/* ============================================================================
   Evotic — Chat ecosystem (chats list + single conv) · Phase 9 v2
   ============================================================================ */

/* ─────────────────────────────────────────────────────────────────
   Shared body + header
   ───────────────────────────────────────────────────────────────── */
.chat-body,
.chat-conv-body {
  padding: 0;
  background: var(--bg);
}
.chat-conv-body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 102, 0, 0.04), transparent 40%),
    var(--bg);
}

/* App-header (shared) — defined here for chat pages
   (also defined in home.css; equivalent values keep consistency) */
.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding-top: var(--safe-top);
  box-shadow: var(--shadow-header);
}
.app-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0 var(--sp-4);
}
.app-header-title {
  flex: 1;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}
.app-header-name {
  font-size: 18px;
  font-weight: 900;
  color: var(--text);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.app-header-sub {
  font-size: 11px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Header utilities (used cross-page) */
.hdr-back {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 16px;
  flex-shrink: 0;
  transition: background var(--t-fast), transform var(--t-fast);
  -webkit-tap-highlight-color: transparent;
}
.hdr-back:hover { background: var(--skeleton); }
.hdr-back:active { background: var(--skeleton-strong); transform: scale(0.92); }

.hdr-action-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-bg);
  color: var(--primary);
  border: none;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  margin: 0;
  transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-base);
  -webkit-tap-highlight-color: transparent;
}
.hdr-action-btn:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary-sm);
}
.hdr-action-btn:active { transform: scale(0.92); }

/* ============================================================================
   /chats — list page
   ============================================================================ */
.chats-shell {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.chats-start {
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-xl);
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
}
.chats-start .section-title {
  font-size: 12px;
  font-weight: 900;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 var(--sp-3);
  display: flex;
  align-items: center;
  gap: 6px;
}
.chats-start .section-title i { color: var(--primary); }

.start-row {
  display: flex;
  gap: var(--sp-2);
  align-items: stretch;
  margin: 0 0 var(--sp-2);
}
.start-input-wrap {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}
.start-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
  pointer-events: none;
  z-index: 1;
}
.start-row input,
.start-input-wrap input {
  width: 100%;
  margin: 0;
  padding: 11px 12px 11px 34px;
  border-radius: var(--r-md);
  border: 1.5px solid var(--border-strong);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  background: var(--card-bg);
  color: var(--text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.start-input-wrap input::placeholder { color: var(--text-faint); font-weight: 500; }
.start-input-wrap input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(255, 102, 0, 0.12);
}
.start-row .btn {
  margin: 0;
  width: auto;
  padding: 11px 16px;
  font-size: 13px;
  flex-shrink: 0;
}
.start-row .btn span { display: inline; }

.chats-list-section .section-title {
  font-size: 12px;
  font-weight: 900;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 var(--sp-3);
  padding: 0 var(--sp-1);
  display: flex;
  align-items: center;
  gap: 6px;
}
.chats-list-section .section-title i { color: var(--primary); }

.conv-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.conv-item-wrap { list-style: none; }
.conv-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--card-bg);
  border-radius: var(--r-lg);
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow-card);
  transition: transform var(--t-fast), box-shadow var(--t-base), border-color var(--t-fast);
  cursor: pointer;
  border: 1px solid transparent;
  -webkit-tap-highlight-color: transparent;
}
.conv-item:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--primary-bg);
}
.conv-item:active { transform: scale(0.985); }

.conv-item-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary-grad);
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-transform: uppercase;
  box-shadow: var(--shadow-primary-sm), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  letter-spacing: 0.02em;
}
.conv-item-body {
  flex: 1;
  min-width: 0;
}
.conv-item-name {
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.01em;
}
.conv-item-preview {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
  font-weight: 600;
}
.conv-item-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  flex-shrink: 0;
}
.conv-item-time {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.conv-item-badge {
  background: var(--primary-grad);
  color: #fff;
  border-radius: var(--r-pill);
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 900;
  min-width: 20px;
  text-align: center;
  box-shadow: var(--shadow-primary-sm);
  animation: badgePop 0.3s ease-out;
}
@keyframes badgePop {
  0%   { transform: scale(0.5); opacity: 0; }
  60%  { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); }
}

/* Empty state — shared utility */
.empty-state {
  text-align: center;
  padding: var(--sp-7) var(--sp-4);
  color: var(--text-muted);
  font-weight: 600;
  background: var(--card-bg);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
}
.empty-state p { margin: 6px 0; font-size: 14px; }
.empty-state .hint { font-size: 12px; color: var(--text-faint); }
.empty-icon {
  font-size: 36px;
  color: var(--text-faint);
  display: block;
  margin: 0 auto var(--sp-3);
  opacity: 0.7;
}

/* ============================================================================
   /chat — single conversation
   ============================================================================ */
.conv-header { background: var(--card-bg); }

.conv-peer {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.conv-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-grad);
  color: #fff;
  font-weight: 900;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-transform: uppercase;
  box-shadow: var(--shadow-primary-sm), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.conv-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.conv-name {
  font-size: 15px;
  font-weight: 900;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.conv-status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
}

/* Status pill (used by chat header status-dot) */
.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 8px 2px 6px;
  border-radius: var(--r-pill);
  background: var(--skeleton);
  color: var(--text-muted);
  text-transform: lowercase;
  letter-spacing: 0.04em;
  line-height: 1.2;
}
.status-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.status-dot.status-open {
  background: var(--green-bg);
  color: var(--green-dark);
}
.status-dot.status-open::before { animation: dotPulse 1.6s ease-in-out infinite; }
.status-dot.status-connecting {
  background: var(--yellow-bg);
  color: var(--yellow);
}
.status-dot.status-connecting::before { animation: dotBlink 0.8s ease-in-out infinite; }
.status-dot.status-closed,
.status-dot.status-error,
.status-dot.status-offline {
  background: var(--red-bg);
  color: var(--red-dark);
}
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 currentColor; opacity: 1; }
  50%      { box-shadow: 0 0 0 4px rgba(76, 175, 80, 0); opacity: 0.7; }
}
@keyframes dotBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* ─────────────────────────────────────────────────────────────────
   Messages list (bubbles with tails)
   ───────────────────────────────────────────────────────────────── */
.conv-main {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-3) var(--sp-3) calc(72px + var(--safe-bottom) + var(--sp-4));
  display: flex;
  flex-direction: column;
  -webkit-overflow-scrolling: touch;
}

.messages {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: var(--max-w);
  width: 100%;
}
.messages li {
  display: flex;
  flex-direction: column;
  max-width: 78%;
  padding: 9px 13px;
  border-radius: var(--r-xl);
  font-size: 14.5px;
  line-height: 1.4;
  word-wrap: break-word;
  position: relative;
  animation: msgIn 0.25s ease-out;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.messages li.mine {
  align-self: flex-end;
  background: var(--primary-grad);
  color: #fff;
  border-bottom-right-radius: var(--r-xs);
  box-shadow: var(--shadow-primary-sm);
}
.messages li.theirs,
.messages li.other {
  align-self: flex-start;
  background: var(--card-bg);
  color: var(--text);
  border-bottom-left-radius: var(--r-xs);
  box-shadow: var(--shadow-card);
}
.messages li img.msg-img,
.messages li video {
  max-width: 100%;
  border-radius: var(--r-md);
  margin-top: 6px;
  display: block;
}
.messages li time.msg-time {
  font-size: 10px;
  font-weight: 700;
  opacity: 0.75;
  margin-top: 4px;
  display: block;
  letter-spacing: 0.02em;
}
.messages li.theirs time.msg-time { color: var(--text-muted); }

.typing-indicator {
  font-style: italic;
  font-size: 12px;
  color: var(--text-muted);
  margin: var(--sp-2) auto 0;
  max-width: var(--max-w);
  padding: 0 var(--sp-3);
  width: 100%;
  font-weight: 600;
  min-height: 18px;
}

/* ─────────────────────────────────────────────────────────────────
   Composer (fixed bottom)
   ───────────────────────────────────────────────────────────────── */
.composer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-3);
  padding-bottom: max(var(--sp-3), calc(var(--safe-bottom) + var(--sp-3)));
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  z-index: var(--z-header);
  max-width: var(--max-w);
  margin: 0 auto;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.04);
}
@media (min-width: 640px) {
  .composer {
    left: 50%;
    transform: translateX(-50%);
    border-radius: var(--r-2xl) var(--r-2xl) 0 0;
  }
}

.composer-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: var(--skeleton);
  color: var(--text-muted);
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
  -webkit-tap-highlight-color: transparent;
}
.composer-btn:hover { background: var(--primary-bg); color: var(--primary); }
.composer-btn:active { transform: scale(0.92); }
.composer-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.composer-send {
  background: var(--primary-grad);
  color: #fff;
  box-shadow: var(--shadow-primary-sm);
}
.composer-send:hover:not(:disabled),
.composer-send:active:not(:disabled) {
  background: var(--primary-grad);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.composer-send:disabled { background: var(--skeleton-strong); color: var(--text-faint); box-shadow: none; }

.composer-input {
  flex: 1;
  margin: 0;
  padding: 11px 16px;
  border-radius: var(--r-pill);
  border: 1.5px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.composer-input::placeholder { color: var(--text-faint); }
.composer-input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--primary-bg-soft);
  box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.10);
}
.composer-input:disabled { opacity: 0.55; background: var(--bg-soft); }

/* ─────────────────────────────────────────────────────────────────
   Incoming-call toast (rendered globally by app.js, may overlay any page)
   ───────────────────────────────────────────────────────────────── */
.call-toast {
  position: fixed;
  top: max(var(--sp-4), calc(var(--safe-top) + var(--sp-3)));
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-bg);
  color: var(--text);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  min-width: 290px;
  max-width: 92vw;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  border-top: 4px solid var(--primary);
  animation: toastIn 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes toastIn {
  from { transform: translate(-50%, -24px); opacity: 0; }
  to   { transform: translate(-50%, 0);     opacity: 1; }
}
.call-toast-body {
  font-size: 14px;
  font-weight: 700;
}
.call-toast-body strong {
  color: var(--primary);
  font-weight: 900;
}
.call-toast-actions {
  display: flex;
  gap: var(--sp-2);
}
.call-toast-actions button {
  flex: 1;
  margin: 0;
  width: auto;
  padding: 11px 14px;
  border-radius: var(--r-md);
  border: none;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: transform var(--t-fast), background var(--t-base);
  -webkit-tap-highlight-color: transparent;
}
.call-toast-actions button:active { transform: scale(0.96); }
.call-toast-accept {
  background: var(--green);
  color: #fff;
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.35);
}
.call-toast-accept:hover { background: var(--green-dark); }
.call-toast-reject {
  background: var(--red-bg);
  color: var(--red-dark);
}
.call-toast-reject:hover { background: #FFCDD2; }

/* ============================================================================
   Phase 11.3.2 — Conversation header dropdown menu
   ============================================================================ */
.conv-actions {
  position: relative;
  flex-shrink: 0;
}
.conv-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--card-bg);
  border-radius: var(--r-lg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22), 0 4px 12px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border);
  padding: 6px;
  z-index: 110;
  animation: convMenuIn 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes convMenuIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.conv-menu[hidden] { display: none; }
.conv-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-weight: 700;
  font-size: 14px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  cursor: pointer;
  text-align: left;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
  -webkit-tap-highlight-color: transparent;
}
.conv-menu-item i {
  width: 18px;
  text-align: center;
  font-size: 14px;
  color: var(--primary);
}
.conv-menu-item:hover {
  background: var(--primary-bg);
  color: var(--primary-dark);
}
.conv-menu-item:active { transform: scale(0.98); }
.conv-menu-item + .conv-menu-item {
  margin-top: 2px;
}