/* bum share — sigue la guía visual de bum.ar (management/STYLE.md): todo oscuro, marrón + crema + un
   solo naranja, Space Grotesk y IBM Plex Mono, radio 2px, líneas de 1px, casi nada de sombra. */

:root {
  --brown: #482922;
  --brown-light: #5b352d;
  --brown-deep: #2b1713;
  --cream: #f0e4cd;
  --orange: #e2573a;
  --success: #7a9c6a;
  --warning: #d9a441;
  --danger-text: #e8756b;
  --cream-rgb: 240, 228, 205;
  --orange-rgb: 226, 87, 58;
  --line: rgba(var(--cream-rgb), 0.1);
  --line-strong: rgba(var(--cream-rgb), 0.25);
  --line-solid: #4a3029; /* crema al 10 % sobre marrón profundo, opaco: no se suma al superponerse */
  --muted: rgba(var(--cream-rgb), 0.6);
  --font-sans: "Space Grotesk", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pad: 40px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--cream);
  background-color: var(--brown-deep);
  background-image:
    linear-gradient(rgba(var(--cream-rgb), 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--cream-rgb), 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

::selection { background: var(--orange); color: var(--brown); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }
b { font-weight: 500; }

.mono, .kicker, .label, .mono-label, .tag, .status, .hint.mono {
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.kicker { font-size: 13px; letter-spacing: 0.14em; color: var(--orange); }
.label { display: block; font-size: 12px; letter-spacing: 0.12em; color: var(--muted); margin-bottom: 10px; }
.hint { font-size: 13px; font-weight: 300; color: var(--muted); margin: 8px 0 0; }
.hint.mono { font-size: 11px; letter-spacing: 0.14em; margin: 0; }
.muted { color: var(--muted); font-weight: 300; line-height: 1.55; margin: 0 0 16px; text-wrap: pretty; }
.error { color: var(--danger-text); font-size: 13px; margin: 10px 0 0; }

/* --- Botones ------------------------------------------------------------------------------ */

.btn-primary, .btn-outline, .btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 2px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.btn-primary {
  font-weight: 500;
  font-size: 15px;
  color: var(--brown);
  background: var(--orange);
  border: 0;
  padding: 10px 18px;
}

.btn-outline, .btn-accent {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: none;
  border: 1px solid var(--line-strong);
  padding: 9px 14px;
}

.btn-accent { display: none; color: var(--orange); border-color: var(--orange); }

.link-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 0;
  padding: 6px 0;
  cursor: pointer;
  transition: color 0.3s var(--ease);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: none;
  background: none;
  border: 1px solid transparent;
  border-radius: 2px;
  color: rgba(var(--cream-rgb), 0.75);
  cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

button:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 1px solid var(--orange);
  outline-offset: 2px;
}

/* --- Inputs ------------------------------------------------------------------------------- */

.input {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 16px; /* 16px: iOS no hace zoom al enfocar */
  color: var(--cream);
  background: var(--brown-deep);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.3s var(--ease);
}
.input:focus { border-color: var(--orange); }
.input::placeholder { color: rgba(var(--cream-rgb), 0.35); }
textarea.input { resize: vertical; min-height: 120px; line-height: 1.5; }

/* --- Estructura --------------------------------------------------------------------------- */

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px var(--pad);
  padding-top: max(16px, env(safe-area-inset-top));
  background: rgba(43, 23, 19, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(var(--cream-rgb), 0.08);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand img { display: block; border-radius: 2px; }
.brand-name { font-size: 22px; font-weight: 700; letter-spacing: -0.03em; }
.top-right { display: flex; align-items: center; gap: 18px; }

.status { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; letter-spacing: 0.14em; color: var(--muted); }
.status i { width: 6px; height: 6px; border-radius: 50%; background: var(--warning); }
.status[data-state="open"] i { background: var(--success); }
.status[data-state="closed"] i { background: var(--danger-text); }
.status[data-state="connecting"] i { animation: pulse 1.2s ease-in-out infinite; }

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 40px var(--pad) 56px; flex: 1; }

.head { display: flex; align-items: baseline; gap: 20px; margin-bottom: 24px; }
.head.small { justify-content: space-between; margin: 48px 0 12px; }
h1 { margin: 0; font-size: 32px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; }

/* --- Pendiente de envío ------------------------------------------------------------------- */

.pending {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  margin-bottom: 32px;
  background: var(--brown);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  animation: fadeUp 0.4s var(--ease);
}
.pending-text { min-width: 0; }
.pending-actions { display: flex; gap: 10px; flex: none; }
.pending p { margin: 6px 0 0; overflow-wrap: anywhere; }
.pending p.hint { margin-top: 4px; }

/* --- Dispositivos ------------------------------------------------------------------------- */

.peers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1px;
  padding: 1px;
}

.peer {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 22px 22px 20px;
  background: var(--brown);
  box-shadow: 0 0 0 1px var(--line-solid);
  transition: background 0.4s var(--ease), opacity 0.4s var(--ease), box-shadow 0.3s var(--ease);
  animation: fadeUp 0.5s var(--ease);
}
.peer.is-gone { opacity: 0.5; }
.peer.drop-target { background: var(--brown-light); box-shadow: 0 0 0 1px var(--line-solid), inset 0 0 0 1px var(--orange); }
body[data-ws="closed"] .peers, body[data-ws="connecting"] .peers { opacity: 0.55; }

.peer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 18px; min-height: 24px; }
.peer-icon { color: rgba(var(--cream-rgb), 0.85); display: block; }
.peer-icon svg { display: block; width: 26px; height: 26px; }
.peer-tags { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.tag { font-size: 10px; letter-spacing: 0.14em; padding: 3px 7px; border: 1px solid var(--line-strong); border-radius: 2px; color: rgba(var(--cream-rgb), 0.7); }
.tag-ok { border-color: var(--success); color: var(--success); }

.peer-name { margin: 0; font-size: 20px; font-weight: 500; letter-spacing: -0.01em; overflow-wrap: anywhere; }
.peer-sub { margin: 4px 0 0; min-height: 16px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(var(--cream-rgb), 0.5); }

.peer-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.has-pending .peer-actions [data-act="files"], .has-pending .peer-actions [data-act="text"] { display: none; }
.has-pending .btn-accent { display: inline-flex; flex: 1; }

.peer-progress { margin-top: 16px; }
.bar { position: relative; height: 2px; background: var(--line); overflow: hidden; }
.bar i { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--orange); transition: width 0.2s linear; }
.bar.indeterminate i { width: 30%; animation: slide 1.1s var(--ease) infinite; }
.progress-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 8px; min-height: 26px; }
.progress-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: rgba(var(--cream-rgb), 0.8); }

/* --- Vacío -------------------------------------------------------------------------------- */

.empty { max-width: 460px; padding: 28px 0 8px; animation: fadeUp 0.5s var(--ease); }
.diamond { color: var(--orange); font-size: 14px; }
.empty h2 { margin: 12px 0 8px; font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.empty p { margin: 0 0 22px; font-weight: 300; line-height: 1.6; color: var(--muted); text-wrap: pretty; }
.empty b { color: var(--cream); }

/* --- Historial ---------------------------------------------------------------------------- */

.history ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.history-item {
  width: 100%;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 8px;
  text-align: left;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.3s var(--ease);
}
.h-ico { color: var(--muted); display: grid; }
.h-ico svg { width: 18px; height: 18px; }
.h-what { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.h-meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: rgba(var(--cream-rgb), 0.45); white-space: nowrap; }

/* --- Pie ---------------------------------------------------------------------------------- */

.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px var(--pad);
  padding-bottom: max(20px, env(safe-area-inset-bottom));
  border-top: 1px solid rgba(var(--cream-rgb), 0.08);
}
.foot p { margin: 0; max-width: 460px; font-size: 13px; font-weight: 300; color: rgba(var(--cream-rgb), 0.5); text-align: right; text-wrap: pretty; }
.me { display: flex; align-items: baseline; gap: 12px; background: none; border: 0; padding: 4px 0; cursor: pointer; text-align: left; }
.mono-label { font-size: 11px; letter-spacing: 0.14em; color: rgba(var(--cream-rgb), 0.45); }
.me-name { font-weight: 500; }
.me .edit { transition: color 0.3s var(--ease); }

/* --- Modales ------------------------------------------------------------------------------ */

.dlg {
  width: min(480px, calc(100vw - 32px));
  max-height: min(86vh, 760px);
  padding: 0;
  color: var(--cream);
  background: var(--brown);
  border: 1px solid rgba(var(--cream-rgb), 0.14);
  border-radius: 2px;
  overflow: auto;
}
.dlg[open] { animation: fadeUp 0.35s var(--ease); }
.dlg::backdrop { background: rgba(20, 10, 8, 0.72); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.dlg-inner { padding: 22px 24px 24px; }
.dlg-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.dlg-head h2 { margin: 6px 0 0; font-size: 22px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; overflow-wrap: anywhere; }
.dlg-x { margin: -6px -8px 0 0; }
.dlg-body { margin: 18px 0 0; }
.dlg-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; margin-top: 22px; }

.text-body {
  max-height: 46vh;
  overflow: auto;
  padding: 14px 16px;
  background: var(--brown-deep);
  border: 1px solid var(--line);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.55;
  user-select: text;
  -webkit-user-select: text;
}

.file-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.file-list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.file-list.compact li { grid-template-columns: 22px minmax(0, 1fr) auto; }
.file-list li.more { display: block; padding: 10px 0; color: var(--muted); font-size: 13px; }
.thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 2px; display: block; background: var(--brown-deep); }
.file-list .file-ico { display: grid; place-items: center; color: var(--muted); }
.file-list:not(.compact) .file-ico { width: 44px; height: 44px; border: 1px solid var(--line); }
.file-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-size { font-family: var(--font-mono); font-size: 12px; color: var(--muted); white-space: nowrap; }

.pair-show { display: flex; flex-direction: column; align-items: center; padding: 18px 0 22px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pair-show .label { align-self: stretch; }
.pair-qr { width: 196px; height: 196px; background: var(--cream); border-radius: 2px; }
.pair-qr svg { display: block; width: 100%; height: 100%; }
.pair-code { margin-top: 16px; font-family: var(--font-mono); font-size: 34px; font-weight: 500; letter-spacing: 0.16em; }
.pair-ttl { margin-top: 4px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--muted); }
.pair-join { padding-top: 20px; }
.pair-join .row { display: flex; gap: 10px; }
.pair-input { font-family: var(--font-mono); letter-spacing: 0.2em; }
.pair-list { margin-top: 22px; }
.pair-list ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.pair-list li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--line); }

/* --- Arrastrar y soltar, avisos ------------------------------------------------------------ */

.drop-hint {
  position: fixed;
  inset: auto 0 24px;
  display: flex;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.drop-hint span { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; padding: 10px 16px; background: var(--brown); border: 1px solid var(--orange); }
.dragging .drop-hint { opacity: 1; transform: none; }

.toasts {
  position: fixed;
  left: 50%;
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: min(460px, calc(100vw - 32px));
  transform: translateX(-50%);
  pointer-events: none;
}
.toast {
  max-width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.45;
  background: var(--brown);
  border: 1px solid rgba(var(--cream-rgb), 0.16);
  border-radius: 2px;
  animation: fadeUp 0.35s var(--ease);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  overflow-wrap: anywhere;
}
.toast.error { border-left: 2px solid var(--danger-text); }
.toast.out { opacity: 0; transform: translateY(8px); }

.offscreen { position: fixed; left: -9999px; top: 0; opacity: 0; }

/* --- Hover (solo con mouse: en pantallas táctiles el :hover queda pegado después de tocar) ---- */

@media (hover: hover) {
  .btn-primary:hover { background: var(--cream); }
  .btn-outline:hover { border-color: var(--orange); color: var(--orange); background: rgba(var(--orange-rgb), 0.12); }
  .btn-accent:hover { background: var(--orange); color: var(--brown); }
  .link-btn:hover { color: var(--orange); }
  .link-btn.danger:hover { color: var(--danger-text); }
  .icon-btn:hover { color: var(--orange); border-color: var(--line-strong); }
  .peer:hover { background: var(--brown-light); }
  .history-item:hover { background: rgba(var(--cream-rgb), 0.04); }
  .me:hover .edit { color: var(--orange); }
}
.btn-primary:active { background: var(--cream); }
.btn-outline:active, .btn-accent:active { border-color: var(--orange); color: var(--orange); }

/* --- Movimiento --------------------------------------------------------------------------- */

@keyframes fadeUp { from { transform: translateY(16px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes pulse { 50% { opacity: 0.3; } }
@keyframes slide { from { transform: translateX(-100%); } to { transform: translateX(340%); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* --- Celu --------------------------------------------------------------------------------- */

@media (max-width: 760px) {
  :root { --pad: 16px; }
  .top { padding-top: max(12px, env(safe-area-inset-top)); padding-bottom: 12px; }
  .status span { display: none; }
  .wrap { padding-top: 28px; }
  h1 { font-size: 28px; }
  .peers { grid-template-columns: 1fr; }
  .peer-actions .btn-outline { flex: 1; padding: 12px 14px; }
  .pending { flex-direction: column; align-items: stretch; }
  .pending-actions > * { flex: 1; }
  .foot { flex-direction: column; align-items: flex-start; gap: 10px; }
  .foot p { text-align: left; }
  .dlg-actions > * { flex: 1; }
  .h-meta { display: none; }
}