:root {
    --bg: #0d1117; --header: #010409; --card: #161b22;
    --border: #30363d; --text: #e6edf3; --muted: #7d8590;
    --accent: #2f81f7; --green: #238636; --danger: #f85149;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; }
.hidden { display: none !important; }
button { cursor: pointer; font-family: inherit; }

.auth-wrap { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 1.5rem; }
.logo-circle { width: 56px; height: 56px; border-radius: 50%; background: var(--card); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-family: monospace; font-weight: 700; color: var(--accent); margin-bottom: 1rem; }
.auth-card { width: 100%; max-width: 340px; background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem; }
.err-box { width: 100%; max-width: 340px; background: rgba(248,81,73,0.15); border: 1px solid var(--danger); color: #ffa198; padding: 0.7rem; border-radius: 6px; font-size: 0.85rem; margin-bottom: 1rem; }
.fg { margin-bottom: 0.9rem; }
.fg label { display: block; font-size: 0.85rem; margin-bottom: 0.35rem; color: var(--text); }
.inp, textarea { width: 100%; padding: 0.5rem 0.7rem; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 0.9rem; font-family: inherit; }
.btn-green { width: 100%; padding: 0.55rem; background: var(--green); color: #fff; border: none; border-radius: 6px; font-weight: 600; }
.btn-guest { width: 100%; padding: 0.55rem; background: transparent; color: var(--accent); border: 1px solid var(--border); border-radius: 6px; font-weight: 600; margin-top: 0.75rem; }
.btn-guest:hover { background: rgba(47,129,247,0.1); border-color: var(--accent); }
.divider { text-align: center; color: var(--muted); font-size: 0.8rem; margin-top: 0.75rem; }

.top-bar { background: var(--header); border-bottom: 1px solid var(--border); padding: 0.75rem 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.badge { font-family: monospace; background: var(--card); border: 1px solid var(--border); padding: 0.2rem 0.55rem; border-radius: 6px; font-size: 0.8rem; color: var(--accent); }
.badge-admin { color: #3fb950; border-color: #238636; }
.btn-sm { background: var(--card); color: var(--text); border: 1px solid var(--border); padding: 0.3rem 0.7rem; border-radius: 6px; font-size: 0.8rem; text-decoration: none; display: inline-block; }
.btn-sm:hover { border-color: var(--accent); }
.btn-del:hover { border-color: var(--danger); color: var(--danger); }

.subnav { background: var(--header); border-bottom: 1px solid var(--border); padding: 0 1.5rem; display: flex; gap: 1.5rem; }
.tab { padding: 0.75rem 0.2rem; color: var(--muted); font-size: 0.9rem; cursor: pointer; border-bottom: 2px solid transparent; }
.tab.active { color: var(--text); font-weight: 600; border-bottom-color: #f78166; }

.container { max-width: 1180px; margin: 2rem auto; padding: 0 1.5rem; display: grid; grid-template-columns: 280px 1fr; gap: 2rem; }
@media (max-width: 820px) { .container { grid-template-columns: 1fr; } }
.avatar { width: 220px; height: 220px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #1f2937, #090d16); border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-family: monospace; font-size: 3rem; font-weight: 700; color: var(--accent); margin-bottom: 1rem; }
.p-name { font-size: 1.5rem; font-weight: 700; }
.p-login { font-size: 1.1rem; color: var(--muted); margin-bottom: 0.8rem; }
.status-box { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 0.45rem 0.7rem; font-size: 0.82rem; margin-bottom: 0.9rem; }
.p-bio { font-size: 0.92rem; margin-bottom: 0.9rem; }
.p-meta { font-size: 0.84rem; color: var(--muted); margin-bottom: 1rem; }
.skills { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1rem; }
.tag { background: rgba(56,139,253,0.12); border: 1px solid rgba(56,139,253,0.3); color: #58a6ff; padding: 0.15rem 0.55rem; border-radius: 99px; font-size: 0.75rem; }

.card { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 1.1rem; margin-bottom: 1rem; transition: border-color 0.15s; }
.clickable-card { cursor: pointer; }
.clickable-card:hover { border-color: var(--accent); }
.sec-head { display: flex; justify-content: space-between; align-items: center; margin: 1.2rem 0 0.7rem; font-weight: 600; }
.repo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (max-width: 680px) { .repo-grid { grid-template-columns: 1fr; } }
.repo-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.4rem; }
.repo-name { color: var(--accent); font-weight: 600; font-size: 1rem; }
.vis { font-size: 0.72rem; color: var(--muted); border: 1px solid var(--border); border-radius: 99px; padding: 0.05rem 0.5rem; }
.post-date { font-size: 0.78rem; color: var(--accent); margin-bottom: 0.25rem; }
.read-more { display: inline-block; margin-top: 0.5rem; font-size: 0.82rem; color: var(--accent); font-weight: 500; }

/* REPO DETAIL VIEW */
.repo-layout { display: grid; grid-template-columns: 1fr 270px; gap: 1.5rem; margin-top: 1rem; }
@media (max-width: 900px) { .repo-layout { grid-template-columns: 1fr; } }
.file-table { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; margin-bottom: 1.2rem; background: var(--bg); }
.file-header { background: var(--card); padding: 0.65rem 1rem; border-bottom: 1px solid var(--border); font-size: 0.85rem; display: flex; justify-content: space-between; align-items: center; }
.file-row { display: grid; grid-template-columns: 1.3fr 1.5fr auto; gap: 0.5rem; padding: 0.55rem 1rem; border-bottom: 1px solid var(--border); font-size: 0.86rem; align-items: center; }
.file-row:last-child { border-bottom: none; }
.file-row:hover { background: var(--card); }
.file-link { color: var(--text); font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 0.45rem; }
.file-link:hover { color: var(--accent); text-decoration: underline; }
.code-box { background: var(--card); border: 1px solid var(--border); border-radius: 6px; margin-bottom: 1.2rem; overflow: hidden; }
.code-top { padding: 0.55rem 1rem; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-family: monospace; font-size: 0.85rem; }
.code-pre { padding: 1rem; overflow-x: auto; font-family: monospace; font-size: 0.85rem; color: #e6edf3; background: #090d13; white-space: pre; }
.rel-box { border: 1px solid var(--border); border-radius: 6px; padding: 1rem; background: var(--card); margin-top: 1rem; }
.rel-tag { display: inline-block; background: rgba(63,185,80,0.15); border: 1px solid #3fb950; color: #3fb950; padding: 0.1rem 0.5rem; border-radius: 99px; font-size: 0.75rem; font-weight: 600; }
.btn-dl { display: block; width: 100%; text-align: center; background: var(--green); color: #fff; padding: 0.5rem; border-radius: 6px; text-decoration: none; font-size: 0.85rem; font-weight: 600; margin-top: 0.75rem; }

/* FULL BLOG ARTICLE */
.article-box { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1.75rem; }
.article-lead { font-size: 1.05rem; color: #b1bac4; border-left: 3px solid var(--accent); padding-left: 0.9rem; margin: 1rem 0 1.5rem; }
.article-body { font-size: 0.96rem; line-height: 1.7; white-space: pre-wrap; color: var(--text); }

.c-wrap { border: 1px solid var(--border); border-radius: 6px; padding: 0.9rem; overflow-x: auto; margin-top: 0.5rem; }
.c-grid { display: grid; grid-template-columns: repeat(52, 11px); grid-template-rows: repeat(7, 11px); gap: 3px; min-width: 660px; }
.c-cell { width: 11px; height: 11px; border-radius: 2px; background: #161b22; }
.c1 { background: #0e4429; } .c2 { background: #006d32; } .c3 { background: #26a641; } .c4 { background: #39d353; }

.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,0.75); display: flex; align-items: center; justify-content: center; padding: 1rem; z-index: 99; }
.modal { background: var(--card); border: 1px solid var(--border); border-radius: 8px; width: 100%; max-width: 560px; padding: 1.25rem; max-height: 90vh; overflow-y: auto; }
.modal h3 { margin-bottom: 1rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1rem; }