:root,[data-theme=light]{color-scheme:light;--app-bg: #eef6ff;--surface: #ffffff;--surface-secondary: #f4f8ff;--text-primary: #102c87;--text-secondary: #64748b;--border-color: #dce8f7;--input-bg: #ffffff;--table-header-bg: #edf5ff;--sidebar-bg: linear-gradient(180deg, #075ca5, #06437d);--accent: #05ad66;--accent-hover: #049456;--shadow: 0 3px 12px rgba(30, 64, 120, .06)}[data-theme=dark]{color-scheme:dark;--app-bg: #0b1220;--surface: #151f30;--surface-secondary: #1c293d;--text-primary: #e5edff;--text-secondary: #a5b4cc;--border-color: #2d3b51;--input-bg: #101a2b;--table-header-bg: #202e43;--sidebar-bg: linear-gradient(180deg, #081a32, #0c1425);--accent: #10b981;--accent-hover: #059669;--shadow: 0 3px 12px rgba(0, 0, 0, .18)}html,body{min-height:100%;margin:0;background:var(--app-bg);color:var(--text-primary);transition:background-color .2s ease,color .2s ease}body{font-family:Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit}input,select,textarea{background:var(--input-bg);color:var(--text-primary);border-color:var(--border-color)}button{transition:background-color .2s ease,color .2s ease}.theme-toggle{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--border-color);border-radius:10px;background:var(--surface-secondary);color:var(--text-primary);cursor:pointer;font-size:19px}.theme-toggle:hover{background:var(--border-color)}