:root{color-scheme:dark;--bg:#0b0f14;--card:#121821;--text:#e8eef7;--muted:#8b9bb0;--accent:#5eead4;--danger:#f87171}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text)}.header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid #1f2937}.header nav a{color:var(--muted);margin-left:1rem;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:1.5rem}.card{background:var(--card);border:1px solid #1f2937;border-radius:12px;padding:1.25rem;margin-bottom:1rem}button,input,select,textarea{font:inherit;border-radius:8px;border:1px solid #334155;background:#0f172a;color:var(--text);padding:.6rem .75rem}button{background:var(--accent);color:#042f2e;border:none;cursor:pointer;font-weight:600}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:.6rem;border-bottom:1px solid #1f2937}.muted{color:var(--muted)}.error{color:var(--danger)}.nav{justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid #1f2937}.nav,.nav nav{display:flex;align-items:center}.nav nav{gap:1rem}.nav a{color:var(--muted);text-decoration:none}.page{max-width:1100px;margin:0 auto;padding:1.5rem}