/* Desktop web UI. Built for a browser window, not a phone.
   Constraints:
   - a full-height three-pane shell: inbox rail, the email, the record
   - each column scrolls on its own so the page frame never moves
   - a field needing review is distinguishable without relying on colour
   - the not-an-inquiry and failure states get real layout, not a red banner
   - system fonts only; no webfont round-trip before the demo is legible */

:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --rail: #f0efeb;
  --line: #e2e0da;
  --line-soft: #eeece7;
  --ink: #1a1a18;
  --ink-2: #55534e;
  --ink-3: #86837c;
  --accent: #1c6b5a;
  --accent-soft: #e5f1ed;
  --flag: #8a5a12;
  --flag-soft: #fbf1e0;
  --stop: #93311f;
  --stop-soft: #fbeae6;
  --appbar-h: 68px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121210;
    --surface: #1b1b18;
    --rail: #171715;
    --line: #302f29;
    --line-soft: #24231f;
    --ink: #f2f0eb;
    --ink-2: #b8b5ac;
    --ink-3: #85827a;
    --accent: #6fbfa8;
    --accent-soft: #1a2d28;
    --flag: #d9a34e;
    --flag-soft: #2b2517;
    --stop: #e08a76;
    --stop-soft: #2d1c17;
  }
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 var(--sans);
}

h1, h2, h3 { margin: 0; line-height: 1.25; }
a { color: var(--accent); }

/* --------------------------------------------------------------- app bar */

.appbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--appbar-h);
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.brand__eyebrow {
  margin: 0 0 3px;
  font-size: 10.5px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.brand__line { font-size: 19px; letter-spacing: -.011em; }

.meter {
  margin: 0;
  font: 13px var(--mono);
  color: var(--ink-3);
  white-space: nowrap;
}
.meter b { color: var(--ink); font-weight: 600; }

/* ----------------------------------------------------------------- shell */

.shell {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: 268px minmax(380px, 1fr) minmax(420px, 1fr);
}

/* One fallback so a half-width window is usable. Below this the columns
   stack and the page scrolls normally; no phone-specific work beyond that. */
@media (max-width: 1040px) {
  body { height: auto; }
  .shell { grid-template-columns: 1fr; min-height: 0; }
  .rail { border-right: 0; border-bottom: 1px solid var(--line); }
  .col { border-right: 0; border-bottom: 1px solid var(--line); }
  .col__body, .rail { overflow: visible; }
}

/* ------------------------------------------------------------------ rail */

.rail {
  border-right: 1px solid var(--line);
  background: var(--rail);
  padding: 18px 14px 22px;
  overflow-y: auto;
}
.rail__head {
  margin: 0 0 8px 8px;
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.rail__head--spaced { margin-top: 22px; }

.rail__item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 11px;
  margin-bottom: 3px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  font: inherit;
  color: var(--ink-2);
  cursor: pointer;
}
.rail__item:hover { background: var(--surface); }
.rail__item[aria-selected="true"] {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}
.rail__item[aria-selected="true"] .rail__label { color: var(--accent); }
.rail__label { display: block; font-size: 14px; font-weight: 600; }
.rail__note { display: block; margin-top: 1px; font-size: 12px; color: var(--ink-3); }
.rail__item--action { border: 1px dashed var(--line); }
.rail__foot {
  margin: 20px 8px 0;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--ink-3);
}

/* --------------------------------------------------------------- columns */

.col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  border-right: 1px solid var(--line);
  background: var(--surface);
}
.col--record { border-right: 0; background: var(--bg); }

.col__head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 46px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line-soft);
}
.col__head h2 {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}
.col__tag { font-size: 12px; color: var(--ink-3); }

.col__body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 20px 22px 28px;
}

.raw {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: 13px/1.7 var(--mono);
  color: var(--ink-2);
}

/* ---------------------------------------------------------------- record */

.row {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  opacity: 0;
  transform: translateY(3px);
  transition: opacity .22s ease, transform .22s ease;
}
.row.is-in { opacity: 1; transform: none; }
.row:last-child { border-bottom: 0; }
.row__key { color: var(--ink-3); font-size: 12.5px; padding-top: 2px; }
.row__val { font-size: 15px; word-break: break-word; }
.row__val--mono { font-family: var(--mono); font-size: 13.5px; }
.row__val--empty { color: var(--ink-3); font-style: italic; }

.tag {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 7px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  vertical-align: 1px;
  white-space: nowrap;
}
.tag--review { background: var(--flag-soft); color: var(--flag); }
.tag--dropped { background: var(--stop-soft); color: var(--stop); }

.badge {
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
}
.badge--high { background: var(--accent-soft); color: var(--accent); }
.badge--medium, .badge--low { background: var(--flag-soft); color: var(--flag); }

.panel { padding: 12px 0 8px; max-width: 34rem; }
.panel__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}
.panel--skip .panel__mark { background: var(--line-soft); color: var(--ink-3); }
.panel--fail .panel__mark { background: var(--stop-soft); color: var(--stop); }
.panel h3 { margin-bottom: 8px; font-size: 17px; }
.panel p { margin: 0 0 10px; color: var(--ink-2); }
.panel .hint { display: block; margin-top: 14px; }

/* ----------------------------------------------------- reply & composer */

.reply {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.reply__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 11px;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}
.hint {
  font-size: 12.5px;
  color: var(--ink-3);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: 14.5px/1.6 var(--sans);
  resize: vertical;
}
.reply__box { min-height: 84px; overflow: hidden; }
.composer__box { min-height: 300px; font: 13px/1.7 var(--mono); resize: none; }

textarea:focus-visible, .rail__item:focus-visible, .btn:focus-visible, .raw:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.reply__actions, .composer__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}
.btn {
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { border-color: var(--ink-3); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .btn--primary { color: #10201c; } }
.btn[disabled] { opacity: .5; cursor: default; }

/* --------------------------------------------------------------- notices */

.notice {
  flex: 0 0 auto;
  margin: 0;
  padding: 9px 24px;
  border-bottom: 1px solid var(--flag);
  background: var(--flag-soft);
  color: var(--flag);
  font-size: 12.5px;
}

.colophon {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 28px;
  padding: 12px 24px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-3);
  font-size: 12px;
}
.colophon p { margin: 0; max-width: 74ch; }

@media (prefers-reduced-motion: reduce) {
  .row { transition: none; opacity: 1; transform: none; }
}