/* Chat History - ChatGPT-style centered layout */
#chat-history {
  position: relative;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-grow: 1;
  width: 100%;
  overflow-y: scroll;
  overflow-x: hidden;
  scroll-behavior: auto !important; /* avoid infinite scrolling! */
  padding: var(--spacing-md) var(--spacing-lg) 0;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  scrollbar-width: thin;
  scrollbar-color: #555 transparent;
}

/* Centered content wrapper for messages */
#chat-history > * {
  width: 100%;
  max-width: 52rem; /* ~832px - matches input container */
  margin-left: auto;
  margin-right: auto;
}

#chat-history > *:first-child {
  margin-top: 4.4em;
}

/* Scrollbar styling for Firefox */
#chat-history::-webkit-scrollbar {
  width: 5px;
}

#chat-history::-webkit-scrollbar-track {
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.3);
  border-radius: 3px;
}

#chat-history::-webkit-scrollbar-thumb {
  border-radius: 3px;
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.3);
  background-color: #555;
  -webkit-transition: background-color var(--transition-speed) ease-in-out;
  transition: background-color var(--transition-speed) ease-in-out;
}

#chat-history::-webkit-scrollbar-thumb:hover {
  background-color: #666;
}

#chat-history::-webkit-scrollbar-thumb:active {
  background-color: #888;
}

/* Message Styles */

.user-container {
  align-self: flex-end;
  /* margin: var(--spacing-sm) var(--spacing-md); */
  /* margin-bottom: var(--spacing-lg); */
  /* margin-top: var(--spacing-sm); */
  display: flex;
  justify-content: flex-end;
  width: 100%;
}

.ai-container {
  align-self: flex-start;
}

.center-container {
  align-self: center;
  max-width: 80%;
  margin: 0;
}

.center-container .message {
  /* margin-bottom: var(--spacing-sm); */
}

.message .message-body {
  /* padding-top: 0.5em;
  padding-bottom: 0.5em; */
}

.message-user {
  background-color: rgba(255, 255, 255, 0.05);
  /* border-bottom-right-radius: var(--spacing-xxs); */
  /* min-width: 195px; */
  text-align: end;
}

.message-user > div {
  padding-top: var(--spacing-xs);
  /* font-family: "Roboto Mono", monospace; */
  font-optical-sizing: auto;
  -webkit-font-optical-sizing: auto;
  font-size: var(--font-size-smaller);
}

.message-user .message-text {
  text-align: start;
  font-family: var(--font-family-main);
}

.message-user .message-text pre {
  font-family: var(--font-family-main);
}

.message-ai {
  /* border-bottom-left-radius: var(--spacing-xxs); */
}

.message-center {
  align-self: center;
  /* border-bottom-left-radius: unset; */
}

.message-followup {
  /* margin-left: var(--spacing-lg); */
  /* margin-bottom: var(--spacing-lg); */
}

.message-followup .message {
  border-radius: 1.125em; /* 18px */
  /* border-top-left-radius: var(--spacing-xxs); */
}

.message-followup + .message-followup {
  margin-bottom: 0;
}

/* Update message types for dark mode - Modern neutral style */
.message-default,
.message-agent,
.message-agent-response,
.message-agent-delegation,
.message-tool,
.message-code-exe,
.message-browser,
.message-info,
.message-util,
.message-warning,
.message-error {
  color: var(--color-text);
}

.message-default {
  background-color: transparent;
}

.message-agent {
  background-color: transparent;
  border: 1px solid rgba(100, 100, 100, 0.15);
  border-left: 2px solid rgba(100, 100, 100, 0.4);
  border-radius: 0.375rem;
  padding: 0.75rem 1rem;
}

.message-agent-response {
  min-width: 255px;
  background-color: transparent;
}

.message-agent-delegation {
  background-color: transparent;
  border: 1px solid rgba(100, 100, 100, 0.15);
  border-left: 2px solid rgba(100, 100, 100, 0.4);
  border-radius: 0.375rem;
  padding: 0.75rem 1rem;
}

.message-tool {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(100, 100, 100, 0.2);
}

.message-code-exe {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(100, 100, 100, 0.2);
}

.message-body .message-markdown-table-wrap {
  display: block;
  width: 100%;
  overflow-x: auto;
  padding-bottom: 1em;
}

.message-body .message-markdown-table-wrap table {
  width: auto;
  table-layout: auto;
  white-space: nowrap;
}

.message-body code {
  white-space: break-spaces;
}

.light-mode .message-code-exe .message-body {
  border: 1px solid var(--color-border);
}

.message-browser {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(100, 100, 100, 0.2);
}

.message-info {
  background-color: transparent;
}

.message-util {
  background-color: transparent;
  display: none;
}

.message-warning {
  background-color: transparent;
  border-left: 3px solid #bc8036;
  padding-left: 1rem;
}

.message-error {
  background-color: transparent;
  border-left: 3px solid #af2222;
  padding-left: 1rem;
}

.message-code-exe .message-body {
  min-height: 3em;
  width: 100%;
  background-color: #0d1117;
  border-radius: 0.5em;
  margin-top: 0.5em;
  padding: 1em;
  font-family: var(--font-family-code);
  font-size: 0.85em;
  line-height: 1.5;
  color: #e6edf3;
  overflow-x: auto;
}

.light-mode .message-code-exe .message-body {
  background-color: #f6f8fa;
  color: #24292f;
}

/* Agent and AI Info */
.agent-start {
  color: var(--color-text);
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-xs);
  opacity: 0.7;
}

.msg-kvps {
  font-size: 0.9em;
  margin: 0.5rem 0 0.55rem 0;
  border-collapse: collapse;
  width: 100%;
}

.kvps-val pre {
  white-space: pre-wrap; /* keep \n, collapse no spaces, allow wrapping */
  word-break: break-word; /* optional – forces really long “words” to break */
  font-family: var(--font-family-code);
  font-optical-sizing: auto;
  -webkit-font-optical-sizing: auto;
  font-size: 0.75rem;
}

.msg-kvps th,
.msg-kvps td {
  align-content: center;
  padding: 0.25rem;
  padding-left: 0;
  text-align: left;
}

.msg-kvps th {
  color: var(--color-primary);
  width: 40%;
}

.msg-kvps tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.msg-heading {
  margin: 0;
  position: relative;
  display: block;
  white-space: nowrap;
}

.msg-heading h4 {
  margin: 0;
  /* width: calc(100% - 4em); */
  margin-right: 4em;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Agent avatar in message heading */
.msg-avatar {
  display: inline-flex;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  cursor: help;
}

.msg-avatar playful-avatar {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

/* Message Actions */
.message-actions {
  color: var(--color-text);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
}

.message-action {
  cursor: pointer;
  opacity: 0.7;
  -webkit-transition: opacity var(--transition-speed) ease-in-out;
  transition: opacity var(--transition-speed) ease-in-out;
}

.message-action:hover {
  opacity: 1;
}

/* Legacy copy button styles - DEPRECATED
 * These styles have been replaced by the new action buttons component
 * located at /components/messages/action-buttons/message-action-buttons.css
 * Remove this section after confirming all functionality works with action buttons
 */

/* Make message containers relative for absolute positioning of copy buttons */
.msg-content,
.kvps-row,
.message-text {
  position: relative;
}

.message-text pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* Utility Classes */
.kvps-key {
  font-weight: 500;
  font-size: var(--font-size-small);
  min-width: 7em;
}

.kvps-val {
  /* margin: 0.65rem 0 0.65rem 0.4rem; */
  white-space: pre-wrap;
}

.kvps-img {
  width: 8em;
  height: 8em;
  object-fit: cover;
  object-position: top left;
  border-radius: 10%;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.image-viewer-img {
  width: 100%;
}

.msg-json {
  display: none;
}

.msg-thoughts {
  display: auto;
}

.msg-thoughts .kvps-val {
  max-height: 20em;
  overflow: auto;
}

.msg-content {
  margin-bottom: 0;
  padding: 0;
  overflow: hidden;
}

.message-temp {
  display: none;
}

.message-temp:not([style*="display: none"]):last-of-type {
  display: block; /* or any style you want for visibility */
}

/* Math (KaTeX) */
.katex {
  line-height: 1.2 !important;
  font-size: 1.1em;
}

/* Media Queries */
@media (max-width: 640px) {
  /* New styles for mobile messages */

  .message-followup {
    /* margin-left: var(--spacing-md); */
    margin-bottom: var(--spacing-md);
  }

  .msg-kvps {
    display: flex;
    flex-direction: column;
    border-collapse: separate;
    border-spacing: 0 0.5rem;
  }

  .msg-kvps tr {
    display: flex;
    flex-direction: column;
    margin-top: 0.3rem;
    padding-bottom: 0;
  }

  .msg-kvps th,
  .msg-kvps td {
    display: block;
    width: 100%;
    text-align: left;
    border-bottom: none;
    padding: 0.25rem 0;
    padding-left: 0 !important;
  }

  .msg-kvps th {
    color: var(--color-primary);
    margin-bottom: 0.25rem;
  }

  .kvps-val {
    margin: 0 0 0.4rem 0;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
  }
}

.light-mode .msg-kvps tr {
  border-bottom: 1px solid rgb(192 192 192 / 50%);
}

.light-mode .message-default {
  background-color: transparent;
  color: var(--color-text);
}

.light-mode .message-agent {
  background-color: transparent;
  color: var(--color-text);
}

.light-mode .message-agent-response {
  background-color: transparent;
  color: var(--color-text);
}

.light-mode .message-agent-delegation {
  background-color: transparent;
  color: var(--color-text);
}

.light-mode .message-tool {
  background-color: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: var(--color-text);
}

.light-mode .message-code-exe {
  background-color: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: var(--color-text);
}

.light-mode .message-browser {
  background-color: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: var(--color-text);
}

.light-mode .message-info {
  background-color: transparent;
  color: var(--color-text);
}

.light-mode .message-util {
  background-color: transparent;
  color: var(--color-text);
}

.light-mode .message-warning {
  background-color: transparent;
  border-left: 3px solid #bc8036;
  color: #8f4800;
}

.light-mode .message-error {
  background-color: transparent;
  border-left: 3px solid #af2222;
  color: #8f1010;
}

.light-mode .message-user {
  background-color: rgba(0, 0, 0, 0.03);
  color: var(--color-text);
}

/* Markdown in messages */
.msg-content {
  font-size: var(--font-size-small);
}

.message-agent-response .msg-content {
  font-size: var(--font-size-smaller);
}

.message-agent-response .msg-content img {
  max-width: 100%;
  max-height: 100em;
}

.msg-content h1 {
  font-size: 1.25em;
  font-weight: 800;
  margin-bottom: 0.2em;
}

.msg-content h2 {
  font-size: 1.2em;
  font-weight: 700;
  margin-bottom: 0.2em;
}

.msg-content h3 {
  font-size: 1.15em;
  font-weight: 600;
  margin-bottom: 0.2em;
}

.msg-content h4 {
  font-size: 1.1em;
  font-weight: 500;
  margin-bottom: 0.2em;
}

.msg-content h5 {
  font-size: 1.05em;
  font-weight: 500;
  margin-bottom: 0.2em;
}

.msg-content h6 {
  font-size: 1em;
  font-weight: 500;
  margin-bottom: 0.2em;
}

.msg-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 0.98em;
  background: transparent;
  border-radius: 8px;
  overflow: hidden;
}

.msg-content th,
.msg-content td {
  padding: 0.55em 1em;
  border: 1px solid rgba(142, 142, 142, 0.1);
  text-align: left;
  background: transparent;
}

.msg-content th {
  font-weight: 600;
  background: rgba(142, 142, 142, 0.1);
}

.msg-content tr:nth-child(even) {
  background: rgba(142, 142, 142, 0.1);
}

.msg-content tr:nth-child(odd) {
  background: transparent;
}

.msg-content table {
  box-shadow: none;
}

/* Code blocks - modern editor style */
.msg-content pre:has(code) {
  padding: 1em;
  background-color: #0d1117;
  border: 1px solid rgba(100, 100, 100, 0.2);
  border-radius: 0.5em;
  overflow-x: auto;
  margin: 0.75em 0;
}

.msg-content pre code {
  font-family: var(--font-family-code);
  font-size: 0.85em;
  line-height: 1.6;
  color: #e6edf3;
  background: transparent;
  padding: 0;
}

/* Inline code */
.msg-content code {
  font-family: var(--font-family-code);
  font-size: 0.85em;
  background-color: rgba(100, 100, 100, 0.2);
  padding: 0.15em 0.4em;
  border-radius: 0.25em;
  color: #e6edf3;
}

/* Reset inline code styles when inside pre */
.msg-content pre code {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
}

/* Light mode code blocks */
.light-mode .msg-content pre:has(code) {
  background-color: #f6f8fa;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.light-mode .msg-content pre code {
  color: #24292f;
}

.light-mode .msg-content code {
  background-color: rgba(0, 0, 0, 0.06);
  color: #24292f;
}

.msg-min-max-btns {
  opacity: 40%;
  position: absolute;
  top: -0.2em;
  right: -0.2em;
  display: flex;
  gap: 0.3em;
  z-index: 1;
}

.message-group {
  margin-top: 0.5em;
  margin-bottom: 0.5em;
  display: inline-grid;
  grid-template-columns: minmax(0, max-content);
  grid-auto-rows: auto;
  max-width: 100%;
  width: fit-content;
  gap: var(--spacing-xs);
}

.message-group > * {
  grid-column: 1;
} /* both children sit in the same column */

.message-group-right {
  width: 100%;
  justify-content: end;
}

.message-group-mid {
  margin-left: 2em;
}

/* 1. FIRST child’s .message – clear ONLY bottom corners          */
.message-group > *:first-child:not(:last-child) > .message {
  border-bottom-left-radius: var(--spacing-xxs);
  border-bottom-right-radius: var(--spacing-xxs);
}

/* 2. MIDDLE children’s .message – clear ALL corners              */
.message-group > *:not(:first-child):not(:last-child) > .message {
  border-radius: var(--spacing-xxs);
}

/* 3. LAST child’s .message – clear ONLY top corners              */
.message-group > *:last-child:not(:first-child) > .message {
  border-top-left-radius: var(--spacing-xxs);
  border-top-right-radius: var(--spacing-xxs);
}

.message-container {
  animation: fadeIn 0.5s;
  -webkit-animation: fadeIn 0.5s;
  /* margin-bottom: var(--spacing-sm); */
  width: 100%;
  max-width: 100%;
}

.message {
  /* background-color: var(--color-message-bg); */
  border-radius: var(--border-radius);
  padding: 0.9rem var(--spacing-sm) 0.7rem var(--spacing-sm);
  overflow-x: auto;
  width: auto;
  max-width: 100%;
  box-sizing: border-box;
  /* display: block; */
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* shades - removed for modern flat design */
.dark-mode .message {
  box-shadow: none;
}

/* ========================================
   Manus-style Task Groups with Nesting
   ======================================== */

/* Task group wrapper - contains agent header + nested tools */
.message-group-left {
  position: relative;
}

/* Visual nesting for tool messages under agent */
.message-group-left .message-container.message-followup {
  margin-left: 1.5rem;
  position: relative;
}

/* Vertical connector line */
.message-group-left .message-container.message-followup::before {
  content: "";
  position: absolute;
  left: -0.75rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: rgba(100, 100, 100, 0.2);
}

/* Horizontal connector to each item */
.message-group-left .message-container.message-followup::after {
  content: "";
  position: absolute;
  left: -0.75rem;
  top: 1rem;
  width: 0.5rem;
  height: 1px;
  background-color: rgba(100, 100, 100, 0.2);
}

/* Hide connector line below last item */
.message-group-left .message-container.message-followup:last-child::before {
  bottom: calc(100% - 1rem);
}

/* Make tool messages more compact when nested */
.message-group-left .message-container.message-followup .message-tool,
.message-group-left .message-container.message-followup .message-code-exe,
.message-group-left .message-container.message-followup .message-browser {
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
}

/* Compact heading for nested tools */
.message-group-left .message-container.message-followup .msg-heading h4 {
  font-size: 0.85rem;
  font-weight: 400;
}

/* Light mode connector lines */
.light-mode .message-group-left .message-container.message-followup::before,
.light-mode .message-group-left .message-container.message-followup::after {
  background-color: rgba(0, 0, 0, 0.1);
}

/* ========================================
   Stepper for successive message groups
   ======================================== */

/* Stepper uses JS-added classes for maximum browser compatibility */

/* Groups in a stepper sequence get left margin for their first container */
.message-group-left.stepper-active > .message-container:first-child:not(.message-followup) {
  position: relative;
  margin-left: 1.5rem;
}

/* The stepper dot */
.message-group-left.stepper-active > .message-container:first-child:not(.message-followup)::before {
  content: "";
  position: absolute;
  left: -1.125rem;
  top: 1rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--color-primary);
  z-index: 3;
}

/* Vertical line going down from groups that have a next sibling */
.message-group-left.stepper-has-next::before {
  content: "";
  position: absolute;
  left: 0.625rem;
  top: 1.75rem;
  bottom: -0.5rem;
  width: 2px;
  background-color: rgba(100, 100, 100, 0.25);
  z-index: 1;
}

/* Vertical line coming from above for groups that have a previous sibling */
.message-group-left.stepper-has-prev::after {
  content: "";
  position: absolute;
  left: 0.625rem;
  top: -0.5rem;
  height: 1.75rem;
  width: 2px;
  background-color: rgba(100, 100, 100, 0.25);
  z-index: 1;
}

/* Light mode stepper colors */
.light-mode .message-group-left.stepper-has-next::before,
.light-mode .message-group-left.stepper-has-prev::after {
  background-color: rgba(0, 0, 0, 0.15);
}

/* When stepper is active, nested tools need additional margin to stay aligned */
.message-group-left.stepper-active .message-container.message-followup {
  margin-left: 3rem; /* 1.5rem stepper + 1.5rem nesting */
}

/* Adjust nested connector position for stepper groups */
.message-group-left.stepper-active .message-container.message-followup::before {
  left: -0.75rem;
}

.message-group-left.stepper-active .message-container.message-followup::after {
  left: -0.75rem;
}