: center;
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: 1rem;
    font-weight: 500;
}

.question-number span {
    color: var(--primary-color);
    font-weight: 600;
}

.question-container {
    margin-bottom: 2rem;
}

.question {
    margin-bottom: 1.5rem;
}

.options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.option {
    background-color: #f8f9fa;
    padding: 1.2rem 1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 2px solid transparent;
    position: relative;
    display: flex;
    align-items: center;
}

.option::before {
    content: '';
    width: 22px;
    height: 22px;
    border: 2px solid #ddd;
    border-radius: 6px;
    margin-right: 12px;
    flex-shrink: 0;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.option:hover {
    background-color: #f0f4f0;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: rgba(76, 175, 80, 0.3);
}

.option.selected {
    background-color: var(--color-fitness-bg);
    border-color: var(--color-fitness);
}

.option.selected::before {
    background-color: var(--color-fitness);
    border-color: var(--color-fitness);
}

.option.selected::after {
    content: '';
    position: absolute;
    left: 1.35rem;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.selection-instruction {
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 600;
    font-style: normal;
    margin-bottom: 1.2rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, var(--color-fitness-bg), var(--color-mindbody-bg));
    border-left: 4px solid var(--primary-color);
    border-radius: 0 8px 8px 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.selection-instruction::before {
    content: "☑️";
    font-size: 1.1rem;
}

.open-ended {
    margin-top: 1rem;
}

.open-ended textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    resize: vertical;
    min-height: 150px;
}

.word-count-display {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #888;
    text-align: right;
    font-family: 'Open Sans', sans-serif;
}

.word-count-display span.valid {
    color: #4CAF50;
    font-weight: 600;
}

.word-count-display span.invalid {
    color: #E91E63;
    font-weight: 600;
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

/* Processing Section */
.processing-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.loading-animation {
    margin: 2rem 0;
}

.loading-animation img {
    max-width: 100%;
    height: auto;
}

/* Results Section */
.results-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.result-card {
    background: linear-gradient(135deg, var(--card-background) 0%, #f8fffe 100%);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(76, 175, 80, 0.15);
    margin-bottom: 2rem;
}

.result-summary {
    font-size: 1.2rem;
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--color-fitness-bg) 0%, var(--color-mindbody-bg) 100%);
    border-radius: 12px;
    line-height: 1.8;
    border-left: 4px solid var(--color-fitness);
}

.result-image {
    margin: 2rem 0;
}

.result-image img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-speed) ease;
}

.result-image img:hover {
    transform: scale(1.02);
}

.result-details {
    margin: 2rem 0;
    text-align: left;
    background: var(--card-background);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.result-details h3 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

#response-profile {
    margin-top: 1rem;
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Footer */
footer {
    text-align: center;
    margin-top: auto;
    padding: 2rem 1rem;
    color: var(--light-text);
    background: linear-gradient(180deg, transparent 0%, rgba(76, 175, 80, 0.03) 100%);
    border-top: 1px solid rgba(76, 175, 80, 0.1);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

footer a:hover {
    color: var(--color-mindbody);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .activity-types {
        grid-template-columns: 1fr;
    }

    .options {
        grid-template-columns: 1fr;
    }
}