:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --border-color: #333333;
    --highlight: #ffffff;
    --highlight-text: #000000;
    --active-green: #00ff00;
    --expired-red: #ff0000;
    --planned-orange: #ffaa00;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Fira Code', monospace;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* --- Layout --- */
.app-container { display: flex; flex: 1; overflow: hidden; }

/* Sidebar */
.sidebar {
    width: 250px;
    border-right: 1px solid var(--text-color);
    display: flex;
    flex-direction: column;
    padding-top: 10px;
    background: #000;
    z-index: 10;
}
.sidebar-header { padding: 0 1rem 1rem; color: #666; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; }
.nav-item { padding: 5px 1rem; cursor: pointer; font-size: 0.9rem; display: flex; gap: 10px; }
.nav-item:hover, .nav-item.active { background-color: var(--highlight); color: var(--highlight-text); }

/* --- Main Buffer (The Scroll Fix) --- */
/* We move the scrollbar to this wrapper so the Gutter and Content scroll together */
.main-buffer { 
    flex: 1; 
    display: flex; 
    overflow-y: auto; /* Scrollbar lives here */
    position: relative; 
}

.gutter {
    width: 50px;
    min-height: 100%; /* Ensure it stretches with content */
    background: var(--bg-color);
    border-right: 1px dashed var(--border-color);
    text-align: right;
    padding-right: 10px;
    
    /* Fixed Alignment Settings */
    padding-top: 20px;
    font-size: 15px;
    line-height: 24px; /* Matches content line-height */
    
    color: #444;
    user-select: none;
    flex-shrink: 0; /* Prevents shrinking */
}

.content { 
    flex: 1; 
    padding: 20px; 
    overflow: visible; /* Let content grow */
    
    /* Fixed Alignment Settings */
    font-size: 15px; 
    line-height: 24px; /* Matches gutter line-height */
}

/* Ensure text inside cards aligns with the grid */
.cert-card p, .cert-card h2 {
    line-height: 24px;
    white-space: pre-wrap; /* Respects \n newlines */
}

/* --- Components --- */

/* Tables */
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px dashed #444; }
th { border-bottom: 1px solid var(--text-color); text-transform: uppercase; }

/* Status Bar & Command Line */
.status-bar-container { display: flex; flex-direction: column; }
.status-bar {
    height: 25px;
    background: var(--highlight);
    color: var(--highlight-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    font-size: 0.85rem;
    font-weight: bold;
}
.mode { margin-right: 15px; }

.command-line {
    height: 30px;
    background: #000;
    border-top: 1px solid #333;
    display: flex;
    align-items: center;
    padding: 0 10px;
}
.cmd-prompt { color: #fff; margin-right: 5px; font-weight: bold; }
#vim-cmd {
    background: transparent;
    border: none;
    color: #fff;
    font-family: 'Fira Code', monospace;
    width: 100%;
    outline: none;
}

/* --- Certificate Styles --- */

/* Badge Images (Large & Transparent) */
.cert-badge-img {
    width: 180px;        /* Fixed large size */
    height: 180px;       
    object-fit: contain; /* Keeps aspect ratio */
    display: block;
    margin-left: 20px;   /* Space from text */
    
    /* Hacker Vibe */
    filter: grayscale(100%) contrast(1.2);
    opacity: 0.9;
    
    /* Remove borders/backgrounds for transparency */
    border: none; 
    background: transparent; 
    padding: 0;
}

/* Status Badges */
.active-badge { border: 1px solid var(--active-green); color: var(--active-green); padding: 2px 6px; font-weight: bold; font-size: 0.8rem; letter-spacing: 1px; }
.expired-badge { border: 1px solid var(--expired-red); color: var(--expired-red); padding: 2px 6px; font-weight: bold; font-size: 0.8rem; text-decoration: line-through; }
.planned-badge { border: 1px solid var(--planned-orange); color: var(--planned-orange); padding: 2px 6px; font-weight: bold; font-size: 0.8rem; letter-spacing: 1px; }

/* Progress Bar */
.progress-container { width: 100%; height: 6px; border: 1px solid #333; margin-top: 5px; margin-bottom: 15px; position: relative; background: #111; }
.progress-fill { height: 100%; background-color: #fff; transition: width 0.03s linear; }

/* Grid Layout for Side-by-Side Certs */
.issuer-section { margin-bottom: 60px; border-left: 2px solid #333; padding-left: 20px; }
.issuer-title { color: #888; text-transform: uppercase; font-size: 0.9rem; margin-bottom: 20px; letter-spacing: 2px; font-weight: bold; }

.cert-grid { display: flex; flex-wrap: wrap; gap: 30px; }

.cert-card {
    flex: 1 1 500px; /* Wide cards to fit text + big image */
    background: #080808;
    border: 1px solid #222;
    padding: 25px;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 250px; 
}

/* Typography & Utils */
h1 { font-size: 1.5rem; margin-bottom: 1rem; border-bottom: 1px dashed white; padding-bottom: 0.5rem; }
h2 { font-size: 1.2rem; margin-top: 1.5rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; max-width: 800px; }
.neofetch-container { display: flex; gap: 40px; margin-top: 20px; flex-wrap: wrap; }
.ascii-art { color: var(--highlight); font-weight: bold; white-space: pre; line-height: 1.2; }
.info-block div { margin-bottom: 5px; }
.label { color: #888; margin-right: 10px; }
button { cursor: pointer; }

/* --- Blog & Markdown Styling --- */
.blog-row:hover {
    background-color: #111;
}

.markdown-body {
    margin-top: 20px;
    max-width: 800px;
}

.markdown-body h1 {
    font-size: 1.8rem;
    border-bottom: 2px solid #333;
    margin-top: 30px;
    margin-bottom: 20px;
    color: #fff;
}

.markdown-body h2 {
    font-size: 1.4rem;
    margin-top: 25px;
    margin-bottom: 15px;
    color: #ddd;
    border-bottom: 1px dashed #444;
}

.markdown-body h3 {
    font-size: 1.1rem;
    color: #aaa;
    margin-top: 20px;
}

.markdown-body ul, .markdown-body ol {
    margin-left: 20px;
    margin-bottom: 15px;
    color: #ccc;
}

.markdown-body li {
    margin-bottom: 5px;
}

.markdown-body blockquote {
    border-left: 3px solid #555;
    padding-left: 15px;
    color: #888;
    margin: 20px 0;
    font-style: italic;
    background: #050505;
    padding: 10px;
}

.markdown-body code {
    background: #222;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
    color: #ffaa00;
}

.markdown-body pre {
    background: #111;
    padding: 15px;
    border: 1px solid #333;
    overflow-x: auto;
    margin-bottom: 20px;
}

.markdown-body pre code {
    background: transparent;
    padding: 0;
    color: #ccc;
}

/* =========================================
   MOBILE RESPONSIVENESS (Max-Width 768px)
   ========================================= */
@media (max-width: 768px) {

    /* --- 1. LAYOUT --- */
    .app-container {
        flex-direction: column;
    }

    /* --- 2. SIDEBAR (Top Navigation Bar) --- */
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid #333;
        padding: 0;
        flex-shrink: 0;
    }

    .sidebar-header {
        display: none;
    }

    #file-explorer {
        display: flex;
        overflow-x: auto; /* Scroll horizontally */
        padding: 10px;
        background: #000;
        gap: 10px;
        -webkit-overflow-scrolling: touch;
    }

    .nav-item {
        white-space: nowrap;
        border: 1px solid #333;
        padding: 8px 15px;
        background: #080808;
        font-size: 0.85rem;
        color: #888;
    }

    /* FIX: Active tab is now White Background / Black Text */
    .nav-item.active {
        background-color: #ffffff !important;
        color: #000000 !important;
        border-color: #ffffff;
        font-weight: bold;
    }

    /* --- 3. MAIN CONTENT --- */
    .gutter {
        display: none; /* Hide line numbers on mobile */
    }

    .content {
        padding: 15px;
        font-size: 0.9rem;
        line-height: 1.4;
        overflow-x: hidden;
    }

    /* --- 4. ABOUT PAGE (Side-by-Side Fix) --- */
    .neofetch-container {
        display: flex;
        flex-direction: row !important; /* Force side-by-side */
        flex-wrap: nowrap;
        align-items: flex-start !important;
        gap: 5px; /* Tiny gap */
        overflow: hidden;
    }

    .ascii-art {
        /* Increased size for better visibility */
        font-size: 4px !important; 
        line-height: 5px !important;
        
        flex: 0 0 auto;
        margin-right: 5px;
        color: var(--highlight);
        overflow: hidden; /* Clips edges if it gets too wide */
    }

    .info-block {
        flex: 1; /* Take remaining space */
        font-size: 0.75rem; /* Smaller text for system info */
        padding-top: 5px;
        min-width: 0; /* Allow text to wrap correctly */
    }
    
    .info-block .label {
        display: inline-block;
        width: 45px; /* Align labels nicely */
    }

    /* --- 5. PROJECTS & BLOG (Card View) --- */
    table, thead, tbody, th, td, tr {
        display: block;
    }

    thead tr { 
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    tbody tr {
        border: 1px solid #333;
        margin-bottom: 20px;
        padding: 15px;
        background: #050505;
        border-radius: 4px;
    }

    td {
        border: none;
        padding-left: 0;
        padding-bottom: 8px;
    }

    /* Card Styling for Tables */
    td:nth-of-type(1) { /* Title */
        font-size: 1.1rem; 
        font-weight: bold; 
        color: #fff; 
        border-bottom: 1px dashed #222;
        padding-bottom: 8px;
        margin-bottom: 8px;
    }

    td:nth-of-type(4) a { /* Link Button */
        display: inline-block;
        margin-top: 5px;
        background: #222;
        padding: 8px 15px;
        text-decoration: none;
        color: white;
        font-size: 0.8rem;
        border: 1px solid #444;
        width: 100%;
        text-align: center;
    }

    /* --- 6. CERTIFICATES GRID (Big Icons Fix) --- */
    .cert-grid {
        flex-direction: column;
    }
    
    .cert-card {
        padding: 25px;
        text-align: center; /* Center everything */
    }

    /* Force the Badge to be on TOP */
    .cert-card > div:first-child {
        flex-direction: column-reverse !important; 
        align-items: center !important;
        justify-content: center;
    }

    /* Remove padding from the text container so it centers properly */
    .cert-card > div:first-child > div {
        padding-right: 0 !important;
        width: 100%;
    }

    /* Make the Badge LARGE */
    .cert-badge-img {
        width: 150px !important;  /* Force 150px width */
        height: 150px !important; /* Force 150px height */
        margin-left: 0 !important;
        margin-bottom: 20px !important; /* Push text down */
        object-fit: contain;
    }

    /* --- 7. FOOTER --- */
    .status-bar-container {
        position: sticky;
        bottom: 0;
        z-index: 999;
    }
    
    .status-right {
        display: none;
    }
}