:root {
    /* Colores y fuentes predefinidos ;) */
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #1abc9c;
    --background-color: #ecf0f1;
    --text-color: #333;
    --text-light-color: #fff;
    --font-stack: 'Helvetica Neue', Arial, sans-serif;
    --border-radius: 8px;
    --transition-speed: 0.3s;
    --animation-duration: 0.5s;
    --suggestion-hover-color: #E0B59C;
    --suggestion-divider-color: #E0B59C; /* Color para las líneas divisorias */
}

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

body {
    font-family: var(--font-stack);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background: var(--primary-color);
    color: var(--text-light-color);
    padding: 1rem;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container img {
    height: 60px;
    transition: transform var(--animation-duration) ease;
}

.logo-container img:hover {
    transform: rotate(360deg);
}

.navbar {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--text-light-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed) ease;
}

.nav-link.active,
.nav-link:hover {
    background-color: var(--accent-color);
    color: var(--text-light-color);
}

.search-container {
    position: relative;
    flex-grow: 1;
    max-width: fit-content;
    display: flex;
    align-items: center;
}

.search-input {
    padding: 0.5rem;
    border: 1px solid var(--secondary-color);
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    margin-right: 0.5rem;
}

.search-input:focus {
    border-color: var(--accent-color);
    outline: none;
}

.search-button {
    padding: 0.5rem 1rem;
    background: var(--accent-color);
    color: var(--text-light-color);
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed) ease;
}

.search-button:hover {
    background-color: darken(var(--accent-color), 10%);
}

.search-suggestions {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--text-light-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 100;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.search-input:focus + .search-suggestions {
    display: block;
    max-height: 500px;
}

.search-suggestions ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.search-suggestions ul li {
    padding: 0.5rem;
    border-bottom: 1px solid var(--suggestion-divider-color);
    transition: background-color var(--transition-speed) ease;
    cursor: pointer;
    color: var(--secondary-color);
}

.search-suggestions ul li:hover {
    background-color: var(--suggestion-hover-color);
}

.search-suggestions ul li:last-child {
    border-bottom: none;
}

@keyframes slideDown {
    0% {
        max-height: 0;
    }
    100% {
        max-height: 20rem;
    }
}

.search-button {
    padding: 0.5rem 1rem;
    background: var(--accent-color);
    color: var(--text-light-color);
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: transform var(--animation-duration) ease, background-color var(--animation-duration) ease;
}

.search-button:hover {
    transform: scale(1.1);
}

.main-container {
    display: flex;
    gap: 1rem;
    margin: 1rem;
    flex: 1;
}

.sidebar,
.notifications {
    flex: 1;
    background: var(--secondary-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    transition: all var(--animation-duration) ease;
}

.sidebar:hover,
.notifications:hover {
    background-color: darken(var(--secondary-color), 10%);
}

.menu,
.notification-list,
.trending-list,
.activity-list {
    list-style: none;
}

.menu-item,
.notification-item,
.trending-list li,
.activity-list li {
    color: var(--text-light-color);
    padding: 0.5rem 0;
    display: block;
    transition: transform var(--animation-duration) ease, color var(--animation-duration) ease;
}

.menu-item:hover,
.notification-item:hover,
.trending-list li:hover,
.activity-list li:hover {
    transform: scale(1.1);
    color: var(--suggestion-color);
}

.content {
    flex: 3;
    padding: 1rem;
}

.posts,
.trending,
.recent-activity {
    margin-bottom: 1rem;
}

.post {
    background-color: var(--text-light-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: box-shadow var(--animation-duration) ease;
}

.post:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.post-title,
.post-meta,
.trending h3,
.recent-activity h3 {
    margin-bottom: 0.5rem;
}

.post-meta a,
.trending-list a,
.activity-list a {
    color: var(--accent-color);
    transition: color var(--animation-duration) ease;
}

.post-meta a:hover,
.trending-list a:hover,
.activity-list a:hover {
    color: darken(var(--accent-color), 10%);
}

.button {
    background: var(--accent-color);
    color: var(--text-light-color);
    border: none;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: transform var(--animation-duration) ease, background-color var(--animation-duration) ease;
}

.button:hover {
    transform: scale(1.1);
}

.footer {
    background: var(--primary-color);
    color: var(--text-light-color);
    text-align: center;
    padding: 1rem;
    margin-top: auto;
    transition: all var(--animation-duration) ease;
}

.footer:hover {
    background-color: var(--accent-color);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--animation-duration) ease;
}

.footer-content span {
    display: inline-block;
    transition: all var(--animation-duration) ease;
}

.footer-content span.fade {
    opacity: 0;
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: center;
        padding: 1rem;
    }

    .navbar {
        flex-direction: row;
        justify-content: space-around;
        width: 100%;
    }

    .nav-link {
        width: auto;
        text-align: center;
    }

    .main-container {
        flex-direction: column;
    }

    .sidebar,
    .notifications {
        width: 100%;
        margin-bottom: 1rem;
    }

    .content,
    .posts,
    .trending,
    .recent-activity {
        width: 100%;
    }

    .search-container {
        width: 100%;
    }

    .search-input {
        width: calc(100% - 2rem);
        margin-right: 0.5rem;
    }

    .search-button {
        width: auto;
    }
}


/* LOGIN.HTML */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: var(--font-stack);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.login-container {
    width: 100%;
    max-width: 400px;
    margin: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}
.login-form {
    width: 100%;
    margin-bottom: 1rem;
}
.login-form label {
    display: block;
    margin-bottom: .5rem;
}
.login-form input {
    width: 100%;
    padding: .5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--secondary-color);
    border-radius: var(--border-radius);
}
.login-form .login-button {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-light-color);
    background-color: var(--accent-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
}
.login-form .login-button:hover {
    background-color: darken(var(--accent-color), 10%);
}
a {
    color: var(--accent-color);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}


/* REGISTRE.HTML */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: var(--font-stack);
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.register-container {
    max-width: 400px;
    margin: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}
.register-form {
    width: 100%;
}
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    margin-bottom: .5rem;
}
.form-group input {
    width: 100%;
    padding: .5rem;
    border: 1px solid var(--secondary-color);
    border-radius: var(--border-radius);
}
.form-group input[type="file"] {
    border: none;
}
.button {
    width: 100%;
    padding: 1rem;
    background-color: var(--accent-color);
    color: var(--text-light-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
}
.button:hover {
    background-color: darken(var(--accent-color), 10%);
}
.login-link {
    margin-top: 1rem;
}
.login-link a {
    color: var(--accent-color);
    text-decoration: none;
}
.login-link a:hover {
    text-decoration: underline;
}


/* PERFIL.HTML */

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

body {
    font-family: var(--font-stack);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background: var(--primary-color);
    color: var(--text-light-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container img {
    height: 60px;
    transition: transform var(--animation-duration) ease;
}

.logo-container img:hover {
    transform: rotate(360deg);
}

.navbar {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: var(--text-light-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed) ease;
}

.nav-link.active, .nav-link:hover {
    background-color: var(--accent-color);
}

.profile-main {
    padding: 1rem;
    display: flex;
    justify-content: center;
}

.profile-container {
    width: 100%;
    max-width: 800px;
    background: var(--background-color);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.profile-picture {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}

.profile-info h1, .bio {
    margin: 0;
    padding: 0;
}

.social-links {
    display: flex;
    gap: 10px;
    margin: 10px 0;
}

.social-link {
    color: var(--accent-color);
    text-decoration: none;
}

.social-link:hover {
    text-decoration: underline;
}

.profile-posts h2 {
    margin-top: 0;
}

.post {
    margin-bottom: 2rem;
}

.post h3 {
    margin: 0 0 1rem 0;
}

.post-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.button {
    padding: 0.5rem 1rem;
    background-color: var(--accent-color);
    color: var(--text-light-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.button:hover {
    background-color: darken(var(--accent-color), 10%);
}

.footer {
    text-align: center;
    padding: 1rem;
    background: var(--primary-color);
    color: var(--text-light-color);
    margin-top: auto;
}