/* ======================================= */
/* === Globala Stilar (Grundinställningar) === */
/* ======================================= */

:root {
    /* Ljust Läge (Standard) */
    --main-bg-color: #f4f4f4;
    --card-bg-color: #ffffff;
    --text-color: #333;
    --link-color: #007bff;
    --link-hover-color: #0056b3;
    --header-footer-bg: #333;
    --header-footer-text: white;
    --button-bg: #007bff;
    --button-text: white;
    --button-hover-bg: #0056b3;
    --code-bg: #2d2d2d;
    --code-text: #f1f1f1;
    --tag-bg: #e0e0e0;
    --tag-text: #555;
}

/* Mörkt Läge Regler */
body.dark-mode {
    --main-bg-color: #1a1a1a;
    --card-bg-color: #2c2c2c;
    --text-color: #f0f0f0;
    --link-color: #4da6ff;
    --link-hover-color: #80bfff;
    --header-footer-bg: #222;
    --header-footer-text: #ddd;
    --button-bg: #4da6ff;
    --button-text: #1a1a1a;
    --button-hover-bg: #80bfff;
    --code-bg: #000;
    --code-text: #c0c0c0;
    --tag-bg: #444;
    --tag-text: #ddd;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--main-bg-color); 
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3 {
    color: var(--text-color);
}

/* === Header / Navigering (KORRIGERAD LAYOUT) === */
.main-header {
    background-color: var(--header-footer-bg);
    color: var(--header-footer-text);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between; 
    align-items: center;
    position: relative; /* VIKTIGT: Referenspunkt för mobilmenyn */
}

.header-left h1 {
    margin: 0;
    font-size: 1.8em;
}

.header-logo-link {
    color: var(--header-footer-text);
    text-decoration: none;
}

/* Flex-container för Dark Mode och Hamburger-knapp */
.header-right-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Dark Mode Växlingsknapp Stil */
#themeToggleBtn {
    background: none;
    border: none;
    color: var(--header-footer-text);
    font-size: 1.5em;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
}

/* Hamburgermenyn-knapp (Döljs som standard på desktop) */
.hamburger-menu-btn {
    display: none; 
    background: none;
    border: none;
    color: var(--header-footer-text);
    font-size: 2em;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

/* Navigering (Desktop) */
.main-nav {
    transition: transform 0.3s ease-out; 
}

.main-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    gap: 20px;
}

.main-nav a {
    color: var(--header-footer-text);
    text-decoration: none;
    font-weight: bold;
    padding: 5px 0;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: #a0a0a0; 
}


/* === Huvudinnehåll / Containers === */
.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

/* === Projektöversikt (Filter och Grid) === */
.filter-controls {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--tag-bg);
    color: var(--tag-text);
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.filter-btn.active {
    background-color: var(--button-bg);
    color: var(--button-text);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
}

.project-card img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 15px;
}

.tag {
    display: inline-block;
    background-color: var(--tag-bg);
    color: var(--tag-text);
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 0.8em;
    font-weight: bold;
    margin-bottom: 10px;
}

.read-more {
    display: inline-block;
    background-color: var(--button-bg);
    color: var(--button-text);
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.read-more:hover {
    background-color: var(--button-hover-bg);
}

.project-card.hide {
    display: none;
}

/* === Detaljsida / Blogg === */
.project-detail, .blog-post {
    background-color: var(--card-bg-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    line-height: 1.6;
}

/* Kodblock */
pre {
    background-color: var(--code-bg);
    color: var(--code-text);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: monospace;
    font-size: 0.9em;
}

/* === STILAR FÖR KONTAKTFORMULÄRET === */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 20px 0;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 1em;
    font-family: Arial, sans-serif;
    background-color: var(--main-bg-color); 
    color: var(--text-color);
}

/* === Sidfot === */
footer {
    background-color: var(--header-footer-bg);
    color: var(--header-footer-text);
    text-align: center;
    padding: 15px 30px;
    margin-top: 40px;
    font-size: 0.9em;
}

/* === SCROLL TILL TOPPEN KNAPP STIL === */
#scrollToTopBtn {
    display: none; 
    position: fixed;
    bottom: 20px; 
    right: 30px; 
    z-index: 99; 
    border: none;
    outline: none;
    background-color: var(--button-bg);
    color: var(--button-text);
    cursor: pointer;
    padding: 15px;
    border-radius: 50%; 
    font-size: 18px;
    line-height: 1;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: background-color 0.3s, transform 0.2s;
}

/* === VIDEO CONTAINER FÖR RESPONSIVITET === */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    margin-bottom: 20px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 8px;
}


/* ======================================= */
/* === RESPONSIVA REGLER (Media Queries) === */
/* ======================================= */

@media (max-width: 768px) {

    .main-header {
        padding: 10px 15px;
    }
    
    .main-header h1 {
        font-size: 1.5em;
    }
    
    /* VISA Hamburgerknappen */
    .hamburger-menu-btn {
        display: block; 
        z-index: 101; 
    }
    
    .header-right-controls {
        gap: 10px; 
        z-index: 101; 
    }
    
    /* DÖLJ Navigering (Flyttar den off-screen från höger) */
    .main-nav {
        position: absolute; 
        top: 100%; /* Starta precis under headern */
        right: 0; 
        width: 70%; 
        min-height: 100vh; /* Täck hela viewport-höjden */
        background-color: var(--header-footer-bg); 
        box-shadow: -2px 0 5px rgba(0,0,0,0.5);
        
        transform: translateX(100%); /* Helt dold från start */
        transition: transform 0.3s ease-out; 
        z-index: 100;
    }
    
    /* KLASSEN SOM JS LÄGGER TILL NÄR MENYN SKA SYNAS */
    .main-nav.active {
        transform: translateX(0); /* Skjut in menyn */
    }

    /* FIXAR MOBILMENYNS LÄNKAR */
    .main-nav ul {
        flex-direction: column;
        padding: 20px;
        align-items: flex-start;
        list-style: none;
        gap: 0; /* Ta bort gapet */
    }
    
    .main-nav li {
        width: 100%;
        border-top: 1px solid #444;
        margin: 0;
    }
    
    .main-nav li:first-child {
        border-top: none;
    }
    
    .main-nav a {
        color: var(--header-footer-text);
        text-decoration: none;
        display: block; 
        padding: 10px 0;
    }
    
    .container {
        padding: 0 15px;
    }

    .project-grid {
        gap: 15px;
    }
}

@media (max-width: 400px) {
    
    .filter-controls {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
}