:root {
  --page:        #f6f7fa;
  --surface:     #ffffff;
  --surface-sub: #eff1f6;
  --ink:         #131820;
  --ink-mid:     #4b5464;
  --ink-soft:    #6e7787;
  --border:      #dce0e8;
  --border-str:  #c2c8d4;
  --accent:      #1f3a93;
  --accent-sub:  #e6eaf7;
  --warn:        #9a5a0c;
  --warn-sub:    #f7eedf;
  --ok:          #0e6659;
  --ok-sub:      #e0efeb;
  --danger:      #8c2f39;
  --danger-sub:  #f6e7e8;
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page:        #10131a;
    --surface:     #171b24;
    --surface-sub: #1e232e;
    --ink:         #e7eaf1;
    --ink-mid:     #a6aebc;
    --ink-soft:    #838c9c;
    --border:      #272d3a;
    --border-str:  #38404f;
    --accent:      #8aa0ec;
    --accent-sub:  #1d2440;
    --warn:        #d9a05a;
    --warn-sub:    #2c2317;
    --ok:          #5fbfac;
    --ok-sub:      #142825;
    --danger:      #d98a92;
    --danger-sub:  #2b1a1d;
  }
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 500; line-height: 1.25; }
h1 { font-size: 20px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }
p { margin: 0; }

code, .mono {
  font-family: "Cascadia Mono", Consolas, ui-monospace, monospace;
  font-size: 0.88em;
}

.shell { max-width: 900px; margin: 0 auto; padding: 24px 20px 64px; }

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-str);
  margin-bottom: 20px;
}
.topbar .title { display: flex; flex-direction: column; gap: 2px; }
.topbar .eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.topbar .who { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-mid); }

/* ---------- banners ---------- */

.banner {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 13.5px;
  margin-bottom: 16px;
}
.banner-warn   { background: var(--warn-sub);   color: var(--warn);   border-color: var(--warn); }
.banner-danger { background: var(--danger-sub); color: var(--danger); border-color: var(--danger); }
.banner-ok     { background: var(--ok-sub);     color: var(--ok);     border-color: var(--ok); }
.banner strong { font-weight: 600; }

/* ---------- cards ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
.card > h2 { margin-bottom: 14px; }

.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
label.lbl {
  display: block;
  font-size: 13px;
  color: var(--ink-mid);
  margin-bottom: 6px;
}
.hint { font-size: 13px; color: var(--ink-soft); margin-top: 6px; }
.err  { font-size: 13px; color: var(--danger); margin-top: 6px; min-height: 1px; }

.row2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }

/* ---------- controls ---------- */

input[type="text"], input[type="date"], select {
  width: 100%;
  height: 38px;
  padding: 0 10px;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border-str);
  border-radius: var(--radius);
  font: inherit;
}
input[type="text"]:focus, input[type="date"]:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-sub);
}

button {
  height: 38px;
  padding: 0 16px;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border-str);
  border-radius: var(--radius);
  font: inherit;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--ink-mid); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--surface);
}
@media (prefers-color-scheme: dark) {
  button.primary { color: var(--page); }
}
button.primary:hover:not(:disabled) { filter: brightness(1.08); }

.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.actions .spacer { margin-left: auto; }

/* ---------- typeahead ---------- */

.picker { position: relative; }
.results {
  margin-top: 4px;
  border: 1px solid var(--border-str);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.results:empty { border: none; }
.results div {
  padding: 8px 10px;
  cursor: pointer;
  font-size: 14px;
}
.results div + div { border-top: 1px solid var(--border); }
.results div:hover, .results div.on { background: var(--surface-sub); }
/* client picker rows show name and lookup code; the code is what identifies the client */
.results div { display: flex; gap: 10px; align-items: center; }
.results .code, #clientChosen .code { font-size: 12px; color: var(--ink-soft); }
.results .code { margin-left: auto; }

/* ---------- client checklist ---------- */

.clients {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 260px;
  overflow-y: auto;
}
.clients label {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 7px 10px;
  font-size: 14px;
  cursor: pointer;
}
.clients label + label { border-top: 1px solid var(--border); }
.clients label:hover { background: var(--surface-sub); }
.clients input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }
.clients .code { margin-left: auto; font-size: 12px; color: var(--ink-soft); }

/* ---------- results list ---------- */

.email {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  margin-bottom: 12px;
  overflow: hidden;
}
.email > header {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  background: var(--surface-sub);
  border-bottom: 1px solid var(--border);
}
.email > header .name { font-weight: 600; font-size: 14px; }
.email > header .meta { font-size: 12px; color: var(--ink-soft); }
.email > header .grow { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.email .addr {
  padding: 10px 16px;
  font-size: 12.5px;
  color: var(--ink-mid);
  border-bottom: 1px solid var(--border);
  word-break: break-word;
}
.email .addr b { color: var(--ink); font-weight: 600; }
.email .frame { border: none; width: 100%; height: 420px; display: block; background: #fff; }

.pill {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.pill-ok     { background: var(--ok-sub);     color: var(--ok);     border-color: var(--ok); }
.pill-warn   { background: var(--warn-sub);   color: var(--warn);   border-color: var(--warn); }
.pill-danger { background: var(--danger-sub); color: var(--danger); border-color: var(--danger); }

.muted { color: var(--ink-soft); font-size: 13.5px; }
.hidden { display: none !important; }

.spinner {
  width: 15px; height: 15px;
  border: 2px solid var(--border-str);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
  vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }