/* ── Custom Properties ── */
:root {
  color-scheme: light;
  --kora-primary: #B85C3F;
  --kora-primary-hover: #A64F35;
  --kora-primary-soft: #FBEDE8;
  --kora-primary-text: #ffffff;
  --kora-bg: #F0ECE6;
  --kora-surface: #FFFFFF;
  --kora-surface-elevated: #FFFFFF;
  --kora-canvas: #FAF8F5;
  --kora-card: #F3EFEA;
  --kora-bubble-user: #B85C3F;
  --kora-bubble-user-text: #ffffff;
  --kora-bubble-assistant: #FFFFFF;
  --kora-bubble-assistant-text: #1C1917;
  --kora-text: #1C1917;
  --kora-text-secondary: #57534E;
  --kora-text-tertiary: #706A66;
  --kora-border: #E7E2DD;
  --kora-border-strong: #D8D1CB;
  --kora-font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --kora-radius-window: 24px;
  --kora-radius-bubble: 18px;
  --kora-radius-card: 14px;
  --kora-radius-btn: 11px;
  --kora-radius-input: 18px;
  --kora-shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.05), 0 5px 16px rgba(28, 25, 23, 0.04);
  --kora-shadow: 0 24px 70px rgba(28, 25, 23, 0.16), 0 8px 24px rgba(28, 25, 23, 0.08);
  --kora-window-w: 408px;
  --kora-window-h: 650px;
  --kora-transition: 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Dark Mode ── */
[data-theme="dark"] {
  color-scheme: dark;
  --kora-primary: #F0A083;
  --kora-primary-hover: #F6B097;
  --kora-primary-soft: rgba(240, 160, 131, 0.13);
  --kora-bg: #0C0A09;
  --kora-surface: #1C1917;
  --kora-surface-elevated: #25211F;
  --kora-canvas: #151311;
  --kora-card: #292522;
  --kora-bubble-user: #B85C3F;
  --kora-bubble-assistant: #25211F;
  --kora-bubble-assistant-text: #FAFAF9;
  --kora-text: #FAFAF9;
  --kora-text-secondary: #D6D3D1;
  --kora-text-tertiary: #A8A29E;
  --kora-border: #3C3734;
  --kora-border-strong: #514A46;
  --kora-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.18), 0 8px 20px rgba(0, 0, 0, 0.12);
  --kora-shadow: 0 28px 80px rgba(0, 0, 0, 0.42), 0 10px 30px rgba(0, 0, 0, 0.28);
}

/* ── Reset ── */
.kora-toggle,
.kora-window,
.kora-window *,
.kora-window *::before,
.kora-window *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Toggle Button ── */
.kora-toggle {
  position: fixed;
  bottom: max(24px, env(safe-area-inset-bottom));
  right: max(24px, env(safe-area-inset-right));
  width: 58px;
  height: 58px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: linear-gradient(145deg, #C96B4B 0%, #A84E34 100%);
  color: white;
  cursor: pointer;
  transform: rotate(45deg);
  box-shadow: 0 12px 30px rgba(168, 78, 52, 0.3), 0 3px 10px rgba(28, 25, 23, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
  z-index: 9998;
  -webkit-tap-highlight-color: transparent;
}

.kora-toggle[hidden] {
  display: none;
}

.kora-toggle:hover {
  transform: rotate(45deg) translate(-2px, -2px) scale(1.04);
  box-shadow: 0 16px 36px rgba(168, 78, 52, 0.34), 0 5px 14px rgba(28, 25, 23, 0.14);
  filter: saturate(1.05);
}

.kora-toggle:active {
  transform: rotate(45deg) scale(0.97);
}

.kora-toggle:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 3px;
}

.kora-toggle__inner {
  transform: rotate(-45deg);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Chat Window ── */
.kora-window {
  position: fixed;
  bottom: max(24px, env(safe-area-inset-bottom));
  right: max(24px, env(safe-area-inset-right));
  width: var(--kora-window-w);
  height: min(var(--kora-window-h), calc(100vh - 48px));
  height: min(var(--kora-window-h), calc(100dvh - 48px));
  background: var(--kora-surface);
  border-radius: var(--kora-radius-window);
  border: 1px solid var(--kora-border);
  box-shadow: var(--kora-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 9999;
  font-family: var(--kora-font);
  font-size: 14px;
  line-height: 1.45;
  color: var(--kora-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  opacity: 0;
  transform: translateY(14px) scale(0.985);
  transform-origin: bottom right;
  transition: opacity var(--kora-transition), transform var(--kora-transition);
  pointer-events: none;
}

.kora-window[hidden] {
  display: flex;
}

.kora-window.kora-window--open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.kora-window:focus {
  outline: none;
}

/* ── Header ── */
.kora-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 12px 13px 12px 16px;
  background: var(--kora-surface);
  border-bottom: 1px solid var(--kora-border);
  position: relative;
  flex-shrink: 0;
}

.kora-header__logo {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.kora-logo-svg {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 4px 7px rgba(184, 92, 63, 0.18));
}

.kora-header__brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.kora-header__title {
  font-weight: 600;
  font-size: 15.5px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--kora-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kora-header__status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  line-height: 1.2;
  color: var(--kora-text-tertiary);
  font-weight: 400;
}

.kora-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
}

.kora-status-dot[data-state="paused"] {
  background: #f59e0b;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

.kora-status-dot[data-state="human"] {
  background: #6366f1;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.kora-status-dot[data-state="unavailable"] {
  background: #a8a29e;
  box-shadow: none;
}

.kora-header__actions {
  display: flex;
  align-items: center;
  gap: 3px;
  position: relative;
  flex-shrink: 0;
}

.kora-header__action-btn {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--kora-text-secondary);
  cursor: pointer;
  padding: 0;
  border-radius: var(--kora-radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 150ms, border-color 150ms, color 150ms, transform 150ms;
}

.kora-header__action-btn:hover {
  background: var(--kora-primary-soft);
  border-color: rgba(184, 92, 63, 0.14);
  color: var(--kora-primary);
}

.kora-header__action-btn:active {
  transform: scale(0.94);
}

.kora-header__action-btn:disabled {
  opacity: 0.45;
  cursor: wait;
}

.kora-header__close {
  color: var(--kora-text);
}

.kora-header__action-btn:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 2px;
}

/* ── Dropdown Menu ── */
.kora-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 39px;
  padding: 6px;
  background: var(--kora-surface-elevated);
  border: 1px solid var(--kora-border-strong);
  border-radius: var(--kora-radius-card);
  box-shadow: 0 16px 40px rgba(28, 25, 23, 0.16), 0 4px 12px rgba(28, 25, 23, 0.08);
  min-width: 172px;
  z-index: 10;
  overflow: hidden;
}

.kora-menu[hidden] {
  display: none;
}

.kora-menu__item {
  display: block;
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  border: none;
  background: none;
  color: var(--kora-text);
  font-family: var(--kora-font);
  font-size: 14px;
  font-weight: 500;
  border-radius: 9px;
  text-align: left;
  cursor: pointer;
  transition: background 150ms;
}

.kora-menu__item:hover {
  background: var(--kora-primary-soft);
  color: var(--kora-primary);
}

.kora-menu__item:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: -2px;
}

/* ── Error Banner ── */
.kora-error {
  min-height: 42px;
  padding: 8px 12px 8px 16px;
  background: #fef2f2;
  color: #dc2626;
  border-left: 3px solid #dc2626;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.kora-error[hidden] {
  display: none;
}

.kora-error__dismiss {
  margin-left: auto;
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  color: #dc2626;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0;
  border-radius: 9px;
  flex-shrink: 0;
  transition: background 150ms, transform 150ms;
}

.kora-error__dismiss:hover {
  background: rgba(220, 38, 38, 0.09);
}

.kora-error__dismiss:active {
  transform: scale(0.94);
}

.kora-error__dismiss:focus-visible {
  outline: 2px solid #dc2626;
  outline-offset: 1px;
}

[data-theme="dark"] .kora-error {
  background: #3a1717;
  color: #fca5a5;
  border-left-color: #ef4444;
}

[data-theme="dark"] .kora-error__dismiss {
  color: #fca5a5;
}

/* ── Takeover Banner ── */
.kora-takeover {
  min-height: 42px;
  padding: 8px 16px;
  background: #ecfdf5;
  color: #047857;
  border-left: 3px solid #10b981;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.kora-takeover[hidden] {
  display: none;
}

.kora-takeover__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  flex-shrink: 0;
  animation: kora-pulse-dot 1.6s ease-in-out infinite;
}

[data-theme="dark"] .kora-takeover {
  background: #052e24;
  color: #6ee7b7;
}

@keyframes kora-pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

.kora-msg__operator-badge {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 600;
  color: #047857;
  background: #d1fae5;
  border-radius: 10px;
  vertical-align: middle;
}

/* ── Body / Content Area ── */
.kora-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 16px 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--kora-canvas);
  overscroll-behavior: contain;
  scrollbar-color: var(--kora-border-strong) transparent;
}

.kora-body::-webkit-scrollbar {
  width: 4px;
}

.kora-body::-webkit-scrollbar-thumb {
  background: var(--kora-border-strong);
  border-radius: 4px;
}

/* ── Welcome State ── */
.kora-welcome {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 2px 12px;
}

.kora-welcome[hidden] {
  display: none;
}

.kora-welcome__logo-wrap {
  width: 76px;
  height: 76px;
  margin-bottom: 20px;
  border: 1px solid rgba(184, 92, 63, 0.14);
  border-radius: 25px;
  background: linear-gradient(145deg, var(--kora-surface-elevated), var(--kora-primary-soft));
  box-shadow: 0 14px 32px rgba(184, 92, 63, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  display: grid;
  place-items: center;
}

.kora-welcome__logo-wrap svg {
  width: 58px;
  height: 58px;
}

.kora-welcome__greeting {
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 650;
  color: var(--kora-text);
  margin-bottom: 8px;
  text-align: center;
}

.kora-welcome__subtitle {
  max-width: 310px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--kora-text-secondary);
  margin-bottom: 26px;
  text-align: center;
}

.kora-welcome__faqs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  padding: 0;
}

.kora-welcome__faq {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  gap: 12px;
  background: var(--kora-surface-elevated);
  border: 1px solid var(--kora-border-strong);
  border-radius: var(--kora-radius-card);
  padding: 10px 10px 10px 15px;
  font-family: var(--kora-font);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--kora-text-secondary);
  text-align: left;
  cursor: pointer;
  box-shadow: var(--kora-shadow-sm);
  transition: border-color 150ms, background 150ms, box-shadow 150ms, color 150ms, transform 150ms;
}

.kora-welcome__faq:hover {
  border-color: var(--kora-primary);
  background: var(--kora-surface-elevated);
  color: var(--kora-text);
  box-shadow: 0 8px 24px rgba(28, 25, 23, 0.09);
  transform: translateY(-1px);
}

.kora-welcome__faq:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 1px;
}

.kora-welcome__faq-arrow {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  color: var(--kora-text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--kora-primary-soft);
  transition: transform 150ms, color 150ms;
}

.kora-welcome__faq:hover .kora-welcome__faq-arrow {
  transform: translateX(3px);
  color: var(--kora-primary);
}

/* ── Messages ── */
.kora-messages {
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
  min-height: min-content;
  padding-bottom: 4px;
}

.kora-msg {
  margin-top: 16px;
}

.kora-msg:first-child {
  margin-top: 0;
}

.kora-msg--grouped {
  margin-top: 5px;
}

.kora-msg__avatar-spacer {
  width: 32px;
  flex-shrink: 0;
}

.kora-messages[hidden] {
  display: none;
}

/* ── Single Message ── */
@keyframes kora-msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.kora-msg {
  display: flex;
  flex-direction: column;
  max-width: 96%;
  animation: kora-msg-in 200ms ease forwards;
}

.kora-msg--user {
  align-self: flex-end;
  align-items: flex-end;
  max-width: 84%;
}

.kora-msg--assistant {
  align-self: flex-start;
  align-items: flex-start;
}

.kora-msg__row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  min-width: 0;
  max-width: 100%;
}

.kora-msg--assistant .kora-msg__row {
  flex-direction: row;
  width: 100%;
}

.kora-msg--user .kora-msg__row {
  flex-direction: row-reverse;
}

.kora-msg__avatar {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  color: var(--kora-primary);
  background: var(--kora-primary-soft);
  border: 1px solid rgba(184, 92, 63, 0.16);
  border-radius: 11px;
  overflow: hidden;
}

.kora-msg__avatar > svg {
  display: block;
}

.kora-msg--operator .kora-msg__avatar,
.kora-typing .kora-msg__avatar {
  color: #6366f1;
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.22);
}

.kora-msg__bubble {
  padding: 11px 14px;
  border-radius: var(--kora-radius-bubble);
  line-height: 1.55;
  word-wrap: break-word;
  overflow: hidden;
  min-width: 0;
  max-width: 100%;
}

.kora-msg--user .kora-msg__bubble,
.kora-msg--user .kora-msg__text {
  white-space: pre-wrap;
}

.kora-msg--user .kora-msg__bubble {
  background: var(--kora-bubble-user);
  color: var(--kora-bubble-user-text);
  border-bottom-right-radius: 4px;
  box-shadow: 0 5px 16px rgba(168, 78, 52, 0.16);
}

.kora-msg--assistant .kora-msg__bubble {
  background: var(--kora-bubble-assistant);
  color: var(--kora-bubble-assistant-text);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--kora-border);
  box-shadow: var(--kora-shadow-sm);
}

.kora-msg__sender-label {
  display: block;
  margin-bottom: 4px;
  color: #4f46e5;
  font-size: 11px;
  line-height: 1.2;
  font-weight: 600;
}

[data-theme="dark"] .kora-msg__sender-label {
  color: #a5b4fc;
}

.kora-msg__footer {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 5px;
  padding-left: 40px;
}

.kora-msg__time {
  font-size: 10.5px;
  color: var(--kora-text-tertiary);
  margin-top: 4px;
  line-height: 1;
}

.kora-msg__footer .kora-msg__time {
  margin-left: auto;
  margin-top: 0;
}

.kora-msg--user .kora-msg__time {
  align-self: flex-end;
}

.kora-msg__error {
  font-size: 12px;
  color: #dc2626;
  margin-top: 4px;
  font-style: italic;
}

.kora-msg__stopped {
  font-size: 11px;
  color: var(--kora-text-tertiary);
  margin-top: 4px;
  font-style: italic;
}

.kora-msg--event {
  align-self: center;
  font-size: 12px;
  color: var(--kora-text-tertiary);
  background: var(--kora-card);
  border: 1px solid var(--kora-border);
  border-radius: 20px;
  padding: 5px 14px;
  text-align: center;
  margin: 6px 0;
}

/* ── Escalation Card ── */
.kora-escalation-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--kora-radius-card);
  padding: 12px 14px;
  /* Line up with the assistant bubble (avatar 32px + row gap 8px = 40px) and
     stretch to the bubble's width instead of shrinking to the card's content. */
  align-self: stretch;
  margin: 8px 0 0 40px;
  max-width: calc(100% - 40px);
  font-size: 13px;
}

.kora-escalation-card__icon {
  color: #16a34a;
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
}

.kora-escalation-card__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: #166534;
}

.kora-escalation-card__body strong {
  font-weight: 600;
}

.kora-escalation-card__body span {
  font-size: 12px;
  opacity: 0.8;
}

[data-theme="dark"] .kora-escalation-card {
  background: #052e24;
  border-color: #166534;
}

[data-theme="dark"] .kora-escalation-card__body {
  color: #bbf7d0;
}

/* ── Thinking / Tool Collapsibles ── */
.kora-msg__aux {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0 0 5px 40px;
  max-width: calc(100% - 40px);
}

.kora-msg__think,
.kora-msg__tool {
  background: var(--kora-surface-elevated);
  border: 1px solid var(--kora-border);
  border-radius: 12px;
  font-size: 12px;
  color: var(--kora-text-secondary);
  overflow: hidden;
}

.kora-msg__think > summary,
.kora-msg__tool > summary {
  min-height: 34px;
  padding: 7px 10px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  color: var(--kora-text-secondary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.kora-msg__think > summary::-webkit-details-marker,
.kora-msg__tool > summary::-webkit-details-marker {
  display: none;
}

.kora-msg__think > summary::before,
.kora-msg__tool > summary::before {
  content: "▶";
  display: inline-block;
  transition: transform 150ms;
  font-size: 9px;
  color: var(--kora-text-tertiary);
}

.kora-msg__think[open] > summary::before,
.kora-msg__tool[open] > summary::before {
  transform: rotate(90deg);
}

.kora-msg__think-body {
  padding: 6px 10px 8px 10px;
  border-top: 1px solid var(--kora-border);
  white-space: pre-wrap;
  font-family: var(--kora-font);
  font-size: 12px;
  line-height: 1.5;
  max-height: 240px;
  overflow-y: auto;
  color: var(--kora-text-secondary);
}

.kora-msg__tool-body {
  padding: 6px 10px 8px 10px;
  border-top: 1px solid var(--kora-border);
}

.kora-msg__tool-section {
  margin-bottom: 6px;
}

.kora-msg__tool-body strong {
  display: block;
  font-size: 11px;
  color: var(--kora-text);
  margin-bottom: 2px;
}

.kora-msg__tool-body pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 8px;
  border-radius: 6px;
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-x: auto;
  margin: 2px 0 0 0;
  max-height: 200px;
}

.kora-msg__tool code {
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--kora-text);
}

.kora-msg__tool-result-slot {
  margin-top: 6px;
}

.kora-msg__tool-spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid var(--kora-border);
  border-top-color: var(--kora-primary);
  border-radius: 50%;
  animation: kora-spin 800ms linear infinite;
  flex-shrink: 0;
}

@keyframes kora-spin {
  to { transform: rotate(360deg); }
}

.kora-msg__tool-check {
  color: #16a34a;
  font-weight: 700;
}

.kora-msg__tool-err {
  color: #dc2626;
  font-weight: 700;
}

/* ── Reaction Bar ── */
.kora-reaction {
  display: flex;
  gap: 3px;
}

.kora-reaction__btn {
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  border-radius: 9px;
  padding: 0;
  cursor: pointer;
  color: var(--kora-text-tertiary);
  transition: color 150ms, background 150ms;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kora-reaction__btn:hover {
  color: var(--kora-text-secondary);
  background: var(--kora-card);
}

.kora-reaction__btn--active {
  color: var(--kora-primary);
}

.kora-reaction__btn--active:hover {
  color: var(--kora-primary-hover);
  background: var(--kora-primary-soft);
}

.kora-reaction__btn:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 1px;
}

/* ── Inline typing dots ── */
.kora-msg__typing {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  padding: 2px 0;
}

/* ── Typing Indicator ── */
.kora-typing {
  align-self: flex-start;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-top: 12px;
}

.kora-typing[hidden] {
  display: none;
}

.kora-typing__bubble {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: var(--kora-bubble-assistant);
  border-radius: var(--kora-radius-bubble);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--kora-border);
  box-shadow: var(--kora-shadow-sm);
}

.kora-typing__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kora-text-tertiary);
  animation: kora-bounce 1.4s infinite ease-in-out both;
}

.kora-typing__dot:nth-child(1) { animation-delay: 0s; }
.kora-typing__dot:nth-child(2) { animation-delay: 0.16s; }
.kora-typing__dot:nth-child(3) { animation-delay: 0.32s; }

@keyframes kora-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ── Footer ── */
.kora-footer {
  padding: 12px 14px 14px;
  background: var(--kora-surface);
  border-top: 1px solid var(--kora-border);
  flex-shrink: 0;
  box-shadow: 0 -10px 30px rgba(28, 25, 23, 0.035);
}

.kora-footer__card {
  background: var(--kora-surface-elevated);
  border: 1px solid var(--kora-border-strong);
  border-radius: var(--kora-radius-input);
  transition: border-color 150ms, box-shadow 150ms;
  overflow: hidden;
  padding: 5px;
  box-shadow: var(--kora-shadow-sm);
}

.kora-footer__card:focus-within {
  border-color: var(--kora-primary);
  box-shadow: 0 0 0 3px var(--kora-primary-soft), var(--kora-shadow-sm);
}

.kora-attach-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding: 8px 9px;
  background: var(--kora-canvas);
  border: 1px solid var(--kora-border);
  border-radius: 12px;
}

.kora-attach-preview[hidden] {
  display: none;
}

.kora-attach-thumb {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 9px;
  flex-shrink: 0;
}

.kora-attach-name {
  flex: 1;
  font-size: 12px;
  color: var(--kora-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kora-attach-remove {
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  color: var(--kora-text-tertiary);
  cursor: pointer;
  padding: 0;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 150ms, background 150ms;
}

.kora-attach-remove:hover {
  color: #dc2626;
  background: #fef2f2;
}

.kora-attach-remove:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 1px;
}

[data-theme="dark"] .kora-attach-remove:hover {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.14);
}

.kora-footer__input-row {
  display: flex;
  align-items: flex-end;
  gap: 4px;
}

.kora-footer__attach {
  background: transparent;
  border: none;
  color: var(--kora-text-tertiary);
  cursor: pointer;
  width: 38px;
  height: 38px;
  padding: 0;
  margin-left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 12px;
  transition: color 150ms, background 150ms, transform 150ms;
}

.kora-footer__attach:hover {
  color: var(--kora-primary);
  background: var(--kora-primary-soft);
}

.kora-footer__attach:active {
  transform: scale(0.94);
}

.kora-footer__attach:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.kora-footer__attach:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: -2px;
  border-radius: 12px;
}

.kora-footer__input {
  flex: 1;
  border: none;
  background: none;
  min-height: 38px;
  padding: 8px 4px;
  font-family: var(--kora-font);
  font-size: 14px;
  color: var(--kora-text);
  line-height: 1.5;
  resize: none;
  max-height: 96px;
  overflow-y: auto;
  outline: none;
}

.kora-footer__input::-webkit-scrollbar {
  display: none;
}

.kora-footer__input {
  scrollbar-width: none;
}

.kora-footer__input::placeholder {
  color: var(--kora-text-tertiary);
}

.kora-footer__send {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  border: none;
  background: var(--kora-primary);
  color: var(--kora-primary-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin: 0;
  box-shadow: 0 5px 14px rgba(168, 78, 52, 0.22);
  transition: background 150ms, box-shadow 150ms, color 150ms, transform 150ms;
}

.kora-footer__send:hover:not(:disabled) {
  background: var(--kora-primary-hover);
  box-shadow: 0 7px 18px rgba(168, 78, 52, 0.28);
  transform: translateY(-1px);
}

.kora-footer__send:active:not(:disabled) {
  transform: scale(0.95);
}

.kora-footer__send:disabled {
  background: var(--kora-primary-soft);
  color: var(--kora-text-tertiary);
  box-shadow: none;
  opacity: 1;
  cursor: not-allowed;
}

.kora-footer__send:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 2px;
}

.kora-footer__send--stop {
  background: #ef4444;
}

.kora-footer__send--stop:hover:not(:disabled) {
  background: #dc2626;
}

/* ── Inline image in user bubble ── */
.kora-msg__image {
  display: block;
  max-width: 100%;
  border-radius: 10px;
  margin-top: 8px;
}

/* ── Configured assistant media ── */
.kora-msg__media {
  display: grid;
  gap: 8px;
  margin-top: 8px;
  max-width: 100%;
}

.kora-msg__text:empty + .kora-msg__media {
  margin-top: 0;
}

.kora-msg__media-item {
  width: min(280px, 68vw);
  max-width: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--kora-border);
  border-radius: 10px;
  background: var(--kora-surface);
}

.kora-msg__media-link,
.kora-msg__configured-image,
.kora-msg__configured-video {
  display: block;
  width: 100%;
  max-width: 100%;
}

.kora-msg__media-link {
  color: inherit;
}

.kora-msg__configured-image {
  max-height: 320px;
  object-fit: contain;
}

.kora-msg__configured-video {
  max-height: 320px;
  background: #111;
}

.kora-msg__media-caption,
.kora-msg__media-error {
  display: block;
  padding: 7px 9px;
  color: var(--kora-text-secondary);
  font-size: 11px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.kora-msg__media-error {
  color: var(--kora-text-tertiary);
}

.kora-msg__media-error[hidden] {
  display: none;
}

/* ── History Panel ── */
.kora-history {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--kora-canvas);
  z-index: 5;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--kora-transition);
}

.kora-history[hidden] {
  display: flex;
  pointer-events: none;
}

.kora-history.kora-history--open {
  transform: translateX(0);
  pointer-events: auto;
}

.kora-history__header {
  display: flex;
  align-items: center;
  min-height: 68px;
  gap: 10px;
  padding: 12px 16px;
  background: var(--kora-surface);
  border-bottom: 1px solid var(--kora-border);
  color: var(--kora-text);
  font-weight: 600;
  font-size: 15.5px;
  flex-shrink: 0;
}

.kora-history__back {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  color: var(--kora-text-secondary);
  cursor: pointer;
  padding: 0;
  border-radius: var(--kora-radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 150ms, color 150ms;
}

.kora-history__back:hover {
  background: var(--kora-primary-soft);
  color: var(--kora-text);
}

.kora-history__back:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 2px;
}

.kora-history__list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 10px 16px;
  background: var(--kora-canvas);
  overscroll-behavior: contain;
}

.kora-history__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  justify-content: center;
  min-height: 180px;
  padding: 28px 16px;
  text-align: center;
  color: var(--kora-text-tertiary);
  font-size: 13px;
}

.kora-history__group {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--kora-text-tertiary);
  padding: 16px 6px 5px;
  letter-spacing: 0.06em;
}

.kora-history__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0;
  margin-top: 6px;
  border: 1px solid var(--kora-border);
  border-radius: 12px;
  background: var(--kora-surface-elevated);
  cursor: default;
  text-align: left;
  font-family: var(--kora-font);
  font-size: 14px;
  color: var(--kora-text);
  box-shadow: 0 1px 2px rgba(28, 25, 23, 0.025);
  transition: background 150ms, border-color 150ms, box-shadow 150ms, transform 150ms;
  gap: 8px;
}

.kora-history__select {
  align-self: stretch;
  flex: 1;
  min-width: 0;
  min-height: 58px;
  padding: 11px 8px 11px 13px;
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
  font: inherit;
  display: flex;
  align-items: center;
}

.kora-history__item:hover {
  background: var(--kora-surface-elevated);
  border-color: var(--kora-border-strong);
  box-shadow: var(--kora-shadow-sm);
  transform: translateY(-1px);
}

.kora-history__select:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: -2px;
}

.kora-history__title-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kora-history__title-row {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.kora-history__item-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.kora-history__item-time {
  font-size: 11px;
  color: var(--kora-text-tertiary);
}

.kora-history__delete {
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  color: var(--kora-text-tertiary);
  cursor: pointer;
  padding: 0;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 150ms, background 150ms;
}

.kora-history__delete:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.kora-history__delete:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 1px;
}

/* ── Markdown Content ── */
.kora-msg--assistant .kora-msg__text {
  display: block;
  overflow-wrap: break-word;
  word-break: break-word;
  min-width: 0;
  max-width: 100%;
}

.kora-msg--assistant .kora-msg__text h1,
.kora-msg--assistant .kora-msg__text h2,
.kora-msg--assistant .kora-msg__text h3,
.kora-msg--assistant .kora-msg__text h4 {
  margin: 12px 0 6px 0;
  line-height: 1.3;
  color: var(--kora-text);
}

.kora-msg--assistant .kora-msg__text h1 { font-size: 1.3em; }
.kora-msg--assistant .kora-msg__text h2 { font-size: 1.15em; }
.kora-msg--assistant .kora-msg__text h3 { font-size: 1.05em; }
.kora-msg--assistant .kora-msg__text h4 { font-size: 1em; }

.kora-msg--assistant .kora-msg__text h1:first-child,
.kora-msg--assistant .kora-msg__text h2:first-child,
.kora-msg--assistant .kora-msg__text h3:first-child,
.kora-msg--assistant .kora-msg__text h4:first-child { margin-top: 0; }

.kora-msg--assistant .kora-msg__text p { margin: 0 0 8px 0; }
.kora-msg--assistant .kora-msg__text p:last-child { margin-bottom: 0; }

.kora-msg--assistant .kora-msg__text ul,
.kora-msg--assistant .kora-msg__text ol { margin: 0 0 8px 0; padding-left: 20px; }

.kora-msg--assistant .kora-msg__text code {
  background: rgba(0, 0, 0, 0.06);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', ui-monospace, monospace;
}

[data-theme="dark"] .kora-msg--assistant .kora-msg__text code {
  background: rgba(255, 255, 255, 0.08);
}

.kora-msg--assistant .kora-msg__text pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 12px;
  border-radius: 10px;
  overflow-x: auto;
  margin: 8px 0;
  position: relative;
}

.kora-msg--assistant .kora-msg__text pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 13px;
}

.kora-msg--assistant .kora-msg__text blockquote {
  border-left: 3px solid var(--kora-primary);
  padding-left: 12px;
  margin: 8px 0;
  color: var(--kora-text-secondary);
}

.kora-msg--assistant .kora-msg__text a {
  color: var(--kora-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.kora-msg--assistant .kora-msg__text table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 13px;
}

.kora-msg--assistant .kora-msg__text th,
.kora-msg--assistant .kora-msg__text td {
  border: 1px solid var(--kora-border);
  padding: 4px 8px;
}

/* ── Copy Button ── */
.kora-copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #94a3b8;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  font-family: var(--kora-font);
  opacity: 0;
  transition: opacity 150ms;
}

.kora-msg__text pre:hover .kora-copy-btn {
  opacity: 1;
}

.kora-copy-btn:focus-visible,
.kora-msg__text pre:focus-within .kora-copy-btn {
  opacity: 1;
}

.kora-copy-btn:focus-visible {
  outline: 2px solid #e2e8f0;
  outline-offset: 2px;
}

.kora-copy-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #e2e8f0;
}

.kora-copy-btn--copied {
  opacity: 1;
  background: #22c55e;
  border-color: #22c55e;
  color: #ffffff;
}

/* ── Scroll-to-bottom button ── */
.kora-scroll-btn {
  position: sticky;
  bottom: 0;
  align-self: flex-end;
  width: 38px;
  height: 38px;
  margin-top: -38px;
  margin-right: 2px;
  border-radius: 50%;
  background: var(--kora-surface-elevated);
  color: var(--kora-text-secondary);
  border: 1px solid var(--kora-border-strong);
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(28, 25, 23, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4;
  transition: background 150ms, transform 150ms;
}

.kora-scroll-btn[hidden] { display: none; }

.kora-scroll-btn:hover {
  background: var(--kora-primary-soft);
  color: var(--kora-primary);
  transform: scale(1.08);
}

.kora-scroll-btn:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 2px;
}

/* ── Notification badge ── */
@keyframes kora-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.35); }
}

.kora-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ef4444;
  border: 2px solid #fff;
  animation: kora-pulse 1.5s ease-in-out infinite;
}

.kora-badge[hidden] { display: none; }

/* ── Rename input in history items ── */
.kora-rename-input {
  flex: 1;
  border: 1px solid var(--kora-primary);
  border-radius: 9px;
  padding: 6px 8px;
  font-size: 13px;
  font-family: inherit;
  background: var(--kora-surface-elevated);
  color: var(--kora-text);
  outline: none;
  min-width: 0;
  margin: 9px 8px 9px 12px;
  box-shadow: 0 0 0 3px var(--kora-primary-soft);
}

.kora-rename-input:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 1px;
}

/* ── Right-side actions (rename + delete) ── */
.kora-history__actions {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
  padding-right: 7px;
}

/* ── Rename button in history items ── */
.kora-history__rename {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--kora-text-tertiary);
  border-radius: 9px;
  opacity: 0;
  transition: opacity 150ms, color 150ms, background 150ms;
  line-height: 0;
}

.kora-history__item:hover .kora-history__rename,
.kora-history__item:focus-within .kora-history__rename { opacity: 1; }

.kora-history__rename:hover {
  color: var(--kora-primary);
  background: var(--kora-primary-soft);
}

.kora-history__rename:focus-visible {
  opacity: 1;
  outline: 2px solid var(--kora-primary);
  outline-offset: 1px;
}

@media (hover: none) { .kora-history__rename { opacity: 1; } }

/* ── Retry button ── */
.kora-retry-btn {
  display: inline-block;
  margin-top: 6px;
  min-height: 30px;
  padding: 5px 12px;
  border: 1px solid var(--kora-primary);
  border-radius: 9px;
  background: transparent;
  color: var(--kora-primary);
  font-size: 11px;
  cursor: pointer;
  font-family: var(--kora-font);
  transition: background var(--kora-transition), color var(--kora-transition);
}

.kora-retry-btn:hover { background: var(--kora-primary); color: #fff; }

.kora-retry-btn:focus-visible {
  outline: 2px solid var(--kora-primary);
  outline-offset: 2px;
}

.kora-retry-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

/* ── Mobile Responsive ── */
@media (min-width: 480px) and (max-width: 767px) {
  :root {
    --kora-window-w: min(408px, calc(100vw - 32px));
    --kora-window-h: 620px;
  }
  .kora-window {
    bottom: max(16px, env(safe-area-inset-bottom));
    right: max(16px, env(safe-area-inset-right));
  }
  .kora-toggle {
    bottom: max(16px, env(safe-area-inset-bottom));
    right: max(16px, env(safe-area-inset-right));
    width: 54px;
    height: 54px;
  }
}

@media (max-width: 479px) {
  .kora-window {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    border: 0;
    border-radius: 0;
    transform-origin: bottom center;
  }

  .kora-header {
    min-height: calc(64px + env(safe-area-inset-top));
    padding: calc(8px + env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) 8px max(14px, env(safe-area-inset-left));
  }

  .kora-header__action-btn {
    width: 40px;
    height: 40px;
  }

  .kora-body {
    padding: 18px max(14px, env(safe-area-inset-right)) 20px max(14px, env(safe-area-inset-left));
  }

  .kora-msg {
    max-width: 100%;
  }

  .kora-msg--user {
    max-width: 88%;
  }

  .kora-footer__input {
    font-size: 16px;
  }

  .kora-footer {
    padding: 10px max(12px, env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }

  .kora-reaction__btn {
    width: 36px;
    height: 36px;
  }

  .kora-history__header {
    min-height: calc(64px + env(safe-area-inset-top));
    padding: calc(8px + env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) 8px max(14px, env(safe-area-inset-left));
  }

  .kora-history__list {
    padding-right: max(10px, env(safe-area-inset-right));
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
    padding-left: max(10px, env(safe-area-inset-left));
  }

  .kora-history__delete,
  .kora-history__rename {
    opacity: 1;
  }
}

@media (max-height: 520px) and (max-width: 900px) and (orientation: landscape) {
  .kora-header,
  .kora-history__header {
    min-height: 54px;
    padding-top: 6px;
    padding-bottom: 6px;
  }
  .kora-body { padding-top: 10px; padding-bottom: 10px; }
  .kora-welcome { padding-top: 8px; }
  .kora-welcome__logo-wrap { width: 54px; height: 54px; margin-bottom: 10px; border-radius: 18px; }
  .kora-welcome__logo-wrap svg { width: 42px; height: 42px; }
  .kora-welcome__greeting { font-size: 20px; margin-bottom: 4px; }
  .kora-welcome__subtitle { margin-bottom: 12px; }
  .kora-footer { padding-top: 8px; }
}

@media (max-width: 359px) {
  .kora-msg--user { max-width: 91%; }
  .kora-msg__bubble { padding: 8px 12px; font-size: 13px; }
  .kora-welcome__faq { padding: 9px 9px 9px 12px; font-size: 12px; }
  .kora-header__actions { gap: 1px; }
}

/* ── Accessibility ── */
@media (hover: none) {
  .kora-copy-btn { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .kora-window,
  .kora-window *,
  .kora-toggle {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}