:root{--blue:#1d4ed8;--blue-dark:#1e3a8a;--bg:#f4f6fb;--card:#ffffff;--border:#e2e6f0;--text:#1f2937;--muted:#6b7280;--green:#15803d;--red:#b91c1c;--amber:#b45309}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.df-nav{background:var(--blue-dark);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:56px}
.df-nav .df-brand{font-weight:700;font-size:17px;color:#fff}
.df-nav .df-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.df-nav a{color:#dbe4ff}
.df-nav a:hover{color:#fff}
.df-badge{background:#ef4444;color:#fff;border-radius:10px;padding:0 6px;font-size:11px;font-weight:700;margin-left:4px}
.df-wrap{max-width:1000px;margin:0 auto;padding:24px 16px 60px}
.df-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:18px}
.df-flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.df-flash.success{background:#ecfdf3;color:var(--green);border:1px solid #bbf7d0}
.df-flash.error{background:#fef2f2;color:var(--red);border:1px solid #fecaca}
.df-flash.info{background:#eff6ff;color:var(--blue);border:1px solid #bfdbfe}
h1{font-size:22px;margin:0 0 4px}
h2{font-size:17px;margin:0 0 12px}
.df-muted{color:var(--muted);font-size:13px}
table{width:100%;border-collapse:collapse}
th,td{padding:9px 8px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
tr:hover td{background:#fafbfe}
.df-status{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.df-status.pending{background:#fef3c7;color:var(--amber)}
.df-status.signed{background:#dcfce7;color:var(--green)}
.df-status.rejected{background:#fee2e2;color:var(--red)}
.df-btn{display:inline-block;background:var(--blue);color:#fff;border:none;border-radius:7px;padding:9px 16px;font-size:14px;cursor:pointer;font-weight:600}
.df-btn:hover{background:var(--blue-dark);text-decoration:none;color:#fff}
.df-btn.secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.df-btn.danger{background:#fff;color:var(--red);border:1px solid var(--red)}
.df-form label{display:block;font-size:13px;font-weight:600;margin:14px 0 5px;color:#374151}
.df-form input[type=text],.df-form input[type=password],.df-form input[type=email],.df-form input[type=file],.df-form select,.df-form textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:7px;font-size:14px;font-family:inherit}
.df-form textarea{min-height:70px}
.df-login{max-width:380px;margin:64px auto;padding:0 16px}
.df-login .df-card{padding:28px}
.df-tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.df-tabs a{padding:7px 12px;border-radius:7px;font-size:13px;color:var(--text);background:#fff;border:1px solid var(--border)}
.df-empty{color:var(--muted);padding:20px 0;text-align:center;font-size:14px}
.df-timeline{list-style:none;margin:0;padding:0}
.df-timeline li{padding:10px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:10px}
.df-timeline li:last-child{border-bottom:none}
.df-log{font-size:13px;color:var(--muted);padding:6px 0;border-bottom:1px dashed var(--border)}
.df-lang{font-size:13px}
.df-lang a{opacity:.6}
.df-lang a.active{opacity:1;font-weight:700;text-decoration:none}
.df-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.df-hint{font-size:12px;color:var(--muted);margin-top:4px}