:root{--bg: #0b0d12;--bg-elevated: #14171f;--bg-row-hover: #1a1e28;--border: #232833;--text: #e7eaf0;--text-muted: #8a93a6;--accent: #5b8def;--accent-soft: #1f2b4a;--tier-a: #16a34a;--tier-b: #d97706;--tier-c: #6b7280;--link: #93b8ff;--shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.25)}@media (prefers-color-scheme: light){:root{--bg: #f7f8fb;--bg-elevated: #ffffff;--bg-row-hover: #f0f3fa;--border: #e3e7ef;--text: #14171f;--text-muted: #5b6478;--accent-soft: #e6efff;--link: #1f5fd1;--shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 12px rgba(0,0,0,.06)}}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;background:var(--accent-soft);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.4rem .8rem;transition:background .15s}button:hover{background:var(--bg-row-hover)}button:disabled{opacity:.4;cursor:not-allowed}input,select{font:inherit;background:var(--bg-elevated);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.45rem .7rem;outline:none}input:focus,select:focus{border-color:var(--accent)}