*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* :root {
  --bg-base:       #f4f5f9;
  --bg-sidebar:    #ffffff;
  --bg-chat:       #f4f5f9;
  --bg-input:      #ffffff;
  --bg-user-msg:   #e8edff;
  --bg-ai-msg:     #ffffff;
  --border:        rgba(0,0,0,0.08);
  --accent:        #5b7fff;
  --accent-soft:   rgba(91,127,255,0.15);
  --accent-glow:   rgba(91,127,255,0.35);
  --text-primary:  #181a26;
  --text-secondary:#5a5f7a;
  --text-muted:    #a0a4b8;
  --tag-bg:        rgba(91,127,255,0.1);
  --scrollbar:     #d0d3e0;
  --send-bg:       #5b7fff;
  --send-hover:    #7a99ff;
  --shadow:        0 8px 40px rgba(0,0,0,0.08);
  --radius:        14px;
  --transition:    0.22s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="light"] {
  --bg-base:       #f4f5f9;
  --bg-sidebar:    #ffffff;
  --bg-chat:       #f4f5f9;
  --bg-input:      #ffffff;
  --bg-user-msg:   #e8edff;
  --bg-ai-msg:     #ffffff;
  --border:        rgba(0,0,0,0.08);
  --text-primary:  #181a26;
  --text-secondary:#5a5f7a;
  --text-muted:    #a0a4b8;
  --tag-bg:        rgba(91,127,255,0.1);
  --scrollbar:     #d0d3e0;
  --shadow:        0 8px 40px rgba(0,0,0,0.08);
}

html, body { height: 100%; font-family: Poppins, Helvetica, "sans-serif"; background: var(--bg-base); color: var(--text-primary); transition: background var(--transition), color var(--transition); } */
.theme-switching * {
    transition: none !important;
}
:root {
  --bg-base:       #0d0e12;
  --bg-sidebar:    #111318;
  --bg-chat:       #0d0e12;
  --bg-input:      #1a1c24;
  --bg-user-msg:   #1e2235;
  --bg-ai-msg:     #141720;
  --border:        rgba(255,255,255,0.07);
  --accent:        #5b7fff;
  --accent-soft:   rgba(91,127,255,0.15);
  --accent-glow:   rgba(91,127,255,0.35);
  --text-primary:  #eef0f7;
  --text-secondary:#8b8fa8;
  --text-muted:    #a9acbb;
  /* --text-muted:    #555a72; */
  --tag-bg:        rgba(91,127,255,0.12);
  --scrollbar:     #2a2d3a;
  --send-bg:       #5b7fff;
  --send-hover:    #7a99ff;
  --shadow:        0 8px 40px rgba(0,0,0,0.5);
  --radius:        14px;
  --transition:    0.22s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="light"] {
  --bg-base:       #f4f5f9;
  --bg-sidebar:    #ffffff;
  --bg-chat:       #f4f5f9;
  --bg-input:      #ffffff;
  --bg-user-msg:   #e8edff;
  --bg-ai-msg:     #ffffff;
  --border:        rgba(0,0,0,0.08);
  --text-primary:  #181a26;
  --text-secondary:#5a5f7a;
  --text-muted:    #a0a4b8;
  --tag-bg:        rgba(91,127,255,0.1);
  --scrollbar:     #d0d3e0;
  --shadow:        0 8px 40px rgba(0,0,0,0.08);
}

html, body { height: 100%; font-family: Poppins, Helvetica, "sans-serif"; background: var(--bg-base); color: var(--text-primary); transition: background var(--transition), color var(--transition); }

/* ── Layout ─────────────────────────────────── */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
  position: relative;
  height: 100dvh;
}

/* ── Sidebar ─────────────────────────────────── */
.sidebar {
  width: 350px;
  min-width: 350px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0;
  transition: background var(--transition);
  position: relative;
  transition: all 0.35s ease-in-out;
}

.sidebar-header {
  /* padding: 97px 20px 16px; */
  padding: 97px 20px 13px;
  border-bottom: 1px solid var(--border);
  transition: all 0.35s ease-in-out;
}

.logo {
  font-weight: bold;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  transition: all 0.35s ease-in-out;
}

.logo-icon {
  width: 32px; height: 32px;min-width: 32px;
  background: linear-gradient(135deg, #5b7fff, #a78bfa);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: #ffffff;
  box-shadow: 0 0 18px var(--accent-glow);
}

/* Dark/Light Toggle */
.theme-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.theme-label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.toggle-switch {
  position: relative;
  width: 46px; height: 24px;
  cursor: pointer;
  margin: 0;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-track {
  position: absolute; inset: 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 99px;
  transition: background var(--transition);
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  background: var(--accent);
  border-radius: 50%;
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), background var(--transition);
  box-shadow: 0 0 8px var(--accent-glow);
}

.toggle-switch input:checked + .toggle-track::after {
  transform: translateX(22px);
}

.toggle-icons {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5px;
  pointer-events: none;
  font-size: 0.6rem;
}

/* Prompt input in sidebar */
.sidebar-prompt {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-prompt label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.sidebar-input-wrap {
  display: flex;
  gap: 6px;
}

.sidebar-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.82rem;
  padding: 9px 12px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.sidebar-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.sidebar-input::placeholder { color: var(--text-muted); }

.sidebar-send-btn {
  width: 36px; height: 36px;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  transition: background var(--transition), transform 0.15s;
  flex-shrink: 0;
}

.sidebar-send-btn:hover { background: var(--send-hover); transform: scale(1.06); }

/* Prompt History */
.sidebar-history {
  flex: 1;
  overflow-y: auto;
  padding: 14px 20px;
}

.history-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 9px;
  cursor: pointer;
  transition: background var(--transition);
  margin-bottom: 4px;
  border: 1px solid transparent;
  color: var(--text-primary);
}
.history-item img {
  max-width: 20px;
  max-height: 20px;
}

.history-item:hover {
  background: var(--accent-soft);
  border-color: var(--border);
}

.history-item.active {
  background: var(--accent);
  border-color: rgba(91,127,255,0.3);
}
.history-item i {
  width: 16px;
  
  color: var(--text-primary);
}
.history-item.active .history-text,
.history-item.active i {
  color: #ffffff;
}

.history-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  opacity: 0.7;
}

.history-text {
  font-size: 1rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* Scrollbar styling */
.sidebar-history::-webkit-scrollbar { width: 4px; }
.sidebar-history::-webkit-scrollbar-track { background: transparent; }
.sidebar-history::-webkit-scrollbar-thumb { background: var(--scrollbar); border-radius: 99px; }

/* ── Main Chat Area ───────────────────────────── */
.chat-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* Top bar */
/* .topbar_chat {
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-chat);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  flex-shrink: 0;
} */
  .topbar_chat .header{
    position: fixed;
    width: 100%;
    left: 0;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border);
}
.topbar_chat .header-menu .menu-nav > .menu-item > .menu-link .menu-text {
    color: var(--text-primary) !important;
}
.topbar_chat  .topbar *{
  color:var(--text-primary) !important;
}

.topbar_chat .topbar .btn.btn-hover-transparent-white,
.topbar_chat .topbar .currencydrop-wrap > span,
.topbar_chat .topbar .bg-white-o-15{
  background-color: rgba(0,0,0,0.04) !important;
}
[data-theme="dark"] .topbar_chat .topbar .btn.btn-hover-transparent-white,
[data-theme="dark"] .topbar_chat .topbar .currencydrop-wrap > span,
[data-theme="dark"] .topbar_chat .topbar .bg-white-o-15{
  background-color: rgba(225,225,225, 0.1) !important;
}
[data-theme="dark"] .offcanvas-overlay {
    background: rgba(0, 0, 0, 0.3);
}
  [data-theme="dark"] .symbol .symbol-label,
  [data-theme="dark"] .bg-light{
    background-color: #2e3034 !important;
}
[data-theme="dark"] .text-dark-75,
[data-theme="dark"] .navi .navi-item .navi-link .navi-text,
[data-theme="dark"] .modal .modal-header .modal-title,
[data-theme="dark"] .modal .modal-header .close i, .modal .modal-header .close .ki {
    color: var(--text-primary) !important;
}
[data-theme="dark"] .offcanvas,
[data-theme="dark"] .modal-content {
  background: var(--bg-sidebar);
}
[data-theme="dark"] .modal-header {
  border-bottom: 1px solid #313540;
}
[data-theme="dark"] .modal-footer {
  border-top: 1px solid #313540;
}
[data-theme="dark"] .currency-item:hover {
    background-color: #313540;
}
[data-theme="dark"] .btn.btn-light {
  background-color: #272d32;
  border-color: #545454;
}
[data-theme="dark"] .swal2-popup,
[data-theme="dark"] .swal2-success-circular-line-left,
[data-theme="dark"] .swal2-success-circular-line-right,
[data-theme="dark"] .swal2-success-fix {
  background-color: #2a2a2a !important;
}
[data-theme="dark"] .swal2-popup .swal2-title {
    color: var(--text-primary) !important;
}
[data-theme="dark"] .swal2-popup .swal2-content {
  color: #fff;
}
[data-theme="dark"] .separator.separator-dashed {
    border-bottom: 1px dashed #48494c;
}
[data-theme="dark"] .currency-item.active {
  background-color: #006ce4;
  color: #f0f6fd;
}
[data-theme="dark"] .currency-item.active::before{
  filter: brightness(0) invert(1);
}
[data-theme="dark"] #file-preview {
  background: #282c3e;
  border: 1px solid #343b58;
  color: #ffffff;
}
.topbar_chat .header .header-logo a .logo-default{
  filter: none !important;
}
[data-theme="dark"] .topbar_chat .header .header-logo a .logo-default {
  filter: brightness(0) invert(1) !important;
}
[data-theme="dark"] .form-control {
  color: var(--text-primary);
  background-color: var(--bg-sidebar);
  border: 1px solid #313540;
}
[data-theme="dark"] .modal-backdrop {
  background-color: #6993ff;
}
.topbar-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.topbar-status {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 7px rgba(74,222,128,0.7);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.model-badge {
  background: var(--tag-bg);
  border: 1px solid rgba(91,127,255,0.25);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  letter-spacing: 0.3px;
}

/* Chat messages */
.chat-messages{
  flex: 1;
  padding: 150px 0 28px;
  scroll-behavior: smooth;
  overflow-y: auto;
}
.chat-messages::-webkit-scrollbar { width: 5px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--scrollbar); border-radius: 99px; }
.chat-messages-topbar {
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  padding: 20px 20px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  position: absolute;
  z-index:9;
  width: 100%;
  top: 80px;
}
.message-row {
  display: flex;
  gap: 14px;
  padding: 6px 28px;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
  animation: fadeUp 0.3s cubic-bezier(0.4,0,0.2,1);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.message-row.user { flex-direction: row-reverse; }

.avatar {
  width: 34px; height: 34px;
  border-radius: 10px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  /* font-size: 0.85rem; */
  font-weight: 700;
  margin-top: 2px;
}

.avatar.ai {
  background: linear-gradient(135deg, #5b7fff, #a78bfa);
  color: #fff;
  box-shadow: 0 0 16px var(--accent-glow);
}

.avatar.user {
  background: var(--bg-user-msg);
  border: 1px solid var(--border);
  color: var(--accent);
}

.bubble-wrap { display: flex; flex-direction: column; gap: 4px; max-width: 75%; }
.message-row.user .bubble-wrap { align-items: flex-end; }

.sender-name,
.chat-timestamp {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 0 4px;
}

.bubble {
  padding: 10px 15px;
  border-radius: var(--radius);
  font-size: 1rem;
  line-height: 1.2;
  color: var(--text-primary);
  word-break: break-word;
  position: relative;
  transition: background var(--transition);
}

.bubble.ai {
  background: var(--bg-ai-msg);
  border: 1px solid var(--border);
  border-top-left-radius: 4px;
}

.bubble.ai ul,
.bubble-main ul,
.bubble.ai ol,
.bubble-main ol{
  padding-left: 28px !important;
  margin-bottom: 24px !important;
}

.bubble li{
  font-size: 13px;
}

.bubble-main p{
  font-size: 1rem;
  line-height: normal;
  /* font-weight: 600; */
  margin-bottom: 10px;
}
.bubble-main p:last-child{margin-bottom: 0;}
.bubble-main ul li p,
.bubble-main ol li p {
  font-size: 1rem;
  font-weight: normal;
}

.bubble.user {
  /* background: var(--bg-user-msg); */
  background: var(--send-bg);
  border: 1px solid rgba(91,127,255,0.2);
  border-top-right-radius: 4px;
  color: white;
}

/* Searched files block */
.searched-files-block {
  background: var(--bg-ai-msg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 6px;
}

.searched-files-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.searched-files-header svg { opacity: 0.6; }

.file-tag {
  display: inline-flex;
  align-items: center;
  background: var(--tag-bg);
  border: 1px solid rgba(91,127,255,0.2);
  color: var(--accent);
  font-size: 0.75rem;
  padding: 3px 9px;
  border-radius: 6px;
  margin: 2px;
}

/* Result card */
.result-card {
  background: var(--bg-ai-msg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 6px;
}

.result-num {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.result-title {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.result-field {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 2px 0;
  display: flex;
  gap: 8px;
}

.result-field span:first-child { color: var(--text-muted); min-width: 90px; }

/* Thinking label */
.thinking-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 0 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.thinking-dots span {
  display: inline-block;
  width: 4px; height: 4px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: blink 1.4s ease-in-out infinite;
}
.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* ── Chat Input ───────────────────────────────── */
.chat-input-area {
  padding: 16px 28px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-chat);
  flex-shrink: 0;
}

.input-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 10px 10px 10px 18px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input-inner:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

#chat-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.5;
  resize: none;
  max-height: 160px;
  overflow-y: auto;
}

#chat-input::placeholder { color: var(--text-muted); }

#chat-input::-webkit-scrollbar { width: 3px; }
#chat-input::-webkit-scrollbar-thumb { background: var(--scrollbar); border-radius: 99px; }

.send-btn {
  width: 40px; height: 40px;
  background: var(--send-bg);
  border: none;
  border-radius: 11px;
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: background var(--transition), transform 0.15s, box-shadow var(--transition);
  flex-shrink: 0;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.send-btn:hover { background: var(--send-hover); transform: scale(1.07); box-shadow: 0 4px 20px var(--accent-glow); }
.send-btn:active { transform: scale(0.96); }

.new-chat-btn {
  width: 100px; height: 40px;
  background: var(--send-bg);
  border: none;
  border-radius: 11px;
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: background var(--transition), transform 0.15s, box-shadow var(--transition);
  flex-shrink: 0;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.new-chat-btn:hover { background: var(--send-hover); transform: scale(1.07); box-shadow: 0 4px 20px var(--accent-glow); }
.new-chat-btn:active { transform: scale(0.96); }

.input-hint {
  max-width: 860px;
  margin: 8px auto 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 14px;
  padding: 40px;
  text-align: center;
}

.empty-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #5b7fff, #a78bfa);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 0 30px var(--accent-glow);
  margin-bottom: 4px;
}

.empty-state h2 {
  font-size: 1.275rem;
  font-weight: 700;
  color: var(--text-primary);
}

.empty-state p {
  font-size: 1rem;
  color: var(--text-primary);
  max-width: 340px;
}

/* Separator */
.msg-separator {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin: 10px 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}
.msg-separator::before, .msg-separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Mobile Menu Button ───────────────────────── */
.menu-btn {
  display: none;
  align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 9px;
  cursor: pointer;
  color: var(--text-primary);
  transition: background var(--transition);
  flex-shrink: 0;
}
.menu-btn:hover { background: var(--accent-soft); }

/* Overlay backdrop */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 98;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.sidebar-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.bubble ul {
  padding-left: 20px;
  margin-top: 8px;
}
.bubble hr {
    margin-bottom: 15px;
}
  .bubble table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
}

  .bubble table, .bubble table th, .bubble table td {
  border: 1px solid #ccc;
}

.bubble table th, .bubble table td {
  padding: 8px;
  text-align: left;
}
.bubble li:not(:last-child) {
  margin-bottom:15px;
}

.send-btn:disabled, .new-chat-btn:disabled, .send-btn.noBalance {
  cursor: not-allowed !important;
  opacity: 0.5 !important;        
  box-shadow: none !important;  
}

.send-btn:enabled, .new-chat-btn:enabled {
  cursor: pointer;    
  opacity: 1;
}

.separator {
  border: none;           
  border-top: 1px solid var(--border);  
  margin: 5px 0;          
}
/* Close button inside sidebar (mobile) */
.sidebar-close {
  display: none;
  align-items: center; justify-content: center;
  width: 30px; height: 30px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1;
  margin-left: auto;
  transition: background var(--transition), color var(--transition);
}
.sidebar-close:hover { background: var(--accent-soft); color: var(--accent); }

.pdf-upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-right: 8px;
}
.pdf-upload-btn svg {
  width: 22px;
  height: 22px;
}
.pdf-upload-btn svg path{
  fill: var(--text-primary);
}
.pdf-upload-btn.disabled-upload-icon{cursor: not-allowed;}

.uploaded-image {
  max-width: 200px;
  max-height: 200px;
  border-radius: 8px;
}

.file-chip {
  display: inline-flex;
  align-items: center;
  background: #fffefe;
  padding: 6px 10px;
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 13px;
  gap: 6px;
}

.remove-file {
  cursor: pointer;
  margin-left: 8px;
}
/* Sidebar Search Style */
.sidebar-search {
      width: 100%;
}
.sidebar.select .sidebar-search,
.sidebar.select .sidebar-filter {
    transform: scale(0);
    display: none;
}
#search-input,
.sidebar-filter select{
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 1rem;
  line-height: 1.231;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  outline: none;
  color: var(--text-primary);
}
.sidebar-filter{
  margin-top: 5px;
}
#search-input:focus,
  .sidebar-filter select:focus { border-color: var(--send-bg)}
#search-input::placeholder { color: var(--text-muted); }
/**/
.theme-row >div {
  width: 100%;
}
.sidebar-toggle {
    width: 32px;
    min-width: 32px;
    height: 32px;
    position: relative;
    cursor: pointer;
    transform: rotate(0deg);
    transition: .3s ease-in-out;
    background: var(--bg-input);
    border: 1px solid var(--border);
    padding: 8px;
    box-sizing: border-box;
    border-radius: 4px;
}

.sidebar-toggle span {
    position: absolute;
    height: 2px;
    width: 20px;
    background: var(--text-primary);
    border-radius: 4px;
    transform: rotate(0deg);
    transition: .20s ease-in-out;
    left: 5px;
}

.sidebar-toggle.open span:nth-child(1) {
  top: 13px;
  transform: rotate(135deg);
}

.sidebar-toggle.open span:nth-child(2) {
  opacity: 0;
}

.sidebar-toggle.open span:nth-child(3) {
  top: 13px;
  transform: rotate(-135deg);
}

.sidebar-toggle span:nth-child(1) {
    top: 8px;
}

.sidebar-toggle span:nth-child(2) {
    top: 14px;
}

.sidebar-toggle span:nth-child(3) {
  top: 20px;
}
.sidebar.select {
    width: 52px;
    min-width: 52px;
    transition: all 0.35s ease-in-out;
}
.topbar_chat .container {
    max-width: 100%;
    padding: 0 20px;
}
.sidebar.select .toggle-switch{display: none;}
.sidebar.select .sidebar-header .logo,
.sidebar.select .theme-row .theme-label {
    font-size: 0;
    display: none;
    margin-bottom: 0;
}
.sidebar.select .sidebar-header {
  padding-left: 9px;
  padding-right: 9px;
}
.sidebar.select .sidebar-header .sidebar-toggle:hover{
  opacity:1;
}
.sidebar.select .sidebar-history {
    display: none;
}

#file-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;

  background: #f5f7fb;
  border: 1px solid #e3e6ef;
  border-radius: 10px;

  padding: 6px 10px;
  margin-top: 6px;

  max-width: 100%;
  font-size: 13px;
  color: #333;
}

#file-name {
  display: flex;
  align-items: center;
  gap: 6px;

  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;

  flex: 1;
}
p:last-child{
  margin-bottom: 0;
}
#chat-messages {
  overflow-y: auto;
  height: 100%;
}
#remove-file {
  border: none;
  background: transparent;
  color: #888;

  font-size: 16px;
  cursor: pointer;

  width: 24px;
  height: 24px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;
  transition: all 0.2s ease;
}

#remove-file:hover {
  background: #e4e7f2;
  color: #333;
}

#remove-file:active {
  transform: scale(0.9);
}
.download-btn {
  width: 32px; height: 32px;
  background: var(--send-bg);
  border: none;
  border-radius: 11px;
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: background var(--transition), transform 0.15s, box-shadow var(--transition);
  flex-shrink: 0;
  box-shadow: 0 2px 12px var(--accent-glow);
  margin-left: auto;
  margin-top: 5px;
}
.download-btn svg{width: 20px; height: 20px;}

.download-btn:hover { background: var(--send-hover); transform: scale(1.07); box-shadow: 0 4px 20px var(--accent-glow); }
#file-name svg,
.bubble.user > svg{
  width: 24px;
  height: 24px;
  vertical-align: middle;
}
[data-offcanvas-header-menu-wrapper="on"] .topbar_chat .header{
    position: absolute;
}

.chat-history{
  padding-top: 80px;
  height: 100%;
}
    
body .select2-container--default .select2-selection--multiple,
body .select2-container--default .select2-selection--single,
body .select2-container--default .select2-dropdown,
body .select2-container--default .select2-search--dropdown .select2-search__field{
  border: 1px solid var(--border) !important;
  background-color: var(--bg-input) !important;
  color: var(--text-primary);
}
body .select2-container--default .select2-selection--single .select2-selection__rendered{
  color: var(--text-primary);
}
[data-theme="dark"] .select2-container--default .select2-results__option.select2-results__option--highlighted,
[data-theme="dark"] .select2-container--default .select2-results__option[aria-selected=true] {
    background: var(--send-bg);
    color:var(--text-primary);
}
@media (max-width: 1199px) {
  .topbar_chat .container {
    max-width: 100%;
  }
}
@media (max-width: 991.98px) {
  .header-mobile{
    position: fixed;
    width: 100%;
    top: 0;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border);
  }
  .chat-messages {
    padding: 68px 0 28px;
  }
  .sidebar-header {
      padding: 68px 20px 16px;
  }
  .header-mobile .logo-default {
    filter: none;
  }
  [data-theme="dark"] .header-mobile .logo-default {
    filter: brightness(0) invert(1);
  }
  [data-theme="light"] .bg-white-o-15 {
    background-color: rgba(0, 0, 0, 0.06) !important;
  }
  body .text-white{
    color: var(--text-primary) !important;
  }
  .mobile-user svg path{
    fill: var(--text-primary) !important;
  }
  .header-mobile .burger-icon span,
  .header-mobile .burger-icon span::before, .header-mobile .burger-icon span::after{
    background-color: rgba(0, 0, 0, 0.7) !important;
  }
  [data-theme="dark"] .header-mobile .burger-icon span,
  [data-theme="dark"] .header-mobile .burger-icon span::before,  [data-theme="dark"] .header-mobile .burger-icon span::after{
    background-color: rgba(255, 255, 255, 0.7) !important;
  }
  .header-menu-wrapper,
  .header-menu-mobile{
    background: var(--bg-sidebar);
  }
  .header-menu-wrapper{
    padding-top: 60px;
  }
  .header-menu-mobile .menu-nav > .menu-item:not(.menu-item-parent):not(.menu-item-open):not(.menu-item-here):not(.menu-item-active):hover > .menu-heading, .header-menu-mobile .menu-nav > .menu-item:not(.menu-item-parent):not(.menu-item-open):not(.menu-item-here):not(.menu-item-active):hover > .menu-link {
    background-color: var(--accent);
  }
  
  [data-offcanvas-header-menu-wrapper="on"] .header-menu-wrapper{
    padding-top: 10px;
  }
  .chat-messages-topbar {
    padding: 10px 20px;
    top: 55px;
  }
  .chat-history {
    padding-top: 40px;
  }
}
/* ── Tablet (≤900px) ─────────────────────────── */
@media (max-width: 900px) {
  .sidebar {
    width: 260px;
    min-width: 260px;
  }
  .message-row { padding: 6px 18px; }
  .topbar_chat { padding: 14px 18px; }
  .chat-input-area { padding: 12px 18px 16px; }
  .logo { font-size: 1.1rem; }
  
  .chat-history {
    padding-top: 10px;
  }
}
/* ── Mobile (≤680px) ─────────────────────────── */
@media (max-width: 680px) {
  /* Show hamburger */
  .menu-btn {
    display: flex;
    position: fixed;
    top: 60px;
    left: 16px;
    z-index: 98;
    height: 28px;
    width: 28px;
  }
  .chat-history {
    padding-top: 20px;
  }
  .sidebar-header {
    padding: 16px 20px 16px;
  }
  /* Sidebar becomes a drawer */
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 290px;
    min-width: unset;
    z-index: 99;
    transform: translateX(-100%);
    transition: transform 0.32s cubic-bezier(0.4,0,0.2,1), background var(--transition);
    
  }

  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 40px rgba(0,0,0,0.4); }

  /* Show overlay when sidebar open */
  .sidebar-overlay { display: block; pointer-events: none; }

  /* Show close button */
  .sidebar-close { display: flex; }

  /* Adjust logo row to fit close button */
  .logo { margin-bottom: 10px; }

  .topbar_chat { padding: 12px 14px; gap: 8px; }
  /* .topbar-title { font-size: 0.9rem; } */
  .model-badge { display: none; }

  .message-row { padding: 5px 12px; }
  .bubble-wrap { max-width: 88%; }
  /* .bubble { font-size: 0.85rem; padding: 11px 14px; } */
  .bubble { padding: 11px 14px; }

  .chat-input-area { padding: 10px 12px 14px; }
  .input-inner { border-radius: 13px; padding: 8px 8px 8px 14px; }
  /* #chat-input { font-size: 0.88rem; } */
  .send-btn { width: 36px; height: 36px; border-radius: 9px; }

  /* .input-hint { font-size: 0.68rem; } */

  .result-field { flex-direction: column; gap: 2px; }
  .result-field span:first-child { min-width: unset; }

  .searched-files-block, .result-card { padding: 10px 12px; }
  /* .file-tag { font-size: 0.7rem; padding: 2px 7px; } */
  .file-tag { padding: 2px 7px; }

  .empty-state { padding: 24px 20px; }
  .empty-state h2 { font-size: 1rem; }
  /* .empty-state p { font-size: 0.8rem; } */
  .sidebar .sidebar-toggle{display: none;}
  .new-chat-btn {
    width: 90px;
    height: 36px;
    border-radius: 8px;
  }
  .chat-messages-topbar {
    top: 55px;
    padding: 8px 17px 8px 55px;
    z-index: 97;
  }
}

/* ── Small phones (≤380px) ───────────────────── */
@media (max-width: 380px) {
  .bubble-wrap { max-width: 94%; }
  .avatar { width: 28px; height: 28px; border-radius: 8px; }
  .bubble { padding: 10px 12px; }
  /*.avatar { width: 28px; height: 28px; font-size: 0.75rem; border-radius: 8px; }*/
  /*.bubble { font-size: 0.82rem; padding: 10px 12px; }*/
}