/* ============================================================
   Cyno.gg Messages — Luxury Glass Chat
   Styles target the exact markup produced by initMessages() in
   app.js. List items: .message-item > .message-title-wrap +
   .message-preview (+ .pill). Header: .eyebrow + h2 + .thread-meta.
   Chat rows: .message-row[.is-mine] > .message-row-avatar +
   .message-bubble(.message-author/.message-text/.message-time).
   ============================================================ */

:root {
  --msg-primary: var(--accent, #7bdcff);
  --msg-secondary: var(--accent-2, #8de6d6);
  --msg-bg: var(--bg-0, #06080f);
  --msg-glass: color-mix(in srgb, var(--glass-bg, rgba(16, 24, 40, 0.42)) 60%, transparent);
  --msg-border: var(--glass-border, rgba(160, 190, 230, 0.22));
  --msg-text: var(--text, #eef3ff);
  --msg-muted: var(--text-muted, #a8b9d4);
  --msg-online: var(--status-success, #6ee3b2);
  --msg-rail: rgba(7, 12, 22, 0.42);
  --msg-transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                    background-color 0.25s ease,
                    border-color 0.25s ease,
                    box-shadow 0.25s ease;
}

/* ── Page shell ─────────────────────────────────────────────── */
.messages-shell {
  min-height: 100vh;
  padding-top: 96px;
  padding-bottom: 60px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ── Hero ───────────────────────────────────────────────────── */
.messages-hero {
  padding: 26px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.messages-hero h1 {
  font-size: 1.85rem;
  font-weight: 700;
  margin: 4px 0 6px;
}

.messages-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ── Two-pane chat surface ──────────────────────────────────────
   The list and thread live inside two .glass-panel children of
   .messages-grid. We collapse the gap and round only the outer
   corners so the pair reads as a single luxury chat surface. */
.messages-grid {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: 0;
  height: min(72vh, 760px);
  min-height: 520px;
  border-radius: var(--radius-lg, 24px);
  overflow: hidden;
  border: 1px solid var(--msg-border);
  box-shadow: var(--glass-shadow, 0 18px 50px rgba(3, 8, 18, 0.5));
}

/* Neutralise the individual panel chrome — the grid owns the frame now. */
.messages-grid .messages-list-panel,
.messages-grid .messages-thread-panel {
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  min-width: 0;
  height: 100%;
}

.messages-grid .messages-list-panel { border-right: 1px solid var(--msg-border); }

.messages-grid .messages-list-panel .panel-body,
.messages-grid .messages-thread-panel .panel-body {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 16px;
  gap: 12px;
}

/* ── List column ────────────────────────────────────────────── */
.messages-list-panel { background: var(--msg-rail); }

.messages-list-top {
  display: flex;
  gap: 8px;
  align-items: center;
}
.messages-list-top .thread-search { flex: 1 1 auto; margin: 0; }
.messages-list-top [data-message-new] { flex: 0 0 auto; white-space: nowrap; }

.thread-search {
  width: 100%;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--msg-border);
  background: color-mix(in srgb, var(--msg-glass) 80%, transparent);
  color: var(--msg-text);
  font: inherit;
  font-size: 0.9rem;
  transition: var(--msg-transition);
}
.thread-search::placeholder { color: var(--msg-muted); }
.thread-search:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--msg-primary) 60%, var(--msg-border));
  box-shadow: 0 0 0 3px rgba(123, 220, 255, 0.16);
}

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.catalog-filters .btn-chip { padding: 6px 12px; font-size: 0.8rem; }

.messages-sort {
  width: 100%;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid var(--msg-border);
  background: color-mix(in srgb, var(--msg-glass) 80%, transparent);
  color: var(--msg-text);
  font: inherit;
  font-size: 0.85rem;
}

/* Scrollable conversation list fills the rest of the column. */
.message-list {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  padding: 2px;
  margin: 0 -2px;
}

/* ── Conversation item (button) ─────────────────────────────── */
.message-item {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  position: relative;
  background: transparent;
  transition: var(--msg-transition);
  font: inherit;
  color: inherit;
}
/* Lettered gradient avatar (real element rendered by renderList). */
.message-item-avatar {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: #04111c;
  background: linear-gradient(135deg, var(--msg-primary), var(--msg-secondary));
  border: 1px solid color-mix(in srgb, var(--msg-primary) 45%, transparent);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4), 0 2px 8px rgba(3, 8, 18, 0.35);
}
.message-item.is-active .message-item-avatar {
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.45), 0 0 14px color-mix(in srgb, var(--msg-primary) 45%, transparent);
}
.message-item:hover { background: rgba(123, 220, 255, 0.06); }
.message-item.is-active {
  background: linear-gradient(135deg, rgba(123, 220, 255, 0.12), rgba(141, 230, 214, 0.05));
  border-color: color-mix(in srgb, var(--msg-primary) 45%, var(--msg-border));
  box-shadow: inset 3px 0 0 var(--msg-primary), 0 6px 18px rgba(123, 220, 255, 0.12);
}

.message-item > div:not(.message-item-avatar) {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.message-title-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.message-title {
  font-weight: 600;
  color: var(--msg-text);
  font-size: 0.92rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.message-pin-icon,
.message-muted-icon { font-size: 11px; opacity: 0.75; flex: 0 0 auto; }

.message-preview {
  font-size: 0.82rem;
  color: var(--msg-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Unread badge (rendered as .pill by the JS). */
.message-item > .pill {
  flex: 0 0 auto;
  align-self: center;
  margin-left: auto;
  padding: 0;
  font-size: 0.68rem;
  font-weight: 700;
  border-radius: 0;
  background: none;
  color: var(--msg-primary);
  border: 0;
}

/* ── Thread column ──────────────────────────────────────────── */
.messages-thread-panel { background: transparent; }

.thread-header {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px 8px 14px;
  border-bottom: 1px solid var(--msg-border);
}
.thread-header .eyebrow { margin: 0; }
.thread-header h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--msg-text);
}
.thread-meta {
  font-size: 0.85rem;
  color: var(--msg-muted);
}

.thread-toolbar {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}
.thread-toolbar .pill {
  padding: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 0;
  border: none;
  background: none;
  color: color-mix(in srgb, var(--msg-primary) 85%, var(--msg-text));
}

/* Scrollable message stream. */
.thread-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 6px;
}

/* ── Chat rows ──────────────────────────────────────────────── */
.message-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  max-width: 78%;
}
.message-row.is-mine {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-row-avatar {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: #04111c;
  background: linear-gradient(135deg, var(--msg-primary), var(--msg-secondary));
}
.message-row.is-mine .message-row-avatar {
  background: linear-gradient(135deg, color-mix(in srgb, var(--msg-secondary) 70%, white), var(--msg-primary));
}

.message-bubble {
  min-width: 0;
  padding: 10px 14px;
  border-radius: 16px;
  border: 1px solid var(--msg-border);
  background: color-mix(in srgb, var(--msg-glass) 90%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 14px rgba(3, 8, 18, 0.25);
}
.message-row:not(.is-mine) .message-bubble { border-bottom-left-radius: 5px; }
.message-row.is-mine .message-bubble {
  border-bottom-right-radius: 5px;
  background: linear-gradient(135deg, rgba(123, 220, 255, 0.18), rgba(141, 230, 214, 0.1));
  border-color: color-mix(in srgb, var(--msg-primary) 35%, transparent);
}

.message-author {
  font-size: 0.72rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--msg-primary) 80%, var(--msg-text));
  margin-bottom: 3px;
}
.message-row.is-mine .message-author { display: none; }
.message-text {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--msg-text);
  overflow-wrap: anywhere;
}
.message-time {
  font-size: 0.66rem;
  color: var(--msg-muted);
  margin-top: 5px;
  text-align: right;
}

/* Empty / placeholder row (rendered when a thread has no messages). */
.thread-body > .message-row:only-child:not(.is-mine) {
  max-width: 100%;
  align-self: stretch;
  justify-content: center;
}
.thread-body > .message-row:only-child .message-row-avatar { display: none; }
.thread-body > .message-row:only-child .message-bubble {
  background: transparent;
  border: 1px dashed var(--msg-border);
  box-shadow: none;
  color: var(--msg-muted);
  text-align: center;
}

/* ── Attachments + composer ─────────────────────────────────── */
.thread-attachments {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 0;
}
.thread-attachments .btn-chip { font-size: 0.8rem; }

.thread-input {
  flex: 0 0 auto;
  display: flex;
  gap: 10px;
  align-items: flex-end;
  padding-top: 12px;
  border-top: 1px solid var(--msg-border);
}
.thread-input textarea {
  flex: 1 1 auto;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--msg-border);
  background: color-mix(in srgb, var(--msg-glass) 80%, transparent);
  color: var(--msg-text);
  font: inherit;
  font-size: 0.92rem;
  resize: none;
  min-height: 46px;
  max-height: 130px;
  transition: var(--msg-transition);
}
.thread-input textarea::placeholder { color: var(--msg-muted); }
.thread-input textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--msg-primary) 60%, var(--msg-border));
  box-shadow: 0 0 0 3px rgba(123, 220, 255, 0.16);
}
.thread-input [data-message-send] {
  flex: 0 0 auto;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--msg-primary), var(--msg-secondary));
  color: #04111c;
  border: 0;
  cursor: pointer;
  transition: var(--msg-transition);
}
.thread-input [data-message-send]:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(123, 220, 255, 0.3);
}
.thread-input [data-message-send]:disabled { opacity: 0.55; cursor: progress; transform: none; }

/* ── Online pulse (decorative dots) ─────────────────────────── */
@keyframes onlinePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(110, 227, 178, 0.45); }
  50% { box-shadow: 0 0 0 6px rgba(110, 227, 178, 0); }
}
.online-indicator {
  background: var(--msg-online);
  animation: onlinePulse 2.5s ease-in-out infinite;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 860px) {
  .messages-grid {
    grid-template-columns: 1fr;
    height: auto;
  }
  .messages-grid .messages-list-panel {
    border-right: 0;
    border-bottom: 1px solid var(--msg-border);
  }
  .message-list { max-height: 280px; }
  .messages-thread-panel { min-height: 460px; }
  .message-row { max-width: 90%; }
}

@media (max-width: 768px) {
  .messages-shell { padding-top: 80px; padding-bottom: 40px; }
}