/* --- General Setup --- */
:root {
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --border-radius: 8px;
    --shadow: 0 4px 8px rgba(0,0,0,0.1);
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 0;
}

h1, h2, h3, h4 {
    color: var(--header-color);
}

h2 {
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
    margin-top: 40px;
}

section {
    background-color: var(--section-bg);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

a {
    color: var(--accent-color);
    text-decoration: none;
    text-orientation: left;
}

ul {
    list-style: none;
    padding: 0;
}

/* --- Header & Navigation --- */
header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    margin: 0;
    font-size: 2.5rem;
}

.contact-links a:hover {
    text-decoration: underline;
}
        
.section-title {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2rem;
}

#about p {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}
        
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.skill-category {
    background-color: var(--section-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.skill-category h3 {
    margin-top: 0;
    border-bottom: 2px solid #333;
    padding-bottom: 10px;
}

ul li {
    margin-bottom: 10px;
    position: relative;
    padding: 8px;
}

nav ul {
    display: flex;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--header-bg);
    min-width: 200px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.dropdown-content a {
    color: var(--header-text);
    padding: 12px 16px;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {
    background-color: var(--accent-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

#interactive-content {
    display: flex;
    gap: 20px;
    background: none;
    box-shadow: none;
    padding: 0;
}

.content-box {
    flex: 1;
    background-color: var(--section-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.placeholder {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    color: var(--text-color);
}


/* --- Skills & Grids --- */
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
.skills-list li {
    background-color: var(--section-bg);
    color: var(--text-color);
    padding: 10px 15px;
    border-radius: 12px;
}

/* Ensure all list items inside the skills section use the section background */
#skills ul li {
    background-color: var(--section-bg);
    color: var(--text-color);
    padding: 8px 10px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.tech-skills-grid, .two-column-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* --- Theme Switcher --- */
.theme-switcher {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--header-bg);
    padding: 10px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.theme-label {
    font-weight: bold;
    color: var(--header-text);
    text-align: center;
    margin-bottom: 5px;
}
.theme-button {
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 5px;
    color: #fff;
}
.theme-button.olive { background-color: #808000; }
.theme-button.purple { background-color: #800080; }
.theme-button.green { background-color: #008000; }
.theme-button.sky-blue { background-color: #87CEEB; }
.theme-button.dark { background-color: #333; }
.theme-button.light { background-color: #f0f0f0; color: #333; border: 1px solid #ccc; }


/* --- THEMES --- */

/* Default: Olive & Autumn */
.theme-olive-autumn {
    --bg-color: #FDF5E6; /* Old Lace */
    --text-color: #3B3C36; /* Dark Slate Gray */
    --header-bg: #556B2F; /* Dark Olive Green */
    --header-text: #FFFFFF;
    --section-bg: #FFFFFF;
    --accent-color: #D2691E; /* Chocolate */
    --accent-color-light: #F5DEB3; /* Wheat */
    --header-color: #8B4513; /* Saddle Brown */
    --border-color: #ccc;
}

/* Purple */
.theme-purple {
    --bg-color: #E6E6FA; /* Lavender */
    --text-color: #333333;
    --header-bg: #4B0082; /* Indigo */
    --header-text: #FFFFFF;
    --section-bg: #FFFFFF;
    --accent-color: #9370DB; /* Medium Purple */
    --accent-color-light: #D8BFD8; /* Thistle */
    --header-color: #483D8B; /* Dark Slate Blue */
    --border-color: #ccc;
}

/* Green */
.theme-green {
    --bg-color: #F0FFF0; /* Honeydew */
    --text-color: #333333;
    --header-bg: #006400; /* Dark Green */
    --header-text: #FFFFFF;
    --section-bg: #FFFFFF;
    --accent-color: #32CD32; /* Lime Green */
    --accent-color-light: #98FB98; /* Pale Green */
    --header-color: #2E8B57; /* Sea Green */
    --border-color: #ccc;
}

/* Sky Blue */
.theme-sky-blue {
    --bg-color: #F0F8FF; /* Alice Blue */
    --text-color: #333333;
    --header-bg: #007BFF; /* Bright Blue */
    --header-text: #FFFFFF;
    --section-bg: #FFFFFF;
    --accent-color: #87CEEB; /* Sky Blue */
    --accent-color-light: #B0E0E6; /* Powder Blue */
    --header-color: #4682B4; /* Steel Blue */
    --border-color: #ccc;
}

/* Dark Mode */
.theme-dark {
    --bg-color: #121212;
    --text-color: #E0E0E0;
    --header-bg: #1E1E1E;
    --header-text: #FFFFFF;
    --section-bg: #1E1E1E;
    --accent-color: #BB86FC; /* Light Purple */
    --accent-color-light: #373737;
    --header-color: #FFFFFF;
    --border-color: #555;
}

/* Light Mode */
.theme-light {
    --bg-color: #F4F4F4;
    --text-color: #333333;
    --header-bg: #FFFFFF;
    --header-text: #333333;
    --section-bg: #FFFFFF;
    --accent-color: #007BFF;
    --accent-color-light: #e0efff;
    --header-color: #0056b3;
    --border-color: #ccc;
}

/* Apply theme variables */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
}
/* --- RSS Feed Styles --- */
#rss-feed-container {
    height: 375px;
    padding: 10px;
    text-align: left;
    display: flex;
    flex-direction: column;
    overflow-y: auto; 
}
.feed-item {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.feed-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.feed-item a {
    font-weight: bold;
    text-decoration: none;
    transition: color 0.2s;
}

.feed-item a:hover {
    text-decoration: underline;
    color: var(--header-color);
}