/* ============================================================
 * IG Chat App · shell styles
 * Consumes semantic tokens defined in brand.css (per tenant).
 * No brand-specific values here — only semantic vars.
 * ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--color-bg, #f8fafc);
  color: var(--color-text, #0f172a);
  font-family: var(--font-body, system-ui, sans-serif);
  font-weight: var(--fw-regular, 400);
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Layout ---------- */

.container {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.app-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: var(--header-blur);
  -webkit-backdrop-filter: var(--header-blur);
  position: sticky;
  top: 0;
  z-index: 10;
}
.app-header .row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.875rem 0;
}
.brand-wrap {
  display: flex; align-items: center; gap: 0.625rem;
  min-width: 0;
}
.brand-logo {
  display: block;
  flex: 0 0 auto;
}
.brand-logo.size-icon  { height: 1.75rem; width: auto; }
.brand-logo.size-mark  { height: 2.25rem; width: auto; }
.brand-logo.size-large { height: 2.75rem; width: auto; }

.brand-mark {
  font-family: var(--font-display);
  font-weight: var(--fw-heavy);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  background: var(--display-gradient, transparent);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: var(--display-gradient, var(--color-text));
}
/* When the gradient is "none" (IG), fall back to solid color. */
.brand-mark:where([data-gradient="off"]) {
  background: none;
  -webkit-text-fill-color: var(--color-text);
  color: var(--color-text);
}
.tagline {
  display: block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.header-action {
  appearance: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: 0.8125rem;
  padding: 0.375rem 0.75rem;
  cursor: pointer;
}
.header-action:hover { color: var(--color-text); border-color: var(--color-border-hover); }

.header-right {
  display: flex; align-items: center; gap: 0.75rem;
  min-width: 0;
}
.identity {
  display: flex; flex-direction: column; align-items: flex-end;
  line-height: 1.2; min-width: 0;
}
.identity-name {
  font-weight: var(--fw-semibold);
  font-size: 0.875rem;
  color: var(--color-text);
  max-width: 12rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.identity-meta {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  display: flex; align-items: center; gap: 0.375rem;
  margin-top: 2px;
}
.identity-meta .chip {
  background: var(--color-info-bg);
  color: var(--color-info-fg);
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  font-weight: var(--fw-semibold);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.identity-meta .id-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (max-width: 480px) {
  .identity-name { max-width: 7rem; }
  .identity-meta .chip { display: none; }
}

main.app-main { padding: 1.5rem 0 5rem; }

/* ---------- Cards & surfaces ---------- */

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.card h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: var(--fw-heavy);
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}
.card p.lead { color: var(--color-text-muted); font-size: 0.9375rem; margin: 0 0 1rem; }

.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; }
.list-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.125rem;
  cursor: pointer;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.list-item:hover {
  background: var(--color-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.list-item .row {
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
}
.list-item .title {
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}
.list-item .meta {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; color: var(--color-text-muted);
  margin-top: 0.25rem;
}
.list-item .meta .sep::before { content: '·'; padding: 0 2px; }

/* ---------- Buttons ---------- */

button, .btn {
  appearance: none;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  padding: 0.625rem 1rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}
button:active, .btn:active { transform: translateY(1px); }
button:disabled, .btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  box-shadow: var(--btn-primary-shadow);
  font-weight: var(--fw-bold);
}
.btn-primary:hover { filter: brightness(1.04); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-border-hover); background: var(--color-surface); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 0;
  padding: 0.375rem 0.5rem;
}
.btn-ghost:hover { color: var(--color-text); }

.btn-block { width: 100%; display: block; }

/* Segmented urgency selector */
.segment { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.segment button {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  text-transform: capitalize;
  font-weight: var(--fw-medium);
}
.segment button[aria-pressed="true"] {
  background: var(--color-primary);
  color: var(--color-primary-fg);
  border-color: var(--color-primary);
}

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

label.field { display: block; margin-bottom: 0.875rem; }
label.field > .label {
  display: block;
  font-size: 0.8125rem;
  font-weight: var(--fw-semibold);
  margin-bottom: 0.375rem;
  color: var(--color-text);
}
.input, textarea.input, input[type="email"].input, input[type="text"].input, input[type="file"].input {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.9375rem;
  padding: 0.625rem 0.75rem;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.input:focus, textarea.input:focus, input[type="email"].input:focus, input[type="text"].input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 25%, transparent);
}
input[type="file"].input { padding: 0.5rem; font-size: 0.8125rem; }
.help { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 0.25rem; }

/* ---------- Status badge ---------- */

.badge {
  display: inline-block;
  padding: 0.125rem 0.625rem;
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.badge.tone-info    { background: var(--color-info-bg);    color: var(--color-info-fg); }
.badge.tone-success { background: var(--color-success-bg); color: var(--color-success-fg); }
.badge.tone-warn    { background: var(--color-warn-bg);    color: var(--color-warn-fg); }
.badge.tone-danger  { background: var(--color-danger-bg);  color: var(--color-danger-fg); }
.badge.tone-muted   { background: var(--color-surface);    color: var(--color-text-muted); }

/* Urgency tag (inline, no background) */
.urgency {
  font-weight: var(--fw-semibold);
  font-variant: small-caps;
  letter-spacing: 0.02em;
}
.urgency.urg-baja    { color: var(--color-text-muted); }
.urgency.urg-normal  { color: var(--color-info-fg); }
.urgency.urg-alta    { color: var(--color-warn-fg); }
.urgency.urg-urgente { color: var(--color-danger-fg); font-weight: var(--fw-heavy); }

/* ---------- Pill / hero pill ---------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-info-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.875rem;
  font-size: 0.6875rem;
  font-weight: var(--fw-bold);
  color: var(--color-info-fg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pill::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(0.7); }
}

/* ---------- FAB ---------- */

.fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 9999px;
  display: flex; align-items: center; justify-content: center;
  background: var(--fab-bg);
  color: #ffffff;
  font-size: 1.75rem;
  font-weight: var(--fw-bold);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  border: 0;
  z-index: 20;
}
.fab:active { transform: scale(0.96); }

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.625rem 1rem;
  border-radius: var(--radius-md);
  background: var(--color-text);
  color: var(--color-bg);
  font-size: 0.8125rem;
  font-weight: var(--fw-medium);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
  z-index: 30;
  box-shadow: var(--shadow-md);
}
.toast.visible { opacity: 1; }

/* ---------- Gallery ---------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-top: 1rem;
}
.gallery img {
  width: 100%;
  height: 8rem;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

/* ---------- Utility ---------- */

.muted { color: var(--color-text-muted); }
.h-stack { display: flex; align-items: center; gap: 0.5rem; }
.v-stack > * + * { margin-top: 0.875rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.text-sm { font-size: 0.8125rem; }
.text-xs { font-size: 0.75rem; }
.text-center { text-align: center; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.flex-1 { flex: 1; }
.whitespace-pre-wrap { white-space: pre-wrap; }
.hidden { display: none !important; }

.notice-error {
  background: var(--color-danger-bg);
  color: var(--color-danger-fg);
  border: 1px solid color-mix(in srgb, var(--color-danger-fg) 30%, transparent);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
}
.notice-success {
  background: var(--color-success-bg);
  color: var(--color-success-fg);
  border-radius: var(--radius-md);
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  margin-top: 1rem;
}