:root{--primary-color: #687b70;--primary-color-light: #8fa095;--primary-color-hover: #53655b;--primary-color-soft: #e6ece5;--surface-color: #fefdfb;--background-color: #f5f4ef;--border-color: #deded4;--text-color: #39423c;--muted-color: #6e756d;--error-color: #a35353;--header-start-color: #84948a;--header-end-color: #b6bba5;color-scheme:light}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--background-color);color:var(--text-color)}.chart-card{display:flex;flex-direction:column;gap:.75rem;padding:1.1rem 1.25rem;background:var(--surface-color);border:1px solid var(--border-color);border-radius:.75rem}.chart-card h3{margin:0;font-size:1rem;color:var(--text-color)}.chart-container{position:relative;height:280px}