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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: #0d1117;
    color: #c9d1d9;
    line-height: 1.6;
    font-size: 14px;
}

a { color: #58a6ff; text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 960px; margin: 0 auto; padding: 0 16px; }

header {
    background: #161b22;
    border-bottom: 1px solid #30363d;
    padding: 12px 0;
}
header .container { display: flex; align-items: center; gap: 16px; }
header .logo { font-weight: 700; font-size: 18px; color: #f0f6fc; }
nav a { color: #8b949e; }
nav a:hover { color: #f0f6fc; }

main { padding: 24px 0; }

.card {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 16px;
}

table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 12px; border-bottom: 1px solid #21262d; text-align: left; }
th { color: #8b949e; font-weight: 600; }

.btn {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid #30363d;
    background: #21262d;
    color: #c9d1d9;
    cursor: pointer;
    font-size: 14px;
}
.btn:hover { background: #30363d; }
.btn-primary { background: #238636; border-color: #2ea043; color: #fff; }
.btn-primary:hover { background: #2ea043; }

pre, code {
    font-family: 'Cascadia Code', 'Fira Code', monospace;
    font-size: 13px;
    background: #0d1117;
    border-radius: 4px;
}
pre { padding: 16px; overflow-x: auto; border: 1px solid #30363d; }
code { padding: 2px 5px; }

.flash { padding: 10px 16px; border-radius: 6px; margin-bottom: 16px; }
.flash-error   { background: #3d1c1c; border: 1px solid #f85149; color: #f85149; }
.flash-success { background: #1a3a1a; border: 1px solid #3fb950; color: #3fb950; }

input, textarea, select {
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 6px;
    color: #c9d1d9;
    padding: 6px 10px;
    font-size: 14px;
    width: 100%;
}
input:focus, textarea:focus { outline: none; border-color: #58a6ff; }

form .field { margin-bottom: 12px; }
form label { display: block; margin-bottom: 4px; color: #8b949e; font-size: 13px; }

.branch-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    background: #21262d;
    border: 1px solid #30363d;
    border-radius: 12px;
    padding: 2px 10px;
    color: #c9d1d9;
    white-space: nowrap;
}

.diff-add  { color: #3fb950; background: rgba(63,185,80,0.08); display: block; }
.diff-del  { color: #f85149; background: rgba(248,81,73,0.08); display: block; }
.diff-hunk { color: #79c0ff; display: block; }
.diff-meta { color: #8b949e; display: block; }
.diff-file { color: #d2a8ff; font-weight: 600; display: block; }