/* arctic theme */
[data-theme="arctic"] {
    color-scheme: light;
    --bg: #f2fbff;
    --panel: #ffffff;
    --text: #1d3f4f;
    --muted: #6e8f9f;
    --line: #c1dfea;
    --accent: #57bde6;
    --accent-strong: #399fca;
    --danger: #ce5e68;
    --success: #4a9d8c;
    --shadow: 0 12px 28px rgba(34,78,96,0.12);
    --sidebar: #1c3c56;
}

[data-theme="arctic"] input,
[data-theme="arctic"] textarea {
    background: var(--panel);
    color: var(--text);
    border-color: var(--line);
}

[data-theme="arctic"] .sidebar {
    background: var(--sidebar);
}