:root{--ink: #141d1e;--accent: #e5e86b;--surface: #ffffff;--surface-muted: #f9fafb;--border: #e5e7eb;--text: #1f2937;--text-muted: #6b7280;--danger: #dc2626}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--surface-muted);color:var(--text)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--ink)}.login-card{background:var(--surface);padding:2.5rem;border-radius:12px;width:320px}.login-card h1{margin:0 0 1.5rem;font-size:1.25rem;color:var(--ink)}.login-card label{display:block;margin-bottom:1rem;font-size:.875rem;color:var(--text-muted)}.login-card input{display:block;width:100%;margin-top:.375rem;padding:.625rem;border:1px solid var(--border);border-radius:6px;font-size:1rem}.login-card button{width:100%;padding:.625rem;background:var(--accent);color:var(--ink);border:none;border-radius:6px;font-weight:600;cursor:pointer}.login-card button:disabled{opacity:.6;cursor:default}.error{color:var(--danger);font-size:.875rem}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--ink);color:#fff;padding:1.5rem 1rem;flex-shrink:0}.sidebar h1{font-size:1rem;margin:0 0 2rem}.sidebar nav a{display:block;padding:.625rem .75rem;border-radius:6px;color:#d1d5db;text-decoration:none;font-size:.9rem;margin-bottom:.25rem}.sidebar nav a.active{background:var(--accent);color:var(--ink);font-weight:600}.main-content{flex:1;padding:2rem}.main-content h1{font-size:1.5rem;margin:0 0 1.5rem;color:var(--ink)}table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:8px;overflow:hidden}th,td{text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--border);font-size:.9rem}th{background:var(--surface-muted);color:var(--text-muted);font-weight:600;text-transform:uppercase;font-size:.75rem}button.primary{background:var(--accent);color:var(--ink);border:none;padding:.5rem 1rem;border-radius:6px;font-weight:600;cursor:pointer}button.primary:disabled{opacity:.6;cursor:default}