/* =========== Vibrant Color Scheme with Light/Dark Mode =========== */
:root {
    /* Vibrant Light Mode Colors */
    --primary: #5B6EF4;       /* Playful purple-blue */
    --secondary: #FF9E44;     /* Bright orange */
    --accent: #26D07C;        /* Vibrant green */
    --accent2: #FF6B9E;       /* New: Playful pink */
    --accent3: #9C6EFD;       /* New: Fun purple */
    --light: #FFF9F2;         /* Warm cream background */
    --dark: #2A2A3A;          /* Soft dark text */
    --light-gray: #F2EEE9;    /* Warm light gray */
    
    /* UI Elements */
    --card-shadow: 0 8px 20px rgba(91, 110, 244, 0.15);
    --button-shadow: 0 6px 0 rgba(0,0,0,0.1);
    --container-shadow: 0 10px 30px rgba(0,0,0,0.08);
    
    /* Animation Speed */
    --bounce-speed: 0.3s;
}

/* Dark Mode Colors */
@media (prefers-color-scheme: dark) {
    :root {
        --primary: #6B7FFD;       /* Brighter blue for dark mode */
        --secondary: #FFB052;     /* Warmer orange */
        --accent: #3CE28C;        /* Brighter green */
        --accent2: #FF85B3;       /* Brighter pink */
        --accent3: #B68DFF;       /* Lighter purple */
        --light: #1A1A24;         /* Dark blue-gray background */
        --dark: #F5F5FA;          /* Off-white text */
        --light-gray: #2A2A36;    /* Dark gray for chips */
        
        /* UI Elements for Dark Mode */
        --card-shadow: 0 8px 20px rgba(0,0,0,0.3);
        --button-shadow: 0 6px 0 rgba(0,0,0,0.2);
        --container-shadow: 0 10px 30px rgba(0,0,0,0.4);
    }
}

/* =========== Global Styles =========== */
* {
    transition: background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--light);
    margin: 0;
    padding: 0;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* =========== Header Styles =========== */
header {
    background: linear-gradient(135deg, var(--primary), var(--accent3));
    border-radius: 30px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: var(--container-shadow);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header-bubble {
    position: absolute;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.2);
    animation: float 8s infinite ease-in-out;
}

.bubble1 {
    width: 80px;
    height: 80px;
    top: 20px;
    left: 10%;
    animation-delay: 0s;
}

.bubble2 {
    width: 60px;
    height: 60px;
    top: 70px;
    right: 20%;
    animation-delay: 1s;
}

.bubble3 {
    width: 100px;
    height: 100px;
    bottom: -30px;
    right: 30%;
    animation-delay: 2s;
}

/* Add more bubbles for extra playfulness */
.bubble4 {
    width: 40px;
    height: 40px;
    top: 50px;
    left: 30%;
    animation-delay: 1.5s;
}

.bubble5 {
    width: 70px;
    height: 70px;
    bottom: 10px;
    left: 15%;
    animation-delay: 2.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) scale(1.1) rotate(5deg);
    }
}

h1 {
    color: white;
    font-size: 3rem;
    margin: 0;
    text-shadow: 3px 3px 0 rgba(0,0,0,0.2);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.subtitle {
    color: white;
    font-size: 1.4rem;
    margin-top: 15px;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.2);
}

/* =========== Search Section =========== */
.search-section {
    background-color: white;
    border-radius: 25px;
    padding: 30px;
    margin-bottom: 35px;
    box-shadow: var(--card-shadow);
}

@media (prefers-color-scheme: dark) {
    .search-section {
        background-color: #252532;
    }
}

.search-box {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

input[type="text"] {
    flex: 1;
    padding: 15px 25px;
    border: 3px solid var(--primary);
    border-radius: 50px;
    font-size: 1.1rem;
    font-family: inherit;
    color: var(--dark);
    background-color: var(--light);
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.05);
}

@media (prefers-color-scheme: dark) {
    input[type="text"] {
        background-color: #1E1E2C;
        color: var(--dark);
    }
}

input[type="text"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(91, 110, 244, 0.3);
}

button {
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 15px 30px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--bounce-speed);
    font-family: inherit;
    font-weight: 700;
    box-shadow: var(--button-shadow);
    position: relative;
    top: 0;
}

button:hover {
    background-color: var(--accent3);
    transform: translateY(-3px);
    box-shadow: 0 9px 0 rgba(0,0,0,0.1);
}

button:active {
    top: 3px;
    box-shadow: 0 3px 0 rgba(0,0,0,0.1);
}

.filter-section {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
}

.filter-category {
    flex: 1;
    min-width: 150px;
}

.filter-title {
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
    font-size: 1.1rem;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-chip {
    background-color: var(--light-gray);
    border-radius: 50px;
    padding: 10px 18px;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 3px 0 rgba(0,0,0,0.05);
}

.filter-chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 0 rgba(0,0,0,0.05);
}

.filter-chip.selected {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 3px 0 rgba(0,0,0,0.1);
}

/* =========== Skill Categories =========== */
.skill-categories {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.skill-category {
    background-color: white;
    border-radius: 20px;
    padding: 20px 15px;
    text-align: center;
    width: 130px;
    box-shadow: var(--card-shadow);
    cursor: pointer;
    transition: all var(--bounce-speed);
    transform: rotate(-2deg);
}

@media (prefers-color-scheme: dark) {
    .skill-category {
        background-color: #252532;
    }
}

.skill-category:nth-child(2n) {
    transform: rotate(2deg);
}

.skill-category.selected {
    transform: translateY(-8px) rotate(0);
    box-shadow: 0 15px 25px rgba(0,0,0,0.15);
}

.motor {
    border-bottom: 6px solid var(--secondary);
}

.language {
    border-bottom: 6px solid var(--primary);
}

.cognitive {
    border-bottom: 6px solid var(--accent);
}

.sensory {
    border-bottom: 6px solid var(--accent2);
}

.social {
    border-bottom: 6px solid var(--accent3);
}

.skill-category:hover {
    transform: translateY(-5px) rotate(0);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    transition: transform 0.5s;
}

.skill-category:hover .skill-icon {
    transform: scale(1.2);
}

.skill-name {
    font-weight: 700;
    font-size: 1.05rem;
}

/* =========== Activities Grid =========== */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.activity-card {
    background-color: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.4s;
    position: relative;
    transform: translateY(0) rotate(0);
}

@media (prefers-color-scheme: dark) {
    .activity-card {
        background-color: #252532;
    }
}

.activity-card:hover {
    transform: translateY(-10px) rotate(1deg);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.card-motor {
    border-top: 10px solid var(--secondary);
}

.card-language {
    border-top: 10px solid var(--primary);
}

.card-cognitive {
    border-top: 10px solid var(--accent);
}

.card-sensory {
    border-top: 10px solid var(--accent2);
}

.card-social {
    border-top: 10px solid var(--accent3);
}

.card-header {
    padding: 25px;
    background-color: rgba(249, 247, 243, 0.8);
}

@media (prefers-color-scheme: dark) {
    .card-header {
        background-color: rgba(37, 37, 50, 0.8);
    }
}

.activity-title {
    font-size: 1.5rem;
    margin: 0 0 8px 0;
    font-weight: 700;
    color: var(--dark);
}

.age-range {
    display: inline-block;
    background-color: var(--secondary);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 12px;
    font-weight: 700;
    box-shadow: 0 3px 0 rgba(0,0,0,0.1);
}

.activity-content {
    padding: 25px;
}

.activity-description {
    margin-bottom: 25px;
    line-height: 1.7;
}

.activity-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px dashed var(--light-gray);
}

.meta-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 600;
}

.meta-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.materials-needed {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.material-chip {
    background-color: var(--light-gray);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.9rem;
    box-shadow: 0 2px 0 rgba(0,0,0,0.05);
    font-weight: 600;
}

.load-more {
    text-align: center;
    margin-top: 50px;
}

.load-more-btn {
    padding: 18px 45px;
    font-size: 1.2rem;
    background-color: var(--secondary);
}

.load-more-btn:hover {
    background-color: var(--accent2);
}

.no-results {
    text-align: center;
    padding: 50px;
    font-size: 1.3rem;
    color: var(--dark);
    background-color: white;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    margin: 30px 0;
}

@media (prefers-color-scheme: dark) {
    .no-results {
        background-color: #252532;
    }
}

/* =========== About Section =========== */
.about-section {
    background-color: white;
    border-radius: 24px;
    padding: 35px;
    margin-top: 50px;
    box-shadow: var(--card-shadow);
}

@media (prefers-color-scheme: dark) {
    .about-section {
        background-color: #252532;
    }
}

.about-section h2 {
    color: var(--primary);
    margin-top: 0;
    font-size: 2rem;
    position: relative;
    display: inline-block;
}

.about-section h2::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent3));
    border-radius: 2px;
}

.about-section p {
    line-height: 1.7;
    font-size: 1.05rem;
}

.about-skills {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin: 35px 0;
}

.about-skill {
    background-color: var(--light);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.about-skill:hover {
    transform: translateY(-5px);
}

.about-skill h3 {
    color: var(--secondary);
    margin-top: 0;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
}

.about-skill h3::before {
    content: "✦";
    margin-right: 10px;
    color: var(--accent2);
}

.safety-note {
    background-color: rgba(255, 158, 68, 0.1);
    border-left: 6px solid var(--secondary);
    padding: 20px 25px;
    margin-top: 35px;
    border-radius: 0 20px 20px 0;
}

@media (prefers-color-scheme: dark) {
    .safety-note {
        background-color: rgba(255, 158, 68, 0.15);
    }
}

.safety-note h3 {
    color: var(--dark);
    margin-top: 0;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
}

.safety-note h3::before {
    content: "⚠️";
    margin-right: 10px;
}

/* =========== Footer =========== */
footer {
    margin-top: 70px;
    padding: 35px;
    background-color: white;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

@media (prefers-color-scheme: dark) {
    footer {
        background-color: #252532;
    }
}

/* Add playful footer decoration */
footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary), var(--accent2), var(--accent3));
    border-radius: 4px;
}

.footer-content {
    color: var(--dark);
    font-size: 1rem;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

.footer-content a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.2s;
    padding: 2px 5px;
    border-radius: 4px;
}

.footer-content a:hover {
    background-color: var(--primary);
    color: white;
    text-decoration: none;
}

footer p {
    margin: 12px 0;
}

/* Visually hidden elements (for accessibility) */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* =========== Responsive Design =========== */
@media (max-width: 768px) {
    .skill-categories {
        overflow-x: auto;
        padding-bottom: 15px;
        justify-content: flex-start;
    }
    
    .activities-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .about-skills {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .skill-category {
        min-width: 120px;
    }
}

@media (max-width: 480px) {
    .search-box {
        flex-direction: column;
    }
    
    input[type="text"] {
        width: 100%;
    }
    
    .activities-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-section {
        flex-direction: column;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .header-bubble {
        display: none;
    }
    
    .activity-card {
        transform: none !important;
    }
    
    header, .search-section, .activity-card, .about-section, footer {
        border-radius: 20px;
        padding: 20px;
    }
}

/* Search box mobile responsiveness fixes */
@media (max-width: 480px) {
    .search-box {
        flex-direction: column;
        width: 100%;
    }
    
    input[type="text"] {
        width: 100%;
        box-sizing: border-box;
        padding: 12px 15px;
        font-size: 1rem;
    }
    
    #search-button {
        width: 100%;
        margin-top: 10px;
        padding: 12px 15px;
    }
    
    /* Make search rounded corners consistent */
    .search-section {
        padding: 15px;
        border-radius: 20px;
    }
    
    /* Card padding adjustments */
    .activity-card {
        padding: 0;
    }
    
    .card-header {
        padding: 15px 15px 5px 15px;
    }
    
    .age-range {
        margin-bottom: 8px;
        padding: 4px 10px;
    }
    
    .activity-content {
        padding: 10px 15px 15px 15px;
    }
    
    .activity-description {
        margin-bottom: 15px;
    }
    
    .materials-needed {
        margin-top: 10px;
        gap: 6px;
    }
    
    .material-chip {
        padding: 4px 8px;
        font-size: 0.85rem;
    }
    
    .activity-meta {
        padding-top: 10px;
        margin-top: 10px;
    }
    
    /* Ensure entire page doesn't overflow */
    .container {
        padding: 10px;
        width: 100%;
        box-sizing: border-box;
    }
    
    /* Fix header for mobile */
    header {
        padding: 20px 15px;
        margin-bottom: 20px;
    }
    
    /* Fix filter section for mobile */
    .filter-options {
        gap: 8px;
    }
    
    .filter-chip {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
}

/* Extra fixes for very small screens */
@media (max-width: 360px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .filter-chip {
        padding: 6px 10px;
        font-size: 0.85rem;
    }
    
    /* Make sure cards don't have excess space */
    .activity-card {
        border-radius: 15px;
    }
}

/* General fix for box-sizing to prevent overflow */
* {
    box-sizing: border-box;
}