/* ==============================================================================
   ZeroChatWidget - Canonical Scoped Glassmorphic Styles
   ============================================================================== */

.zero-chat-widget {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  overflow: hidden;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #f8fafc;
}

/* Standalone Container Mode */
.zero-chat-widget.zero-chat-standalone {
  max-width: 380px;
  height: 520px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55), 0 0 24px rgba(56, 189, 248, 0.15);
}

/* Embedded Container Mode */
.zero-chat-widget.zero-chat-embedded {
  background: transparent;
  flex: 1 1 auto;
  min-height: 0;
}

/* Scoped Header Bar */
.zero-chat-widget .zero-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(30, 41, 59, 0.65);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  box-sizing: border-box;
}

/* Scoped Peer Pill / Status Indicator */
.zero-chat-widget .peer-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.28);
  color: #38bdf8;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  user-select: none;
  -webkit-user-select: none;
  cursor: default;
}

.zero-chat-widget .peer-lock-icon {
  font-size: 0.85rem;
  line-height: 1;
}

.zero-chat-widget .peer-count {
  font-size: 0.75rem;
  color: #38bdf8;
}

/* Scoped Burn Header Button */
.zero-chat-widget .btn-header-burn {
  background: transparent;
  border: none;
  font-size: 1rem;
  line-height: 1;
  padding: 4px 6px;
  cursor: pointer;
  border-radius: 6px;
  opacity: 0.75;
  transition: transform 0.15s ease, opacity 0.15s ease;
  user-select: none;
  -webkit-user-select: none;
}

.zero-chat-widget .btn-header-burn:hover {
  opacity: 1;
  transform: scale(1.15);
}

.zero-chat-widget .btn-header-burn:active {
  transform: scale(0.92);
}

/* Scoped Messages Area */
.zero-chat-widget .zero-chat-messages {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-sizing: border-box;
  scroll-behavior: smooth;
  min-height: 100px;
}

.zero-chat-widget .zero-chat-messages::-webkit-scrollbar {
  width: 5px;
}
.zero-chat-widget .zero-chat-messages::-webkit-scrollbar-track {
  background: transparent;
}
.zero-chat-widget .zero-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 9999px;
}
.zero-chat-widget .zero-chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.28);
}

/* Scoped Message Bubbles */
.zero-chat-widget .message-bubble {
  position: relative;
  min-width: 120px;
  max-width: 85%;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 12px;
  border-radius: 12px;
  word-break: break-word;
  overflow-wrap: anywhere;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: zeroChatFadeIn 0.2s ease-out;
  box-sizing: border-box;
}

@keyframes zeroChatFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scoped Incoming Message */
.zero-chat-widget .message-incoming {
  align-self: flex-start;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-left: 3px solid var(--peer-color, #38bdf8);
  border-bottom-left-radius: 4px;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.08);
}

/* Scoped Outgoing Message */
.zero-chat-widget .message-outgoing {
  align-self: flex-end;
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-left: 3px solid #10b981;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.1);
}

/* Scoped Header within Message */
.zero-chat-widget .message-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 0.72rem;
  margin-bottom: 2px;
}

.zero-chat-widget .message-sender {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex: 1 1 auto;
}

.zero-chat-widget .message-incoming .message-sender {
  color: var(--peer-color, #38bdf8);
}

.zero-chat-widget .message-outgoing .message-sender {
  color: #34d399;
}

/* Scoped Peer Color Dot */
.zero-chat-widget .peer-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--peer-color, #38bdf8);
  box-shadow: 0 0 6px var(--peer-color, #38bdf8);
  display: inline-block;
  flex-shrink: 0;
}

.zero-chat-widget .peer-dot.self-dot {
  background-color: #10b981;
  box-shadow: 0 0 6px #10b981;
}

/* Scoped Per-Message Burn Button */
.zero-chat-widget .btn-message-burn {
  background: transparent;
  border: none;
  font-size: 0.75rem;
  line-height: 1;
  padding: 2px 4px;
  cursor: pointer;
  border-radius: 4px;
  margin-left: auto;
  opacity: 0.55;
  transition: opacity 0.15s ease, transform 0.15s ease;
  user-select: none;
  -webkit-user-select: none;
  flex-shrink: 0;
}

.zero-chat-widget .btn-message-burn:hover {
  opacity: 1;
  transform: scale(1.2);
}

.zero-chat-widget .btn-message-burn:active {
  transform: scale(0.9);
}

/* Scoped Message Body Text */
.zero-chat-widget .message-text {
  font-size: 0.85rem;
  line-height: 1.4;
  color: #f1f5f9;
}

/* Scoped Ephemeral Aging & Dissolve Animation */
.zero-chat-widget .message-aging {
  opacity: 0.80 !important;
  transition: opacity 20s linear !important;
}

.zero-chat-widget .message-dissolve {
  opacity: 0 !important;
  transform: scale(0.95) !important;
  max-height: 0 !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  overflow: hidden !important;
  transition: opacity 0.2s ease-out, transform 0.2s ease-out, max-height 0.2s ease-out, margin 0.2s ease-out, padding 0.2s ease-out !important;
}

/* Scoped Input Bar */
.zero-chat-widget .zero-chat-input-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.75);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  box-sizing: border-box;
}

.zero-chat-widget .zero-chat-input {
  flex: 1 1 auto;
  height: 38px;
  padding: 0 12px;
  background: rgba(30, 41, 59, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: #f8fafc;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
}

.zero-chat-widget .zero-chat-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.zero-chat-widget .zero-chat-input:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
}

/* Scoped Emerald Send Button */
.zero-chat-widget .btn-send-emerald {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #10b981, #059669);
  border: none;
  border-radius: 8px;
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
  user-select: none;
  -webkit-user-select: none;
}

.zero-chat-widget .btn-send-emerald:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.5);
  opacity: 0.95;
}

.zero-chat-widget .btn-send-emerald:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(16, 185, 129, 0.4);
}

.zero-chat-widget .btn-send-emerald:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}