:root {
    --bg: #000;
    --panel: #111;
    --panel-2: #0d0d0d;
    --text: #eaeaea;
    --muted: #b3b3b3;
    --accent: #2f81f7;
    --danger: #e84d4d;
    --border: #1f1f1f;
    --input: #161616;
    --focus: #355aa4;
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    display: grid;
    place-items: center;
}

.container {
    width: 100%;
    max-width: 900px;
    padding: 24px;
}

.card {
    background: linear-gradient(180deg, var(--panel), var(--panel-2));
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    width: 100%;
}

.stack { display: grid; gap: 16px; }
.stack-tight { display: grid; gap: 8px; }

h1, h2, h3, p { margin: 0; }

.title {
    font-size: 20px;
    font-weight: 600;
}

.subtitle { color: var(--muted); font-size: 13px; }

label { font-size: 13px; color: var(--muted); }

input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--input);
    color: var(--text);
}

input::placeholder { color: #7a7a7a; }

button, .button-link {
    height: 40px;
    padding: 0 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #151515;
    color: var(--text);
    cursor: pointer;
}

button.primary {
    background: var(--accent);
    border-color: transparent;
    color: white;
}

button:focus-visible, .button-link:focus-visible, input:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.row { display: flex; gap: 12px; align-items: center; }
.space-between { display: flex; justify-content: space-between; align-items: center; }

.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 10px 0; border-top: 1px solid var(--border); }
.list li:first-child { border-top: 0; }

.muted { color: var(--muted); }
.error { color: var(--danger); font-size: 13px; }
.success { color: #39d353; font-size: 13px; }

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

@media (max-width: 720px) {
    .grid-2 { grid-template-columns: 1fr; }
}