/* chatroast, static BYOK build.
   Same typographic language as the report page: white, one 680px column,
   serif display, system sans body, WhatsApp green as the only accent. */

:root {
  --bg: #ffffff;
  --ink: #111111;
  --muted: #6b6b6b;
  --lede: #2b2b2b;
  --line: #e6e6e6;
  --soft: #cfcfcf;
  --hover-line: #9a9a9a;
  --hover-bg: #fcfcfc;
  --card: #f7f7f7;
  --code-bg: #f0f0f0;
  --amber: #f5c451;
  --bubble: #d9fdd3;
  --green: #1f8a53;
  --warn-bg: #fff8e6;
  --warn-line: #e8c76a;
  --trust-link: #6b4a00;
  --btn-fg: #ffffff;
  --btn-hover: #000000;
  --danger-fg: #8a2b2b;
  --danger-line: #e7c9c9;
  --danger-bg: #fdf4f4;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --serif: Georgia, 'Times New Roman', Times, serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

/* The dark palette applies two ways: html.dark (the toggle's explicit choice)
   and, until the toggle has ever been used, the system scheme. The token block
   is therefore written twice; keep both copies identical. */
html.dark {
  --bg: #101010;
  --ink: #ececec;
  --muted: #9d9d9d;
  --lede: #cfcfcf;
  --line: #262626;
  --soft: #3a3a3a;
  --hover-line: #6a6a6a;
  --hover-bg: #181818;
  --card: #1a1a1a;
  --code-bg: #222222;
  --bubble: #123a2a;
  --green: #34b671;
  --warn-bg: #241c07;
  --warn-line: #6d5a1e;
  --trust-link: #e8c76a;
  --btn-fg: #101010;
  --btn-hover: #ffffff;
  --danger-fg: #e08f8f;
  --danger-line: #5a2a2a;
  --danger-bg: #2a1616;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  html:not(.light) {
    --bg: #101010;
    --ink: #ececec;
    --muted: #9d9d9d;
    --lede: #cfcfcf;
    --line: #262626;
    --soft: #3a3a3a;
    --hover-line: #6a6a6a;
    --hover-bg: #181818;
    --card: #1a1a1a;
    --code-bg: #222222;
    --bubble: #123a2a;
    --green: #34b671;
    --warn-bg: #241c07;
    --warn-line: #6d5a1e;
    --trust-link: #e8c76a;
    --btn-fg: #101010;
    --btn-hover: #ffffff;
    --danger-fg: #e08f8f;
    --danger-line: #5a2a2a;
    --danger-bg: #2a1616;
    color-scheme: dark;
  }
}

/* The mode switch is a single full-page cross-fade (started from main.ts via
   the View Transitions API) so every colour changes in step; browsers without
   the API, and reduced-motion users, switch instantly. */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.71s;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.column {
  max-width: 680px;
  margin: 0 auto;
  padding: 40px 24px 96px;
}

/* the report view needs the whole window */
.column.wide { max-width: none; padding: 16px 16px 24px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.muted { color: var(--muted); }
.small { font-size: 14px; }
.serif { font-family: var(--serif); }
a { color: inherit; }

/* ---------- masthead ---------- */

.topnav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 15px;
}
.topnav a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); }
.topnav a:hover { color: var(--ink); border-bottom-color: var(--ink); }

.pill {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.display {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 20px 0 24px;
}

.byline {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border-radius: 12px;
  padding: 14px 16px;
}

.avatar {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--amber);
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
}

.byline-text { display: flex; flex-direction: column; }
.byline-text strong { font-size: 16px; }
.byline-text .muted { font-size: 15px; line-height: 1.45; }

.lede { margin: 28px 0 36px; color: var(--lede); }

/* ---------- upload ---------- */

.card { margin: 0 0 8px; }

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  padding: 44px 24px 36px;
  border: 1.5px dashed var(--soft);
  border-radius: 16px;
  background: var(--bg);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}

.dropzone:hover { border-color: var(--hover-line); background: var(--hover-bg); }
.dropzone:focus-within { outline: 2px solid var(--ink); outline-offset: 3px; }
.dropzone.dragover { border-color: var(--green); border-style: solid; background: var(--bubble); }
.dropzone.busy { cursor: progress; opacity: .75; }

.drop-title { font-family: var(--serif); font-size: 22px; font-weight: 700; }
.drop-sub { color: var(--muted); font-size: 15px; }

.dropzone input[type=file] {
  position: absolute;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--code-bg);
  border-radius: 6px;
  padding: 2px 8px;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 8px 20px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  background: var(--ink);
  color: var(--btn-fg);
  text-decoration: none;
  cursor: pointer;
}
.dropzone .btn { margin-top: 10px; }
.btn:hover { background: var(--btn-hover); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn.ghost { background: var(--bg); color: var(--ink); border-color: var(--soft); }
.btn.ghost:hover { border-color: var(--ink); background: var(--hover-bg); }
.btn.danger { color: var(--danger-fg); border-color: var(--danger-line); }
.btn.danger:hover { background: var(--danger-bg); border-color: var(--danger-fg); }

.btn.big { font-size: 17px; padding: 12px 26px; }

.status { min-height: 1.6em; margin: 14px 2px 0; color: var(--muted); font-size: 15px; }

.error {
  margin: 12px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--danger-line);
  background: var(--danger-bg);
  border-radius: 10px;
  color: var(--danger-fg);
  font-size: 15px;
  white-space: pre-wrap;
}

.how { margin-top: 18px; font-size: 15px; color: var(--muted); }
.how summary { cursor: pointer; }
.how p { margin: 10px 0 0; }

/* ---------- stats ---------- */

.result { margin-top: 48px; }
.result h2 { font-size: 32px; margin: 0 0 18px; font-weight: 700; }

.stats { margin: 0 0 24px; }
.stats > div {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.stats dt { flex: 0 0 110px; color: var(--muted); font-size: 15px; margin: 0; }
.stats dd { margin: 0; }

.senders {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 28px;
  font-size: 15px;
}
.senders caption { text-align: left; color: var(--muted); font-size: 14px; padding-bottom: 8px; }
.senders th, .senders td { text-align: left; padding: 8px 0; border-bottom: 1px solid var(--line); }
.senders th { font-weight: 600; color: var(--muted); font-size: 14px; }
.senders td:last-child, .senders th:last-child { text-align: right; font-variant-numeric: tabular-nums; }

.state { border-radius: 12px; padding: 18px 20px; background: var(--card); margin-top: 24px; }
.state p { margin: 0 0 8px; }
.state p:last-child { margin-bottom: 0; }
.state.done { background: var(--bubble); }

/* ---------- library ---------- */

.reports { margin-top: 64px; border-top: 1px solid var(--line); padding-top: 32px; }
.reports h2 { font-size: 28px; margin: 0 0 6px; font-weight: 700; }
.reports .muted { margin: 0 0 20px; }

.report-grid { display: grid; gap: 12px; }

.report-row {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color .15s ease, background .15s ease;
}
.report-row:hover { border-color: var(--hover-line); background: var(--hover-bg); }
.report-row a { flex: 1 1 auto; text-decoration: none; min-width: 0; }
.report-row .rc-title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  display: block;
}
.report-row .rc-meta { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.report-row .btn { flex: 0 0 auto; padding: 6px 14px; font-size: 14px; }

.foot { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--line); }

/* ---------- forms ---------- */

.form-h { font-size: 28px; margin: 0 0 8px; }
.form { margin-top: 24px; }

.field { display: block; margin: 0 0 4px; }
.field-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}
.field input, .field select {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--soft);
  border-radius: 10px;
  padding: 10px 12px;
}
.field input:focus, .field select:focus { outline: 2px solid var(--ink); outline-offset: 1px; }
.field input[type=password], .field input[type=text]#f-key { font-family: var(--mono); }

.key-row { display: flex; gap: 8px; align-items: stretch; }
/* basis 0, not auto: the input's width must never follow its intrinsic size,
   which shifts when its type flips between password and text */
.key-row input { flex: 1 1 0; min-width: 0; }
/* wide enough for both "Show" and "Hide", so toggling does not move the row */
.key-row .btn { flex: 0 0 auto; min-width: 84px; text-align: center; }

.note { margin: 6px 2px 22px; font-size: 14px; line-height: 1.5; color: var(--muted); }

.check { display: flex; gap: 10px; align-items: flex-start; margin: 18px 0 24px; font-size: 15px; }
.check input { margin-top: 5px; flex: 0 0 auto; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 8px; }

/* ---------- the trust notice ---------- */

.trust {
  margin: 26px 0;
  padding: 18px 20px;
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-left: 5px solid var(--warn-line);
  border-radius: 12px;
  font-size: 15px;
  line-height: 1.55;
}
.trust-h {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.trust p { margin: 0 0 12px; }
.trust p:last-child { margin-bottom: 0; }
.trust a { color: #6b4a00; text-decoration: underline; }

/* ---------- report view ---------- */

.report-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px; }
.report-frame {
  display: block;
  width: 100%;
  height: calc(100vh - 90px);
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 12px;
  /* stays white in dark mode too: the report document inside is a white page */
  background: #fff;
}

/* ---------- theme toggle ---------- */

/* lives inline in each view's nav row, left of the links (moved there by main.ts) */
.theme-toggle {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--soft);
  border-radius: 50%;
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
}
.theme-toggle[hidden] { display: none; }
.theme-toggle:hover { color: var(--ink); border-color: var(--ink); }
.theme-toggle svg { display: block; }

/* the moon invites dark mode, the sun invites light; both media- and class-aware */
.theme-toggle .icon-sun { display: none; }
html.dark .theme-toggle .icon-sun { display: block; }
html.dark .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  html:not(.light) .theme-toggle .icon-sun { display: block; }
  html:not(.light) .theme-toggle .icon-moon { display: none; }
}


@media (max-width: 480px) {
  .column { padding: 28px 18px 72px; }
  .display { font-size: 32px; }
  .stats > div { flex-direction: column; gap: 2px; }
  .stats dt { flex: none; }
  .report-row { flex-wrap: wrap; }
}