:root {
    --bg: #0f1115;
    --fg: #eaeaea;
    --accent: #ff7a2a;
    --muted: #1a1d24;
    --border: #333;
}
* { box-sizing: border-box; }
body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--fg);
    margin: 0;
    line-height: 1.5;
}
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--muted);
}
.brand {
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
    font-size: 1.25rem;
}
.topbar nav a {
    color: var(--fg);
    text-decoration: none;
    margin-left: 1rem;
}
main {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
}
.hero {
    text-align: center;
    padding: 4rem 1rem;
}
.hero h1 {
    font-size: 2.5rem;
    margin: 0 0 1rem;
    letter-spacing: -0.5px;
}
.hero .lead {
    font-size: 1.15rem;
    color: #ccc;
    max-width: 600px;
    margin: 0 auto 2rem;
}
.btn {
    background: var(--accent);
    color: #000;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}
.btn:hover {
    filter: brightness(1.1);
}
.hint {
    color: #888;
    font-size: 0.9rem;
    margin-top: 1rem;
}
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    padding: 3rem 1rem;
}
.feature h3 {
    color: var(--accent);
    margin-top: 0;
}
.feature p {
    color: #bbb;
}
footer {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-size: 0.9rem;
    border-top: 1px solid var(--muted);
    margin-top: 3rem;
}
footer a {
    color: #888;
}
.auth-form {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2rem;
    background: var(--muted);
    border-radius: 8px;
}
.auth-form h1 {
    margin-top: 0;
    color: var(--accent);
}
.auth-form label {
    display: block;
    margin-bottom: 1rem;
    color: #ccc;
}
.auth-form input[type="email"],
.auth-form input[type="text"] {
    width: 100%;
    padding: 0.6rem;
    background: var(--bg);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    margin-top: 0.25rem;
}
.auth-form button {
    background: var(--accent);
    color: #000;
    padding: 0.7rem 1.25rem;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
}
.auth-form button:hover { filter: brightness(1.1); }
.error {
    color: #ff5757;
    margin: 0.5rem 0;
    font-size: 0.9rem;
}
.hint {
    color: #888;
    font-size: 0.9rem;
    margin-top: 1rem;
    text-align: center;
}
.hint a { color: var(--accent); }
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin: 2rem 0 1rem;
}
.stack { display: flex; flex-direction: column; gap: 1rem; max-width: 600px; }
.stack input[type="text"],
.stack input[type="file"],
.stack textarea {
    width: 100%;
    padding: 0.5rem;
    background: var(--muted);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}
.stack button {
    background: var(--accent);
    color: #000;
    padding: 0.7rem 1.25rem;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    align-self: flex-start;
}
.code-area {
    font-family: ui-monospace, monospace;
    font-size: 0.9rem;
    min-height: 400px;
    resize: vertical;
}
.preset-list { list-style: none; padding: 0; margin: 2rem 0; }
.preset-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--muted);
}
.preset-actions { display: flex; gap: 1rem; }
.preset-actions a, .preset-actions .link-btn {
    color: var(--accent);
    text-decoration: none;
    background: none;
    border: 0;
    cursor: pointer;
    font-size: 1rem;
    padding: 0;
    font-family: inherit;
}
.badge {
    background: var(--muted);
    color: #aaa;
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    margin-left: 0.5rem;
}
.empty { color: #888; text-align: center; margin: 4rem 0; }
.radio-group { border: 1px solid var(--border); border-radius: 4px; padding: 0.75rem 1rem; }
.radio-group legend { padding: 0 0.5rem; color: #aaa; font-size: 0.9rem; }
.radio-group label { display: block; padding: 0.25rem 0; }
.banner-warn {
    background: #4a2a0f;
    border: 1px solid #b05a1f;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    margin: 1rem 0;
}
.actions { margin-top: 2rem; display: flex; gap: 1.5rem; align-items: center; }
.quota { color: #888; font-size: 0.9rem; }