* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: system-ui, sans-serif; background: #0a0a0a; color: #fff; }
nav { height: 48px; background: rgba(0,0,0,0.85); display: flex; align-items: center; padding: 0 16px; gap: 12px; }
nav a { color: #4f4; text-decoration: none; font-size: 14px; }
nav span { font-size: 18px; font-weight: bold; letter-spacing: 2px; }
.settings { max-width: 480px; margin: 24px auto; padding: 0 16px; padding-bottom: 40px; }
.section { background: #1a1a1a; border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.section h3 { font-size: 13px; color: #666; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 1px; }
.row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid #222; }
.row:last-child { border-bottom: none; }
.row label { font-size: 14px; }
.row .val { color: #888; font-size: 13px; }
button.action { background: #f7931a; color: #fff; border: none; padding: 8px 16px; border-radius: 6px; font-size: 14px; cursor: pointer; }
button.action:hover { background: #e8850f; }
button.action:disabled { background: #333; color: #666; cursor: default; }
.mode-options { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.mode-btn { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid #333; border-radius: 8px; background: #222; color: #fff; font-size: 13px; cursor: pointer; text-align: left; width: 100%; }
.mode-btn:hover { border-color: #4f4; }
.mode-btn.active { border-color: #4f4; background: #1a3a1a; }
.mode-btn .mode-icon { font-size: 18px; width: 28px; text-align: center; }
.mode-btn .mode-text { flex: 1; }
.mode-btn .mode-desc { font-size: 11px; color: #888; margin-top: 2px; }
.premium-badge { display: inline-block; background: #f7931a; color: #fff; font-size: 10px; padding: 2px 6px; border-radius: 4px; font-weight: 600; }
.premium-info { color: #888; font-size: 12px; margin-top: 8px; line-height: 1.5; }
#status-msg { color: #4f4; font-size: 13px; margin-top: 8px; display: none; }