:root {
    --bg: #0b0c0f;
    --surface: #12141a;
    --elev: #191c24;
    --text: #e6e8ec;
    --muted: #a6adbb;
    --link: #7aa2ff;
    --accent: #6ee7b7;
    --chip: #232838;
    --chip-border: #2d3346;
    --shadow: 0 8px 24px rgba(0,0,0,0.35);
}

[data-theme="light"] {
    --bg: #f7f8fa;
    --surface: #ffffff;
    --elev: #ffffff;
    --text: #0d1321;
    --muted: #4a5568;
    --link: #335fcf;
    --accent: #0ea5e9;
    --chip: #f1f5f9;
    --chip-border: #e2e8f0;
    --shadow: 0 6px 18px rgba(2,6,23,0.08);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    line-height: 1.7;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link {
    position: absolute;
    left: -999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.skip-link:focus {
    left: 16px;
    top: 16px;
    width: auto;
    height: auto;
    padding: 8px 12px;
    background: var(--surface);
    border: 1px solid var(--chip-border);
    border-radius: 6px;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: linear-gradient(180deg, rgba(0,0,0,0.65), rgba(0,0,0,0)) , var(--surface);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--chip-border);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.identity .name {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
}
.identity .role { margin: 2px 0 10px; color: var(--muted); }

.contact-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.contact-list a, .contact-list .location { color: var(--text); opacity: 0.9; }

.actions { display: flex; gap: 10px; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #021016;
    border: none;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 600;
    box-shadow: var(--shadow);
    cursor: pointer;
}
.btn:hover { filter: brightness(0.98); }
.btn-ghost {
    background: transparent;
    border: 1px solid var(--chip-border);
    color: var(--text);
}

.site-main { padding: 28px 0 64px; }

.section { margin: 18px 0; }
.section h2 { margin: 0 0 12px; }

.section-summary .meta-highlights {
    display: flex;
    gap: 10px;
    padding: 0;
    margin: 14px 0 0;
    list-style: none;
}
.section-summary .meta-highlights li {
    background: var(--chip);
    border: 1px solid var(--chip-border);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 13px;
}

.section-experience .experience-item {
    background: var(--surface);
    border: 1px solid var(--chip-border);
    border-radius: 14px;
    padding: 18px;
    box-shadow: var(--shadow);
}
.experience-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}
.experience-header h3 { margin: 0; }
.experience-header .meta { color: var(--muted); font-size: 14px; display: flex; gap: 8px; }

.bullets { margin: 12px 0; padding-left: 18px; }
.bullets li { margin: 8px 0; }

.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-tags span {
    background: var(--chip);
    border: 1px solid var(--chip-border);
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 12px;
}

.section-skills .skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.section-skills .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.section-skills .chips span {
    background: var(--chip);
    border: 1px solid var(--chip-border);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 13px;
}

.site-footer {
    border-top: 1px solid var(--chip-border);
    padding: 18px 0;
    color: var(--muted);
}

.back-to-top {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--chip-border);
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow);
    cursor: pointer;
    display: none;
}
.back-to-top.show { display: inline-flex; align-items: center; justify-content: center; }

@media (max-width: 800px) {
    .section-skills .skills-grid { grid-template-columns: 1fr; }
    .experience-header { flex-direction: column; align-items: flex-start; }
}

/* Print styles */
@media print {
    :root { --bg: #ffffff; --text: #000000; --muted: #333; }
    body { background: #ffffff; color: #000000; }
    .site-header { position: static; background: #ffffff; border: none; }
    .actions, .back-to-top { display: none !important; }
    a { color: #000000; text-decoration: none; }
    .section-experience .experience-item { box-shadow: none; border-color: #ddd; }
}

.toggle-details {
    display: inline-block;
    background-color: var(--surface); 
    color: var(--accent);
    font-weight: 600;
    padding: 8px 16px;
    border: 1px solid var(--chip-border); 
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 12px;
    font-size: 0.95rem;
    box-shadow: 0 3px 6px rgba(0,0,0,0.4);
}

.toggle-details:hover {
    background-color: var(--elev); 
    color: var(--link); 
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.5);
}

.toggle-details:active {
    transform: translateY(0);
    box-shadow: 0 3px 6px rgba(0,0,0,0.3);
}