body{font-family:'Segoe UI',Arial,sans-serif;color:#1d2733;max-width:820px;margin:32px auto;line-height:1.5;padding:0 20px}
h1{font-size:23px;margin-bottom:2px} .sub{color:#5a6b7b;margin-top:0}
.kpi{background:#1d3557;color:#fff;border-radius:10px;padding:20px 24px;margin:22px 0;display:flex;gap:36px;flex-wrap:wrap}
.kpi .n{font-size:30px;font-weight:700;line-height:1} .kpi .l{font-size:12px;opacity:.85;margin-top:4px}
table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14px}
td,th{border:1px solid #d9e0e6;padding:8px 10px;text-align:left} th{background:#eef2f5}
.note{font-size:12px;color:#6b7a88;border-top:1px solid #e3e9ee;padding-top:12px;margin-top:26px}
img{width:100%;border:1px solid #e3e9ee;border-radius:8px;margin-top:8px}

form{background:#f7f9fb;border:1px solid #e3e9ee;border-radius:10px;padding:20px 24px;margin:22px 0}
label{display:block;font-size:13px;font-weight:600;margin:12px 0 4px}
input[type=number], input[type=file], input[type=text]{width:100%;padding:7px 9px;border:1px solid #d9e0e6;border-radius:6px;font-size:14px;box-sizing:border-box}
.row{display:flex;gap:16px} .row > div{flex:1}
button{background:#1d3557;color:#fff;border:none;border-radius:6px;padding:10px 20px;font-size:14px;font-weight:600;cursor:pointer;margin-top:16px}
button:disabled{opacity:.5;cursor:not-allowed}
details{margin-top:14px} summary{cursor:pointer;font-size:13px;color:#5a6b7b;font-weight:600}
.notice{background:#fff4e0;border:1px solid #f0c987;border-radius:8px;padding:12px 16px;font-size:13px;margin-top:14px}
.error{color:#b3261e;font-weight:700}
.hidden{display:none}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid #d9e0e6;border-top-color:#1d3557;border-radius:50%;animation:spin 0.8s linear infinite;margin-right:8px;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}