:root{--bg-primary: #f5f5f5;--bg-surface: #ffffff;--bg-surface-alt: #fafafa;--bg-header: linear-gradient(135deg, #1565c0, #1e88e5);--text-primary: #333333;--text-secondary: #666666;--text-muted: #888888;--text-on-header: #ffffff;--text-accent-subtitle: #b3d9ff;--text-accent-acronym: #87ceeb;--border-color: #d0d0d0;--border-light: #e0e0e0;--border-focus: #0078d4;--accent: #0078d4;--accent-hover: #106ebe;--accent-pressed: #005a9e;--btn-bg: #f8f9fa;--btn-hover: #e8eaf6;--btn-border: #ddd;--danger: #da3633;--danger-hover: #c5221f;--selected-bg: #e8f4f8;--selected-text: #0078d4;--input-bg: #ffffff;--orphan-bg: #fff8e1;--orphan-border: #f9a825;--form-bar-bg: #f0f7ff;--form-bar-border: #0078d4;--shadow: rgba(0, 0, 0, .1)}body.dark-theme{--bg-primary: #1e1e1e;--bg-surface: #252525;--bg-surface-alt: #2d2d2d;--bg-header: linear-gradient(135deg, #0d1117, #161b22);--text-primary: #d4d4d4;--text-secondary: #aaaaaa;--text-muted: #888888;--text-on-header: #ffffff;--text-accent-subtitle: #4fc3f7;--text-accent-acronym: #81d4fa;--border-color: #555555;--border-light: #3a3a3a;--border-focus: #4fc3f7;--accent: #0e639c;--accent-hover: #1177bb;--accent-pressed: #0d5689;--btn-bg: #2d2d2d;--btn-hover: #3a3a3a;--btn-border: #555555;--danger: #da3633;--danger-hover: #c5221f;--selected-bg: #0e3a5c;--selected-text: #4fc3f7;--input-bg: #2d2d2d;--orphan-bg: #2d2700;--orphan-border: #f9a825;--form-bar-bg: #1e2a38;--form-bar-border: #4fc3f7;--shadow: rgba(0, 0, 0, .3)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:"Noto Serif",Arial,sans-serif;font-size:14px;color:var(--text-primary);background-color:var(--bg-primary)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}.btn-primary{background-color:var(--accent);color:#fff;border:1px solid var(--accent);padding:10px 20px;border-radius:4px;font-weight:700}.btn-primary:hover{background-color:var(--accent-hover);border-color:var(--accent-hover)}.btn-danger{background-color:var(--danger);color:#fff;border:1px solid var(--danger);padding:10px 20px;border-radius:4px;font-weight:700}.btn-danger:hover{background-color:var(--danger-hover);border-color:var(--danger-hover)}input,textarea,select{font-family:inherit;font-size:14px;padding:8px;border:1px solid var(--border-color);border-radius:4px;background-color:var(--input-bg);color:var(--text-primary)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--border-focus);border-width:2px}