:root {
    --primary-color: #FF0000;
    --text-color: #1f2937;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --header-bg: #f9fafb;
    --border-color: #e5e7eb;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: "Press Start 2P", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
}

/* --- Footer fijo al fondo --- */

footer {
  flex-shrink: 0;
  text-align: center;
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--text-color);
  padding-bottom: rem;
}

.pokedex {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: auto;
    padding-top: 2rem;
}

header {
    text-align: center;
    margin-bottom: 2
    rem;
    width: 100%;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

header p {
    color: var(--text-color);
    font-size: 1rem;
}

.search-container {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    margin-bottom: 2rem;
    width: 100%;
    max-width: 40rem;
}

.search-form {
    display: flex;
    gap: 0.5rem;
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
}

.nav-button {
    padding: 0.5rem 1rem;
    border: none;
    background-color: var(--primary-color);
    color: white;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.3s;
}

.nav-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-button:not(:disabled):hover {
    transform: scale(1.05);
}

input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.5rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: all 0.3s;
    font-family: "Press Start 2P";
}

input:focus {
    border-color: var(--primary-color);
    outline: none;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
}

button:hover:not(:disabled) {
    transform: scale(1.05);
}

button img{
    width: 2rem;
    height: 2rem;
}

.error-message {
    margin-top: 1rem;
    padding: 1rem;
    color: #DC2626;
    background-color: #FEE2E2;
    border-radius: 0.5rem;
    display: none;
    font-size: 0.7rem;
}

.pokemon-info {
    width: 100%;
    background-color: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-out;
}

.pokemon-info.visible {
    opacity: 1;
    transform: translateY(0);
}

.upper-info {
    display: flex;
    flex-direction: column;
}

.pokemon-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
}

.pokemon-header h2{
    font-size: 1rem;
}

.pokemon-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
    transition: transform 0.3s;
}

.pokemon-image:hover {
    transform: scale(1.1);
}

.pokemon-types-container {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 2px solid var(--border-color);
}

th {
    background-color: var(--primary-color);
    color: var(--card-bg);
    font-size: 0.7rem;
}

td {
    color: var(--text-color);
    font-size: 0.6rem;
}

td:first-child {
    font-weight: 500;
    width: 40%;
}

.description-container {
    padding: 1rem;
    background-color: var(--header-bg);
}

.description-container h3 {
    color: var(--primary-color);
    font-size: 1rem;
}

.description-container p{
    font-size: 0.7rem;
}

.stats-container {
    background-color: var(--primary-color);
    padding: 1rem;
    color: var(--card-bg);
}

.stats-container h2 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.stat-card {
    background-color: var(--card-bg);
    padding: 0.5rem;
    border-radius: 0.5rem;
    text-align: center;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: scale(1.05);
}

.stat-name {
    font-size: 0.5rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
}

.evolution-chain {
    padding: 1.5rem;
    background-color: var(--header-bg);
}

.evolution-chain h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-align: center;
    font-size: 1.2rem;
}

.evolution-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.evolution-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: transform 0.3s;
}

.evolution-item:hover {
    transform: scale(1.05);
}

.evolution-item img {
    width: 100px;
    height: 100px;
    object-fit: contain;
}

.evolution-item p {
    color: var(--text-color);
    font-size: 0.9rem;
    text-align: center;
}

.evolution-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

.type-badge {
    padding: 0.25rem 1rem;
    border-radius: 0.99rem;
    font-size: 0.7rem;
    font-weight: 500;
    color: white;
    text-transform: capitalize;
}

.type-normal { background-color: #A8A878; }
.type-fire { background-color: #F08030; }
.type-water { background-color: #6890F0; }
.type-electric { background-color: #F8D030; }
.type-grass { background-color: #78C850; }
.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; }

.hidden {
    display: none;
}

@media (min-width: 768px) {
    h1{
        font-size: 2rem;
    }

    header p {
    font-size: 1rem;
    }

    .upper-info {
        flex-direction: row;
    }

    .pokemon-header {
        width: 40%;
        border-right: 1px solid var(--border-color);
        border-bottom: none;
    }

    table {
        width: 60%;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .pokemon-image {
        width: 250px;
        height: 250px;
    }

    .stats-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .evolution-container {
        gap: 3rem;
    }

    .evolution-item img {
        width: 120px;
        height: 120px;
    }
}