/* ============================================================
   letters.css — the reader's letters (envelope + panel).
   Palette comes from tokens.css; nothing is redeclared here.
   ============================================================ */

/* --- Envelope button in the reader header ------------------- */

.letter-toggle-btn {
  all: unset;
  position: relative;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-muted);
  /* 44x44 touch target without moving the header layout */
  padding: 13px;
  margin: -13px -9px;
}

.letter-toggle-btn[hidden] { display: none; }
.letter-toggle-btn:hover { color: var(--gold); }

.letter-toggle-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: inherit;
}

/* Unread dot, reusing the gold pulse used elsewhere in the reader */
.letter-dot {
  position: absolute;
  top: 8px;
  right: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  animation: letter-dot-pulse 1.8s ease-in-out infinite;
}

.letter-dot[hidden] { display: none; }

@keyframes letter-dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.85); }
}

@media (prefers-reduced-motion: reduce) {
  .letter-dot { animation: none; }
}

/* --- Home-screen banner (/account) --------------------------
   Deliberately warm, not an alert. Gold tint and envelope motif,
   no red, no urgency, no badge. A letter should feel like a nice
   moment on opening the app. Only rendered while unread.        */

.letter-home-banner {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  margin: 0 0 20px;
  padding: 16px 18px;
  background: linear-gradient(
    to right,
    rgba(201, 160, 85, 0.10),
    rgba(201, 160, 85, 0.04)
  );
  border: 0.5px solid rgba(201, 160, 85, 0.38);
  border-radius: 10px;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.letter-home-banner[hidden] { display: none; }

.letter-home-banner:hover {
  background: linear-gradient(
    to right,
    rgba(201, 160, 85, 0.15),
    rgba(201, 160, 85, 0.06)
  );
  border-color: rgba(201, 160, 85, 0.55);
}

.letter-home-banner:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: inherit;
}

.letter-home-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
}

.letter-home-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  flex: 1;
}

.letter-home-title {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.35;
}

.letter-home-sub {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--fg-label);
  line-height: 1.45;
}

.letter-home-cta {
  flex-shrink: 0;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--gold);
  border: 0.5px solid rgba(201, 160, 85, 0.45);
  border-radius: 999px;
  padding: 7px 15px;
  white-space: nowrap;
}

@media (max-width: 460px) {
  .letter-home-banner { align-items: flex-start; gap: 12px; padding: 14px; }
  .letter-home-cta { align-self: flex-start; margin-top: 2px; }
}

/* --- Slide-in panel (mirrors .feedback-panel geometry) ------ */

.letter-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 380px;
  max-width: 100vw;
  background: var(--bg);
  border-left: 0.5px solid var(--container-border);
  z-index: 910;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.22s ease;
  overflow: hidden;
}

.letter-panel.is-open { transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  .letter-panel { transition: none; }
}

.letter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 0.5px solid var(--container-border);
  flex-shrink: 0;
}

.letter-head-titles { min-width: 0; }

.letter-title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.letter-subtitle {
  margin: 4px 0 0;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--fg-label);
}

.letter-close-btn {
  all: unset;
  cursor: pointer;
  color: var(--fg-muted);
  padding: 12px;
  margin: -12px;
  line-height: 1;
}

.letter-close-btn:hover { color: var(--fg); }

.letter-close-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: inherit;
}

.letter-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px 28px;
  -webkit-overflow-scrolling: touch;
}

.letter-loading,
.letter-empty {
  color: var(--fg-label);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0;
}

/* --- Letter card (What's New card styling) ------------------ */

.letter-card {
  background: rgba(201, 160, 85, 0.05);
  border: 0.5px solid var(--container-border);
  border-radius: 8px;
  padding: 16px 16px 18px;
  margin-bottom: 14px;
}

.letter-card-unread { border-color: rgba(201, 160, 85, 0.35); }

.letter-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.letter-card-date {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-label);
}

.letter-card-new {
  font-family: var(--font-ui);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  border: 0.5px solid rgba(201, 160, 85, 0.4);
  border-radius: 999px;
  padding: 2px 8px;
}

/* The reader's own words, quoted for context */
.letter-card-re {
  margin: 0 0 12px;
  padding-left: 10px;
  border-left: 2px solid rgba(201, 160, 85, 0.3);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--fg-label);
  font-style: italic;
}

.letter-card-reply {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.68;
  color: var(--fg);
  white-space: pre-wrap;
}

.letter-foot {
  margin: 18px 0 0;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--fg-label);
  text-align: center;
}

@media (max-width: 420px) {
  .letter-panel { width: 100vw; }
}