:root {
  --bg:        #F7F2E8;   /* warm cream page */
  --surface:   #FFFFFF;   /* card / panel */
  --surface-2: #FBF6EC;   /* secondary panel */
  --line:      #E2D7C2;   /* hairline */
  --line-2:    #C8B998;   /* stronger divider */
  --ink:       #1A1410;   /* primary text — near-black, AAA on cream */
  --ink-mute:  #4A4036;   /* secondary text, AAA */
  --ink-dim:   #6F6557;   /* tertiary text, AA */
  --accent:    #C24A1A;   /* amber-red, used for fills + accent text */
  --accent-2:  #8E3410;
  --good:      #3F7A2C;   /* deeper green for AA on cream */
  --burn:      #B23A1A;   /* deeper burn red */
  --on-accent: #FFFFFF;   /* text color on accent fills */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-ui:      'Geist', ui-sans-serif, system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(194,74,26,0.06), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(142,52,16,0.04), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-ui);
  min-height: 100vh;
  padding: 40px 24px 60px;
}

.app {
  max-width: 920px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(60,40,20,0.18), 0 1px 2px rgba(60,40,20,0.06);
}

/* ---- Topbar ---- */
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--line);
  gap: 12px;
}
.mark {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase;
  display: flex; gap: 9px;
}
.mark .num { color: var(--accent); font-weight: 700; }
.mark .name { color: var(--ink-mute); }

.topbadges { display: flex; align-items: center; gap: 14px; }
.peers {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-mute);
}
.peers .pdot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--good); box-shadow: 0 0 0 4px rgba(63,122,44,0.12);
}
.peers.alone .pdot {
  background: var(--accent); box-shadow: 0 0 0 4px rgba(194,74,26,0.12);
}
.e2ee {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--good);
  border: 1px solid rgba(63,122,44,0.35);
  background: rgba(63,122,44,0.08);
  padding: 4px 9px;
  border-radius: 999px;
  cursor: default;
}

.view { padding: 44px 36px 36px; }

/* ---- Landing ---- */
.eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 16px;
}
.display {
  font-family: var(--font-display); font-weight: 400;
  font-size: 68px; line-height: 0.96; letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.display em { font-style: italic; color: var(--accent); }
.lede {
  max-width: 54ch; font-size: 15.5px; color: var(--ink-mute); line-height: 1.55;
  margin: 0 0 32px;
}
.lede code {
  font-family: var(--font-mono); font-size: 13.5px;
  color: var(--ink); background: var(--bg);
  padding: 1px 6px; border: 1px solid var(--line); border-radius: 4px;
}

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 32px; }
.card {
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px;
  padding: 24px; display: flex; flex-direction: column; gap: 10px; min-height: 168px;
  text-align: left; font-family: inherit; color: inherit;
}
button.card { cursor: pointer; }
button.card:hover { border-color: var(--line-2); }
.card.primary {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(194,74,26,0.08), rgba(194,74,26,0.02)), var(--surface-2);
}
.card.primary:hover {
  background: linear-gradient(180deg, rgba(194,74,26,0.14), rgba(194,74,26,0.04)), var(--surface-2);
}
.card-eyebrow {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-dim);
}
.card-title {
  font-family: var(--font-display); font-size: 32px; line-height: 1.05; letter-spacing: -0.01em;
}
.card-meta {
  margin-top: auto;
  font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-mute);
}
.card.primary .card-meta { color: var(--accent); }

.urlinput {
  margin-top: auto;
  display: flex; align-items: center; gap: 8px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 9px 9px 16px;
}
.urlinput input {
  flex: 1; background: transparent; border: 0; color: var(--ink);
  font-family: var(--font-mono); font-size: 12px; outline: none; min-width: 0;
}
.urlinput input::placeholder { color: var(--ink-dim); }
.urlinput button {
  width: 32px; height: 32px; border-radius: 6px; border: 0;
  background: var(--accent); color: var(--on-accent); font-weight: 700; cursor: pointer;
  font-family: var(--font-ui);
}

.how {
  border-top: 1px solid var(--line); padding-top: 24px;
  display: grid; grid-template-columns: 110px 1fr; gap: 20px;
}
.how-label {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-dim); padding-top: 4px;
}
.how ol {
  margin: 0; padding: 0; list-style: none;
  font-size: 14.5px; color: var(--ink-mute); display: grid; gap: 10px;
}
.how ol li { display: flex; gap: 14px; align-items: baseline; }
.how ol li > span {
  font-family: var(--font-mono); font-size: 11px; color: var(--accent); min-width: 24px;
}
.how ol li em {
  color: var(--ink); font-style: italic; font-family: var(--font-display); font-size: 17px;
}

/* ---- Room: shareblock ---- */
.shareblock {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 22px 24px;
  background: linear-gradient(180deg, rgba(194,74,26,0.04), transparent), var(--surface-2);
  margin-bottom: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
}
.sharemain { min-width: 0; }
.sharelabel {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-dim); margin: 0 0 10px;
  display: flex; align-items: center; gap: 8px;
}
.sharelabel .lock { color: var(--good); }
.shareurl {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 10px;
}
.shareurl code {
  flex: 1 1 0;
  min-width: 0;
  font-family: var(--font-mono); font-size: 13px;
  color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  display: block;
}
.shareurl .host { color: var(--ink-mute); }
.shareurl .frag { color: var(--accent); }
.shareurl .key  { color: var(--good); }
.shareurl button {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-mute);
  background: transparent;
  border: 1px solid var(--line); border-radius: 6px;
  padding: 6px 12px; cursor: pointer;
  flex-shrink: 0;
}
.shareurl button:hover { color: var(--ink); border-color: var(--line-2); }
.shareurl button.primary {
  background: var(--accent); color: var(--on-accent); border-color: var(--accent);
}
.shareurl button.primary:hover { background: var(--accent-2); color: var(--on-accent); border-color: var(--accent-2); }
.sharehint {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.04em;
  color: var(--ink-dim); margin: 0;
}
.sharehint code {
  font-family: var(--font-mono); color: var(--accent);
  background: transparent; padding: 0; border: 0;
}
.sharehint strong { color: var(--burn); font-weight: 500; }

/* ---- QR ---- */
.qrwrap {
  width: 110px; height: 110px;
  background: #FFFFFF; border-radius: 8px;
  padding: 8px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  border: 1px solid var(--line);
}
.qrwrap svg, .qrwrap img { display: block; width: 100%; height: 100%; }
.qrwrap.hidden { display: none; }

/* ---- Drop area ---- */
.drop {
  border: 1.5px dashed var(--line-2); border-radius: 12px;
  padding: 28px 22px 22px; text-align: center; margin-bottom: 26px; position: relative;
  transition: border-color 150ms ease, background 150ms ease;
}
.drop.dragover {
  border-color: var(--accent);
  background: rgba(194,74,26,0.04);
}
.drop.flash { animation: drop-flash 700ms ease-out; }
@keyframes drop-flash {
  0%   { border-color: var(--accent); background: rgba(194,74,26,0.16); box-shadow: 0 0 0 4px rgba(194,74,26,0.18); }
  60%  { border-color: var(--accent); background: rgba(194,74,26,0.08); box-shadow: 0 0 0 8px rgba(194,74,26,0); }
  100% { border-color: var(--line-2); background: transparent; box-shadow: 0 0 0 0 rgba(194,74,26,0); }
}
.drop.busy .drop-icon {
  animation: spin 900ms linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.drop-icon {
  width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent); margin-bottom: 14px;
}
.drop-title { font-size: 16px; margin: 0 0 8px; }
.drop-title strong { color: var(--accent); font-weight: 500; }
.drop-hint {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-dim); margin: 0 0 14px;
}
.drop-hint kbd {
  font-family: var(--font-mono);
  background: var(--bg); border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: 4px; padding: 1px 6px; color: var(--ink-mute); font-size: 10.5px;
}
.drop-actions {
  display: inline-flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: center;
}

.actbtn {
  font-family: var(--font-ui); font-size: 12.5px;
  background: var(--surface-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 6px;
  padding: 8px 16px; cursor: pointer;
}
.actbtn:hover { border-color: var(--line-2); }
.actbtn.primary {
  background: var(--accent); color: var(--on-accent); border-color: var(--accent); font-weight: 500;
}
.actbtn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.actbtn.burn-on {
  background: rgba(178,58,26,0.12); border-color: var(--burn); color: var(--burn); font-weight: 500;
}
.actbtn.burn-on:hover { background: rgba(178,58,26,0.20); }
.actbtn[disabled] { opacity: 0.5; cursor: not-allowed; }
.actbtn-icon {
  padding: 0;
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}
.actbtn-icon svg { display: block; width: 15px; height: 15px; }
.actbtn-danger { color: var(--burn); }
.actbtn-danger:hover { border-color: var(--burn); background: rgba(178,58,26,0.06); }
.actbtn-danger-solid {
  background: var(--burn); color: #FFFFFF; border-color: var(--burn); font-weight: 500;
}
.actbtn-danger-solid:hover { background: #8E2A14; border-color: #8E2A14; }

.confirm-name {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  margin: 0;
  word-break: break-word;
}
.confirm-hint {
  font-size: 12.5px;
  color: var(--ink-mute);
  margin: 0;
  line-height: 1.4;
}

/* ---- Burn switch ---- */
.burntoggle {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line); border-radius: 6px;
  font-size: 12.5px; color: var(--ink-mute);
  cursor: pointer; user-select: none;
  background: var(--surface-2);
}
.burntoggle.on {
  border-color: var(--burn); color: var(--burn); background: rgba(178,58,26,0.10);
}
.burntoggle .switch {
  width: 26px; height: 14px; border-radius: 999px; background: var(--line-2);
  position: relative; transition: background 200ms ease;
}
.burntoggle .switch::after {
  content: ''; position: absolute; left: 2px; top: 2px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ink-mute);
  transition: left 200ms ease, background 200ms ease;
}
.burntoggle.on .switch { background: var(--burn); }
.burntoggle.on .switch::after { left: 14px; background: var(--ink); }

/* ---- Discipline note ---- */
.discipline {
  background: rgba(142,52,16,0.06);
  border: 1px solid rgba(142,52,16,0.25);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 12.5px; color: var(--ink-mute); margin-bottom: 22px; line-height: 1.55;
}
.discipline strong { color: var(--accent-2); font-weight: 500; }
.discipline kbd {
  font-family: var(--font-mono);
  background: var(--bg); border: 1px solid var(--line); border-radius: 3px;
  padding: 0 5px; color: var(--ink-mute); font-size: 11px;
}

/* ---- Items ---- */
.items-head {
  display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 16px;
}
.items-title {
  font-family: var(--font-display); font-size: 26px; margin: 0;
  display: flex; gap: 12px; align-items: baseline;
}
.items-count {
  font-family: var(--font-mono); font-size: 11px; color: var(--accent);
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px;
}
.items-sub {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-dim); margin: 0;
}

.empty {
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim);
  text-align: center; padding: 22px; border: 1px dashed var(--line-2); border-radius: 10px;
}

.item {
  display: grid; grid-template-columns: 60px 1fr auto;
  gap: 18px; align-items: center;
  padding: 16px 18px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px;
  margin-bottom: 12px; position: relative;
}
.item.burnable { border-left: 3px solid var(--burn); padding-left: 16px; }
.item.burned { opacity: 0.55; border-style: dashed; }

.thumb {
  width: 60px; height: 60px; border-radius: 8px; border: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
  background: var(--bg);
}
.thumb.text { color: var(--accent); font-family: var(--font-mono); font-size: 14px; }
.thumb.file { color: var(--ink-mute); }
.thumb.burned-thumb { color: var(--burn); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }

.item-name {
  font-size: 14.5px; margin: 0 0 4px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  display: flex; align-items: center; gap: 8px;
}
.item-name code { font-family: var(--font-mono); font-size: 13.5px; }
.item-sub {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-dim); margin: 0;
}
.sep { margin: 0 6px; opacity: 0.5; }
.item-actions { display: flex; gap: 8px; align-items: center; }
.burn-badge {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em;
  color: var(--burn);
  border: 1px solid rgba(178,58,26,0.4);
  background: rgba(178,58,26,0.10);
  padding: 1px 8px; border-radius: 4px;
}
.you-badge {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-dim); border: 1px solid var(--line); border-radius: 4px;
  padding: 1px 6px;
}

/* ---- Modal ---- */
.modal {
  position: fixed; inset: 0;
  background: rgba(40,28,16,0.40);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; z-index: 50;
}
.modal-card {
  width: 100%; max-width: 520px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.modal-title {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-dim); margin: 0;
}
#text-input {
  width: 100%; resize: vertical;
  background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px; font-family: var(--font-mono); font-size: 13px; outline: none;
  min-height: 140px;
}
#text-input:focus { border-color: var(--accent); }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ---- Image preview modal ---- */
.modal-preview {
  background: rgba(20,14,8,0.78);
  padding: 32px;
  cursor: zoom-out;
}
.preview-card {
  max-width: min(1400px, 96vw);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: default;
}
.preview-card img {
  max-width: 100%;
  max-height: calc(92vh - 56px);
  width: auto;
  height: auto;
  border-radius: 8px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  object-fit: contain;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5);
}
.preview-actions {
  display: flex; align-items: center; gap: 12px; justify-content: flex-end;
}
.preview-meta {
  margin-right: auto;
  font-family: var(--font-mono); font-size: 11.5px; color: #FBF6EC;
  letter-spacing: 0.04em;
}

.thumb.zoomable { cursor: zoom-in; }

/* ---- Full-page arrival flash ---- */
.page-flash {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0;
}
/* 5 × 1 s pulses = ~5 seconds of attention-grabbing flashing. */
.page-flash.flash { animation: page-flash 1000ms ease-in-out 5; }
@keyframes page-flash {
  0%, 100% {
    opacity: 0;
    background: radial-gradient(circle at center, rgba(194,74,26,0) 0%, rgba(194,74,26,0) 100%);
    box-shadow: inset 0 0 0 0 rgba(194,74,26, 0);
  }
  50% {
    opacity: 1;
    background: radial-gradient(circle at center, rgba(194,74,26,0.10) 0%, rgba(194,74,26,0) 70%);
    box-shadow: inset 0 0 90px 18px rgba(194,74,26, 0.32);
  }
}

/* ---- Toasts ---- */
.toast-region {
  position: fixed; right: 24px; bottom: 24px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 80; pointer-events: none;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink);
  box-shadow: 0 12px 28px -12px rgba(60,40,20,0.25);
  pointer-events: auto;
  animation: toast-in 180ms ease-out;
}
.toast.error { border-color: rgba(178,58,26,0.45); color: var(--burn); }
.toast.ok    { border-color: rgba(63,122,44,0.45); color: var(--good); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive ---- */
@media (max-width: 720px) {
  body { padding: 16px 12px 40px; }
  .view { padding: 28px 22px; }
  .display { font-size: 44px; }
  .cards { grid-template-columns: 1fr; }
  .how { grid-template-columns: 1fr; gap: 10px; }
  .shareblock { grid-template-columns: 1fr; }
  .qrwrap { justify-self: center; }
  .item { grid-template-columns: 48px 1fr; }
  .thumb { width: 48px; height: 48px; }
  .item-actions { grid-column: 1 / -1; justify-content: flex-end; }
}