:root {
    --dark-bg: #1a1a1a;
    --darker-bg: #121212;
    --sidebar-bg: #202020;
    --orange: #ff5722;
    --dark-orange: #d84315;
    --text: #e5e5e5;
    --secondary-text: #a0a0a0;
    --transition: 0.3s ease-in-out;
    /* UI Improvements */
    --primary-color: #ff5722; /* Changed to orange */
    --accent-color: #ff9800; /* Example accent color */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif; /* More readable font */
}

body {
    background: var(--dark-bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 16px;
    line-height: 1.5;
}

/* header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--darker-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: var(--transition); /* Add transition */
}

/* Add a hover effect for the header */
.header:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--orange);
    font-size: 1.5rem;
    font-weight: bold;
    order: -1;
    transition: var(--transition); /* Add transition */
}

/* Add a hover effect for the logo */
.logo:hover {
    transform: translateX(-3px);
}

.search-bar {
    width: 400px;
    display: flex;
    align-items: center;
    transition: var(--transition); /* Add transition */
}

/* Responsive search bar */
@media (max-width: 768px) {
    .search-bar {
        width: 100%;
        margin: 1rem 0;
    }
}

.search-bar input {
    width: 100%;
    padding: 0.5rem 1rem;
    background: var(--dark-bg);
    border: 1px solid var(--secondary-text);
    color: var(--text);
    border-radius: 4px;
    transition: var(--transition); /* Add transition */
}

/* Hover effect for search input */
.search-bar input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.search-bar i {
    margin-left: -2rem;
    color: var(--secondary-text);
    transition: var(--transition); /* Add transition */
}

/* Hover effect for search icon */
.search-bar:hover i {
    color: var(--primary-color);
}

.login-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: var(--text);
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition); /* Add transition */
    border: none;
}

.login-btn:hover {
    background-color: var(--dark-orange);
    transform: translateY(-2px);
}

/* sidebar */
.sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 0;
    width: 65px; /* Further reduced width */
    background: var(--darker-bg);
    border-right: 2px solid var(--dark-orange);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 0.8rem 0; /* Adjusted padding */
    padding-top: 15px;
    z-index: 998;
    transition: var(--transition), width 0.3s ease;
    overflow: hidden;
}

.sidebar:hover {
    width: 170px; /* Adjusted expanded width */
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.9rem; /* Increased gap */
    padding: 0.75rem;
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
    margin-left: 0.3rem;
}

.sidebar:hover .nav-item span {
    display: inline-block;
}

.nav-item i {
    font-size: 1.3rem; /* Slightly smaller icon size */
    min-width: 30px; /* Adjusted for smaller icons */
    margin-left: 0; /* Removed margin */
}

.nav-item span {
    display: none;
    white-space: nowrap;
    font-size: 0.85rem; /* Slightly smaller font size */
}

.nav-item.active,
.nav-item:hover {
    color: var(--primary-color);
}

/* main */
.main-content {
    flex-grow: 1;
    margin-top: 60px;
    margin-left: 75px; /* Adjusted margin */
    padding: 2.5rem; /* Increased padding */
    display: grid;
    gap: 2.5rem; /* Increased gap */
    grid-template-areas:
        "banner banner banner"
        "manga anime news"
        "upcoming upcoming upcoming";
    grid-template-columns: repeat(3, 1fr);
    transition: var(--transition); /* Add transition */
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-areas:
            "banner banner"
            "manga anime"
            "news news"
            "upcoming upcoming";
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-content {
        margin-left: 0; /* Remove margin when sidebar is hidden */
        grid-template-areas:
            "banner"
            "manga"
            "anime"
            "news"
            "upcoming";
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }
}

/* banner principale */
.banner {
    grid-area: banner;
    background: var(--darker-bg);
    padding: 2rem;
    border-radius: 8px;
    display: flex;
    gap: 2rem;
    min-height: 300px;
    align-items: center; /* Align items vertically in the banner */
    overflow: hidden; /* Prevent content overflow */
    position: relative; /* For absolute positioning of pseudo-elements */
}

/* Add some fancy effects to the banner */
.banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 90deg at 50% -50%, var(--orange), transparent 60deg);
    z-index: -1;
    animation: rotate 6s linear infinite;
}

@keyframes rotate {
    to {
        transform: rotate(360deg);
    }
}

.banner::after {
    content: '';
    position: absolute;
    inset: 5px; /* Inset from all sides */
    background: var(--darker-bg);
    border-radius: 8px;
    z-index: -1;
}

.banner-image {
    width: 200px;
    height: 300px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5); /* Add a subtle shadow */
    transition: transform var(--transition); /* Add transition */
}

.banner-image:hover {
    transform: scale(1.05); /* Slightly scale up on hover */
}

.banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ensure the image covers the area */
}

.banner-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* Increased gap */
}

.banner-meta {
    display: flex;
    gap: 2rem;
    color: var(--secondary-text);
}

.banner-content h1 {
    font-size: 2.5rem;
    font-weight: bold;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5); /* Add text shadow */
}

.banner-content .login-btn {
    align-self: flex-start; /* Align the button to the start */
}

/* Responsive banner */
@media (max-width: 768px) {
    .banner {
        flex-direction: column;
    }

    .banner-image {
        width: 100%;
        max-width: 300px;
    }
}

/* sezioni */
.section {
    background: var(--darker-bg);
    border-radius: 8px;
    padding: 2rem; /* Increased padding */
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 500px
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4); /* Add a shadow effect */
    overflow: hidden; /* Prevent content overflow */
    position: relative; /* For absolute positioning of pseudo-elements */
    margin-bottom: 2.5rem; /* Increased margin */
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--orange), transparent 10%, transparent 90%, var(--orange));
    opacity: 0.1;
    z-index: -1;
}

.manga-section {
    grid-area: manga;
}

.anime-section {
    grid-area: anime;
}

.news-section {
    grid-area: news;
}

.tabs {
    display: flex;
    gap: 0.5rem;
}

.tab {
    padding: 0.5rem 1rem;
    color: var(--secondary-text);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
}

.tab.active {
    background: var(--primary-color);
    color: var(--text);
}

.content-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
    line-height: 1.6; /* Increased line height */
}

/* Customize scrollbar for content lists */
.content-list::-webkit-scrollbar {
    width: 8px;
}

.content-list::-webkit-scrollbar-track {
    background: var(--dark-bg);
    border-radius: 8px;
}

.content-list::-webkit-scrollbar-thumb {
    background: var(--orange);
    border-radius: 8px;
}

.content-item {
    display: flex;
    gap: 1rem;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background var(--transition);
    margin-bottom: 1.5rem; /* Increased margin */
}

.content-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.content-image {
    width: 60px;
    height: 80px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.content-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.content-image:hover img {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4); /* More prominent shadow */
}

.content-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.content-info strong {
    transition: color var(--transition);
}

.content-item:hover .content-info strong {
    color: var(--primary-color);
}

.content-meta {
    color: var(--secondary-text);
    font-size: 0.9rem;
}

/* News */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
    line-height: 1.6; /* Increased line height */
}

/* Customize scrollbar for news list */
.news-list::-webkit-scrollbar {
    width: 8px;
}

.news-list::-webkit-scrollbar-track {
    background: var(--dark-bg);
    border-radius: 8px;
}

.news-list::-webkit-scrollbar-thumb {
    background: var(--orange);
    border-radius: 8px;
}

.news-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--transition);
    margin-bottom: 1.5rem; /* Increased margin */
}

.news-item:hover {
    transform: translateX(5px);
}

.news-date {
    color: var(--orange);
    font-size: 0.9rem;
}

/* successivamente */
.upcoming {
    grid-area: upcoming;
    background: var(--darker-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    position: relative;
}

.upcoming::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, var(--orange), transparent 10%, transparent 90%, var(--orange));
    opacity: 0.1;
    z-index: -1;
}

.upcoming-grid {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.upcoming-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: transform var(--transition);
}

.upcoming-item:hover {
    transform: translateY(-5px);
}

.upcoming-image {
    aspect-ratio: 2/3;
}

.upcoming-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upcoming-info {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.upcoming-date {
    color: var(--orange);
    font-size: 0.9rem;
}

/* Modal Styles */
.modal {
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
    animation: fadeIn 0.3s ease-out;
    
    /* Centratura con Flexbox */
    align-items: center;
    justify-content: center;
    
    /* Hidden by default */
    display: none;
}

.modal.show {
    display: flex;
}

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

.modal-content {
    background-color: var(--darker-bg);
    margin: auto; /* Importante per centrare orizzontalmente */
    display: flex;
    flex-direction: column;
    justify-content: center; /* Centra verticalmente il contenuto */
    align-items: center; /* Centra orizzontalmente il contenuto */
    padding: 30px;
    border: 1px solid var(--dark-orange);
    width: 90%;
    max-width: 450px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    position: relative; /* Per il posizionamento del pulsante di chiusura */
    min-height: 0; /* Resetta l'altezza minima */
}

.close-btn {
    color: var(--secondary-text);
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition);
}

.modal-title {
    font-size: 28px;
    margin-bottom: 20px;
    text-align: center;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--secondary-text);
    border-radius: 5px;
    background-color: var(--dark-bg);
    color: var(--text);
    transition: border-color var(--transition);
}

.submit-btn {
    background-color: var(--primary-color);
    color: var(--text);
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    transition: background-color var(--transition);
    width: 100%;
}

.close-btn:hover,
.close-btn:focus {
    color: var(--dark-orange);
}

.submit-btn:hover {
    background-color: var(--dark-orange);
}

/* Media query for smaller screens */
@media (max-width: 768px) {
    .modal-content {
        width: 90%;
        margin: 25% auto;
    }
}

.register-link,
.login-link {
    text-align: center;
    margin-top: 10px;
}

.register-link a,
.login-link a {
    color: var(--primary-color);
    text-decoration: none;
}

.register-link a:hover,
.login-link a:hover {
    text-decoration: underline;
}