:root { --navy: #17324D; --teal: #00858A; --teal-light: #25B9C1; --bg: #F3F7F9; --line: #C9DBE1; --muted: #506979; --warn: #B3261E; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--navy); font: 16px/1.5 "Segoe UI", Roboto, Arial, sans-serif; overflow-x: hidden; }
body { display: flex; flex-direction: column; min-height: 100dvh; }
.bar { background: var(--navy); color: #fff; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 700; font-size: 20px; } .brand span { color: var(--teal-light); } .brand sup { font-size: 10px; }
.tag { font-size: 13px; color: #B6CADA; }
main { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 18px 16px 24px; overflow-wrap: anywhere; }
h1 { font-size: 26px; margin: 4px 0 12px; } h2 { font-size: 19px; margin: 22px 0 8px; }
p { margin: 0 0 10px; } .muted { color: var(--muted); font-size: 14px; }
ol { margin: 0 0 10px; padding-left: 22px; } li { margin: 0 0 6px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 0 0 10px;
        display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.card .t { font-weight: 600; } .card .s { color: var(--muted); font-size: 14px; }
.card > div { min-width: 0; flex: 1 1 220px; }
.btn { display: inline-block; font: inherit; font-weight: 600; border-radius: 10px; padding: 10px 16px; border: 1px solid var(--teal);
       background: #E8F5F5; color: var(--navy); min-height: 44px; cursor: pointer; text-decoration: none; text-align: center; }
.btn.primary { background: var(--teal); color: #fff; }
.btn:disabled { opacity: .5; cursor: default; }
.btn:focus-visible, a:focus-visible { outline: 3px solid var(--teal-light); outline-offset: 2px; }
.status { margin: 10px 0; padding: 10px 12px; border-radius: 8px; background: #E8F5F5; } .status.err { background: #FDECEA; color: var(--warn); }
footer { background: #fff; border-top: 1px solid var(--line); padding: 12px 16px; display: flex; gap: 10px; align-items: center;
         justify-content: space-between; flex-wrap: wrap; font-size: 14px; color: var(--muted); }