/* Emily — chat styles. Owned by W5.
 *
 * Chat-only layout. Every colour, radius, shadow and space comes from the
 * tokens in base.css; nothing here invents a palette. Mobile first. */

/* --------------------------------------------------------------- frame */

/* The chat fills the outlet: the message list scrolls, the composer stays put. */
.outlet > .chat-view {
  flex: 1 1 auto;
  min-height: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-4) var(--space-3) var(--space-2);
}

.chat-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-height: 100%;
  justify-content: flex-end;
}

.chat-skeleton { padding: var(--space-2) 0; }
.chat-empty, .chat-error { padding: var(--space-4) 0; }
.chat-blank { padding: var(--space-4); }
.chat-view-empty { justify-content: center; }

/* ------------------------------------------------------------- messages */

.chat-day {
  display: flex;
  justify-content: center;
  margin: var(--space-2) 0 var(--space-1);
}
.chat-day-label {
  font-size: 0.72rem;
  font-weight: 650;
  color: var(--text-faint);
  background: var(--surface-2);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.chat-msg {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  max-width: 100%;
  /* Positioned so the visually hidden sender name is clipped by the scroller
     instead of extending the page. */
  position: relative;
}
.chat-msg-user { justify-content: flex-end; }
.chat-msg-ai { justify-content: flex-start; }

.chat-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  max-width: 84%;
}
.chat-msg-user .chat-col { align-items: flex-end; }

.bubble {
  padding: 10px 14px;
  border-radius: var(--radius);
  max-width: 100%;
  font-size: 0.95rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.bubble-user {
  background: var(--accent-soft);
  color: var(--text);
  border: 1px solid transparent;
  border-bottom-right-radius: var(--radius-sm);
}
.bubble-ai {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-bottom-left-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.chat-text { white-space: pre-wrap; }

.chat-meta {
  font-size: 0.72rem;
  color: var(--text-faint);
  padding: 0 4px;
}
.chat-meta-user { text-align: right; }

.chat-mark {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  line-height: 1;
}

.chat-photo-btn {
  display: block;
  max-width: 100%;
  margin: 0 0 var(--space-2);
  padding: 0;
  border: 0;
  background: none;
  border-radius: var(--radius-sm);
  cursor: zoom-in;
}
.chat-photo {
  display: block;
  width: 100%;
  max-width: 240px;
  height: auto;
  border-radius: var(--radius-sm);
}

.chat-notice {
  align-self: center;
  text-align: center;
  max-width: 100%;
  padding: var(--space-1) var(--space-3);
  color: var(--text-faint);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.chat-note {
  margin-top: 6px;
  color: var(--text-dim);
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

/* ---------------------------------------------------------- typing dots */

.chat-typing-bubble {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 13px 15px;
}
.typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-faint);
  animation: emily-typing 1.2s infinite ease-in-out;
}
.typing-dot:nth-child(2) { animation-delay: 0.18s; }
.typing-dot:nth-child(3) { animation-delay: 0.36s; }
@keyframes emily-typing {
  0%, 60%, 100% { opacity: 0.28; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}
@media (prefers-reduced-motion: reduce) {
  .typing-dot { animation: none; opacity: 0.65; transform: none; }
}

/* ----------------------------------------------------------- expense card */

.chat-list > .expense-card,
.chat-list > .answer-card {
  align-self: flex-start;
  max-width: min(100%, 26rem);
}
.chat-list > .chat-msg-ai .chat-col { max-width: min(100%, 26rem); }

.expense-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  max-width: 100%;
  overflow-wrap: anywhere;
}

.expense-head { gap: var(--space-2); }
.expense-kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.expense-amount {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.expense-amount-missing {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--warn);
}

.expense-tags { gap: var(--space-2); }

.expense-rows {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.expense-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  min-width: 0;
  font-size: 0.88rem;
}
.expense-row-label {
  flex: 0 0 4.2rem;
  color: var(--text-faint);
  font-size: 0.78rem;
  font-weight: 650;
}
.chat-payer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.expense-card-done { border-color: var(--border-strong); }

.expense-actions {
  gap: var(--space-2);
  margin-top: var(--space-1);
}
.expense-actions .btn {
  flex: 1 1 auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.expense-prompt {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--warn-soft);
  border-radius: var(--radius-sm);
}
.expense-prompt .chat-note { margin: 0; color: var(--warn); }
.expense-prompt .money-field .input,
.expense-prompt .money-field .select { background: var(--surface); }

.chip-prompt {
  background: var(--warn-soft);
  color: var(--warn);
  border-color: transparent;
}

/* ------------------------------------------------------------ answer card */

.answer-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  max-width: 100%;
}
.answer-text {
  font-size: 0.95rem;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.answer-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px var(--space-3);
  font-size: 0.88rem;
}
.answer-fact-label {
  color: var(--text-dim);
  min-width: 0;
  overflow-wrap: anywhere;
}
.answer-fact-value {
  font-weight: 650;
  text-align: right;
  overflow-wrap: anywhere;
}
.answer-period {
  font-size: 0.76rem;
  color: var(--text-faint);
}

/* ------------------------------------------------------------------ dock */

.chat-dock {
  position: relative;
  flex: 0 0 auto;
  padding: var(--space-2) var(--space-3);
  padding-bottom: calc(var(--space-2) + var(--chat-keyboard, 0px));
  background: var(--bg);
  border-top: 1px solid var(--border);
}
/* The tab bar below the composer already consumes env(safe-area-inset-bottom);
   add it here only when the chat is shown without that bar. */
body:not(:has(.tabbar)) .chat-dock {
  padding-bottom: calc(var(--space-2) + var(--chat-keyboard, 0px) + env(safe-area-inset-bottom));
}

.chat-pending:empty { display: none; }
.chat-pending-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: var(--space-2);
}
.chat-pending-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.chat-pending-inner .expense-card {
  max-height: 44vh;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.chat-attach-host:empty,
.chat-progress-host:empty { display: none; }

.chat-attach {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  padding: var(--space-2);
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  min-width: 0;
}
.chat-attach-img {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.chat-attach-text {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-width: 0;
}
.chat-attach-text .faint {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-progress {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: var(--space-2);
}

/* -------------------------------------------------------------- composer */

.composer {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.composer-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  min-width: 0;
}

.composer-input {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 44px;
  max-height: 132px;
  padding: 10px 14px;
  font-size: 16px; /* 16px keeps iOS from zooming the page on focus */
  line-height: 1.4;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  resize: none;
  overflow-y: hidden;
  -webkit-appearance: none;
  appearance: none;
}
.composer-input::placeholder { color: var(--text-faint); }
.composer-input:focus {
  border-color: var(--accent);
  outline: 2px solid var(--accent-soft);
  outline-offset: 0;
}

.composer-photo, .composer-send { flex: 0 0 auto; }
.composer-send { font-size: 1.2rem; font-weight: 700; }

/* --------------------------------------------------------- new messages */

.chat-unseen {
  position: absolute;
  left: 50%;
  bottom: calc(100% + var(--space-2));
  transform: translateX(-50%);
  z-index: 5;
  min-height: 36px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--accent-text);
  font-size: 0.82rem;
  font-weight: 650;
  box-shadow: var(--shadow);
  cursor: pointer;
  white-space: nowrap;
}
.chat-unseen[hidden] { display: none; }

/* ------------------------------------------------------------- lightbox */

.chat-lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: var(--bg);
  animation: emily-fade 0.15s ease;
}
.chat-lightbox-img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 86dvh;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}
.chat-lightbox-close {
  position: absolute;
  top: calc(var(--space-3) + env(safe-area-inset-top));
  right: var(--space-3);
  background: var(--surface-2);
  color: var(--text);
}

/* ------------------------------------------------------------ narrow view */

@media (max-width: 360px) {
  .chat-scroll { padding-left: var(--space-2); padding-right: var(--space-2); }
  .chat-dock { padding-left: var(--space-2); padding-right: var(--space-2); }
  .chat-col { max-width: 88%; }
  .expense-card { padding: var(--space-3); }
  .expense-row-label { flex-basis: 3.6rem; }
  .answer-facts { font-size: 0.84rem; }
}