/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0f1117;
    color: #e1e4e8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Top Nav ──────────────────────────────────────────────── */
.mt-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.7rem 1.5rem;
    background: #161b22;
    border-bottom: 1px solid #30363d;
    flex-shrink: 0;
}

.mt-nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mt-nav-brand {
    font-weight: 700;
    font-size: 1rem;
    color: #f0f6fc;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.mt-nav-links {
    display: flex;
    gap: 0.25rem;
}

.mt-nav-links a {
    color: #8b949e;
    text-decoration: none;
    font-size: 0.82rem;
    padding: 0.35rem 0.7rem;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}

.mt-nav-links a:hover {
    background: #21262d;
    color: #c9d1d9;
}

.mt-nav-links a.active {
    background: #21262d;
    color: #f0f6fc;
}

/* ── Buttons ──────────────────────────────────────────────── */
button {
    background: #21262d;
    color: #c9d1d9;
    border: 1px solid #30363d;
    border-radius: 6px;
    padding: 0.45rem 0.9rem;
    font-size: 0.82rem;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

button:hover { background: #30363d; border-color: #484f58; }

button.primary {
    background: #238636;
    border-color: #2ea043;
    color: #fff;
}

button.primary:hover { background: #2ea043; }

button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Inputs ───────────────────────────────────────────────── */
input[type="text"] {
    flex: 1;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 6px;
    padding: 0.45rem 0.7rem;
    color: #c9d1d9;
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.15s;
}

input[type="text"]:focus { border-color: #58a6ff; }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #484f58;
}