/* ---- APP SHELL ---- */
.app-body {
  overflow: hidden;
  height: 100vh;
}

.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ---- SIDEBAR ---- */
.sidebar {
  width: 260px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-right: 1px solid var(--glass-border);
  padding: 0;
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--glass-border);
}

.sidebar-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.new-chat-btn {
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.new-chat-btn:hover {
  background: var(--glass-highlight);
  color: var(--text-primary);
  border-color: rgba(108, 92, 231, 0.3);
}

.sidebar-section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 16px 16px 8px;
}

.conversations-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px;
}

.conversations-list::-webkit-scrollbar { width: 4px; }
.conversations-list::-webkit-scrollbar-track { background: transparent; }
.conversations-list::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 2px; }

.convo-empty {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  padding: 32px 16px;
  line-height: 1.7;
}

.convo-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 0.83rem;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}

.convo-item:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.convo-item.active {
  background: rgba(108, 92, 231, 0.12);
  border: 1px solid rgba(108, 92, 231, 0.2);
  color: var(--text-primary);
}

.convo-label {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.convo-more-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
  flex-shrink: 0;
}

.convo-item:hover .convo-more-btn { opacity: 1; }
.convo-more-btn:hover { color: var(--text-primary); }

/* ---- CONVERSATION CONTEXT MENU ---- */
.convo-context-menu {
  position: fixed;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-neumorphic);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 200;
  min-width: 140px;
  overflow: hidden;
}

.convo-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  text-align: left;
}

.convo-menu-item:hover { background: var(--bg-glass); color: var(--text-primary); }
.convo-menu-item.danger:hover { background: rgba(255, 118, 117, 0.08); color: #ff7675; }

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--glass-border);
}

.user-chip {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

#user-name-display {
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logout-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

.logout-btn:hover { color: var(--text-secondary); }

/* ---- CHAT MAIN ---- */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* ---- EMPTY STATE ---- */
.chat-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  position: relative;
  overflow: hidden;
}

.empty-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(108, 92, 231, 0.1) 0%, rgba(0, 206, 201, 0.05) 40%, transparent 70%);
  pointer-events: none;
}

.empty-content {
  position: relative;
  z-index: 1;
  max-width: 580px;
  text-align: center;
}

.empty-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
}

.empty-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 8px rgba(0, 206, 201, 0.8);
}

.empty-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.empty-sub {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 36px;
}

.suggestion-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.chip {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.83rem;
  padding: 10px 16px;
  cursor: pointer;
  transition: all 0.2s;
  backdrop-filter: blur(12px);
  text-align: left;
}

.chip:hover {
  background: var(--glass-highlight);
  border-color: rgba(108, 92, 231, 0.25);
  color: var(--text-primary);
  box-shadow: 0 0 20px rgba(108, 92, 231, 0.08);
}

/* ---- MESSAGES ---- */
.messages-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.messages-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 32px 24px 8px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
}

.messages-scroll::-webkit-scrollbar { width: 4px; }
.messages-scroll::-webkit-scrollbar-track { background: transparent; }
.messages-scroll::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 2px; }

.message {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 85%;
}

.message-user {
  align-self: flex-end;
}

.message-assistant {
  align-self: flex-start;
}

.agent-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-left: 2px;
}

.message-content {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  line-height: 1.7;
}

.message-user .message-content {
  background: rgba(108, 92, 231, 0.15);
  border: 1px solid rgba(108, 92, 231, 0.2);
  color: var(--text-primary);
  border-bottom-right-radius: 4px;
}

.message-assistant .message-content {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-neumorphic);
}

.message-assistant .message-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.message-assistant .message-content code {
  background: rgba(108, 92, 231, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85em;
  color: var(--accent-2);
}

.message-in {
  animation: messageIn 0.25s ease-out;
}

@keyframes messageIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- TYPING INDICATOR ---- */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  border-bottom-left-radius: 4px;
  backdrop-filter: blur(12px);
  width: fit-content;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typing 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}

/* ---- INPUT AREA ---- */
.input-area {
  padding: 16px 24px 20px;
  border-top: 1px solid var(--glass-border);
  background: var(--bg-secondary);
}

.input-wrapper {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
  align-items: flex-end;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 8px 8px 8px 16px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-neumorphic);
  transition: border-color 0.2s;
}

.input-wrapper:focus-within {
  border-color: rgba(108, 92, 231, 0.3);
  box-shadow: var(--shadow-neumorphic), 0 0 20px rgba(108, 92, 231, 0.08);
}

.chat-textarea {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.6;
  resize: none;
  min-height: 24px;
  max-height: 160px;
  overflow-y: auto;
}

.chat-textarea::placeholder { color: var(--text-muted); }

.chat-textarea::-webkit-scrollbar { width: 3px; }
.chat-textarea::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 2px; }

.send-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient-main);
  border: none;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.15s, transform 0.1s;
}

.send-btn:hover:not(:disabled) { opacity: 0.88; transform: scale(1.04); }
.send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.input-footer {
  max-width: 760px;
  margin: 8px auto 0;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
}

/* ---- AUTH MODAL ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-glow), var(--shadow-neumorphic);
  backdrop-filter: blur(40px);
}

.modal-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  margin-bottom: 28px;
}

.modal-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 24px;
}

.tab-btn {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.auth-input {
  width: 100%;
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 12px 14px;
  margin-bottom: 12px;
  outline: none;
  transition: border-color 0.2s;
}

.auth-input:focus { border-color: rgba(108, 92, 231, 0.4); }
.auth-input::placeholder { color: var(--text-muted); }

.auth-error {
  font-size: 0.82rem;
  color: #ff7675;
  margin-bottom: 12px;
  padding: 8px 12px;
  background: rgba(255, 118, 117, 0.1);
  border: 1px solid rgba(255, 118, 117, 0.2);
  border-radius: 8px;
}

.auth-submit {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--gradient-main);
  color: white;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
  margin-top: 4px;
}

.auth-submit:hover:not(:disabled) { opacity: 0.88; }
.auth-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---- USER INFO / RISK BADGE ---- */
.user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

#user-name-display {
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.risk-badge {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 100px;
  width: fit-content;
}

.risk-conservative { background: rgba(0, 184, 148, 0.15); color: #00b894; border: 1px solid rgba(0, 184, 148, 0.25); }
.risk-moderate     { background: rgba(108, 92, 231, 0.15); color: #a29bfe; border: 1px solid rgba(108, 92, 231, 0.25); }
.risk-aggressive   { background: rgba(255, 118, 117, 0.15); color: #ff7675; border: 1px solid rgba(255, 118, 117, 0.25); }

.user-chip {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.user-chip:hover { background: var(--bg-glass); }

/* ---- ONBOARDING MODAL ---- */
.onboarding-card {
  max-width: 440px;
}

.onboarding-sub {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 28px;
}

.risk-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.risk-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
  width: 100%;
}

.risk-btn:hover {
  background: var(--glass-highlight);
  border-color: rgba(108, 92, 231, 0.3);
}

.risk-btn.selected {
  background: rgba(108, 92, 231, 0.1);
  border-color: rgba(108, 92, 231, 0.5);
  box-shadow: 0 0 0 1px rgba(108, 92, 231, 0.2);
}

.risk-icon { font-size: 1.4rem; flex-shrink: 0; }

.risk-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.risk-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---- MOBILE HEADER ---- */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--glass-border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.mobile-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mobile-menu-btn,
.mobile-new-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}
.mobile-menu-btn:hover,
.mobile-new-btn:hover { color: var(--text-primary); }

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 40;
}
.sidebar-overlay.visible { display: block; }

/* ---- MARKDOWN TABLE ---- */
.md-table-wrap {
  overflow-x: auto;
  margin: 10px 0;
  border-radius: var(--radius-sm);
}

.md-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.md-table th {
  background: rgba(108, 92, 231, 0.12);
  color: var(--text-primary);
  font-weight: 600;
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
}

.md-table td {
  padding: 7px 12px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.md-table tr:last-child td { border-bottom: none; }
.md-table tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* ---- MESSAGE CONTENT HEADINGS + LISTS ---- */
.message-content h3,
.message-content h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
  margin: 10px 0 4px;
}

.message-content h3 { font-size: 1rem; }
.message-content h4 { font-size: 0.92rem; }

.message-content p { margin: 4px 0; }

.message-content li {
  padding: 2px 0;
  padding-left: 14px;
  position: relative;
  color: var(--text-secondary);
  list-style: none;
}

.message-content li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent-1);
  font-weight: 700;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .mobile-header { display: flex; }

  .sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    bottom: 0;
    z-index: 50;
    transition: left 0.25s ease;
  }

  .sidebar.open { left: 0; }

  .chat-main { width: 100%; }

  .messages-scroll { padding: 20px 16px 8px; }

  .input-area { padding: 12px 16px 16px; }

  .empty-title { font-size: 1.6rem; }

  .suggestion-chips { gap: 8px; }
  .chip { font-size: 0.8rem; padding: 8px 12px; }

  .modal-card { margin: 16px; }

  .risk-options { gap: 8px; }
  .risk-btn { padding: 12px 14px; }
}