/* =========================================================================
   Mail Ledger
   A register, not an inbox. Records are numbered, sealed, and permanent —
   the type carries that: monospace for anything that identifies a record,
   sans for anything a person wrote.
   ========================================================================= */

:root {
  --ink:        #0f1a1e;
  --ink-soft:   #1d2c32;
  --paper:      #ffffff;
  --wash:       #eef2f3;
  --wash-deep:  #e2e9eb;
  --rule:       #d3dcdf;
  --text:       #131c1f;
  --muted:      #66757b;
  --seal:       #8a6320;
  --seal-wash:  #f7f0df;
  --link:       #1c5f7a;
  --danger:     #8c2f22;

  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --step: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--wash);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

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

:focus-visible {
  outline: 2px solid var(--seal);
  outline-offset: 2px;
}

/* ---------- chrome ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--step);
  background: var(--ink);
  color: #dfe8ea;
  padding: 10px 16px;
  border-bottom: 3px solid var(--seal);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  border: 1px solid rgba(223, 232, 234, 0.45);
  padding: 3px 6px;
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.who {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
}

.who-name { color: #dfe8ea; }

.who-role {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #9fb2b7;
}

.signout { color: #9fd0e0; text-decoration: none; }
.signout:hover { text-decoration: underline; }

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

.shell-narrow { max-width: 420px; padding-top: 12vh; }

.footcue {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- panels ---------- */

.panel {
  background: var(--paper);
  border: 1px solid var(--rule);
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(var(--paper), var(--wash));
}

.panel-title {
  margin: 0;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.panel-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- filter bar ---------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
}

.filters input[type="search"],
.filters select {
  font: inherit;
  padding: 7px 10px;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--text);
  border-radius: 0;
}

.filters input[type="search"] { flex: 1 1 220px; min-width: 0; }

.btn {
  font: inherit;
  font-weight: 600;
  padding: 7px 16px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  border-radius: 0;
}

.btn:hover { background: var(--ink-soft); }

.btn-quiet {
  background: transparent;
  color: var(--ink);
}

.btn-quiet:hover { background: var(--wash-deep); }

/* ---------- the register ---------- */

.register { width: 100%; border-collapse: collapse; }

.register th {
  text-align: left;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 16px;
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}

.register td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--wash-deep);
  vertical-align: top;
}

.register tbody tr:hover { background: var(--wash); }

.entry-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--seal);
  white-space: nowrap;
}

.reg-from { font-weight: 600; }
.reg-from small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }

.reg-subject { text-decoration: none; color: var(--text); font-weight: 600; }
.reg-subject:hover { text-decoration: underline; }
.reg-snippet {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  margin-top: 2px;
}

.reg-when {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.clip {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--seal);
  background: var(--seal-wash);
  border: 1px solid #e6d7b4;
  padding: 1px 5px;
  white-space: nowrap;
}

.empty {
  padding: 40px 16px;
  text-align: center;
  color: var(--muted);
}

/* ---------- pagination ---------- */

.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.pager a { text-decoration: none; }
.pager a:hover { text-decoration: underline; }

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

.record-head {
  padding: 16px;
  border-bottom: 1px solid var(--rule);
}

.record-no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--seal);
  display: flex;
  align-items: center;
  gap: 10px;
}

.record-no::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, #e0cfa4, transparent);
}

.record-subject {
  margin: 8px 0 14px;
  font-size: 21px;
  line-height: 1.3;
  font-weight: 650;
}

.record-fields {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 4px 12px;
  font-size: 13px;
  margin: 0;
}

.record-fields dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 3px;
}

.record-fields dd { margin: 0; word-break: break-word; }

.sealed {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.body-frame {
  width: 100%;
  min-height: 460px;
  border: 0;
  display: block;
  background: var(--paper);
}

.body-plain {
  margin: 0;
  padding: 16px;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--sans);
  font-size: 14px;
}

.attachments { padding: 12px 16px; border-top: 1px solid var(--rule); background: var(--wash); }

.attachments h2 {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.att-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }

.att-list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  text-decoration: none;
  color: var(--text);
}

.att-list a:hover { border-color: var(--seal); }
.att-list .att-size { font-family: var(--mono); font-size: 12px; color: var(--muted); }

.backlink {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 12px;
  text-decoration: none;
}
.backlink:hover { text-decoration: underline; }

/* ---------- sign in ---------- */

.signin { background: var(--paper); border: 1px solid var(--rule); padding: 28px 24px; }

.signin h1 {
  margin: 0 0 4px;
  font-size: 19px;
  letter-spacing: 0.01em;
}

.signin .lede {
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--muted);
}

.field { display: block; margin-bottom: 14px; }

.field span {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 5px;
}

.field input {
  font: inherit;
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--text);
  border-radius: 0;
}

.field input:focus { border-color: var(--seal); }

.signin .btn { width: 100%; padding: 10px; }

.notice {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-left: 3px solid var(--danger);
  background: #fbf1ef;
  font-size: 13px;
}

/* ---------- responsive ---------- */

@media (max-width: 720px) {
  .register thead { display: none; }
  .register tr { display: block; border-bottom: 1px solid var(--rule); padding: 4px 0; }
  .register td { display: block; border: 0; padding: 3px 14px; }
  .register td[data-label="No."] { padding-top: 10px; }
  .register td[data-label="Received"] { padding-bottom: 10px; }
  .record-fields { grid-template-columns: 1fr; gap: 2px; }
  .record-fields dt { padding-top: 8px; }
  .record-subject { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---------- compose ---------- */

.compose-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--wash-deep);
}

.compose-row label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  width: 58px;
  flex: 0 0 auto;
}

.compose-row input[type="text"],
.compose-row select {
  font: inherit;
  flex: 1;
  min-width: 0;
  border: 0;
  padding: 6px 2px;
  background: transparent;
  color: var(--text);
}

.compose-row input[type="text"]:focus,
.compose-row select:focus { outline: none; }

.ccbcc { display: flex; gap: 8px; flex: 0 0 auto; }

.linkish {
  font: inherit;
  font-size: 13px;
  border: 0;
  background: none;
  color: var(--link);
  cursor: pointer;
  padding: 2px 4px;
}
.linkish:hover { text-decoration: underline; }

.hidden { display: none !important; }

.toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--wash-deep);
  background: var(--wash);
}

.toolbar button, .tb-attach {
  font: inherit;
  font-size: 13px;
  border: 1px solid transparent;
  background: none;
  color: var(--ink);
  cursor: pointer;
  padding: 4px 8px;
}

.toolbar button:hover, .tb-attach:hover {
  background: var(--wash-deep);
  border-color: var(--rule);
}

.tb-sep { width: 1px; height: 18px; background: var(--rule); margin: 0 4px; }

.tb-attach { display: inline-block; }

.editor {
  min-height: 260px;
  padding: 16px;
  outline: none;
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
}

.editor.dropping { background: var(--seal-wash); }

.editor:empty::before {
  content: "Write your message…";
  color: var(--muted);
}

.att-tray {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 16px;
}

.att-tray:not(:empty) { padding-bottom: 12px; }

.att-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 6px 8px;
  max-width: 280px;
}

.att-chip img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  display: block;
  border: 1px solid var(--rule);
}

.att-icon {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--seal);
  background: var(--seal-wash);
  border: 1px solid #e6d7b4;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.att-meta {
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.att-remove {
  font: inherit;
  font-size: 16px;
  line-height: 1;
  border: 0;
  background: none;
  color: var(--muted);
  cursor: pointer;
  padding: 2px 4px;
}
.att-remove:hover { color: var(--danger); }

.fwd-atts { padding: 10px 16px; border-top: 1px dashed var(--rule); }
.fwd-att { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 3px 0; }

.compose-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-top: 1px solid var(--rule);
  background: var(--wash);
}

.record-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.record-actions .btn { text-decoration: none; font-size: 13px; }

.notice-ok {
  border-left-color: #2f6b3a;
  background: #eef6ef;
}

@media (max-width: 720px) {
  .compose-row { flex-wrap: wrap; }
  .compose-row label { width: 100%; }
  .record-actions { flex-wrap: wrap; }
}