:root{--brand-ink:#0a3d62;--brand-sky:#00a3e0;--brand-dark:#0b1e39;--brand-bg:#f5f7fb;--brand-card:#fff;--brand-text:#1f2a44;--ok:#2ecc71;--bad:#e74c3c;--shadow:0 10px 25px rgba(0,0,0,.08)}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Noto Sans,Arial;background:var(--brand-bg);color:var(--brand-text)}
.header{position:sticky;top:0;z-index:20;background:linear-gradient(90deg,var(--brand-dark),var(--brand-ink));color:#fff;box-shadow:var(--shadow)}
.container{max-width:980px;margin:0 auto;padding:16px}.brand{display:flex;align-items:center;gap:12px;padding:12px 0}
.brand .logo{width:38px;height:38px;border-radius:8px;background:var(--brand-sky);box-shadow:inset 0 0 0 2px rgba(255,255,255,.35)}.brand h1{font-size:20px;margin:0}
.nav{display:flex;gap:10px;flex-wrap:wrap}.nav a,.btn{background:var(--brand-sky);color:#06283D;border:none;padding:10px 14px;border-radius:12px;font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:8px;box-shadow:var(--shadow)}
.btn.secondary{background:#fff;color:var(--brand-ink)}.btn.danger{background:#e74c3c;color:#fff}.btn.ok{background:#2ecc71;color:#fff}
main{padding:16px 0}.card{background:var(--brand-card);border-radius:16px;padding:16px;box-shadow:var(--shadow)}
.grid{display:grid;gap:16px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}@media (max-width:860px){.grid.cols-2{grid-template-columns:1fr}}
.input,select,textarea{width:100%;padding:10px 12px;border-radius:12px;border:1px solid #d9e1f1;background:#fff}
label{font-size:13px;color:#41506b;font-weight:600;margin-bottom:6px;display:block}.form-row{display:grid;gap:12px;grid-template-columns:1fr 1fr}@media (max-width:640px){.form-row{grid-template-columns:1fr}}
.table{width:100%;border-collapse:collapse}.table th,.table td{padding:8px 10px;border-bottom:1px solid #e6ecf7}.muted{opacity:.8}
/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(3,16,36,.55);backdrop-filter:blur(4px);display:none;place-items:center;z-index:30}
.modal-overlay.active{display:grid}.modal-window{width:min(1000px,96vw);height:min(720px,92vh);background:#fff;border-radius:16px;box-shadow:0 30px 70px rgba(0,0,0,.35);overflow:hidden;display:flex;flex-direction:column;border:2px solid #0a3d62}
.modal-titlebar{background:linear-gradient(90deg,var(--brand-dark),var(--brand-ink));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:10px 14px}
.modal-body{flex:1;position:relative;background:#f7f9ff}.modal-iframe{position:absolute;inset:0;border:0;width:100%;height:100%;background:#fff}