:root {
    --primary-color: #3D7DCA; /* Pokémon blue */
    --secondary-color: #FFCB05; /* Pokémon yellow */
    --background-color: #f5f5f5;
    --card-background: #ffffff;
    --text-color: #333333;
    --border-color: #dddddd;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition-time: 0.3s;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
}

header {
    background: linear-gradient(to right, var(--primary-color), #003A70);
    color: white;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px var(--shadow-color);
}

h1 {
    margin: 0;
    font-size: 2.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color var(--transition-time);
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.type-nav {
    background-color: var(--card-background);
    padding: 1rem;
    box-shadow: 0 2px 5px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.type-nav ul {
    display: flex;
    list-style: none;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.type-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    padding: 0.5rem 0.8rem;
    border-radius: 30px;
    transition: all var(--transition-time);
    font-size: 0.9rem;
    display: block;
}

.type-nav a.active {
    color: white;
}

/* Type-specific navigation colors */
.type-nav a[data-type="normal"].active { background-color: #A8A878; }
.type-nav a[data-type="fire"].active { background-color: #F08030; }
.type-nav a[data-type="water"].active { background-color: #6890F0; }
.type-nav a[data-type="grass"].active { background-color: #78C850; }
.type-nav a[data-type="electric"].active { background-color: #F8D030; }
.type-nav a[data-type="ice"].active { background-color: #98D8D8; }
.type-nav a[data-type="fighting"].active { background-color: #C03028; }
.type-nav a[data-type="poison"].active { background-color: #A040A0; }
.type-nav a[data-type="ground"].active { background-color: #E0C068; }
.type-nav a[data-type="flying"].active { background-color: #A890F0; }
.type-nav a[data-type="psychic"].active { background-color: #F85888; }
.type-nav a[data-type="bug"].active { background-color: #A8B820; }
.type-nav a[data-type="rock"].active { background-color: #B8A038; }
.type-nav a[data-type="ghost"].active { background-color: #705898; }
.type-nav a[data-type="dragon"].active { background-color: #7038F8; }
.type-nav a[data-type="dark"].active { background-color: #705848; }
.type-nav a[data-type="steel"].active { background-color: #B8B8D0; }
.type-nav a[data-type="fairy"].active { background-color: #EE99AC; }
.type-nav a[data-type=""].active { background-color: var(--primary-color); }

.type-nav a:hover:not(.active) {
    background-color: var(--shadow-color);
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    animation: fadeIn 0.5s;
}

.section-header {
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.section-header h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 0.5rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--secondary-color);
}

.filter-container {
    display: flex;
    gap: 0.5rem;
}

select {
    padding: 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-background);
    color: var(--text-color);
    font-weight: 500;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--card-background);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 8px var(--shadow-color);
    transition: transform var(--transition-time), box-shadow var(--transition-time);
    cursor: pointer;
    position: relative;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px var(--shadow-color);
}

.card-image {
    width: 100%;
    height: 180px;
    object-fit: contain;
    background-color: #f9f9f9;
    padding: 1rem;
}

.card-content {
    padding: 1.2rem;
}

.card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.card p {
    margin-bottom: 0.5rem;
    color: var(--text-color);
    opacity: 0.8;
    font-weight: 500;
}

.pokemon-card {
    border-bottom: 4px solid var(--primary-color);
}

.pokemon-types {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.5rem;
}

.badge {
    display: inline-block;
    padding: 0.3rem 0.5rem;
    border-radius: 20px;
    font-size: 0.75rem;
    color: white;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--border-color);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: var(--card-background);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 80%;
    max-width: 900px;
    max-height: 85%;
    overflow-y: auto;
    position: relative;
    animation: slideIn 0.3s;
    border-top: 5px solid var(--primary-color);
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
    transition: color var(--transition-time);
}

.close-btn:hover {
    color: var(--primary-color);
}

.pokemon-detail-header {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.pokemon-detail-image {
    max-width: 250px;
    max-height: 250px;
    object-fit: contain;
    background-color: #f9f9f9;
    border-radius: 10px;
    padding: 1rem;
}

.pokemon-detail-info {
    flex: 1;
    min-width: 250px;
}

.pokemon-detail-info h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.pokemon-detail-section {
    margin-bottom: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.pokemon-detail-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-item {
    margin-bottom: 1rem;
}

.stat-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.3rem;
    font-weight: 500;
}

.stat-bar {
    height: 10px;
    background-color: #eee;
    border-radius: 5px;
    overflow: hidden;
}

.stat-value {
    height: 100%;
    background-color: var(--primary-color);
}

.evolution-chain {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.evolution-item {
    text-align: center;
    padding: 1rem;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.evolution-image {
    max-width: 100px;
    margin-bottom: 0.5rem;
}

.evolution-arrow {
    display: flex;
    align-items: center;
    padding: 0 0.5rem;
    font-size: 1.2rem;
    color: var(--primary-color);
}

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
    background-color: var(--primary-color);
    color: white;
}

footer a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
}

footer a:hover {
    text-decoration: underline;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive design */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    .main-nav ul {
        gap: 0.5rem;
    }

    .main-nav a {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }

    .type-nav {
        padding: 0.8rem 0.5rem;
        overflow-x: auto;
    }

    .type-nav ul {
        justify-content: flex-start;
        gap: 0.5rem;
        padding-bottom: 0.3rem;
    }

    .type-nav a {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-container {
        width: 100%;
    }

    select {
        flex-grow: 1;
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 1.5rem;
    }

    .pokemon-detail-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .about-header h2::after {
        left: 25%;
        width: 50%;
    }

    .social-links {
        justify-content: center;
    }
}

/* Type colors for Pokémon */
.type-normal { background-color: #A8A878; }
.type-fire { background-color: #F08030; }
.type-water { background-color: #6890F0; }
.type-grass { background-color: #78C850; }
.type-electric { background-color: #F8D030; }
.type-ice { background-color: #98D8D8; }
.type-fighting { background-color: #C03028; }
.type-poison { background-color: #A040A0; }
.type-ground { background-color: #E0C068; }
.type-flying { background-color: #A890F0; }
.type-psychic { background-color: #F85888; }
.type-bug { background-color: #A8B820; }
.type-rock { background-color: #B8A038; }
.type-ghost { background-color: #705898; }
.type-dragon { background-color: #7038F8; }
.type-dark { background-color: #705848; }
.type-steel { background-color: #B8B8D0; }
.type-fairy { background-color: #EE99AC; }

/* About section styles */
#about-section {
    display: none;
    padding: 2rem 0;
}

#about-section.active {
    display: block;
}

.about-container {
    background-color: var(--card-background);
    border-radius: 10px;
    box-shadow: 0 4px 8px var(--shadow-color);
    overflow: hidden;
    padding: 2rem;
}

.about-header {
    margin-bottom: 2rem;
    text-align: center;
}

.about-header h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.about-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 25%;
    width: 50%;
    height: 3px;
    background-color: var(--secondary-color);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    align-items: center;
}

.about-image {
    flex: 0 0 200px;
    text-align: center;
}

.creator-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--secondary-color);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.about-title {
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-text p {
    margin-bottom: 1.2rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.2rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color var(--transition-time);
}

.social-link:hover {
    background-color: #2b6cb0;
}