.right_col {
  padding: 0 !important;
}
.right_col .container {
  /* Light theme colors */
  --text-color: #090c13;
  --subheading-color: #7b8cae;
  --placeholder-color: #606982;
  --primary-color: #fff;
  --secondary-color: #eff3fb;
  --secondary-hover-color: #d2ddf2;
  --scrollbar-color: #a2aac2;
}
.right_col .container.dark-theme {
  /* Dark theme colors */
  --text-color: #edf3ff;
  --subheading-color: #97a7ca;
  --placeholder-color: #c3cdde;
  --primary-color: #101623;
  --secondary-color: #283045;
  --secondary-hover-color: #333e58;
  --scrollbar-color: #626a7f;
}

.right_col .container {
  overflow-y: auto;
  padding: 32px 0 60px;
  height: calc(100vh - 127px);
  scrollbar-color: var(--scrollbar-color) transparent;
  font-size: 17px;
  background: var(--primary-color);
  padding-top: 0;
  padding-bottom: 30px;
}
.right_col .container :where(.app-header, .suggestions, .message, .prompt-wrapper) {
  color: var(--text-color);
  position: relative;
  margin: 0 auto;
  width: 100%;
  padding: 0 20px;
  max-width: 990px;
  text-align: center;
}
.right_col .container .app-header {
  margin-top: 3vh;
}
.app-header .heading {
  /*width: fit-content;*/
  font-size: 1.8em;
    line-height: inherit;
  background: linear-gradient(to right, #1d7efd, #8f6fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.app-header .sub-heading {
  font-size: 1.6em;
  margin-top: -5px;
  color: var(--subheading-color);
}
.right_col .container .suggestions {
  width: 100%;
  list-style: none;
  display: flex;
  gap: 15px;
  margin-top: 9.5vh;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.right_col.chats-active .container :where(.app-header, .suggestions) {
  display: none;
}
.suggestions .suggestions-item {
  cursor: pointer;
  padding: 18px;
  width: 228px;
  flex-shrink: 0;
  display: flex;
  scroll-snap-align: center;
  flex-direction: column;
  align-items: flex-end;
  border-radius: 12px;
  justify-content: space-between;
  background: var(--secondary-color);
  transition: 0.3s ease;
}
.suggestions .suggestions-item:hover {
  background: var(--secondary-hover-color);
}
.suggestions .suggestions-item .text {
  font-size: 1.1em;
}
.suggestions .suggestions-item .icon {
  width: 45px;
  height: 45px;
  display: flex;
  font-size: 1.4em;
  margin-top: 35px;
  align-self: flex-end;
  align-items: center;
  border-radius: 50%;
  justify-content: center;
  color: #1d7efd;
  background: var(--primary-color);
}
.suggestions .suggestions-item:nth-child(2) .icon {
  color: #28a745;
}
.suggestions .suggestions-item:nth-child(3) .icon {
  color: #ffc107;
}
.suggestions .suggestions-item:nth-child(4) .icon {
  color: #6f42c1;
}
.right_col .container .chats-container {
  display: flex;
  gap: 20px;
  flex-direction: column;
}
.chats-container .message {
  display: flex;
  gap: 11px;
  align-items: center;
}
.chats-container .message .avatar {
  width: 43px;
  height: 43px;
  flex-shrink: 0;
  align-self: flex-start;
  border-radius: 50%;
  padding: 6px;
  margin-right: -7px;
  /*background: var(--secondary-color);*/
  background: #fff;
  border: 1px solid var(--secondary-hover-color);
}
.chats-container .message.loading .avatar {
  animation: rotate 3s linear infinite;
}
@keyframes rotate {
  100% {
    transform: rotate(360deg);
  }
}
.chats-container .message .message-text {
  color: var(--text-color);
  padding: 3px 16px;
  word-wrap: break-word;
  white-space: pre-line;
  text-align: left;
  /* Bảo toàn khoảng trắng và tự động xuống dòng */
  white-space: pre-wrap;
  /* tránh tràn màn hình */
  word-break: break-word;
}
.chats-container .bot-message {
  margin: 9px auto;
}
.chats-container .user-message {
  flex-direction: column;
  align-items: flex-end;
}
.chats-container .user-message .message-text {
  padding: 12px 16px;
  max-width: 75%;
  background: var(--secondary-color);
  border-radius: 13px 13px 3px 13px;
}
.chats-container .user-message .img-attachment {
  margin-top: -7px;
  width: 50%;
  border-radius: 13px 3px 13px 13px;
  max-width: fit-content;
}
.chats-container .user-message .file-attachment {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 10px;
  margin-top: -7px;
  border-radius: 13px 3px 13px 13px;
  background: var(--secondary-color);
  max-width: 75%;
  text-align: left;
}
.chats-container .user-message .file-attachment span {
  color: #1d7efd;
}
.right_col .container .prompt-container {
    position: fixed;
    width: calc(100% - 230px);
    right: 0;
    bottom: -1px;
    padding: 16px 0;
    background: var(--primary-color);
}
.nav-sm .right_col .container .prompt-container {
    width: calc(100% - 70px);
}
.prompt-container :where(.prompt-wrapper, .prompt-form, .prompt-actions) {
  display: flex;
  /*gap: 12px;*/
  height: 56px;
  align-items: end;
}
/*.prompt-container .prompt-form {
  height: 100%;
  width: 100%;
  border-radius: 130px;
  background: var(--secondary-color);
}*/
.prompt-container .prompt-form {
    width: 100%;
    height: auto;
    border-radius: 28px;
    background: var(--secondary-color);
    display: flex;
    align-items: flex-end;
    padding: 0px 4px 0px 12px;
    box-sizing: border-box;
}
/*.prompt-form .prompt-input {
  width: 100%;
  height: 100%;
  background: none;
  outline: none;
  border: none;
  font-size: 1em;
  color: var(--text-color);
  padding-left: 24px;
}*/
.prompt-form .prompt-input {
    flex-grow: 1;
    width: 100%;
    min-height: 24px;
    max-height: 240px;
    background: none;
    outline: none;
    border: none;
    font-size: 1em;
    line-height: 1.4em;
    color: var(--text-color);
    padding: 10px 8px;
    resize: none;
    box-sizing: border-box;
    align-content: center;
    padding-bottom: 10px;
}
.prompt-form .prompt-input::placeholder {
  color: var(--placeholder-color);
}
.prompt-wrapper button {
  width: 56px;
  height: 100%;
  flex-shrink: 0;
  cursor: pointer;
  border-radius: 50%;
  font-size: 1.4em;
  border: none;
  color: var(--text-color);
  background: var(--secondary-color);
  transition: 0.3s ease;
  margin: 0;
}
.prompt-wrapper :is(button:hover, #cancel-file-btn, .file-icon) {
  background: #cbd6eca8;
}
/*.prompt-form .prompt-actions {
  gap: 5px;
  margin-right: 7px;
}*/
.prompt-form .prompt-actions {
  gap: 5px;
  margin-right: 0;
  flex-shrink: 0;
  padding-bottom: 6px;
}
.prompt-wrapper .prompt-form :where(.file-upload-wrapper, button, img) {
  position: relative;
  height: 45px;
  width: 45px;
}
.prompt-form .prompt-actions #send-prompt-btn {
  color: #fff;
  display: none;
  background: #1d7efd;
}
.prompt-form .prompt-input:valid~.prompt-actions #send-prompt-btn {
  display: block;
}
.prompt-form #send-prompt-btn:hover {
  background: #0264e3;
}
.prompt-form .file-upload-wrapper :where(button, img) {
  display: none;
  border-radius: 50%;
  object-fit: cover;
  position: absolute;
}
.prompt-form .file-upload-wrapper.active #add-file-btn {
  display: none;
}
.prompt-form .file-upload-wrapper #add-file-btn,
.prompt-form .file-upload-wrapper.active.img-attached img,
.prompt-form .file-upload-wrapper.active.file-attached .file-icon,
.prompt-form .file-upload-wrapper.active:hover #cancel-file-btn {
  display: block;
}
.prompt-form :is(#stop-response-btn:hover, #cancel-file-btn) {
  color: #d62939;
}
.prompt-wrapper .prompt-form .file-icon {
  color: #1d7efd;
}
.prompt-form #stop-response-btn,
body.bot-responding .prompt-form .file-upload-wrapper {
  display: none;
}
body.bot-responding .prompt-form #stop-response-btn {
  display: block;
}
.prompt-container .disclaimer-text {
  font-size: 0.75em;
  text-align: center;
  padding: 16px 20px 0;
  color: var(--placeholder-color);
}

/*Add-Edit*/
footer {display: none !important;}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 20px;
    position: sticky;
    top: -1px;
    background: var(--primary-color);
    z-index: 10;
}

/* Model Selector */
.model-selector {
    position: relative;
}
.model-selector-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-color);
    border: 1px solid var(--secondary-hover-color);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    color: var(--text-color);
}
.model-selector-btn:hover {
    background-color: var(--secondary-hover-color);
}
.model-selector-btn img {
    width: 20px;
    height: 20px;
}
.model-selector-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 320px;
    background-color: var(--primary-color);
    border: 1px solid var(--secondary-hover-color);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 8px;
    z-index: 20;
    height: calc(42rem);
    overflow: hidden scroll;
}
.model-selector-dropdown ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.model-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
}
.model-item:hover {
    background-color: var(--secondary-hover-color);
}
.model-item.checked {
    background-color: var(--secondary-hover-color);
    margin: 5px 0;
}
.model-item.checked .model-name, .model-item.checked .model-desc {
  font-weight: 500;
}
.model-item img {
    width: 22px;
    height: 22px;
}
.model-details .model-name {
    font-size: 0.9em;
    font-weight: 400;
    color: var(--text-color);
    margin: 0;
}
.model-details .model-desc {
    font-size: 0.7em;
    font-weight: 400;
    color: var(--subheading-color);
    margin: 0;
}
.model-item .pro-tag {
    margin-left: auto;
    background-color: #6f42c1;
    color: white;
    font-size: 0.7em;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 4px;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}
.header-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background-color: var(--secondary-color);
    border: 1px solid var(--secondary-hover-color);
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-color);
    font-size: 0.9em;
}
.header-btn:hover ,#new-btn:hover {
    background-color: var(--secondary-hover-color);
}
#new-btn {background-color: initial;}

/* History Panel */
.history-panel {
    position: fixed;
    top: 0;
    right: -340px; /* Bắt đầu ẩn bên ngoài màn hình */
    width: 320px;
    height: 100%;
    background-color: var(--primary-color);
    color: var(--text-color);
    border-left: 1px solid var(--secondary-hover-color);
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: right 0.3s ease-in-out;
}
.history-panel.open {
    right: 0; /* Hiện panel */
}
.history-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--secondary-hover-color);
    flex-shrink: 0;
}
.history-panel-header h3 {
    margin: 0;
    font-size: 1.2em;
}
.close-history-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
}
.history-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--secondary-hover-color);
    flex-shrink: 0;
}
.history-search input {
    width: 100%;
    background: var(--primary-color);
    border: 1px solid var(--secondary-hover-color);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-color);
    outline: none;
}
.history-list {
    flex-grow: 1;
    overflow-y: auto;
    padding: 16px;
}
.history-group {
    margin-bottom: 10px;
}
.history-group-title {
    font-size: 0.7em;
    font-weight: 500;
    color: var(--subheading-color);
    margin-bottom: 2px;
    text-align: left;
}
.history-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 15px;
    transition: 0.3s ease;
}
.history-item:hover, .history-item.checked {
    background-color: var(--secondary-hover-color);
    padding-left: 10px;
}
.history-item-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
    flex-grow: 1;
}
.history-item-actions {
    position: relative;
    flex-shrink: 0;
}
.more-options-btn {
    background: none;
    border: none;
    color: var(--text-color);
    padding: 4px;
    border-radius: 50%;
    cursor: pointer;
    /*display: none;*/
}
.history-item:hover .more-options-btn {
    display: block;
}
.options-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: var(--primary-color);
    border: 1px solid var(--secondary-hover-color);
    border-radius: 8px;
    padding: 8px;
    width: 150px;
    z-index: 10;
}
.options-menu.open {
    display: block;
}
.option-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
}
.option-item:hover {
    background-color: var(--secondary-hover-color);
}
.option-delete {
    color: #d62939;
}
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: none;
}
.overlay.open {
    display: block;
}
#theme-toggle-btn {margin-left: 5px !important}
#voice-record-btn {
  margin: 0 0 0 5px;
}
#voice-record-btn.recording {
    color: red;
    animation: pulse 1s infinite;
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Container cho khối code, để chứa nút copy */
.code-block-wrapper {
    position: relative;
    margin: 1rem 0;
    border-radius: 5px;
}
.message pre {
    background-color: initial;
    color: #abb2bf;
    padding: 0;
    border-radius: 0 0 5px 5px;
    overflow-x: auto;
    white-space: pre;
    border: none;
}
/* Định dạng cho thẻ <code> bên trong */
.message pre code {
    font-family: 'Fira Code', 'Courier New', Courier, monospace; /* Font chữ lập trình đẹp */
    font-size: 0.9em;
    line-height: 1.6;
}
/* Nút Copy Code */
.copy-code-btn {
    position: absolute;
    top: 0.5rem;
    right: 0;
    background-color: initial;
    color: #707070;
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.8em;
    transition: opacity 0.2s;
}
.copy-code-btn:hover {
  color: #1d1d1d;
}
.code-block-header {
  position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #fafafa;
    color: #5d5d5d;
    padding: 1rem 1rem 0.8rem 1rem;
    border-bottom: 1px solid #c6c6c6;
    border-radius: 5px 5px 0 0;
}
.language-name {
    font-family: 'Fira Code', 'Courier New', Courier, monospace;
    font-size: 0.8em;
    font-weight: 600;
    text-transform: capitalize;
}
.language-name i {
  font-size: 12px;
}
.code-block-wrapper, .code-block-header, .hljs {
    background: #f0f0f0 !important;
}
.copy-msg-btn, .speak-msg-btn {
  position: absolute;
  bottom: -32px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  color: #999;
  transition: color 0.2s;
}
.bot-message .copy-msg-btn {
  left: 84px;
}
.bot-message .speak-msg-btn { left: 104px; }
.copy-msg-btn:hover, .speak-msg-btn:hover {
  color: #333;
}
.message {
  position: relative;
}
/*End Add-Edit*/

@media (max-width: 991px) {
  .right_col .container .prompt-container {
      width: 100%;
      right: 0;
  }
  .main-header {
    padding: 8px 10px;
    top: -8px;
  }
}
@media (max-width: 768px) {
  .right_col .container {
    padding: 0 0 100px;
  }
  .app-header :is(.heading, .sub-heading) {
    font-size: 1.2em;
    line-height: 1.2;
  }
  .app-header .sub-heading {
    font-size: 1.7em;
  }
  .right_col .container .chats-container {
    gap: 15px;
  }
  .chats-container .bot-message {
    margin: 4px auto;
  }
  .prompt-container :where(.prompt-wrapper, .prompt-form, .prompt-actions) {
    /*gap: 8px;*/
    height: 53px;
  }
  .prompt-container button {
    width: 53px;
  }
  .prompt-form :is(.file-upload-wrapper, button, img) {
    height: 42px;
    width: 42px;
  }
  .prompt-form .prompt-input {
    padding-left: 20px;
  }
  .prompt-form .file-upload-wrapper.active #cancel-file-btn {
    opacity: 0;
  }
  .prompt-wrapper.hide-controls :where(#theme-toggle-btn, #delete-chats-btn, #voice-record-btn) {
    display: none;
  }
  .header-btn span {display: none;}
  .prompt-container .disclaimer-text {display: none;}
}