:root {
    --primary: #e63946;
    --dark: #1d3557;
    --light: #f8f9fa;
    --grey: #8d99ae;
    --grey-light: #e9ecef;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
    --primary: #ff6b6b;
    --dark: #f8f9fa;
    --light: #1a1a1a;
    --grey: #a0a0a0;
    --grey-light: #2d2d2d;
    --shadow: 0 5px 15px rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    padding: 0;
    max-width: 100%;
    margin: 0;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

nav a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

nav a:hover:after {
    width: 100%;
}

nav a.active:after {
    width: 100%;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: var(--dark);
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

.social-icon {
    width: 20px;
    height: 20px;
}

.search-container {
    margin: 2rem auto 3rem;
    position: relative;
    width: 100%;
}

.search-container input {
    width: 100%;
    padding: 0.8rem 1.2rem;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    background-color: var(--grey-light);
    transition: var(--transition);
    outline: none;
}

.search-container input:focus {
    box-shadow: 0 0 0 2px rgba(230, 57, 70, 0.2);
}

.social-icon-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--dark);
    transition: var(--transition);
}

.social-icon-button:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

.moon-icon,
.sun-icon {
    transition: var(--transition);
}

[data-theme="dark"] .moon-icon {
    display: none;
}

[data-theme="dark"] .sun-icon {
    display: block !important;
}

[data-theme="dark"] .post-card {
    background-color: var(--grey-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .search-container input {
    background-color: var(--grey-light);
    color: var(--dark);
}

.search-icon {
    position: absolute;
    right: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--grey);
}

.blog-post {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--grey-light);
    padding-bottom: 3rem;
}

.blog-post:last-child {
    border-bottom: none;
}

.post-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
    color: var(--dark);
    text-decoration: none;
}

.post-title a {
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
}

.post-title a:hover {
    color: var(--primary);
}

.post-meta {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    color: var(--grey);
    font-size: 0.9rem;
}

.post-date {
    margin-right: 1rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background-color: var(--grey-light);
    color: var(--grey);
    padding: 0.3rem 0.7rem;
    border-radius: 30px;
    font-size: 0.8rem;
    text-decoration: none;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary);
    color: white;
}

.post-content {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.post-content p:not(:last-child) {
    margin-bottom: 1em;
}

.read-more {
    display: inline-block;
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.read-more:hover {
    text-decoration: underline;
}

footer {
    margin-top: 4rem;
    padding: 2rem;
    text-align: center;
    color: var(--grey);
    font-size: 0.9rem;
    background-color: var(--grey-light);
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    nav ul {
        gap: 1.5rem;
    }

    .blog-post {
        margin-bottom: 3rem;
        padding-bottom: 2rem;
    }

    .post-title {
        font-size: 1.5rem;
    }
}