.chat-app,
.chat-app * {
  box-sizing: border-box;
}

html {
  width: 100%;
  max-width: 100%;
  margin: 0;
  overflow-x: hidden;
}

body {
  width: 100%;
  max-width: 100%;
  margin: 0;
  overflow-x: hidden;
}

button,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

.chat-app {
  min-height: 100svh;
  background: #f6f7f9;
  color: #1f2937;
  font-size: 14px;
  font-weight: 400;
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  word-break: keep-all;
}

.case-app-shell {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 288px minmax(0, 1fr) 360px;
  background: #f6f7f9;
}

.case-home-shell {
  position: relative;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 480px);
  grid-template-rows: auto minmax(0, 1fr);
  background:
    radial-gradient(circle at 50% 18%, rgba(37, 99, 235, 0.05), transparent 34%),
    #f8fafc;
}

.case-topbar {
  min-width: 0;
  min-height: 64px;
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.case-top-actions {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.case-license-mini {
  display: none;
}

.case-license-line {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 2px;
  border: 0;
  background: transparent;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 400;
  white-space: nowrap;
  transition: color 160ms ease;
}

.case-license-line:hover,
.case-license-mini:hover {
  color: #1d4ed8;
}

.case-menu-toggle {
  display: none;
}

.case-report-toggle {
  display: none;
}

.case-report-backdrop {
  position: fixed;
  inset: 0;
  z-index: 34;
  background: rgba(15, 23, 42, 0.28);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.case-report-backdrop:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.case-license-backdrop {
  position: fixed;
  inset: 0;
  z-index: 42;
  background: rgba(15, 23, 42, 0.24);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.case-license-backdrop:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.case-auth-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(15, 23, 42, 0.28);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.case-auth-backdrop:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.case-auth-legal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 44;
  background: rgba(15, 23, 42, 0.32);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.case-auth-legal-backdrop:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.case-auth-modal {
  position: fixed;
  top: 76px;
  right: 18px;
  z-index: 41;
  width: min(420px, calc(100vw - 36px));
  max-height: calc(100svh - 96px);
  display: grid;
  gap: 13px;
  padding: 18px;
  overflow: auto;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.99);
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px) scale(0.985);
  transition: opacity 180ms ease, transform 180ms ease;
}

.case-auth-modal[hidden] {
  display: none;
}

.is-auth-open .case-auth-modal {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.case-auth-modal header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.case-auth-modal header span {
  display: block;
  color: #64748b;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.case-auth-modal h2 {
  margin: 3px 0 0;
  color: #0f172a;
  font-size: 1rem;
  font-weight: 500;
}

.case-auth-modal header button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: #ffffff;
  color: #475569;
  font-size: 0.76rem;
  font-weight: 400;
}

.case-auth-legal-modal {
  position: fixed;
  top: 88px;
  left: 50%;
  z-index: 45;
  width: min(560px, calc(100vw - 36px));
  max-height: calc(100svh - 116px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.24);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -8px) scale(0.985);
  transition: opacity 180ms ease, transform 180ms ease;
}

.case-auth-legal-modal[hidden] {
  display: none;
}

.is-auth-legal-open .case-auth-legal-modal {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0) scale(1);
}

.case-auth-legal-modal header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.case-auth-legal-modal h2 {
  margin: 0;
  color: #0f172a;
  font-size: 0.96rem;
  font-weight: 500;
}

.case-auth-legal-modal header button {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: #ffffff;
  color: #475569;
  font-size: 0.74rem;
  font-weight: 400;
}

.case-auth-legal-content {
  display: grid;
  gap: 9px;
  padding: 14px 16px 18px;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.case-auth-legal-content h3 {
  margin: 8px 0 0;
  color: #0f172a;
  font-size: 0.82rem;
  font-weight: 500;
}

.case-auth-legal-content p {
  margin: 0;
  color: #64748b;
  font-size: 0.76rem;
  line-height: 1.65;
}

.case-auth-legal-content ol,
.case-auth-legal-content ul {
  display: grid;
  gap: 5px;
  margin: 0;
  padding-left: 17px;
  color: #64748b;
  font-size: 0.76rem;
  line-height: 1.65;
}

.case-license-modal {
  position: fixed;
  top: 76px;
  right: 18px;
  z-index: 43;
  width: min(620px, calc(100vw - 36px));
  max-height: calc(100svh - 96px);
  display: grid;
  gap: 14px;
  padding: 18px;
  overflow: auto;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px) scale(0.985);
  transition: opacity 180ms ease, transform 180ms ease;
}

.case-license-modal[hidden] {
  display: none;
}

.is-license-open .case-license-modal {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.case-license-modal header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.case-license-modal header span {
  display: block;
  color: #64748b;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.case-license-modal h2 {
  margin: 3px 0 0;
  color: #0f172a;
  font-size: 1rem;
  font-weight: 500;
}

.case-license-modal header button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: #ffffff;
  color: #475569;
  font-size: 0.76rem;
  font-weight: 400;
}

.case-license-summary {
  margin: 0;
  color: #475569;
  font-size: 0.82rem;
  line-height: 1.65;
}

.case-license-table-wrap {
  min-width: 0;
  overflow-x: auto;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 10px;
  background: #ffffff;
}

.case-license-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  color: #334155;
  font-size: 0.78rem;
}

.case-license-table th,
.case-license-table td {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  text-align: left;
  vertical-align: top;
}

.case-license-table thead th {
  background: #f8fafc;
  color: #0f172a;
  font-weight: 500;
}

.case-license-table tbody th {
  width: 92px;
  color: #64748b;
  font-weight: 400;
}

.case-license-table tbody tr:last-child th,
.case-license-table tbody tr:last-child td {
  border-bottom: 0;
}

.case-upgrade-form {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid rgba(37, 99, 235, 0.16);
  border-radius: 10px;
  background: #f8fbff;
}

.case-upgrade-form label {
  color: #0f172a;
  font-size: 0.82rem;
  font-weight: 500;
}

.case-upgrade-form > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.case-upgrade-form input {
  min-width: 0;
  height: 40px;
  padding: 0 12px;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 8px;
  background: #ffffff;
  color: #0f172a;
  font: inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-upgrade-form button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  background: #0f172a;
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 400;
}

.case-upgrade-form button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.case-upgrade-form p {
  margin: 0;
  color: #64748b;
  font-size: 0.76rem;
  line-height: 1.55;
}

.case-upgrade-form p[data-status="error"] {
  color: #b42318;
}

.case-upgrade-form p[data-status="success"] {
  color: #166534;
}

.case-legal-block {
  display: grid;
  gap: 8px;
}

.case-legal-block details {
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 10px;
  background: #ffffff;
}

.case-legal-block summary {
  padding: 11px 12px;
  color: #0f172a;
  font-size: 0.8rem;
  font-weight: 400;
  cursor: pointer;
}

.case-legal-block p {
  margin: 0;
  color: #64748b;
  font-size: 0.76rem;
  line-height: 1.65;
}

.case-legal-content {
  display: grid;
  gap: 9px;
  max-height: 360px;
  padding: 0 12px 12px;
  overflow: auto;
  color: #64748b;
  -webkit-overflow-scrolling: touch;
}

.case-legal-content h3 {
  margin: 8px 0 0;
  color: #0f172a;
  font-size: 0.82rem;
  font-weight: 500;
}

.case-legal-content ol,
.case-legal-content ul {
  display: grid;
  gap: 5px;
  margin: 0;
  padding-left: 17px;
  color: #64748b;
  font-size: 0.76rem;
  line-height: 1.65;
}

.case-legal-content li {
  padding-left: 1px;
}

.case-legal-date {
  padding-top: 2px;
  color: #475569;
  font-size: 0.72rem;
}

.case-license-card {
  display: none;
  width: 214px;
  min-height: 44px;
  grid-template-columns: auto minmax(78px, 1fr);
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.04);
}

.case-license-card span,
.case-license-card small {
  display: block;
  color: #64748b;
  font-size: 0.68rem;
  font-weight: 400;
}

.case-license-card strong {
  display: block;
  margin-top: 2px;
  color: #0f172a;
  font-size: 0.84rem;
  font-weight: 500;
}

.case-license-card em {
  display: block;
  margin-top: 3px;
  color: #94a3b8;
  font-size: 0.58rem;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.case-usage-meter {
  display: none;
  gap: 5px;
}

.case-usage-meter > span {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: #e2e8f0;
}

.case-usage-meter i {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: linear-gradient(90deg, #2563eb, #111827);
  transition: width 220ms ease;
}

.case-type-select {
  display: none;
  align-items: center;
  gap: 8px;
  color: #667085;
  font-size: 0.76rem;
  font-weight: 500;
}

.case-type-select select {
  height: 38px;
  min-width: 138px;
  padding: 0 10px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 8px;
  background: #ffffff;
  color: #111827;
  font: inherit;
}

.case-history-button,
.case-new-button {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 8px;
  background: #ffffff;
  color: #111827;
  font-size: 0.8rem;
  font-weight: 400;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.case-save-button {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 8px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.8rem;
  font-weight: 400;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.case-history-button:hover,
.case-new-button:hover,
.case-save-button:hover,
.case-user-card button:hover {
  transform: translateY(-1px);
}

.case-history-button:disabled,
.case-new-button:disabled,
.case-save-button:disabled,
.case-user-card button:disabled {
  transform: none;
}

.case-save-button:disabled,
.case-composer button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.case-home-shell > .case-service-status {
  position: absolute;
  right: 454px;
  top: 74px;
  z-index: 4;
}

.case-history-list {
  display: none !important;
}

.case-home-shell .case-auth-card,
.case-home-shell .case-user-card {
  padding: 0;
  border: 0;
  background: transparent;
}

.case-home-shell .case-auth-message {
  display: none;
}

.case-history-backdrop {
  position: fixed;
  inset: 0;
  z-index: 29;
  background: rgba(15, 23, 42, 0.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.case-history-backdrop:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.case-history-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  width: min(360px, calc(100vw - 28px));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  border-right: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 24px 0 54px rgba(15, 23, 42, 0.16);
  transform: translateX(-105%);
  transition: transform 190ms ease;
}

.case-history-drawer[hidden] {
  display: none;
}

.is-history-open .case-history-drawer {
  transform: translateX(0);
}

.case-history-drawer header {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.case-history-drawer header span {
  display: block;
  color: #64748b;
  font-size: 0.72rem;
}

.case-history-drawer header h2 {
  margin: 2px 0 0;
  color: #0f172a;
  font-size: 1.02rem;
  font-weight: 500;
}

.case-history-drawer header button {
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: #ffffff;
  color: #475569;
  font-size: 0.78rem;
}

.case-history-drawer .case-history-list {
  display: grid !important;
  max-height: none;
  padding-right: 2px;
}

.case-history-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
}

.case-list .case-history-open {
  min-width: 0;
}

.case-list .case-history-delete {
  width: auto;
  min-width: 48px;
  min-height: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-color: rgba(180, 35, 24, 0.12);
  background: #fffafa;
  color: #b42318;
  font-size: 0.76rem;
  font-weight: 400;
}

.case-list-empty {
  margin: 0;
  padding: 18px 12px;
  border: 1px dashed rgba(15, 23, 42, 0.16);
  border-radius: 8px;
  color: #64748b;
  background: #f8fafc;
  font-size: 0.82rem;
  line-height: 1.5;
}

.case-sidebar,
.case-report-panel {
  min-width: 0;
  background: #ffffff;
  border-color: rgba(17, 24, 39, 0.1);
}

.case-sidebar {
  display: grid;
  grid-template-rows: auto auto auto auto auto 1fr;
  gap: 14px;
  padding: 18px;
  border-right: 1px solid rgba(17, 24, 39, 0.1);
}

.case-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #111827;
  font-family: var(--font-eng);
}

.case-brand strong {
  font-weight: 500;
}

.case-brand img {
  width: 32px;
  height: 32px;
}

.case-auth-card,
.case-user-card,
.case-new-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 8px;
  background: #ffffff;
}

.case-auth-card h1 {
  margin: 0;
  font-size: 1.1rem;
}

.case-auth-card p,
.case-auth-message {
  margin: 0;
  color: #667085;
  font-size: 0.84rem;
  line-height: 1.45;
}

.case-auth-card label,
.case-new-card label {
  display: grid;
  gap: 6px;
  color: #475467;
  font-size: 0.78rem;
  font-weight: 400;
}

.case-google-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid rgba(17, 24, 39, 0.14);
  border-radius: 8px;
  background: #0f172a;
  color: #ffffff;
  font-weight: 500;
}

.case-google-button span {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: #ffffff;
  color: #185ec9;
  font-family: var(--font-eng);
  font-weight: 500;
}

.case-login-button,
.case-email-auth-form > button {
  min-height: 40px;
  padding: 0 12px;
  border-radius: 8px;
  background: #0f172a;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 400;
  white-space: nowrap;
}

.case-auth-google-row {
  display: grid;
}

body[data-embedded-browser="true"] .case-auth-google-row {
  display: none;
}

.case-auth-embedded-note {
  display: none;
  margin: 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f8fafc;
  color: #475569;
  font-size: 0.78rem;
  line-height: 1.55;
}

body[data-embedded-browser="true"] .case-auth-embedded-note {
  display: block;
}

.case-auth-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #98a2b3;
  font-size: 0.75rem;
  font-weight: 400;
}

.case-auth-divider::before,
.case-auth-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: rgba(17, 24, 39, 0.1);
}

.case-auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 4px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  background: #f8fafc;
}

.case-auth-tabs button {
  min-height: 34px;
  border-radius: 7px;
  background: transparent;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 400;
}

.case-auth-tabs button.is-active {
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 5px 14px rgba(15, 23, 42, 0.08);
}

.case-email-auth-form {
  display: grid;
  gap: 8px;
}

.case-email-auth-form input[type="email"],
.case-email-auth-form input[type="password"] {
  width: 100%;
  height: 42px;
  padding: 0 11px;
  border: 1px solid rgba(17, 24, 39, 0.14);
  border-radius: 8px;
  background: #ffffff;
  color: #101828;
  font: inherit;
}

.case-signup-only {
  display: none;
}

body[data-auth-mode="signup"] .case-signup-only {
  display: grid;
}

.case-password-hint {
  min-height: 18px;
  margin: -2px 0 0;
  color: #64748b;
  font-size: 0.72rem;
  line-height: 1.35;
}

.case-password-hint[data-status="success"] {
  color: #166534;
}

.case-password-hint[data-status="error"] {
  color: #b42318;
}

.case-terms-wrap {
  gap: 8px;
}

.case-terms-check {
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  color: #475569;
  font-size: 0.76rem;
  line-height: 1.45;
}

.case-terms-check input {
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
}

.case-auth-legal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.case-auth-legal-actions button {
  min-height: 34px;
  padding: 0 9px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 8px;
  background: #f8fbff;
  color: #1d4ed8;
  font-size: 0.72rem;
  font-weight: 400;
}

.case-auth-modal small {
  color: #64748b;
  font-size: 0.72rem;
  line-height: 1.55;
}

.case-auth-resend {
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 8px;
  background: #f8fbff;
  color: #1d4ed8;
  font-size: 0.74rem;
  font-weight: 400;
}

.case-auth-resend[hidden] {
  display: none;
}

.case-auth-resend:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.case-auth-card input,
.case-new-card select,
.case-composer textarea {
  width: 100%;
  border: 1px solid rgba(17, 24, 39, 0.14);
  border-radius: 8px;
  background: #ffffff;
  color: #101828;
  font: inherit;
}

.case-auth-card input,
.case-new-card select {
  height: 40px;
  padding: 0 10px;
}

.case-auth-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.case-auth-actions button,
.case-user-card button,
.case-new-card button,
.case-chat-header button,
.case-composer button,
.case-report-toolbar button {
  min-height: 40px;
  border-radius: 8px;
  background: #111827;
  color: #ffffff;
  font-weight: 500;
}

.case-auth-actions button:nth-child(2),
.case-user-card button,
.case-report-toolbar button {
  background: #ffffff;
  border: 1px solid rgba(17, 24, 39, 0.14);
  color: #111827;
}

.case-user-card {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.case-service-status {
  margin: 0;
  padding: 9px 12px;
  border: 1px solid rgba(24, 94, 201, 0.18);
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.78rem;
  font-weight: 400;
}

.case-service-status[data-status="error"] {
  border-color: rgba(180, 35, 24, 0.18);
  background: #fff4f2;
  color: #b42318;
}

.case-user-card span {
  min-width: 0;
  overflow: hidden;
  color: #344054;
  font-size: 0.8rem;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-home-shell .case-user-card button {
  min-height: 34px;
  padding: 0 10px;
  border-color: rgba(180, 35, 24, 0.14);
  background: #fffafa;
  color: #9f1f17;
  font-size: 0.78rem;
}

.case-list {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 0;
  overflow: auto;
}

.case-list button {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 12px;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  background: #f8fafc;
  color: #111827;
  text-align: left;
}

.case-list button.is-active,
.case-list .case-history-open.is-active {
  border-color: rgba(24, 94, 201, 0.24);
  background: #eef4ff;
}

.case-list strong {
  overflow: hidden;
  font-size: 0.9rem;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-list span {
  color: #667085;
  font-size: 0.76rem;
}

.case-chat-main {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.case-chat-header {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  background: #ffffff;
  border-bottom: 1px solid rgba(17, 24, 39, 0.1);
}

.case-chat-header span {
  color: #667085;
  font-size: 0.72rem;
  font-weight: 400;
}

.case-chat-header h1,
.case-chat-header h2 {
  margin: 3px 0 0;
  font-size: 1.18rem;
}

.case-home-shell .case-chat-main {
  grid-column: 1;
  grid-row: 2;
  grid-template-rows: minmax(0, 1fr) auto;
  background: transparent;
}

.case-home-shell .case-report-panel {
  grid-column: 2;
  grid-row: 2;
}

.case-home-shell .case-chat-header {
  display: none;
}

.case-chat-body {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 22px;
  overflow: auto;
}

.case-home-shell .case-chat-body::before {
  content: "";
  height: 1px;
}

.case-empty-state {
  max-width: 520px;
  margin: 7vh auto 0;
  padding: 26px;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 8px;
  background: #ffffff;
  text-align: center;
}

.case-empty-state h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
  font-weight: 500;
}

.case-empty-state h2 {
  margin: 0 0 8px;
  font-size: 1.42rem;
  line-height: 1.2;
  font-weight: 500;
}

.case-empty-state p {
  margin: 0;
  color: #667085;
  line-height: 1.6;
}

.case-prompt-chips {
  display: none;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.case-prompt-chips button {
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 8px;
  background: #ffffff;
  color: #344054;
  font-size: 0.8rem;
  font-weight: 500;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.case-prompt-chips button:hover {
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
  transform: translateY(-1px);
}

.case-message {
  max-width: min(720px, 90%);
  display: grid;
  gap: 6px;
  padding: 13px 15px;
  border-radius: 8px;
  line-height: 1.58;
  white-space: pre-wrap;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  font-size: 0.92rem;
}

.case-message-role {
  color: #64748b;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.case-message p {
  margin: 0;
}

.case-message.user {
  justify-self: end;
  background: #0f172a;
  color: #ffffff;
}

.case-message.user .case-message-role {
  color: rgba(255, 255, 255, 0.68);
}

.case-message.assistant {
  justify-self: start;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: #172033;
}

.case-message.is-loading {
  min-width: min(430px, 90%);
}

.case-loading-line {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #475569;
}

.case-loading-line i {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #2563eb;
  animation: case-loading-dot 900ms infinite ease-in-out;
}

.case-loading-line i:nth-child(2) {
  animation-delay: 120ms;
}

.case-loading-line i:nth-child(3) {
  animation-delay: 240ms;
}

.case-loading-line strong {
  margin-left: 4px;
  font-size: 0.9rem;
  font-weight: 500;
}

@keyframes case-loading-dot {
  0%, 80%, 100% { opacity: 0.28; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-3px); }
}

.case-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  gap: 10px;
  align-items: end;
  padding: 14px 20px max(18px, env(safe-area-inset-bottom));
  background: #ffffff;
  border-top: 1px solid rgba(17, 24, 39, 0.1);
}

.case-home-shell .case-chat-body {
  align-content: center;
  padding: 18px 22px;
  background: transparent;
}

.case-home-shell .case-empty-state {
  max-width: 760px;
  margin: 0 auto;
  padding: 10px;
  border: 0;
  background: transparent;
}

.case-home-shell .case-empty-state h2,
.case-home-shell .case-empty-state h3 {
  margin-bottom: 14px;
  font-size: clamp(1.7rem, 3.9vw, 2.7rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0;
}

.case-home-shell .case-composer {
  width: min(820px, calc(100% - 42px));
  margin: 0 auto 20px;
  padding: 8px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(18px);
}

.case-composer textarea {
  min-height: 52px;
  max-height: 168px;
  padding: 14px 14px 12px;
  resize: none;
  line-height: 1.5;
}

.case-composer button {
  width: 48px;
  min-height: 52px;
  background: #0f172a;
  font-size: 1.2rem;
}

.case-composer-note {
  width: min(820px, calc(100% - 42px));
  margin: -13px auto 16px;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 400;
  text-align: center;
}

.case-report-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  background: #f7f8fa;
  border-left: 1px solid rgba(15, 23, 42, 0.08);
}

.case-report-preview {
  min-height: 0;
  position: relative;
  margin: 14px;
  padding: 20px 22px;
  overflow: auto;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 8px;
  background: #ffffff;
  color: #1f2937;
  font-size: 13px;
  line-height: 1.68;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.045);
}

body[data-busy="true"] .case-report-preview::after {
  content: "보고서 작성 중";
  position: sticky;
  bottom: 0;
  display: block;
  margin-top: 18px;
  padding: 11px 12px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 8px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.82rem;
  font-weight: 500;
  text-align: center;
}

.report-cover {
  padding: 0 0 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.12);
}

.report-cover span {
  display: block;
  margin-bottom: 6px;
  color: #64748b;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.report-cover h1,
.report-cover h2 {
  margin: 0;
  color: #0f172a;
  font-size: 1.18rem;
  line-height: 1.28;
  font-weight: 500;
}

.report-cover p {
  margin: 8px 0 0;
  color: #64748b;
  font-size: 0.82rem;
  line-height: 1.55;
}

.report-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 0 2px;
}

.report-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  background: #f8fafc;
  color: #64748b;
  font-size: 0.7rem;
  font-weight: 400;
}

.report-section {
  padding: 14px 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.report-section:last-child {
  border-bottom: none;
}

.case-report-preview h2,
.case-report-preview h3 {
  margin: 0 0 8px;
  color: #0f172a;
  line-height: 1.35;
  font-weight: 500;
}

.case-report-preview h2 {
  font-size: 0.98rem;
}

.case-report-preview h3 {
  font-size: 0.9rem;
}

.case-report-preview p,
.case-report-preview li {
  color: #3f4a5f;
  font-size: 0.82rem;
  font-weight: 400;
}

.case-report-preview p {
  margin: 0;
}

.case-report-preview p + p {
  margin-top: 8px;
}

.case-report-preview ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 17px;
}

.case-report-preview li::marker {
  color: #94a3b8;
}

.report-emphasis {
  color: #111827;
  font-weight: 500;
}

.case-report-toolbar {
  display: none;
  align-items: center;
  justify-content: flex-end;
  padding: 8px 10px;
  background: #ffffff;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.case-report-close {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: #ffffff;
  color: #475569;
  font-size: 0.78rem;
  font-weight: 400;
}

.is-hidden {
  display: none !important;
}

@media (max-width: 1100px) {
  .case-app-shell {
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .case-home-shell .case-report-panel {
    grid-column: 1;
    grid-row: 3;
    display: grid;
    min-height: auto;
    margin-top: 8px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    border-left: 0;
    background: #f8fafc;
  }

  .case-home-shell .case-report-toolbar {
    min-height: 54px;
    padding: 10px 12px;
  }

  .case-home-shell .case-report-preview {
    max-height: none;
    margin: 10px;
    padding: 18px 16px 22px;
    overflow: visible;
    font-size: 13px;
    line-height: 1.72;
    box-shadow: none;
  }

  .case-home-shell .report-cover h1,
  .case-home-shell .report-cover h2 {
    font-size: 1.05rem;
  }

  .case-home-shell .case-report-preview h2 {
    font-size: 0.92rem;
  }

  .case-home-shell .case-report-preview h3 {
    font-size: 0.86rem;
  }

  .case-home-shell .case-report-preview p,
  .case-home-shell .case-report-preview li {
    font-size: 0.82rem;
  }

  .case-home-shell {
    grid-template-columns: 1fr;
  }

  .case-home-shell > .case-service-status {
    right: 18px;
  }

}

@media (max-width: 760px) {
  .chat-app {
    background: #ffffff;
  }

  .case-app-shell {
    grid-template-columns: 1fr;
  }

  .case-home-shell {
    min-height: 100svh;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .case-topbar {
    min-height: 58px;
    padding: 8px 10px;
    gap: 8px;
  }

  .case-topbar .case-brand {
    flex: 0 0 auto;
    justify-content: flex-start;
    gap: 7px;
  }

  .case-topbar .case-brand img {
    width: 28px;
    height: 28px;
  }

  .case-topbar .case-brand strong {
    max-width: 88px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .case-license-mini {
    min-width: 102px;
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    margin-left: auto;
    padding: 0;
    border: 0;
    background: transparent;
    color: #475569;
    font-size: 0.7rem;
    font-weight: 400;
    text-align: right;
  }

  .case-license-mini strong {
    color: #0f172a;
    font-size: 0.75rem;
    font-weight: 500;
  }

  .case-license-mini span {
    color: #2563eb;
    font-size: 0.7rem;
    font-weight: 500;
  }

  .case-report-toggle {
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 8px;
    background: #ffffff;
  }

  .case-report-toggle span {
    position: relative;
    width: 17px;
    height: 21px;
    display: block;
    border: 2px solid #0f172a;
    border-radius: 3px;
  }

  .case-report-toggle span::before {
    content: "";
    position: absolute;
    top: -2px;
    right: -2px;
    width: 7px;
    height: 7px;
    border-left: 2px solid #0f172a;
    border-bottom: 2px solid #0f172a;
    border-bottom-left-radius: 2px;
    background: #ffffff;
  }

  .case-report-toggle span::after {
    content: "";
    position: absolute;
    left: 3px;
    top: 7px;
    width: 8px;
    height: 2px;
    border-radius: 999px;
    background: #0f172a;
    box-shadow: 0 5px 0 #0f172a;
  }

  .is-report-open .case-report-toggle {
    border-color: rgba(37, 99, 235, 0.32);
    background: #eff6ff;
  }

  .case-menu-toggle {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    gap: 4px;
    padding: 9px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 8px;
    background: #ffffff;
  }

  .case-menu-toggle span {
    width: 18px;
    height: 2px;
    display: block;
    border-radius: 999px;
    background: #0f172a;
  }

  .case-top-actions {
    position: fixed;
    top: 64px;
    right: 10px;
    left: 10px;
    z-index: 20;
    display: none;
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 12px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.16);
    backdrop-filter: blur(18px);
  }

  .is-menu-open .case-top-actions {
    display: grid;
  }

  .case-top-actions .case-license-line {
    display: none;
  }

  .case-license-modal {
    top: 66px;
    right: 10px;
    left: 10px;
    width: auto;
    max-height: calc(100svh - 78px);
    padding: 14px;
    border-radius: 12px;
  }

  .case-auth-modal {
    top: 66px;
    right: 10px;
    left: 10px;
    width: auto;
    max-height: calc(100svh - 78px);
    padding: 14px;
    border-radius: 12px;
  }

  .case-auth-legal-modal {
    top: 68px;
    right: 10px;
    left: 10px;
    width: auto;
    max-height: calc(100svh - 84px);
    transform: translateY(-8px) scale(0.985);
  }

  .is-auth-legal-open .case-auth-legal-modal {
    transform: translateY(0) scale(1);
  }

  .case-auth-legal-modal header {
    padding: 12px 14px;
  }

  .case-auth-legal-content {
    padding: 12px 14px 16px;
  }

  .case-license-modal h2 {
    font-size: 0.96rem;
  }

  .case-license-summary {
    font-size: 0.78rem;
  }

  .case-license-table {
    min-width: 500px;
    font-size: 0.74rem;
  }

  .case-license-table th,
  .case-license-table td {
    padding: 10px;
  }

  .case-upgrade-form {
    padding: 12px;
  }

  .case-upgrade-form > div {
    grid-template-columns: 1fr;
  }

  .case-home-shell > .case-service-status {
    display: none;
  }

  .case-type-select,
  .case-license-card,
  .case-history-button,
  .case-new-button,
  .case-save-button,
  .case-login-button,
  .case-google-button,
  .case-home-shell .case-user-card {
    width: 100%;
  }

  .case-license-card {
    grid-template-columns: 1fr;
  }

  .case-type-select {
    display: none;
    gap: 6px;
  }

  .case-type-select select {
    width: 100%;
    height: 38px;
    padding: 0 7px;
    font-size: 0.86rem;
  }

  .case-home-shell .case-auth-card {
    flex: 0 0 auto;
  }

  .case-google-button {
    min-height: 38px;
    padding: 0 10px;
    font-size: 0.82rem;
  }

  .case-google-button span {
    width: 20px;
    height: 20px;
  }

  .case-home-shell .case-user-card {
    display: flex;
    gap: 6px;
  }

  .case-home-shell .case-user-card span {
    max-width: none;
  }

  .case-sidebar {
    gap: 10px;
    padding: 12px 14px;
    border-right: none;
    border-bottom: 1px solid rgba(17, 24, 39, 0.1);
  }

  .case-brand {
    justify-content: center;
  }

  .case-auth-card,
  .case-user-card,
  .case-new-card {
    padding: 12px;
  }

  .case-auth-card h1 {
    font-size: 1rem;
  }

  .case-list {
    max-height: 120px;
  }

  .case-chat-main {
    min-height: 72svh;
  }

  .is-report-open {
    overflow: hidden;
  }

  .case-report-backdrop {
    z-index: 31;
  }

  .case-home-shell .case-report-panel {
    position: fixed;
    top: 66px;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    left: 10px;
    z-index: 32;
    grid-column: auto;
    grid-row: auto;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    min-height: 0;
    margin: 0;
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 12px;
    background: #f8fafc;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.26);
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px) scale(0.985);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .is-report-open .case-home-shell .case-report-panel {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .case-home-shell .case-report-toolbar {
    display: flex;
    justify-content: flex-end;
    min-height: 54px;
    padding: 9px 10px 9px 12px;
    border-bottom-color: rgba(15, 23, 42, 0.08);
  }

  .case-report-close {
    display: inline-flex;
  }

  .case-home-shell .case-report-preview {
    min-height: 0;
    margin: 8px;
    padding: 16px 14px 20px;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.72;
  }

  .case-chat-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .case-chat-header button {
    width: 100%;
  }

  .case-chat-body {
    padding: 14px;
  }

  .case-home-shell .case-chat-body {
    align-content: center;
    padding: 10px 14px 14px;
  }

  .case-empty-state {
    margin-top: 3vh;
    padding: 20px 14px;
  }

  .case-empty-state h3 {
    font-size: 1.18rem;
  }

  .case-home-shell .case-empty-state h2,
  .case-home-shell .case-empty-state h3 {
    font-size: clamp(1.55rem, 7.5vw, 2.1rem);
    font-weight: 500;
  }

  .case-prompt-chips {
    justify-content: stretch;
  }

  .case-prompt-chips button {
    flex: 1 1 130px;
  }

  .case-composer {
    position: sticky;
    bottom: 0;
    grid-template-columns: minmax(0, 1fr) 46px;
    gap: 8px;
    padding: 10px 12px max(12px, env(safe-area-inset-bottom));
  }

  .case-home-shell .case-composer {
    width: calc(100% - 20px);
    margin-bottom: max(10px, env(safe-area-inset-bottom));
    padding: 7px;
  }

  .case-composer-note {
    width: calc(100% - 20px);
    margin-bottom: 8px;
    font-size: 0.72rem;
  }

  .case-composer textarea {
    min-height: 48px;
    padding: 12px;
    font-size: 16px;
  }

  .case-composer button {
    width: 46px;
    min-height: 48px;
  }
}