:root {
    --primary: #45c3ed;
    --primary-press: #2aa9d3;
    --bg: #f7f8fa;
    --surface: #ffffff;
    --ink: #15171a;
    --muted: #61656c;
    --border: #e3e6eb;
    --ok: #16a34a;
    --bad: #dc2626;
    --warn: #d97706;
    --radius: 14px;
}
* { box-sizing: border-box; }
html, body {
    margin: 0; padding: 0;
    background: var(--bg); color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px; line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}
a { color: var(--primary-press); }

/* ---------- Public form (mobile webview) ---------- */
body.public {
    display: flex; align-items: center; justify-content: center;
    min-height: 100dvh; padding: env(safe-area-inset-top) 16px env(safe-area-inset-bottom);
}
body.public .card {
    width: 100%; max-width: 440px;
    background: var(--surface); border-radius: var(--radius);
    padding: 28px 22px; box-shadow: 0 6px 30px rgba(0,0,0,.06);
}
.public h1 { margin: 0 0 6px; font-size: 26px; }
.public .lede { margin: 0 0 22px; color: var(--muted); }
.public form { display: grid; gap: 14px; }
.public label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.public input[type=text],
.public input[type=email],
.public input[type=tel],
.public input[type=password] {
    appearance: none; -webkit-appearance: none;
    border: 1px solid var(--border); border-radius: 10px;
    padding: 12px 14px; font-size: 16px; background: #fff;
}
.public input:focus { outline: 2px solid var(--primary); border-color: var(--primary); }

button.primary, button.danger {
    appearance: none; border: 0; cursor: pointer;
    border-radius: 12px; padding: 14px 18px; font-size: 16px; font-weight: 600;
    color: #fff;
}
button.primary { background: var(--primary); }
button.primary:hover { background: var(--primary-press); }
button.primary.ok { background: var(--ok); }
button.danger { background: var(--bad); }

.errors {
    background: #fff1f1; color: #7a1212;
    border: 1px solid #f5b5b5; border-radius: 10px;
    padding: 10px 12px; margin-bottom: 14px; font-size: 14px;
}
.errors p { margin: 4px 0; }
.fineprint { font-size: 12px; color: var(--muted); margin-top: 14px; }

/* ---------- Success page key box ---------- */
.key-box {
    display: grid; gap: 12px; place-items: center;
    background: #f1fbff; border: 2px dashed var(--primary);
    border-radius: 14px; padding: 22px 14px; margin: 18px 0;
    text-align: center;
}
.key-box code {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 22px; letter-spacing: 1.5px; word-break: break-all;
}
dl.meta { display: grid; grid-template-columns: max-content 1fr; gap: 6px 12px; margin: 18px 0; }
dl.meta dt { color: var(--muted); font-size: 13px; }
dl.meta dd { margin: 0; font-size: 14px; }

/* ---------- Admin ---------- */
body.admin { background: var(--bg); }
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 24px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.topbar nav a { margin-left: 16px; text-decoration: none; color: var(--ink); }
.admin main { max-width: 1100px; margin: 24px auto; padding: 0 24px; }
.admin h1 { margin: 0 0 16px; }
.flash { background: #ecfdf5; border: 1px solid #a7f3d0; padding: 8px 12px; border-radius: 8px; margin-bottom: 16px; }

.search { display: flex; gap: 8px; margin-bottom: 16px; }
.search input { flex: 1; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; }
.search button { padding: 10px 16px; border: 0; background: var(--primary); color: #fff; border-radius: 8px; cursor: pointer; }
.meta { color: var(--muted); font-size: 13px; }

table.users, table.logs {
    width: 100%; border-collapse: collapse;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
table.users th, table.users td,
table.logs th, table.logs td {
    text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px;
    vertical-align: top;
}
table th { background: #fafbfc; color: var(--muted); font-weight: 600; }
table tr:last-child td { border-bottom: 0; }
.empty { text-align: center; color: var(--muted); padding: 24px !important; }
.mono { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 13px; }
.ua { color: var(--muted); font-size: 12px; max-width: 280px; overflow-wrap: anywhere; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok  { background: #dcfce7; color: #166534; }
.badge.bad { background: #fee2e2; color: #991b1b; }

.pager { margin-top: 14px; display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 14px; }
.pager a { text-decoration: none; }

.row-form { margin: 14px 0; }
.narrow { max-width: 360px; }
form.narrow { display: grid; gap: 12px; }
form.narrow label { display: grid; gap: 6px; color: var(--muted); font-size: 14px; }
form.narrow input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; }