:root {
    --bg: #f1f4f8;
    --panel: #ffffff;
    --ink: #1f2933;
    --muted: #64748b;
    --line: #dde3ec;
    --brand: #0f4c81;
    --brand-dark: #0b3a63;
    --ok: #0f7b52;
    --ok-bg: #e6f4ee;
    --warn: #a35a00;
    --warn-bg: #fdf3e3;
    --err: #b32d2d;
    --err-bg: #fceceb;
    --info-bg: #e9f0f8;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
}

a { color: var(--brand); }

.layout { display: flex; min-height: 100vh; align-items: stretch; }

.sidebar {
    width: 220px;
    flex: 0 0 220px;
    background: var(--brand-dark);
    color: #dce7f2;
    padding: 20px 0;
}
.sidebar h1 { font-size: 15px; margin: 0 20px 4px; color: #fff; letter-spacing: .3px; }
.sidebar .sub { font-size: 12px; margin: 0 20px 20px; color: #9db6cd; }
.sidebar nav a {
    display: block;
    padding: 9px 20px;
    color: #cddcea;
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255,255,255,.07); color: #fff; }
.sidebar nav a.active { background: rgba(255,255,255,.12); color: #fff; border-left-color: #6fa8dc; font-weight: 600; }
.sidebar .navgroup { margin: 18px 20px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: #7f9bb5; }
.sidebar .foot { margin: 24px 20px 0; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; color: #9db6cd; }
.sidebar .foot a { color: #cddcea; }

.main { flex: 1; padding: 26px 32px 60px; min-width: 0; }
.main > header { margin-bottom: 20px; }
.main h2 { margin: 0 0 4px; font-size: 22px; }
.main .lede { margin: 0; color: var(--muted); max-width: 70ch; }

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px 20px;
    margin-bottom: 20px;
}
.panel > h3 { margin: 0 0 12px; font-size: 15px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f7f9fc; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tbody tr:hover { background: #fafbfd; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-scroll { overflow-x: auto; }

input[type=text], input[type=password], input[type=number], input[type=date], select, textarea {
    padding: 7px 9px;
    border: 1px solid #c3ccda;
    border-radius: 5px;
    font: inherit;
    background: #fff;
    color: var(--ink);
    max-width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #a8c7e6; outline-offset: -1px; border-color: var(--brand); }
input.short { width: 80px; }
input.mid { width: 150px; }
label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 3px; }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > .field { flex: 1 1 200px; }

button, .btn {
    padding: 8px 15px;
    background: var(--brand);
    color: #fff;
    border: 1px solid var(--brand);
    border-radius: 5px;
    cursor: pointer;
    font: inherit;
    text-decoration: none;
    display: inline-block;
}
button:hover, .btn:hover { background: var(--brand-dark); }
button.secondary, .btn.secondary { background: #fff; color: var(--brand); }
button.secondary:hover, .btn.secondary:hover { background: #eef3f9; }
button.danger, .btn.danger { background: var(--err); border-color: var(--err); }
button.danger:hover { background: #8f2222; }
button.small, .btn.small { padding: 4px 10px; font-size: 13px; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; border: 1px solid; }
.flash.ok { background: var(--ok-bg); border-color: #b6dfcb; color: var(--ok); }
.flash.warn { background: var(--warn-bg); border-color: #edd6ab; color: var(--warn); }
.flash.error { background: var(--err-bg); border-color: #eebcb8; color: var(--err); }
.flash.info { background: var(--info-bg); border-color: #c2d5e8; color: var(--brand-dark); }

.tag {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 12px;
    background: #eef2f7;
    border: 1px solid #dbe3ed;
    margin: 2px 3px 2px 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.tag.hit { background: #fdf0d5; border-color: #ebd39a; font-weight: 600; }
.tag.dead { background: #f3f4f6; border-color: #e0e2e6; color: #98a2b3; text-decoration: line-through; }

.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill.sent { background: var(--ok-bg); color: var(--ok); }
.pill.simulated { background: var(--info-bg); color: var(--brand-dark); }
.pill.skipped_no_template { background: var(--warn-bg); color: var(--warn); }
.pill.failed { background: var(--err-bg); color: var(--err); }
.pill.off { background: #f0f1f3; color: var(--muted); }
.pill.on { background: var(--ok-bg); color: var(--ok); }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.nowrap { white-space: nowrap; }

.stats { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.stat {
    flex: 1 1 150px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px 16px;
}
.stat .v { font-size: 26px; font-weight: 600; line-height: 1.1; }
.stat .k { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-top: 4px; }

.toolbar { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar .field { margin-bottom: 0; }

details.trace { border: 1px solid var(--line); border-radius: 6px; margin-bottom: 8px; background: #fff; }
details.trace > summary { padding: 9px 12px; cursor: pointer; font-size: 14px; }
details.trace > div { padding: 0 12px 12px; }

.reason { font-size: 13px; padding: 5px 0; border-bottom: 1px dashed var(--line); }
.reason:last-child { border-bottom: 0; }
.reason .r-match { color: var(--ok); font-weight: 600; }
.reason .r-skip { color: var(--muted); }

.login-wrap { max-width: 380px; margin: 12vh auto; }
.login-wrap .panel { padding: 26px; }

.checklist { columns: 3; column-gap: 24px; font-size: 13px; }
.checklist label { display: block; color: var(--ink); margin-bottom: 2px; break-inside: avoid; }
.checklist input { margin-right: 6px; }

@media (max-width: 800px) {
    .layout { flex-direction: column; }
    .sidebar { width: auto; flex: none; }
    .main { padding: 18px; }
    .checklist { columns: 1; }
}