:root {
    --navy: #1f3a5f;
    --navy-dark: #152a46;
    --gold: #b8902b;
    --bg: #f5f6f8;
    --card: #ffffff;
    --text: #1d232b;
    --muted: #667085;
    --border: #e2e5ea;
    --green: #157f3b;
    --green-bg: #e8f6ed;
    --red: #b42318;
    --red-bg: #fdecea;
    --amber: #a15c07;
    --amber-bg: #fdf3e2;
    --radius: 10px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
}
a { color: var(--navy); }
h1 { font-size: 1.6rem; margin: 0 0 .4rem; }
h2 { font-size: 1.2rem; margin: 1.6rem 0 .6rem; }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; }
p.lead { color: var(--muted); margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.wrap.narrow { max-width: 640px; }
main.wrap { padding-top: 28px; padding-bottom: 40px; }

/* Top bar */
.topbar { background: var(--navy); color: #fff; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; min-height: 58px; padding-top: 8px; padding-bottom: 8px; }
.brand { color: #fff; font-weight: 700; text-decoration: none; font-size: 1.05rem; }
.brand span { font-weight: 400; opacity: .75; margin-left: 4px; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.topbar nav a, .topbar .linklike { color: #dbe4f0; text-decoration: none; padding: 6px 10px; border-radius: 6px; font-size: .92rem; }
.topbar nav a:hover, .topbar nav a.active, .topbar .linklike:hover { background: rgba(255,255,255,.12); color: #fff; }
.linklike { background: none; border: 0; cursor: pointer; font: inherit; }
form.inline { display: inline; margin: 0; }

.footer { color: var(--muted); font-size: .85rem; padding-top: 10px; padding-bottom: 30px; text-align: center; }

/* Cards & layout */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 18px; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat .num { font-size: 1.8rem; font-weight: 700; color: var(--navy); }
.stat .lbl { color: var(--muted); font-size: .88rem; }

/* Forms */
label { display: block; font-weight: 600; font-size: .9rem; margin: 0 0 4px; }
.field { margin-bottom: 14px; }
.hint { color: var(--muted); font-size: .82rem; font-weight: 400; margin-top: 3px; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=datetime-local],
input[type=number], input[type=tel], input[type=file], select, textarea {
    width: 100%; padding: 9px 11px; border: 1px solid #cfd4dc; border-radius: 7px;
    font: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(31,58,95,.25); border-color: var(--navy); }
textarea { min-height: 120px; resize: vertical; }
input[type=checkbox] { width: auto; margin-right: 6px; }
.check { display: flex; align-items: center; font-weight: 500; }

.btn {
    display: inline-block; padding: 9px 16px; border-radius: 7px; border: 1px solid var(--navy);
    background: var(--navy); color: #fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; line-height: 1.3;
}
.btn:hover { background: var(--navy-dark); }
.btn-secondary { background: #fff; color: var(--navy); }
.btn-secondary:hover { background: #eef2f7; }
.btn-danger { background: #fff; color: var(--red); border-color: #e7b4ae; }
.btn-danger:hover { background: var(--red-bg); }
.btn-sm { padding: 5px 10px; font-size: .85rem; }
.btn-block { display: block; width: 100%; text-align: center; padding: 12px; }

/* Alerts & badges */
.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid transparent; }
.alert-success { background: var(--green-bg); color: var(--green); border-color: #bfe5cc; }
.alert-error { background: var(--red-bg); color: var(--red); border-color: #f3c3bd; }
.alert-info { background: #eaf1fb; color: var(--navy); border-color: #c9d9ef; }
.alert-warning { background: var(--amber-bg); color: var(--amber); border-color: #f2d7a6; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .78rem; font-weight: 700; white-space: nowrap; }
.badge-valid { background: var(--green-bg); color: var(--green); }
.badge-expired { background: var(--amber-bg); color: var(--amber); }
.badge-revoked { background: var(--red-bg); color: var(--red); }
.badge-pending { background: #eef0f3; color: var(--muted); }
.badge-open { background: var(--green-bg); color: var(--green); }
.badge-closed { background: #eef0f3; color: var(--muted); }

/* Tables */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #f9fafb; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td .actions { flex-wrap: nowrap; }
.empty { padding: 28px; text-align: center; color: var(--muted); }
dl.details { display: grid; grid-template-columns: 170px 1fr; gap: 8px 16px; margin: 0; }
dl.details dt { color: var(--muted); }
dl.details dd { margin: 0; font-weight: 500; word-break: break-word; }

/* Verification result */
.verify-result { text-align: center; padding: 28px 22px; }
.verify-result .icon { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 700; }
.verify-result.valid .icon { background: var(--green-bg); color: var(--green); }
.verify-result.expired .icon { background: var(--amber-bg); color: var(--amber); }
.verify-result.revoked .icon, .verify-result.notfound .icon { background: var(--red-bg); color: var(--red); }
.verify-result h1 { margin-bottom: 4px; }
.verify-result dl.details { text-align: left; margin-top: 18px; }

/* Template editor */
.editor { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; align-items: start; }
.canvas-wrap { background: #d9dde3; padding: 16px; border-radius: var(--radius); }
.canvas { position: relative; background: #fff; background-size: 100% 100%; box-shadow: 0 2px 10px rgba(0,0,0,.15); overflow: hidden; user-select: none; }
.el { position: absolute; cursor: move; outline: 1px dashed transparent; white-space: pre-wrap; line-height: 1.25; }
.el:hover { outline-color: rgba(31,58,95,.45); }
.el.selected { outline: 2px solid #2f80ed; z-index: 5; }
.el.qr { background: repeating-conic-gradient(#333 0 25%, #fff 0 50%) 0 0 / 20% 20%; opacity: .75; }
.el.qr::after { content: "QR"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.85); font: 700 12px sans-serif; color: #333; }
.el img { width: 100%; height: 100%; object-fit: contain; pointer-events: none; display: block; }
.el .handle { position: absolute; right: -5px; bottom: -5px; width: 10px; height: 10px; background: #2f80ed; cursor: nwse-resize; display: none; }
.el.selected .handle { display: block; }
.panel { position: sticky; top: 12px; max-height: calc(100vh - 24px); overflow: auto; }
.panel .row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.panel .row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.el-list { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow: auto; border: 1px solid var(--border); border-radius: 7px; }
.el-list li { padding: 6px 10px; cursor: pointer; border-bottom: 1px solid var(--border); font-size: .88rem; display: flex; justify-content: space-between; }
.el-list li:last-child { border-bottom: 0; }
.el-list li.selected { background: #eaf1fb; }
.el-list li small { color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { font: .78rem ui-monospace, Menlo, monospace; background: #eef2f7; border: 1px solid #d6dee9; border-radius: 5px; padding: 2px 6px; cursor: pointer; }
.chip:hover { background: #dfe8f4; }

@media (max-width: 900px) {
    .editor { grid-template-columns: 1fr; }
    .panel { position: static; max-height: none; }
    dl.details { grid-template-columns: 1fr; gap: 2px; }
    dl.details dd { margin-bottom: 8px; }
}