:root {
    --bg: #eef2ea; --surface: #ffffff; --ink: #1f2e20; --muted: #6d7d6c;
    --border: #dbe3d6; --green: #2f6b3a; --green-dark: #1d4624;
    --warn: #a9710b; --bad: #b43c2e;
    --ok-bg: #e3f3df; --warn-bg: #fbeedb; --bad-bg: #fbeaea;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14201a; --surface: #1b2920; --ink: #e9f1e6; --muted: #93a890;
        --border: #2a3b2e; --green: #6fcf84; --green-dark: #c7e94e;
        --warn: #e0ad5c; --bad: #e68d7f;
        --ok-bg: #1f3621; --warn-bg: #3a2e15; --bad-bg: #3a1e1a;
    }
}
* { box-sizing: border-box; }
body {
    margin: 0; background: var(--bg); color: var(--ink);
    font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; margin: 0 0 12px; color: var(--green-dark); }
h1 { font-size: 1.5rem; } h2 { font-size: 1.2rem; margin-top: 24px; }
a { color: var(--green); }

.top { background: linear-gradient(135deg, #2f6b3a, #1d4624); color: #fff; padding: 14px 16px; }
.top .brand { font-weight: 700; font-size: 1.1rem; }
.top nav { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 8px; font-size: .9rem; }
.top nav a { color: #fff; text-decoration: none; opacity: .9; }
.top nav a.current { text-decoration: underline; text-underline-offset: 4px; opacity: 1; }
.top nav a.logout { margin-left: auto; opacity: .75; }

main { max-width: 760px; margin: 0 auto; padding: 20px 16px 60px; }
.card {
    background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
    padding: 16px; margin-bottom: 16px;
}
.muted { color: var(--muted); font-size: .88rem; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: .92rem; }
.flash.ok { background: var(--ok-bg); color: var(--green-dark); }
.flash.err { background: var(--bad-bg); color: var(--bad); }

.stats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.stat { flex: 1 1 110px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px; text-align: center; }
.stat b { display: block; font-size: 1.6rem; color: var(--green); font-family: Georgia, serif; }
.stat span { font-size: .78rem; color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 9px 6px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--green-dark); }
tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }

label { display: block; font-size: .8rem; font-weight: 600; color: var(--green-dark); margin-bottom: 4px; }
input[type=text], input[type=password], input[type=date], input[type=time], select, textarea {
    width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px;
    background: var(--surface); color: var(--ink); font: inherit;
}
.field { margin-bottom: 12px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > .field { flex: 1 1 140px; }

.btn {
    display: inline-block; background: var(--green); color: #fff; border: 0; border-radius: 8px;
    padding: 10px 18px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
@media (prefers-color-scheme: dark) { .btn { color: #14201a; } }
.btn.small { padding: 5px 10px; font-size: .82rem; }
.btn.ghost { background: var(--bg); color: var(--green-dark); border: 1px solid var(--border); }
.btn.danger { background: var(--bad-bg); color: var(--bad); }
.btn.block { width: 100%; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge.ok { background: var(--ok-bg); color: var(--green-dark); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }

.session { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; background: var(--bg); }
.session p { margin: 6px 0 0; color: var(--muted); font-size: .88rem; white-space: pre-line; }

.radios { display: flex; gap: 14px; flex-wrap: wrap; }
.radios label { display: flex; align-items: center; gap: 4px; font-weight: 400; margin: 0; color: var(--ink); font-size: .88rem; }

.narrow { max-width: 420px; margin: 0 auto; }
.qr { text-align: center; padding: 10px 0; }
.qr canvas, .qr img { background: #fff; padding: 8px; border-radius: 8px; border: 1px solid var(--border); }
form.inline { display: inline; }

@media print {
    .top, .noprint { display: none !important; }
    body { background: #fff; }
}

.site-footer { text-align: center; padding: 20px 16px 30px; font-size: .85rem; }
.site-footer a { color: var(--muted); }