:root {
  --bg: #f7fafc;
  --aside-bg: #ffffff;
  --aside-border: #e0e0e0;
  --main-bg: #f7fafc;
  --chat-bg: #ffffff;
  --input-bg: #e2e8f0;
  --bubble-user: #b2ebf2;
  --bubble-user-text: #2c3e50;
  --bubble-llm: #c8e6c9;
  --text: #2c3e50;
  --btn-bg: #1d3aa2;
  --btn-text: #ffffff;
  --primary: var(--bubble-user);
  --primary-text: var(--bubble-user-text);
  --comment-confirm-color: #1d3aa2;
  --btn-primary-bg: #3b82f6;  
  --btn-primary-text: #ffffff;
  --btn-danger-bg: #dc2626;  
  --btn-danger-text: #ffffff;
  --btn-neutral-bg: #e5e7eb;  
  --btn-neutral-text: #111827;
}

.dark {
  --bg: #121212;
  --aside-bg: #1e1e1e;
  --aside-border: #444444;
  --main-bg: #121212;
  --chat-bg: #1e1e1e;
  --input-bg: #2a2f3a;
  --bubble-user: #005f73;
  --bubble-user-text: #ffffff;
  --bubble-llm: #2a2f3a;
  --text: #e0e0e0;
  --btn-bg: #2a2f3a;
  --btn-text: #e0e0e0;
  --primary: var(--bubble-user);
  --primary-text: var(--bubble-user-text);
  --comment-confirm-color: #4fc3f7;
  --btn-primary-bg: #60a5fa;
  --btn-primary-text: #0b1220; 
  --btn-danger-bg: #ef4444;
  --btn-danger-text: #ffffff;
  --btn-neutral-bg: #2a2f3a;
  --btn-neutral-text: var(--text);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  display: flex;
  height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  flex-direction: row;
}

aside {
  width: 260px;
  background-color: var(--aside-bg);
  border-right: 1px solid var(--aside-border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

aside button,
aside select {
  min-height: 44px;           
}

aside h2 {
  margin: 0 0 10px;
  font-size: 1.2em;
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

aside button,
aside select {
  padding: 10px;
  font-size: 0.95em;
  border: 1px solid var(--aside-border);
  border-radius: 6px;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  cursor: pointer;
  width: 100%;
}

aside select {
  background-color: var(--aside-bg);
  color: var(--text);
}

aside button:hover,
aside select:hover {
  opacity: 0.9;
}

select {
  appearance: none;        
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 40px;      
  position: relative;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23aaa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-size: 24px 24px; 
  background-position: right 8px center;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 30px;
  background-color: var(--main-bg);
  position: relative;
}

#chatContainer {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--chat-bg);
  border: 1px solid var(--aside-border);
  border-radius: 12px 12px 0 0;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.message {
  display: flex;
  width: 100%;
}

.message.llm {
  justify-content: flex-start;
}

.message.user {
  justify-content: flex-end;
}

.bubble {
  position: relative;
  padding: 12px 16px 24px;
  border-radius: 18px;
  line-height: 1.4;
  word-wrap: break-word;
  max-width: 60%;
}

.bubble.llm {
  background-color: var(--bubble-llm);
  color: var(--text);
  border-top-left-radius: 4px;
}

.bubble.user {
  background-color: var(--bubble-user);
  color: var(--bubble-user-text);
  border-top-right-radius: 4px;
}

.timestamp {
  position: absolute;
  bottom: 4px;
  right: 8px;
  font-size: 0.75em;
  opacity: 0.6;
}

.system-event {
  text-align: center;
  font-size: 0.75em;
  color: #888;
  margin: 8px 0;
}

#inputSection {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 800px;
  margin: 0 auto 20px;
  background-color: var(--input-bg);
  border: 1px solid var(--aside-border);
  border-top: none;
  border-radius: 0 0 12px 12px;
  padding: 10px 16px;
  gap: 10px;
}

#promptSelect,
#userInput {
  padding: 12px;
  border: 1px solid var(--aside-border);
  border-radius: 6px;
  font-size: 1em;
  background-color: var(--chat-bg);
  color: var(--text);
}

#promptSelect {
  width: 180px;
}

#userInput {
  flex: 1;
}

#sendButton {
  padding: 12px 20px;
  background-color: var(--primary);
  color: var(--primary-text);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: background-color 0.2s, opacity 0.2s;
}

#sendButton:hover {
  opacity: 0.85;
}

#rightImage, #leftImage {
  position: absolute;
  max-width: calc((100vw - 1100px) / 2 - 20px);
  height: auto;
  opacity: 0.8;
  z-index: 0;
  pointer-events: none;
}

#rightImage {
  bottom: 0;
  right: 0;
}

#leftImage {
  top: 5%;
  left: 2%;
}

#Logo {
  position: absolute;
  bottom: 40px;
  left: 30px;
  width: 200px;
  height: auto;
  opacity: 1;
}

.comment-icon {
  display: block;
  cursor: pointer;
  margin-left: 5px;
  margin-top: 5px;
  opacity: 0.6;
  font-size: 0.9em;
}

.comment-icon:hover {
  opacity: 1;
}

.comment-confirm {
  float: right;
  margin-left: 6px;
  font-size: 1em;
  color:var(--comment-confirm-color); 
  font-weight: bold;
  letter-spacing: -5px;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.2s ease-out;
}

.bubble-comment .comment-confirm.show {
  opacity: 1;
  transform: scale(1);
}

.bubble-comment {
  margin-top: 4px;
  font-size: 0.85em;
  font-style: italic;
  opacity: 0.8;
  text-align: right;
  display: flex;             
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
}

.comment-edit {
  cursor: pointer;
  opacity: 0.7;
  user-select: none;
}
.comment-edit:hover { opacity: 1; }

.comment-editing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.comment-edit-input {
  max-width: min(520px, 70%);
  padding: 6px 8px;
  border: 1px solid var(--aside-border);
  border-radius: 4px;
  font-size: 0.95em;
}

.comment-edit-save,
.comment-edit-cancel {
  padding: 6px 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.comment-edit-save {
  background: var(--btn-primary-bg, var(--primary));
  color: var(--btn-primary-text, var(--primary-text));
}
.comment-edit-cancel {
  background: var(--btn-neutral-bg, #e5e7eb);
  color: var(--btn-neutral-text, #111827);
}

.inline-comment {
  margin-top: 6px;
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.inline-comment .comment-input {
  flex: 1;
  padding: 6px 8px;
  border: 1px solid var(--aside-border);
  border-radius: 4px;
  font-size: 0.9em;
}

.inline-comment .comment-send {
  padding: 6px 12px;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.inline-comment .comment-send:hover {
  opacity: 0.9;
}

.modal {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-content {
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  padding: 30px;
  overflow-y: visible; 
  background-color: var(--chat-bg);
  color: var(--text);
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
  position: relative;
}

#cguLink {
  position: fixed;
  bottom: 10px;
  left: 280px;
  font-size: 0.85em;
  color: var(--text);
  opacity: 0.7;
  z-index: 100;
}

#cguLink:hover {
  opacity: 1;
  text-decoration: underline;
}

#aiDisclaimer {
  margin: 2px auto 2px;
  max-width: 800px;
  font-size: 0.75em;
  color: var(--text);
  opacity: 0.8065;
  text-align: center;
  line-height: 1.2;
}

#txtPromptContent {
  width: 100%;
  max-height: 60vh;     
  height: auto;            
  overflow-y: auto;       
  resize: vertical;
  margin-top: 10px;
  background-color: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--aside-border);
  border-radius: 8px;
  padding: 14px;
  font-size: 1rem;
  font-family: inherit;
  line-height: 1.5;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.1);
}

.modal-actions button {
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.95em;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  transition: background-color 0.2s, transform 0.1s;
  border: none;
  cursor: pointer;
}
#btnSavePrompt {
  background-color: var(--primary);
  color: var(--primary-text);
}

#btnDeletePrompt {
  background-color: #dc2626;
  color: #fff;
}

#btnCloseModal, #modalX {
  background-color: #e5e7eb; 
  color: #000;
}

.modal-actions button:hover {
  opacity: 0.9;
}

body.dark #promptModal .modal-content {
  background-color: var(--aside-bg);
}

body.dark #Logo {
  content: url("/assets/logo_white.png");
}

@media (max-width: 1100px) {
  body {
    flex-direction: column;
  }

  aside {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--aside-border);
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 10px;
  }
  #langSelectLabel {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }


  aside h2 {
    flex: 1 0 100%;
  }

  .setting-item {
    flex: 1 1 45%;
    min-width: 140px;
  }

  main {
    padding: 20px 16px;
  }

  #chatContainer,
  #inputSection {
    flex-wrap: wrap;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    padding-left: 8px;
    padding-right: 8px;
  }
  #sendButton {
    margin-left: auto;
    flex: 0 0 auto;
  }

  .bubble {
    max-width: 95%;
  }

  #leftImage,
  #rightImage,
  #Logo {
    display: none !important;
  }
}

@media (max-width: 1300px) {
  #leftImage,
  #rightImage {
    display: none !important;
  }
}

.hidden {
  display: none !important;
}

#forgotPasswordContainer {
  margin-top: 10px;
}
#forgotPasswordContainer a {
  font-size: 0.9em;
  color: #0077cc;
  text-decoration: underline;
  cursor: pointer;
}

#forgotPasswordInfo {
  display: none;
  font-size: 0.85em;
  color: #444;
  margin-top: 4px;
}

#loginBtn {
  margin-top: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  margin-bottom: 10px;
}

.input-error {
  font-size: 0.85em;
  color: #ff5e5e;
  visibility: hidden;
  height: 0;
  line-height: 1;
  transition: all 0.2s ease;
  margin-top: 2px;
}

.input-error.visible {
  visibility: visible;
  height: auto;
}

.bubble.llm.typing {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  min-height: 20px;
}
.bubble.llm.typing .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.4;
  animation: typingBounce 1.2s infinite ease-in-out;
}
.bubble.llm.typing .dot:nth-child(2) { animation-delay: .15s; }
.bubble.llm.typing .dot:nth-child(3) { animation-delay: .30s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: translateY(0); opacity: .4; }
  40% { transform: translateY(-4px); opacity: 1; }
}

.char-counter {
  margin-top: 6px;
  font-size: 0.9em;
  opacity: 0.95;
  text-align: left;
}

.char-counter.warning { color: #d97706; } 
.char-counter.error   { color: #ef4444; } 

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.modal-close {
  font-size: 1.4em !important;
  background: transparent !important;
  border: none !important;
  color: white !important;
  cursor: pointer;
  padding: 0 8px !important;
  line-height: 1 !important;
}

.modal-close:hover {
  opacity: 0.7;
}