/* chat.css — All chat UI (messages, input, nickname bar, replies, send button, char count) */

.chat-view-wrap {
  display: flex; flex-direction: column;
  height: 100%;
  padding-top: var(--safe-top);
  background: var(--main-bg);
  position: relative;
}
.chat-view-wrap::before {
  content: ""; position: absolute; inset: 0;
  background: var(--chat-wallpaper); opacity: 0.95; z-index: 0;
}
.chat-view-wrap > * { position: relative; z-index: 1; }

#chat-online-count {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  flex-shrink: 0;
  white-space: nowrap;
  padding-right: var(--edge-pad);
  padding-left: 12px;
  min-width: 50px;
  order: 2;
}
.online-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background-color: #34c759;
  box-shadow: 0 0 4px rgba(52, 199, 89, 0.4);
}
.online-num {
  font-size: 12px; font-weight: 600;
  color: var(--text-dark); opacity: 0.9; line-height: 1;
}

#chat-online-count {
  transition: opacity 0.25s ease;
}

#fixed-player:not(.chat-mode) #chat-online-count {
  display: none !important;
}

.chat-messages-area {
  flex: 1; overflow-y: auto;
  padding: 12px var(--edge-pad) 16px var(--edge-pad);
  display: flex; flex-direction: column; gap: 3px;

  padding-top: calc(var(--safe-top) + 80px);

  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;

  touch-action: pan-y;

  padding-bottom: 8px;
  scroll-padding-bottom: 8px;

  transform: translateZ(0);
}

.chat-input-section {
  flex-shrink: 0;
  background: var(--chat-bar-bg);
  border-top: 0.5px solid var(--tab-bar-border);
  box-shadow: 0 -1px 0 var(--tab-bar-border);
  padding: 0;
  z-index: 20;
  position: relative;

  contain: layout style;
}
@media (prefers-color-scheme: dark) {
  .chat-input-section { box-shadow: 0 -4px 16px rgba(0,0,0,0.15); }
}

.nick-float-bar {
  display: flex;
  align-items: center;
  gap: 8px;

  max-height: 0;
  padding: 0 var(--edge-pad);
  opacity: 0;
  transform: translateY(-4px);
  overflow: hidden;
  pointer-events: none;

  transition:
    max-height 0.22s cubic-bezier(0.4, 0, 0.2, 1),
    padding 0.22s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.2s ease,
    transform 0.2s ease;
}
.nick-float-bar.visible {
  max-height: 40px;
  padding: 7px var(--edge-pad) 0 var(--edge-pad);
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  overflow: visible;
}

.nick-float-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}
#chat-nickname {
  flex: 1;
  height: 26px;
  border: none;
  border-bottom: 1px solid var(--input-pill-border);
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dark);
  outline: none;
  padding: 0 2px;
}
#chat-nickname::placeholder { color: var(--input-placeholder); }

.chat-bar-inner {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 8px var(--edge-pad) 10px var(--edge-pad);
  position: relative;
}

.chat-bottom-spacer {
  flex-shrink: 0; height: 0px; background: transparent;
}

@supports (height: env(safe-area-inset-bottom)) {
  .chat-view-wrap {

    padding-bottom: 0;
  }
}

.chat-plus-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--action-btn-bg);
  border: none;
  color: var(--action-btn-color);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0;
  transition: transform 0.18s cubic-bezier(0.34,1.56,0.64,1), background 0.2s;
  margin-bottom: 1px;
  -webkit-tap-highlight-color: transparent;
}
.chat-plus-btn svg { width: 18px; height: 18px; }
.chat-plus-btn:active { transform: scale(0.88); background: var(--primary); color: white; }

.chat-announce-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: transparent;
  border: none;

  color: var(--action-btn-color);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0;
  transition: transform 0.18s cubic-bezier(0.34,1.56,0.64,1), color 0.25s, background 0.2s;
  margin-bottom: 1px;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}
.chat-announce-btn svg { width: 20px; height: 20px; }
.chat-announce-btn:active { transform: scale(0.88); background: rgba(255,149,0,0.12); }

.chat-announce-btn.has-unread { color: #FF9500; }

.unread-dot {
  position: absolute;
  top: 1px; right: 1px;
  width: 8px; height: 8px;
  background-color: #ff3b30;
  border-radius: 50%;
  border: 1.5px solid var(--chat-bar-bg);
  display: none;
}
.unread-dot.show { display: block; }

.chat-input-pill {
  flex: 1; min-height: 34px;
  display: flex; align-items: flex-end;
  background: var(--input-pill-bg);
  border: 1px solid var(--input-pill-border);
  border-radius: 20px;
  padding: 5px 14px;
  position: relative;
}
#chat-input {
  flex: 1; height: 24px; max-height: 96px;
  border: none; background: transparent;
  padding: 0; font-size: 16px;
  color: var(--input-text); outline: none; min-width: 0;

  resize: none; overflow-y: hidden; line-height: 24px;
  font-family: inherit;
}
#chat-input::placeholder { color: var(--input-placeholder); }

.chat-upload-progress {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: var(--chat-bar-bg);
  border-bottom: 0.5px solid var(--glass-border);
}
.chat-upload-progress.hidden { display: none; }
.chat-upload-progress-track { flex: 1; height: 8px; border-radius: 9999px; overflow: hidden; background: rgba(128,128,128,0.2); }
.chat-upload-progress-bar { height: 100%; width: 0%; border-radius: 9999px; background: var(--primary); transition: width 0.12s linear; }
.chat-upload-progress-text { width: 44px; text-align: right; font-size: 12px; font-weight: 800; color: var(--text-dark); }

.reply-preview-bar {
  background: var(--chat-bar-bg);
  border-bottom: 0.5px solid var(--border);
  padding: 8px 12px;
  display: none; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--text-dark);
}
.reply-preview-bar.show { display: flex; }
.reply-preview-content {
  flex: 1; min-width: 0;
  border-left: 3px solid var(--primary);
  padding-left: 8px; opacity: 0.8;
  display: flex; align-items: center; overflow: hidden;
}
.reply-preview-nick { font-weight: 700; margin-right: 4px; color: var(--primary); white-space: nowrap; flex-shrink: 0; }
.reply-preview-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; display: flex; align-items: center; gap: 6px; }

.reply-preview-img {
  height: 36px; width: 36px; object-fit: cover;
  border-radius: 6px; cursor: pointer; flex-shrink: 0; display: block;
}
.reply-close-btn {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  color: var(--action-btn-color); border-radius: 50%;
  background: var(--action-btn-bg); margin-left: 10px; flex-shrink: 0;
}

.chat-message { max-width: 90%; margin-bottom: 0.25rem; }
.chat-message.self { align-self: flex-end; margin-left: auto; display: flex; flex-direction: column; align-items: flex-end; }

.msg-bubble {
  padding: 0.6rem 0.9rem; border-radius: 18px;
  line-height: 1.5; word-break: break-word;
  width: fit-content; box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  border: 1px solid transparent;
}
.chat-message.self .msg-bubble {
  background: var(--chat-bg-self); color: white;
  border-bottom-right-radius: 4px;
}
.chat-message.other .msg-bubble {
  background: var(--chat-bg-other); color: var(--text-dark);
  border-bottom-left-radius: 4px;
}
.chat-image { max-width: 240px; border-radius: 14px; margin: 0; cursor: pointer; display: block; }
.msg-body { display: flex; align-items: flex-end; gap: 6px; }

.msg-quote-block {
  margin-bottom: 4px; padding: 4px 8px; border-radius: 6px;
  background: rgba(128,128,128,0.1); border-left: 3px solid var(--primary);
  font-size: 12px; color: var(--text-dark); opacity: 0.75;
  cursor: pointer; user-select: none;
}
.msg-quote-nick { font-weight: 700; margin-right: 4px; }

.msg-quote-img {
  max-height: 60px; max-width: 110px;
  border-radius: 6px; display: block;
  margin-top: 4px; cursor: pointer; object-fit: cover;
}

.chat-msg-reply-btn {
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--action-btn-bg); color: var(--action-btn-color);
  cursor: pointer; transition: all 0.2s;
  opacity: 0; flex-shrink: 0; margin-bottom: 2px;
}
.chat-message:hover .chat-msg-reply-btn { opacity: 1; }
.chat-msg-reply-btn:hover { background: var(--primary); color: white; transform: scale(1.1); }
.chat-msg-reply-btn:active { transform: scale(0.95); }
@media (hover: none) { .chat-msg-reply-btn { opacity: 0.5; } }

.chat-station-tag {
  display: inline-flex; align-items: center; gap: 4px;
  margin-left: 6px; padding: 3px 9px 3px 7px; border-radius: 999px;
  font-size: 10px; font-weight: 600;
  background: rgba(0, 122, 255, 0.09);
  border: 1px solid rgba(0, 122, 255, 0.18);
  color: var(--primary);
  vertical-align: middle; user-select: none;
  max-width: 220px; overflow: hidden;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 3px rgba(0,122,255,0.07);
}
.chat-station-tag-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
.chat-station-tag:hover { background: rgba(0, 122, 255, 0.15); box-shadow: 0 2px 6px rgba(0,122,255,0.12); }
@media (prefers-color-scheme: dark) {
  .chat-station-tag { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.22); color: rgba(255,255,255,0.9); box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
  .chat-station-tag:hover { background: rgba(255,255,255,0.22); box-shadow: 0 2px 6px rgba(0,0,0,0.25); }
}

.chat-history-loader { display: flex; justify-content: center; padding: 10px 0; font-size: 12px; color: var(--action-btn-color); opacity: 0.7; }

.chat-send-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  color: white;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0;
  transition: transform 0.18s cubic-bezier(0.34,1.56,0.64,1), background 0.15s;
  margin-bottom: 1px;
  -webkit-tap-highlight-color: transparent;

}
.chat-send-btn svg { width: 18px; height: 18px; }
.chat-send-btn:active { transform: scale(0.88); background: #005ecb; }

.chat-new-msg-float {
  position: absolute;

  bottom: var(--chat-input-h, 52px);
  left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--primary); color: white;
  border: none; border-radius: 999px;
  padding: 6px 14px 6px 10px;
  font-size: 13px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 4px;
  box-shadow: 0 4px 16px rgba(0,122,255,0.35);
  cursor: pointer; z-index: 30;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
  margin-bottom: 8px;
}
.chat-new-msg-float.show {
  opacity: 1; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.chat-new-msg-float:active { transform: translateX(-50%) scale(0.95); }
.chat-message.grouped { margin-top: -2px; }
.chat-message.grouped .msg-bubble { border-radius: 18px; }
.chat-message.other.grouped .msg-bubble {
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}
.chat-message.self.grouped .msg-bubble {
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}

.msg-pending { opacity: 0.55; transition: opacity 0.3s; }
.msg-pending .msg-bubble { position: relative; }
.msg-sending-indicator {
  font-size: 10px;
  color: rgba(255,255,255,0.7);
  margin-left: 6px;
  white-space: nowrap;
  font-weight: 400;
}
.msg-failed { opacity: 1; }
.msg-failed .msg-bubble { border: 1px solid #ff3b30 !important; }
.msg-retry-btn {
  color: #ff3b30;
  font-size: 10px;
  cursor: pointer;
  text-decoration: underline;
}

.chat-char-count {
  position: absolute;
  bottom: calc(100% + 6px);
  right: 6px;
  font-size: 11px; font-weight: 600;
  color: var(--input-placeholder);
  background: var(--chat-bar-bg);
  border: 0.5px solid var(--input-pill-border);
  border-radius: 10px;
  padding: 2px 8px;
  line-height: 1.2;
  pointer-events: none;
  transition: color 0.2s ease, border-color 0.2s ease;
  z-index: 5;
  white-space: nowrap;
}
.chat-char-count--warn {
  color: #ff3b30;
  border-color: rgba(255,59,48,0.4);
}

.chat-message.fade-in {
  animation: msgFadeIn 0.15s ease-out;
  will-change: opacity;
}
.chat-message.fade-in.animation-done {
  will-change: auto;
}
@keyframes msgFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}