:root {
    --bg: #0f1117;
    --panel: #1a1d25;
    --panel-2: #232731;
    --text: #e6e8ef;
    --muted: #8a91a4;
    --accent: #4f9eff;
    --accent-hover: #6cb2ff;
    --error: #ff6b6b;
    --ok: #52c785;
    --border: #2b2f3a;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif; line-height: 1.5; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
code, pre, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13px; }
h1 { margin-top: 0; font-weight: 600; }
h2 { font-weight: 500; color: var(--muted); font-size: 14px; text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2rem; }

nav {
    display: flex; align-items: center; gap: 2rem;
    padding: 0.75rem 2rem; background: var(--panel);
    border-bottom: 1px solid var(--border);
}
nav .brand { font-weight: 700; }
nav ul { display: flex; gap: 0.5rem; list-style: none; padding: 0; margin: 0; flex: 1; }
nav a { color: var(--muted); padding: 0.5rem 0.9rem; border-radius: 6px; }
nav a:hover { color: var(--text); background: var(--panel-2); }
nav a.active { color: var(--text); background: var(--panel-2); }
nav .user { color: var(--muted); font-size: 13px; }

main { max-width: 1000px; margin: 2rem auto; padding: 0 2rem; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 1.2rem 1.4rem; margin-bottom: 1rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.grid .card { margin: 0; }
.grid .card h2 { font-size: 2rem; margin: 0 0 0.3rem; color: var(--text); text-transform: none; letter-spacing: 0; }
.grid .card p { margin: 0 0 0.8rem; color: var(--muted); }

.simple-list { list-style: none; padding: 0; }
.simple-list li { padding: 0.5rem 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.simple-list li:last-child { border: 0; }
.simple-list.big li { padding: 0.8rem 0; font-size: 1.05rem; }
.muted { color: var(--muted); font-size: 13px; }

textarea { width: 100%; background: var(--panel); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 1rem; font-family: ui-monospace, monospace; font-size: 13px; line-height: 1.5; min-height: 400px; resize: vertical; }
textarea.mono { font-family: ui-monospace, monospace; }

input[type=text], input[type=password], input:not([type]) {
    width: 100%; background: var(--panel); color: var(--text); border: 1px solid var(--border);
    border-radius: 6px; padding: 0.7rem; font-size: 14px;
}
label { display: block; margin-bottom: 1rem; font-size: 14px; color: var(--muted); }
label input { margin-top: 0.35rem; }

button, .btn-link { background: var(--accent); color: white; border: 0; padding: 0.7rem 1.4rem; border-radius: 6px; font-size: 14px; cursor: pointer; font-weight: 500; }
button:hover, .btn-link:hover { background: var(--accent-hover); color: white; }
.btn-link { display: inline-block; }
.buttons { margin-top: 1rem; display: flex; gap: 0.6rem; align-items: center; }

.flash { padding: 0.7rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 14px; }
.flash.error { background: rgba(255, 107, 107, 0.15); color: var(--error); border: 1px solid rgba(255, 107, 107, 0.3); }
.flash.ok { background: rgba(82, 199, 133, 0.15); color: var(--ok); border: 1px solid rgba(82, 199, 133, 0.3); }

body.center { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
body.center .card { max-width: 420px; width: 100%; }

.md pre { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 1rem; overflow-x: auto; white-space: pre-wrap; word-wrap: break-word; }