:root{--navy:#0A1F51;--blue:#0066C8;--sky:#009AFB;--blue-l:#E6F2FD;--paper:#F3F7FC;--ink:#0A1F51;--muted:#5A6472;--line:#D8DEE4;--red:#B3261E;--green:#1E7B3A;--orange:#C25E16}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.45;font-size:16px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;border-radius:12px}
.hidden{display:none!important}
.logo{height:32px;width:auto;display:block}
header.top{background:var(--navy);color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:5}
header.top .t{font-weight:600;font-size:15px}
.muted{color:var(--muted)}
.hint{font-size:13px;color:var(--muted)}
.bis{font-size:13px;color:#4E6A8C;font-style:italic;margin-top:1px}
.err{color:var(--red);font-size:14px}
.btn{padding:14px 20px;background:var(--blue);color:#fff;font-weight:600;font-size:16px}
.btn.alt{background:#fff;color:var(--navy);border:1px solid var(--line)}
.btn.sm{padding:8px 12px;font-size:14px;border-radius:9px}
.btn.red{background:#fff;color:var(--red);border:1px solid #E5B4B0}
.btn:disabled{opacity:.55;cursor:default}
input[type=text],input[type=number],select,textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:16px}
textarea{min-height:84px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid var(--blue-l);border-color:var(--blue)}
.bad{border-color:var(--red)!important;outline:2px solid #F6D5D2}