/* Base and theme */
*, *::before, *::after { box-sizing: border-box; }
:root {
    /* Grayscale palette */
    --bg: #0a0a0a;           /* near-black background */
    --bg-elev: #111111;      /* elevated surfaces */
    --text: #f2f2f2;         /* primary text */
    --text-muted: #a3a3a3;   /* secondary text */
    --border: #2a2a2a;       /* borders/dividers */
    --accent-1: #e5e5e5;     /* headings / highlights (light gray) */
    --accent-2: #c7c7c7;     /* subtle accents (mid gray) */
}

body{
    margin: 0;
    color: var(--text);
    background-color: var(--bg);
    line-height: 1.6;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

h1{
    color: var(--accent-1);
    font-family: Consolas, 'Liberation Mono', 'Courier New', monospace;
    font-size: 50px;
    
}

.tagline {
    margin: 0.5rem 0 1.25rem;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.whoami{
    color: var(--accent-2);
    font-size: 25px;
}

.my-coding-journey{
    color: var(--accent-2);
    font-size: 20px;
}
.my-coding-journey #coding-journey{
    color: var(--accent-2);
    font-size: 30px;
}
.my-coding-journey p{
    color: var(--accent-1);
}

.my-resume{
    color: var(--accent-1);
    font-size: 30px;
}

.life-updates{
    color: var(--text-muted);
    font-size: 20px;
}
.life-updates summary{
    list-style: none;
    cursor: pointer;
}
.life-updates summary::before{
    content: '';
    background-image: url('../img/programming.png');
    background-size: contain;
    background-repeat: no-repeat;
    display: inline-block;
    width: 25px;
    height: 25px;
    margin-right: 8px;
    transition: transform 0.3s ease;
}

.life-updates details { margin: 0 0 1rem; }

.update-subtitle {
    margin: 0.4rem 0 0.9rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Layout and spacing */
.container { max-width: 70ch; margin-inline: auto; padding: 2rem 1rem; }
section { margin: 2rem 0; padding-top: 2rem; border-top: 1px solid var(--border); }
.container > section:first-of-type { border-top: 0; padding-top: 0; }
p { margin: 0 0 1rem; }

a { color: var(--accent-2); text-underline-offset: 0.2em; }
a:hover { color: var(--accent-1); }

/* Focus visibility for accessibility */
a:focus-visible, summary:focus-visible {
    outline: 2px dashed var(--accent-2);
    outline-offset: 4px;
}

button:focus-visible {
    outline: 2px dashed var(--accent-2);
    outline-offset: 4px;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 0.75rem 0;
    margin-bottom: 1.5rem;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

.site-nav a {
    padding: 0.25rem 0.6rem;
    border: 1px solid transparent;
    border-radius: 999px;
    text-decoration: none;
    font-family: Consolas, 'Liberation Mono', 'Courier New', monospace;
    color: var(--text);
}

.site-nav a.brand {
    padding: 0.25rem 0.7rem;
    border-color: var(--border);
    background: var(--bg-elev);
    font-weight: 700;
    letter-spacing: 0.04em;
}

.site-nav a:hover {
    border-color: var(--border);
    background: var(--bg-elev);
}

/* Pills, tags, filters */
.pill-list { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 0; margin: .5rem 0 1rem; }
.pill-list li { padding: .25rem .6rem; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-elev); }

.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0 1rem; }
.life-updates [data-action="toggle-updates"] { margin: 0.25rem 0 1rem; }
.tag { padding: .3rem .7rem; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-elev); color: var(--text); font: inherit; cursor: pointer; }
.tag.active { border-color: var(--accent-2); background: var(--bg-elev); color: var(--text); }
button.tag { appearance: none; -webkit-appearance: none; }

/* Timeline */
.timeline { padding-left: 1rem; }
.timeline li { margin: .25rem 0; }

/* Align new sections with existing aesthetic */
.interests, .ai-ml { color: var(--accent-2); font-family: Consolas; font-size: 20px; }
.interests h2, .ai-ml h2 { color: var(--accent-1); font-family: Consolas; }
.interests p, .ai-ml p { color: var(--accent-1); }

.projects, .now { color: var(--accent-2); font-family: Consolas; font-size: 20px; }
.projects h2, .projects h3, .now h2 { color: var(--accent-1); font-family: Consolas; }

.interests .pill-list li { 
    border-color: var(--accent-2);
    color: var(--accent-2);
    background: transparent;
}
.interests .pill-list li:hover { 
    border-color: var(--accent-1); 
    color: var(--accent-1);
}

.filters .tag { font-family: Consolas; }
.ai-ml .timeline { border-left: none; }
.ai-ml .timeline li::marker { color: var(--accent-2); font-weight: 700; }

/* Title wave animation */
.wave-title { display: inline-block; }
.wave-title .wave-char { display: inline-block; will-change: transform; animation: title-wave 1.6s ease-in-out infinite; animation-delay: calc(var(--i) * 0.08s); }
@keyframes title-wave {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@media (prefers-reduced-motion: reduce) {
    .wave-title .wave-char { animation: none; }
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin: 1rem 0 1.25rem;
}

.card {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    background: var(--bg-elev);
}

.card h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.compact-list {
    margin: 0;
    padding-left: 1.1rem;
}

.compact-list li {
    margin: 0.35rem 0;
}

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0.75rem 0 1.25rem;
}

@media (max-width: 700px) {
    .data-table { min-width: 0; }
    .data-table thead { display: none; }
    .data-table,
    .data-table tbody,
    .data-table tr,
    .data-table td {
        display: block;
        width: 100%;
    }

    .data-table tr {
        border: 1px solid var(--border);
        border-radius: 12px;
        overflow: hidden;
        margin: 0 0 1rem;
        background: var(--bg-elev);
    }

    .data-table td {
        border: 0;
        border-bottom: 1px solid var(--border);
        padding: 0.6rem 0.7rem;
        display: flex;
        justify-content: space-between;
        gap: 1rem;
    }

    .data-table td::before {
        content: attr(data-label);
        color: var(--text-muted);
        flex: 0 0 auto;
    }

    .data-table td:last-child { border-bottom: 0; }
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
    background: var(--bg-elev);
}

.data-table th,
.data-table td {
    border: 1px solid var(--border);
    padding: 0.6rem 0.7rem;
    text-align: left;
}

.data-table th {
    background: rgba(255, 255, 255, 0.04);
}

.media {
    margin: 0;
}

.media img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.media figcaption {
    margin-top: 0.5rem;
    opacity: 0.85;
    font-size: 0.95rem;
}

.site-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-links a {
    font-family: Consolas, 'Liberation Mono', 'Courier New', monospace;
    text-decoration: none;
    padding: 0.2rem 0.55rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-elev);
    color: var(--text);
}

.footer-links a:hover {
    border-color: var(--accent-2);
}

.footer-meta {
    margin: 1rem 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

@media print {
    :root {
        --bg: #ffffff;
        --bg-elev: #ffffff;
        --text: #000000;
        --text-muted: #222222;
        --border: #cccccc;
        --accent-1: #000000;
        --accent-2: #111111;
    }

    body {
        background: #ffffff;
        color: #000000;
    }

    .site-nav,
    .filters,
    .life-updates [data-action="toggle-updates"] {
        display: none;
    }

    section {
        border-top: 0;
        padding-top: 0;
    }

    a {
        color: #000000;
        text-decoration: underline;
    }
}