* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f2f7f7;
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.45;
}

:root[data-theme="dark"] body {
  background: var(--color-background);
}

a {
  color: inherit;
}

.auth-page,
.app-shell {
  min-height: 100dvh;
}

.auth-page {
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(3, 29, 71, 0.08), rgba(242, 247, 247, 0.96)),
    var(--color-background);
}

:root[data-theme="dark"] .auth-page {
  background:
    linear-gradient(180deg, rgba(7, 21, 43, 0.96), rgba(15, 29, 53, 0.9)),
    var(--color-background);
}

.login-panel {
  width: min(420px, 100%);
  padding: 34px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
}

.login-panel h1 {
  color: var(--color-primary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.login-logo {
  display: block;
  width: 150px;
  max-width: 70%;
  margin: 0 auto 18px;
}

.login-panel h1::after,
.section-title::after {
  display: block;
  width: 72px;
  height: 3px;
  margin-top: 12px;
  background: var(--color-accent);
  content: "";
}

.password-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrap input {
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  right: 6px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--color-primary);
  border-color: transparent;
  font-size: 17px;
}

.password-toggle:hover,
.password-toggle.is-visible {
  background: #eef3f7;
  color: var(--color-accent);
  border-color: var(--color-border);
}

.field {
  display: grid;
  gap: 8px;
  margin: 16px 0;
}

label {
  color: var(--color-muted);
  font-size: 14px;
}

input,
button,
select {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font: inherit;
}

textarea {
  color: var(--color-text);
}

input,
select {
  width: 100%;
  padding: 12px;
  background: #ffffff;
  color: var(--color-text);
}

:root[data-theme="dark"] input,
:root[data-theme="dark"] select,
:root[data-theme="dark"] textarea {
  background: #07152b;
  color: var(--color-text);
  color-scheme: dark;
}

:root[data-theme="dark"] input[type="date"] {
  padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23f2f7f7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 18px 18px;
}

:root[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator {
  width: 36px;
  height: 100%;
  margin-right: -34px;
  opacity: 0;
  cursor: pointer;
}

:root[data-theme="dark"] input[type="search"]::-webkit-search-cancel-button,
:root[data-theme="dark"] select,
:root[data-theme="dark"] svg,
:root[data-theme="dark"] .icon {
  color: var(--color-text);
}

button {
  padding: 12px 16px;
  background: var(--color-primary);
  color: #ffffff;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

button:hover {
  background: #062b68;
  border-color: #062b68;
}

.secondary-button {
  background: #ffffff;
  color: var(--color-primary);
}

.secondary-button:hover {
  background: #edf3f8;
  border-color: var(--color-secondary);
}

button:active {
  transform: translateY(1px);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(203, 27, 48, 0.22);
  outline-offset: 2px;
}

button.primary {
  width: 100%;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.error {
  min-height: 20px;
  color: var(--color-danger);
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

.mobile-menu-toggle,
.mobile-menu-backdrop {
  display: none;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px 18px;
  overflow-y: auto;
  background: #ffffff;
  border-right: 1px solid var(--color-border);
  color: var(--color-primary);
}

.brand {
  margin: 0 0 28px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--color-primary);
  font-size: 20px;
  letter-spacing: 0.06em;
  line-height: 1.15;
  text-transform: uppercase;
}

.brand img {
  display: block;
  width: 128px;
  max-width: 100%;
  margin-bottom: 14px;
  padding: 0;
  border-radius: 6px;
  background: transparent;
}

.brand-mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  margin-bottom: 14px;
  border: 2px solid rgba(255, 255, 255, 0.9);
  transform: rotate(45deg);
}

.brand-mark span {
  display: block;
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.9);
}

.nav {
  display: grid;
  gap: 8px;
}

.nav button {
  width: 100%;
  text-align: left;
  background: #ffffff;
  border-color: #dce3e8;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav button.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.nav button:hover {
  background: #f2f7f7;
  border-color: var(--color-blue-gray);
  color: var(--color-primary);
}

.nav button.active:hover {
  background: #062b68;
  color: #ffffff;
}

.nav button[hidden] {
  display: none;
}

.main {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 18px;
  min-width: 0;
  min-height: 100dvh;
  padding: 24px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius);
  background: #ffffff;
  box-shadow: var(--shadow-panel);
}

.topbar-intro {
  min-width: 0;
}

.welcome-copy {
  grid-column: 1 / -1;
  width: 100%;
  margin: -2px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(3, 29, 71, 0.14);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius);
  background: #f8fbfc;
  color: var(--color-primary);
  font-size: 14px;
  line-height: 1.45;
}

.welcome-copy span {
  display: block;
  margin-top: 4px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 10px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  background: #ffffff;
  border-color: var(--color-border);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
}

.theme-toggle:hover {
  background: #f2f7f7;
  color: var(--color-primary);
}

.theme-toggle-track {
  position: relative;
  width: 38px;
  height: 20px;
  border-radius: 999px;
  background: var(--color-blue-gray);
}

.theme-toggle-dot {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  transition: transform 0.16s ease;
}

.theme-toggle[aria-pressed="true"] .theme-toggle-dot {
  transform: translateX(18px);
}

.auth-theme-toggle {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 2;
}

.panel {
  grid-row: 2;
  width: 100%;
  max-width: none;
  min-height: 0;
  padding: 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-panel);
}

:root[data-theme="dark"] .sidebar,
:root[data-theme="dark"] .topbar,
:root[data-theme="dark"] .panel,
:root[data-theme="dark"] .login-panel,
:root[data-theme="dark"] .chat-history,
:root[data-theme="dark"] .preview-stage,
:root[data-theme="dark"] table,
:root[data-theme="dark"] .loading-box,
:root[data-theme="dark"] .modal-box {
  background: var(--color-surface);
}

:root[data-theme="dark"] .nav button,
:root[data-theme="dark"] .chat-session,
:root[data-theme="dark"] .chat-references button,
:root[data-theme="dark"] .theme-toggle {
  background: #07152b;
  color: var(--color-text);
}

:root[data-theme="dark"] .nav button.active,
:root[data-theme="dark"] button.primary,
:root[data-theme="dark"] button {
  border-color: var(--color-accent);
}

:root[data-theme="dark"] .nav button.active {
  background: var(--color-accent);
}

:root[data-theme="dark"] .brand img,
:root[data-theme="dark"] .login-logo,
:root[data-theme="dark"] .loading-box img {
  padding: 10px;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.panel[hidden] {
  display: none;
}

.panel[data-view="chat"]:not([hidden]) {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.section-title {
  margin-top: 0;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.stat {
  padding: 18px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.stat strong {
  display: block;
  color: var(--color-primary);
  font-size: 26px;
}

.dashboard-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.dashboard-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.dashboard-card h3 {
  margin-top: 0;
  color: var(--color-primary);
}

.bar-row {
  display: grid;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid #dce3e8;
}

.bar-row:last-child {
  border-bottom: 0;
}

.bar-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.bar-row-head strong {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--color-primary);
}

.bar-row-head span {
  flex: 0 0 auto;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 700;
}

.bar-track {
  overflow: hidden;
  height: 12px;
  border-radius: 999px;
  background: #dce3e8;
}

.bar-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-blue-gray));
}

.notice {
  padding: 16px;
  border: 1px solid #d7dee3;
  border-left: 4px solid var(--color-blue-gray);
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.status-line {
  min-height: 22px;
  margin-bottom: 12px;
  color: var(--color-accent);
  font-size: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
  margin: 18px 0 24px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-blue-gray);
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.file-picker {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 45px;
  padding: 6px;
  border: 1px dashed var(--color-blue-gray);
  border-radius: var(--border-radius);
  background: #ffffff;
  cursor: pointer;
}

.file-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.file-picker-button {
  padding: 9px 12px;
  border-radius: 7px;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

.file-picker-name {
  overflow: hidden;
  color: var(--color-muted);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

:root[data-theme="dark"] .file-picker {
  background: #07152b;
}

:root[data-theme="dark"] .file-picker-button {
  background: var(--color-accent);
}

.files-form {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.field.compact {
  margin: 0;
}

.field.wide {
  grid-column: span 2;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 43px;
  color: var(--color-text);
}

.check-row input {
  width: auto;
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 43px;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 700;
}

.checkbox-field input {
  width: auto;
  min-height: auto;
}

.form-actions {
  display: flex;
  gap: 8px;
}

.form-actions button:last-child,
.inline-form button {
  background: var(--color-secondary);
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 20px;
}

.permissions-panel {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.permissions-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  margin: 12px 0;
}

.check-list {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow-y: auto;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.check-list .check-row {
  align-items: flex-start;
  min-height: 0;
  margin: 0;
  padding: 6px 4px;
}

.check-list .check-row span,
.check-list .check-row strong,
.check-list .check-row small {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}

.check-list .check-row small {
  color: var(--color-muted);
  font-size: 12px;
}

.inline-form {
  display: grid;
  grid-template-columns: 1fr 140px auto;
  gap: 8px;
  margin-bottom: 12px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: #ffffff;
}

.table-filter {
  display: grid;
  grid-template-columns: minmax(160px, 220px) minmax(220px, 360px);
  gap: 10px;
  align-items: center;
  margin: 10px 0 12px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-blue-gray);
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.table-filter label {
  color: var(--color-primary);
  font-weight: 700;
}

.table-filter input {
  min-height: 38px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid #dce3e8;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f8fbfc;
  color: var(--color-primary);
  font-size: 13px;
  text-transform: uppercase;
}

tbody tr:hover {
  background: #f8fbfc;
}

tr:last-child td {
  border-bottom: 0;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.row-actions button {
  padding: 7px 9px;
  border-radius: 7px;
  font-size: 13px;
}

.danger-button {
  background: var(--color-danger);
  border-color: var(--color-danger);
}

.chunks-panel {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.chunk-item {
  margin-bottom: 12px;
  padding: 12px;
  border-left: 4px solid var(--color-blue-gray);
  background: #ffffff;
}

.chunk-item strong {
  display: block;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.chat-layout {
  display: grid;
  grid-template-columns: 230px minmax(420px, 1fr) minmax(360px, 0.9fr);
  gap: 14px;
  height: 100%;
  min-height: 0;
  max-height: 100%;
  overflow: hidden;
}

.chat-sessions {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  align-content: start;
  gap: 12px;
  min-height: 0;
  overflow: hidden;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.chat-session-actions {
  display: grid;
  gap: 8px;
}

.chat-session-actions button {
  width: 100%;
}

.chat-sessions [data-chat-sessions] {
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.chat-session {
  width: 100%;
  margin-top: 8px;
  background: #ffffff;
  color: var(--color-primary);
  text-align: left;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 8px;
  display: grid;
  gap: 8px;
}

.chat-session.active {
  background: var(--color-primary);
  color: #ffffff;
}

.chat-session-open {
  width: 100%;
  padding: 0;
  background: transparent;
  border: 0;
  color: inherit;
  text-align: left;
  box-shadow: none;
}

.chat-session-open:hover {
  background: transparent;
  border: 0;
  color: inherit;
}

.chat-session-delete {
  width: 100%;
  padding: 8px 10px;
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #ffffff;
}

.chat-session strong,
.chat-session span {
  display: block;
}

.chat-session span,
.small {
  font-size: 12px;
}

.chat-workspace {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  gap: 10px;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.chat-history {
  overflow-y: auto;
  min-height: 0;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: #ffffff;
}

.chat-message {
  width: min(780px, 92%);
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.chat-message.user {
  margin-left: auto;
  background: var(--color-primary);
  color: #ffffff;
}

.chat-message.assistant {
  border-left: 4px solid var(--color-accent);
}

.chat-message strong {
  display: block;
  margin-bottom: 6px;
}

.chat-message p {
  margin: 0;
  line-height: 1.55;
}

.chat-references {
  display: grid;
  gap: 6px;
  margin-top: 12px;
}

.chat-references button {
  background: #ffffff;
  color: var(--color-primary);
  text-align: left;
  border-left: 3px solid var(--color-accent);
}

.chat-references button:hover {
  background: #f8fbfc;
}

.chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.chat-form textarea {
  width: 100%;
  min-height: 74px;
  resize: none;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font: inherit;
}

.chat-layout .preview-panel {
  grid-template-rows: auto auto minmax(0, 1fr);
}

.files-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.58fr);
  gap: 14px;
  align-items: start;
}

.files-layout > div,
.files-layout .table-wrap {
  min-width: 0;
}

.files-layout table {
  table-layout: auto;
  min-width: max-content;
}

.files-layout th,
.files-layout td {
  min-width: max-content;
  white-space: nowrap;
}

.upload-image-preview {
  display: grid;
  gap: 8px;
}

.upload-image-preview[hidden] { display: none; }

.upload-image-preview img {
  max-width: min(420px, 100%);
  max-height: 280px;
  object-fit: contain;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.files-layout .row-actions {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
}

.files-layout .row-actions button {
  min-width: 0;
  padding-inline: 8px;
  white-space: nowrap;
}

.file-group-row td {
  background: rgba(3, 29, 71, 0.08);
  color: var(--color-primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.preview-panel {
  display: grid;
  grid-template-rows: auto auto minmax(360px, 1fr);
  gap: 10px;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: #f8fbfc;
}

.preview-panel.is-collapsed {
  grid-template-rows: auto;
}

.preview-panel.is-collapsed .preview-pages,
.preview-panel.is-collapsed .preview-stage {
  display: none;
}

.preview-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.preview-header strong {
  color: var(--color-primary);
}

.preview-actions,
.preview-pages {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.preview-actions button,
.preview-pages button {
  padding: 7px 10px;
  border-radius: 7px;
}

.preview-pages {
  justify-content: space-between;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
}

.page-jump {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-jump input {
  width: 82px;
  padding: 7px 8px;
  border: 1px solid var(--color-border);
  border-radius: 7px;
  font: inherit;
}

.preview-stage {
  overflow: auto;
  min-height: 0;
  padding: 12px;
  border: 1px solid #dce3e8;
  border-radius: var(--border-radius);
  background: #ffffff;
}

.preview-frame {
  display: block;
  min-height: 620px;
  border: 0;
  background: #ffffff;
}

.preview-canvas {
  display: block;
  max-width: none;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(3, 29, 71, 0.12);
}

.preview-image {
  display: block;
  max-width: 100%;
  width: auto;
  height: auto;
  max-height: 72vh;
  margin: 0 auto;
  object-fit: contain;
}

.preview-error {
  margin: 20px;
  color: var(--color-danger);
  font-weight: 700;
  text-align: center;
}

.loading-overlay,
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(3, 29, 71, 0.55);
}

.loading-overlay[hidden],
.modal-overlay[hidden] {
  display: none;
}

.loading-box,
.modal-box {
  width: min(420px, 100%);
  padding: 26px;
  border: 1px solid var(--color-border);
  border-top: 5px solid var(--color-accent);
  border-radius: var(--border-radius);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.loading-box img {
  width: 120px;
  margin-bottom: 16px;
}

.loading-box strong,
.loading-box span {
  display: block;
}

.loading-box strong,
.modal-box h2 {
  color: var(--color-primary);
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.modal-box p {
  color: var(--color-secondary);
  line-height: 1.5;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: pre-line;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

.modal-actions button:first-child {
  background: var(--color-secondary);
}

.modal-actions button:last-child {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.muted {
  color: var(--color-muted);
}

.role-pill {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-secondary);
  color: #ffffff;
  font-size: 13px;
}

:root[data-theme="dark"] .stat,
:root[data-theme="dark"] .notice,
:root[data-theme="dark"] .dashboard-card,
:root[data-theme="dark"] .form-grid,
:root[data-theme="dark"] .table-filter,
:root[data-theme="dark"] .check-list,
:root[data-theme="dark"] .chunks-panel,
:root[data-theme="dark"] .chat-sessions,
:root[data-theme="dark"] .chat-message,
:root[data-theme="dark"] .preview-panel {
  background: #0b1930;
}

:root[data-theme="dark"] .password-toggle:hover,
:root[data-theme="dark"] .password-toggle.is-visible {
  background: #07152b;
}

:root[data-theme="dark"] .pie-chart::after {
  background: #0b1930;
}

:root[data-theme="dark"] th,
:root[data-theme="dark"] tbody tr:hover {
  background: #0b1930;
}

:root[data-theme="dark"] tbody tr {
  background: var(--color-surface);
}

:root[data-theme="dark"] td {
  border-color: #223b5e;
}

:root[data-theme="dark"] .bar-row {
  border-color: #223b5e;
}

:root[data-theme="dark"] .bar-track {
  background: #07152b;
}

:root[data-theme="dark"] .modal-box p {
  color: var(--color-muted);
}

:root[data-theme="dark"] .welcome-copy {
  border-color: #345682;
  border-left-color: var(--color-accent);
  background: #07152b;
  color: #d5e2f2;
}

:root[data-theme="dark"] .secondary-button {
  background: #07152b;
  border-color: #7ea0cc;
  color: #ffffff;
}

:root[data-theme="dark"] .secondary-button:hover {
  background: #0b1930;
  border-color: #9bb8dc;
}

:root[data-theme="dark"] button,
:root[data-theme="dark"] button.primary,
:root[data-theme="dark"] .form-actions button:last-child,
:root[data-theme="dark"] .inline-form button,
:root[data-theme="dark"] .file-picker-button,
:root[data-theme="dark"] .modal-actions button:first-child,
:root[data-theme="dark"] .modal-actions button:last-child,
:root[data-theme="dark"] .danger-button {
  background: #345682;
  border-color: #7ea0cc;
  color: #ffffff;
}

:root[data-theme="dark"] button:hover,
:root[data-theme="dark"] button.primary:hover,
:root[data-theme="dark"] .form-actions button:last-child:hover,
:root[data-theme="dark"] .inline-form button:hover,
:root[data-theme="dark"] .file-picker-button:hover,
:root[data-theme="dark"] .modal-actions button:first-child:hover,
:root[data-theme="dark"] .modal-actions button:last-child:hover,
:root[data-theme="dark"] .danger-button:hover {
  background: #436b9e;
  border-color: #7ea0cc;
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .mobile-menu-toggle {
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 1200;
    display: inline-grid;
    width: 46px;
    height: 46px;
    place-items: center;
    gap: 4px;
    padding: 10px;
    border-color: var(--color-border);
    border-radius: 10px;
    background: var(--color-primary);
    box-shadow: var(--shadow-panel);
  }

  .mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background: #ffffff;
    transition: transform 0.16s ease, opacity 0.16s ease;
  }

  body.mobile-menu-open .mobile-menu-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

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

  body.mobile-menu-open .mobile-menu-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: block;
    background: rgba(3, 29, 71, 0.46);
    backdrop-filter: blur(2px);
  }

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

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1100;
    width: min(82vw, 320px);
    height: 100dvh;
    padding: 76px 18px 20px;
    border-right: 1px solid var(--color-border);
    border-bottom: 0;
    box-shadow: 14px 0 30px rgba(3, 29, 71, 0.22);
    transform: translateX(calc(-100% - 20px));
    transition: transform 0.2s ease;
  }

  body.mobile-menu-open .sidebar {
    transform: translateX(0);
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
  }

  .brand img {
    width: 92px;
    margin: 0;
  }

  .nav {
    grid-template-columns: 1fr;
  }

  .main {
    display: block;
    min-height: auto;
    padding: 76px 14px 14px;
  }

  .topbar {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .topbar-actions,
  .topbar-actions button {
    width: 100%;
  }

  .topbar-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .welcome-copy {
    margin-top: 0;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-panels {
    grid-template-columns: 1fr;
  }

  .table-wrap {
    overflow: visible;
    border: 0;
    background: transparent;
  }

  table,
  thead,
  tbody,
  tr,
  th,
  td {
    display: block;
  }

  thead {
    display: none;
  }

  tbody {
    display: grid;
    gap: 12px;
  }

  tbody tr {
    padding: 12px;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius);
    background: #ffffff;
    box-shadow: var(--shadow-panel);
  }

  tbody tr:hover {
    background: #ffffff;
  }

  :root[data-theme="dark"] tbody tr:hover {
    background: var(--color-surface);
  }

  td {
    display: grid;
    grid-template-columns: minmax(120px, 38%) minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    min-width: 0;
    padding: 9px 0;
    border-bottom: 1px solid #edf1f4;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  td:last-child {
    border-bottom: 0;
  }

  td::before {
    min-width: 0;
    color: var(--color-primary);
    content: attr(data-label);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
  }

  td.row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  td.row-actions::before {
    flex: 0 0 100%;
    align-self: start;
  }

  td.row-actions button {
    flex: 1 1 calc(50% - 4px);
    min-width: 0;
    margin-bottom: 0;
  }

  .file-group-row {
    padding: 0;
    border-left-color: var(--color-accent);
    box-shadow: none;
  }

  .file-group-row td {
    display: block;
    padding: 12px;
    border-bottom: 0;
    overflow-wrap: anywhere;
  }

  .file-group-row td::before {
    content: none;
  }

  .form-grid,
  .split-grid,
  .permissions-grid,
  .inline-form,
  .table-filter,
  .files-layout,
  .chat-layout,
  .chat-form {
    grid-template-columns: 1fr;
  }

  .field.wide {
    grid-column: span 1;
  }

  .file-picker {
    grid-template-columns: 1fr;
  }

  .file-picker-button {
    width: 100%;
  }

  .panel {
    padding: 16px;
  }

  .panel[data-view="chat"]:not([hidden]) {
    height: auto;
    min-height: calc(100dvh - 28px);
    overflow: visible;
  }

  .chat-layout {
    height: auto;
    max-height: none;
    overflow: visible;
  }

  .chat-workspace {
    grid-template-rows: minmax(42dvh, 1fr) auto auto;
  }

  .preview-panel {
    min-height: 460px;
  }
}