/* ============================================================
   Assessment Result mail generator — "ops ledger" theme
   paper + ink + vermilion, rubber stamps, mail-room feel
   ============================================================ */

:root {
  --paper:      #F5F1E6;
  --paper-deep: #EDE8D8;
  --card:       #FCFAF3;
  --ink:        #1C1A14;
  --ink-soft:   #57523F;
  --line:       #D9D2BC;
  --line-soft:  #E6E0CC;
  --red:        #C4391B;
  --red-deep:   #9E2C13;
  --green:      #1F6B45;
  --amber:      #A8740F;
  --blue:       #2B4E7E;
  --radius:     10px;
  --shadow:     0 1px 0 rgba(28,26,20,.06), 0 12px 32px -18px rgba(28,26,20,.35);
  --font-disp:  "Fraunces", Georgia, serif;
  --font-body:  "Instrument Sans", "Segoe UI", sans-serif;
  --font-mono:  "IBM Plex Mono", Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { color-scheme: light; }

body {
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(196,57,27,.06), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(31,107,69,.07), transparent 55%),
    var(--paper);
  color: var(--ink);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.45;
}

/* subtle ledger ruling */
body::before {
  content: "";
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: repeating-linear-gradient(to bottom, transparent 0 31px, rgba(28,26,20,.025) 31px 32px);
}

::selection { background: var(--red); color: #fff; }

/* ---------------- top bar ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--red);
}
.topbar-inner {
  max-width: 1440px; margin: 0 auto; padding: 14px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  font-size: 26px; color: var(--red);
  display: grid; place-items: center;
  width: 44px; height: 44px; border: 1.5px solid rgba(245,241,230,.35); border-radius: 8px;
}
.topbar h1 {
  font-family: var(--font-disp); font-weight: 900; font-size: 22px; letter-spacing: .2px;
}
.topbar h1 em { font-style: italic; font-weight: 400; color: #CFC7AC; }
.topbar-sub { font-size: 12px; color: #B9B096; letter-spacing: .4px; }
.topbar-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-family: var(--font-mono); font-size: 11.5px; padding: 5px 10px;
  border: 1px solid rgba(245,241,230,.3); border-radius: 999px; color: #D8D2BC;
  white-space: nowrap;
}
.chip-clock { border-color: var(--amber); color: #E8C87E; }

/* ---------------- layout ---------------- */
.layout {
  position: relative; z-index: 1;
  max-width: 1440px; margin: 0 auto; padding: 28px;
  display: grid; grid-template-columns: minmax(400px, 5fr) minmax(440px, 6fr); gap: 24px;
  align-items: start;
}
.pane-records { grid-column: 1 / -1; }
.pane-preview { position: sticky; top: 96px; }

/* ---------------- cards ---------------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
}
.pane-form { display: grid; gap: 24px; }
.pane-records .card { padding-bottom: 14px; }

.card-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 12px; margin-bottom: 16px;
}
.card-head h2 {
  font-family: var(--font-disp); font-weight: 600; font-size: 19px;
}
.card-note { font-size: 12px; color: var(--ink-soft); font-style: italic; }
.card-foot { margin-top: 14px; font-size: 12px; color: var(--ink-soft); }
.card-foot code { font-family: var(--font-mono); font-size: 11px; background: var(--paper-deep); padding: 2px 6px; border-radius: 4px; }

.stack { display: grid; gap: 16px; }

/* ---------------- fields ---------------- */
.field { display: grid; gap: 6px; position: relative; }
.field-label {
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .9px;
  color: var(--ink-soft);
  display: flex; align-items: center; gap: 6px;
}
.req { color: var(--red); font-size: 13px; }
.opt { font-weight: 500; text-transform: none; letter-spacing: 0; color: #97906F; font-size: 11.5px; font-style: italic; }

.field input[type="text"],
.field input[type="date"],
.field input[type="time"],
.field select,
.field textarea {
  font: inherit; color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 9px 12px;
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; min-height: 84px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(28,26,20,.1);
}
.field.invalid input, .field.invalid select, .field.invalid textarea {
  border-color: var(--red); box-shadow: 0 0 0 3px rgba(196,57,27,.12);
}
.field-err { font-size: 12px; color: var(--red); font-weight: 600; }
.field-hint { font-size: 12px; color: var(--ink-soft); }

/* rows hidden by logic */
.field[data-row].row-hidden { display: none; }

/* ---------------- segmented (Result) ---------------- */
.segmented { display: flex; gap: 8px; }
.seg {
  flex: 1; padding: 9px 0; cursor: pointer;
  font: 600 13.5px var(--font-body); letter-spacing: .3px;
  background: #fff; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 7px;
  transition: all .15s;
}
.seg:hover { border-color: var(--ink); color: var(--ink); }
.seg.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.seg[data-val="Passed"].active { background: var(--green); border-color: var(--green); }
.seg[data-val="Failed"].active { background: var(--red); border-color: var(--red); }
.seg[data-val="Unknown"].active { background: var(--amber); border-color: var(--amber); }

/* ---------------- buttons ---------------- */
.btn {
  font: 600 14px var(--font-body);
  padding: 10px 18px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--ink); background: #fff; color: var(--ink);
  transition: transform .1s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 14px -8px rgba(28,26,20,.5); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--red); border-color: var(--red-deep); color: #fff; }
.btn-primary:hover { background: var(--red-deep); }
.btn-ghost { border-color: var(--line); color: var(--ink-soft); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }

.form-actions { display: flex; align-items: center; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
.save-hint { font-size: 12px; color: var(--ink-soft); }

/* ---------------- mail card ---------------- */
.mail-card { position: relative; overflow: visible; }
.mail-head { border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 4px; }
.mail-subject { font-family: var(--font-disp); font-weight: 600; font-size: 17px; display: flex; gap: 8px; align-items: baseline; }
.re-tag { font-family: var(--font-mono); font-size: 12px; color: var(--red); font-weight: 600; }
.mail-meta { display: flex; justify-content: space-between; gap: 10px; margin-top: 6px; font-size: 12px; color: var(--ink-soft); font-family: var(--font-mono); flex-wrap: wrap; }

.stamp {
  position: absolute; top: 64px; right: 26px; z-index: 5;
  font-family: var(--font-disp); font-weight: 900; font-size: 21px; letter-spacing: 2px;
  padding: 5px 14px; border: 2.5px solid currentColor; border-radius: 6px;
  transform: rotate(6deg); opacity: .85; pointer-events: none;
  transition: all .2s;
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.6' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.9 0.12'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.6' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.9 0.12'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}
.stamp.stamp-green  { color: var(--green); }
.stamp.stamp-red    { color: var(--red); }
.stamp.stamp-amber  { color: var(--amber); }
.stamp.stamp-blue   { color: var(--blue); }
.stamp.stamp-draft  { color: #97906F; border-style: dashed; }

.mail-tabs { display: flex; gap: 4px; margin: 14px 0 0; border-bottom: 1px solid var(--line); }
.tab {
  font: 600 12.5px var(--font-mono); letter-spacing: .5px;
  padding: 8px 14px; cursor: pointer; background: none; border: none; color: var(--ink-soft);
  border-bottom: 2.5px solid transparent; margin-bottom: -1px;
}
.tab.active { color: var(--red); border-bottom-color: var(--red); }
.tab:hover { color: var(--ink); }

.mail-body { min-height: 220px; padding: 18px 2px 6px; }
.mail-pane { display: none; }
.mail-pane.active { display: block; }
pre.mail-pane {
  font-family: var(--font-mono); font-size: 13px; line-height: 1.75;
  white-space: pre-wrap; word-break: break-word;
  background: var(--paper-deep); border: 1px solid var(--line-soft);
  border-radius: 8px; padding: 16px;
}
.mail-pane-code { color: var(--blue); }

/* rendered pane mimics the received mail */
#paneRendered {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 18px 20px; font-size: 14.5px;
}
#paneRendered .mline { margin-bottom: 4px; }
#paneRendered .mline b { font-weight: 700; }
#paneRendered .mfeedback { margin-top: 10px; white-space: pre-wrap; color: var(--ink-soft); }
#paneRendered .mempty { color: #A39B7C; font-style: italic; font-family: var(--font-body); }

.mail-actions { display: flex; gap: 10px; margin-top: 14px; }

.toast {
  position: absolute; left: 50%; bottom: 14px; transform: translate(-50%, 8px);
  background: var(--ink); color: var(--paper);
  font: 600 12.5px var(--font-mono); padding: 8px 16px; border-radius: 999px;
  opacity: 0; pointer-events: none; transition: all .25s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------------- records table ---------------- */
.table-wrap { overflow-x: auto; }
.records { width: 100%; border-collapse: collapse; font-size: 13px; }
.records th {
  text-align: left; font: 700 11px var(--font-body); text-transform: uppercase; letter-spacing: .8px;
  color: var(--ink-soft); padding: 8px 10px; border-bottom: 1.5px solid var(--line);
  white-space: nowrap;
}
.records td { padding: 9px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.records tr.current td { background: rgba(31,107,69,.05); }
.records tr.superseded td { color: #A39B7C; }
.records tr.superseded td:first-child { text-decoration: line-through; }
.records-empty td { text-align: center; color: #A39B7C; font-style: italic; padding: 22px; }

.pill {
  display: inline-block; font: 600 11px var(--font-mono); letter-spacing: .4px;
  padding: 2px 9px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap;
}
.pill-passed { color: var(--green); }
.pill-failed { color: var(--red); }
.pill-unknown { color: var(--amber); }
.pill-cancelled { color: #6E6750; }
.pill-training { color: var(--blue); }
.pill-current { color: var(--green); background: rgba(31,107,69,.08); }
.pill-old { color: #97906F; border-style: dashed; }

.btn-mini {
  font: 600 12px var(--font-body); padding: 5px 12px; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--ink); background: #fff; white-space: nowrap;
}
.btn-mini:hover { background: var(--ink); color: var(--paper); }
.btn-mini:disabled { opacity: .4; cursor: not-allowed; }
.btn-mini:disabled:hover { background: #fff; color: var(--ink); }
.feedback-cell { max-width: 320px; color: var(--ink-soft); }
.mono-cell { font-family: var(--font-mono); font-size: 12px; white-space: nowrap; }

/* ---------------- modal ---------------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(28,26,20,.45); backdrop-filter: blur(2px);
  display: grid; place-items: center; padding: 20px;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: var(--card); border-radius: 14px; border-top: 4px solid var(--red);
  box-shadow: 0 30px 80px -20px rgba(28,26,20,.5);
  width: min(520px, 100%); padding: 24px 26px;
  display: grid; gap: 16px;
  animation: pop .18s ease-out;
}
@keyframes pop { from { transform: translateY(10px) scale(.98); opacity: 0; } }
.modal h3 { font-family: var(--font-disp); font-weight: 600; font-size: 21px; }
.modal-sub { font: 400 12.5px var(--font-body); color: var(--ink-soft); margin-left: 8px; font-style: italic; }
.modal-preview pre {
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.7;
  background: var(--paper-deep); border: 1px dashed var(--line);
  border-radius: 8px; padding: 12px 14px; white-space: pre-wrap;
}
.modal-actions { display: flex; gap: 10px; }

/* ---------------- responsive ---------------- */
@media (max-width: 1080px) {
  .layout { grid-template-columns: 1fr; }
  .pane-preview { position: static; }
}
@media (max-width: 560px) {
  .topbar-inner, .layout { padding-left: 16px; padding-right: 16px; }
}