/* tattoo-feed — minimal dark ink aesthetic
   Shared by /setup, /login, /devices, /preview pages. */

:root {
  --bg: #0a0a0a;
  --bg-elevated: #161616;
  --fg: #f5f5f5;
  --fg-muted: #8a8a8a;
  --fg-faint: #404040;
  --border: #262626;
  --err: #ff5a5a;
  --ok: #4ade80;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  padding: 2rem 1.5rem;
  max-width: 480px;
  margin: 0 auto;
}

h1 {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  margin: 2rem 0 0.75rem;
}

p {
  color: var(--fg-muted);
  margin: 0 0 1.5rem;
  font-size: 0.9375rem;
}

button {
  font: inherit;
  font-size: 1rem;
  font-weight: 500;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--fg);
  padding: 0.9rem 1.2rem;
  width: 100%;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
  -webkit-tap-highlight-color: transparent;
  border-radius: 0;
}

button:hover { background: var(--fg); color: var(--bg); }
button:active { transform: translateY(0.5px); }

button.secondary {
  border-color: var(--border);
  color: var(--fg-muted);
  font-size: 0.875rem;
  font-weight: 400;
}
button.secondary:hover {
  border-color: var(--fg-muted);
  color: var(--fg);
  background: transparent;
}

button.danger {
  border-color: var(--border);
  color: var(--err);
  font-size: 0.8125rem;
  font-weight: 400;
  width: auto;
  padding: 0.4rem 0.8rem;
}
button.danger:hover {
  background: var(--err);
  color: var(--bg);
  border-color: var(--err);
}

a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: var(--border);
}
a:hover { text-decoration-color: var(--fg); }

code, pre {
  font-family: ui-monospace, SFMono-Regular, monospace;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.1em 0.35em;
  font-size: 0.875em;
  word-break: break-all;
}

.err { color: var(--err); margin-top: 1rem; font-size: 0.875rem; }
.ok { color: var(--ok); margin-top: 1rem; font-size: 0.875rem; }
.muted { color: var(--fg-muted); }

ul { list-style: none; padding: 0; margin: 0; }
li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
}
li:last-child { border-bottom: none; }
li > div:first-child { flex: 1; min-width: 0; }
li small {
  display: block;
  color: var(--fg-muted);
  font-size: 0.75rem;
  margin-top: 0.2em;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.url-display {
  word-break: break-all;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.875rem;
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 0.8125rem;
  margin-top: 0.75rem;
  line-height: 1.5;
  color: var(--fg);
}

.qr-wrap {
  background: #fff;
  padding: 0.75rem;
  display: inline-block;
  margin-top: 0.5rem;
  line-height: 0;
}
.qr-wrap canvas { display: block; }

details > summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.8125rem;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: '▸ '; }
details[open] > summary::before { content: '▾ '; }

/* preview page */
.carousel {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 4px;
  margin: 0 -1.5rem 1rem;
  padding: 0 1.5rem;
  scrollbar-width: none;
}
.carousel::-webkit-scrollbar { display: none; }
.carousel img {
  flex: 0 0 auto;
  width: calc(100vw - 3rem);
  max-width: 432px;
  aspect-ratio: 4/5;
  object-fit: contain;
  background: #000;
  scroll-snap-align: center;
  border: 1px solid var(--border);
}

.caption {
  white-space: pre-wrap;
  line-height: 1.5;
  color: var(--fg);
}
.hashtags {
  color: var(--fg-muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}
.grid > * {
  aspect-ratio: 1;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-faint);
  font-size: 0.75rem;
  position: relative;
}
.grid img { width: 100%; height: 100%; object-fit: cover; display: block; }
.grid .new {
  background: var(--bg);
  outline: 2px solid var(--fg);
  outline-offset: -2px;
  z-index: 1;
}
.grid .new::after {
  content: 'NUEVO';
  position: absolute;
  top: 4px;
  left: 4px;
  background: var(--fg);
  color: var(--bg);
  padding: 2px 6px;
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  font-weight: 700;
}

/* === /feed view === */

.feed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.account-tabs {
  display: flex;
  gap: 0.25rem;
}

.account-tabs .tab {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  color: inherit;
  font-size: 0.9rem;
  opacity: 0.7;
}

.account-tabs .tab.active {
  opacity: 1;
  background: var(--bg-elevated);
}

.link-devices {
  font-size: 0.85rem;
  text-decoration: none;
}

.cards {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-elevated);
}

.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.card .thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  background: #000;
}

.card-body {
  padding: 0.75rem 0.9rem 0.9rem;
}

.card .caption {
  margin: 0 0 0.5rem 0;
  font-size: 0.92rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--fg-muted);
}

.card .badge {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
}

.orphaned-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.orphaned-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
}

.connect-btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--fg);
  text-decoration: none;
  font-size: 0.9rem;
}

.connect-btn:hover {
  background: var(--border);
}

.token-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.6rem 0.8rem;
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 0.82rem;
  word-break: break-all;
  white-space: pre-wrap;
  overflow-x: auto;
}