:root {
  color-scheme: light;
  --background: #fafafa;
  --surface: #ffffff;
  --surface-muted: #f4f4f5;
  --foreground: #09090b;
  --secondary: #52525b;
  --border: #e4e4e7;
  --border-strong: #a1a1aa;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --success: #166534;
  --success-bg: #dcfce7;
  --warning: #854d0e;
  --warning-bg: #fef3c7;
  --danger: #b91c1c;
  --danger-hover: #991b1b;
  --danger-bg: #fee2e2;
  --focus: #1d4ed8;
  --shadow: 0 12px 32px rgb(9 9 11 / 10%);
  --radius: 10px;
  --z-toast: 30;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--background);
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--foreground);
}

body {
  min-height: 100dvh;
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button,
select,
input[type="checkbox"] {
  cursor: pointer;
  touch-action: manipulation;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid rgb(37 99 235 / 35%);
  outline-offset: 2px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 2px;
  font-size: clamp(1.5rem, 2vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2 {
  margin-bottom: 4px;
  font-size: 1.25rem;
}

h3 {
  margin-bottom: 8px;
  font-size: 1rem;
}

code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9em;
}

.skip-link {
  position: fixed;
  z-index: var(--z-toast);
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 6px;
  color: #ffffff;
  background: var(--foreground);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.login-shell {
  display: grid;
  min-height: 100dvh;
  place-items: center;
  padding: 32px 16px;
}

.login-card {
  width: min(100%, 440px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-heading {
  margin-bottom: 24px;
}

.login-heading h1 {
  margin-bottom: 8px;
}

.login-heading > p:last-child {
  margin-bottom: 0;
  color: var(--secondary);
}

.security-note {
  display: grid;
  gap: 2px;
  margin-bottom: 22px;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--warning);
  background: #fffbeb;
  font-size: 0.84rem;
}

.security-note span {
  color: #713f12;
}

.login-form {
  display: grid;
  gap: 18px;
}

.login-form .field + .field {
  margin-top: 0;
}

.login-error {
  min-height: 1.5em;
  margin: -4px 0 0;
  color: var(--danger);
  font-size: 0.875rem;
  font-weight: 600;
}

.login-submit {
  width: 100%;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(100% - 48px, 1360px);
  margin: 0 auto;
  padding: 12px 0 10px;
}

.topbar h1 {
  margin-bottom: 0;
  font-size: 1.4rem;
}

.eyebrow {
  margin-bottom: 2px;
  color: var(--secondary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.helper {
  margin-bottom: 0;
  color: var(--secondary);
}

.topbar-actions,
.modal-actions,
.row-actions,
.preview-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.button,
.icon-button,
.tab {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 9px 14px;
  font-weight: 650;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

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

.button-primary:hover {
  background: var(--accent-hover);
}

.button-secondary,
.icon-button,
.tab {
  border-color: var(--border);
  color: var(--foreground);
  background: var(--surface);
}

.button-secondary:hover,
.icon-button:hover,
.tab:hover {
  background: var(--surface-muted);
}

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

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

.icon-button {
  min-width: 64px;
}

.status-pill,
.path-status {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.status-pill::before,
.path-status::before {
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.status-loading,
.status-idle {
  color: var(--warning);
  background: var(--warning-bg);
}

.status-ok,
.status-online {
  color: var(--success);
  background: var(--success-bg);
}

.status-error,
.status-offline {
  color: var(--danger);
  background: var(--danger-bg);
}

.page {
  width: min(100% - 48px, 1360px);
  margin: 0 auto;
  padding-bottom: 48px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 4px 0 6px;
}

.stat-card,
.paths-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.stat-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 24px;
  padding: 0 10px;
}

.stat-card span {
  display: block;
  margin-bottom: 0;
  color: var(--secondary);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.25;
}

.stat-card strong {
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.25;
}

.paths-panel {
  overflow: hidden;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
}

.filters {
  display: flex;
  align-items: center;
  gap: 10px;
}

.filters label,
.field {
  display: grid;
  gap: 6px;
}

.filters label {
  display: flex;
  align-items: center;
}

.filters label > span,
.field > label {
  font-size: 0.82rem;
  font-weight: 650;
}

input,
select {
  min-height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  padding: 9px 11px;
  color: var(--foreground);
  background: var(--surface);
}

input[readonly] {
  cursor: default;
  color: var(--secondary);
  background: var(--surface-muted);
}

.search-field input {
  width: min(28vw, 280px);
}

.page-alert,
.form-alert {
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: var(--danger);
  background: #fff7f7;
}

.page-alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 18px 22px 0;
  padding: 14px 16px;
}

.page-alert p,
.form-alert {
  margin-bottom: 0;
  font-size: 0.875rem;
}

.loading-state,
.empty-state {
  display: grid;
  place-items: center;
  min-height: 310px;
  padding: 40px 20px;
  text-align: center;
}

.loading-state {
  align-content: center;
  grid-auto-flow: column;
  gap: 12px;
  color: var(--secondary);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

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

.empty-state p {
  max-width: 520px;
  color: var(--secondary);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--secondary);
  background: var(--surface-muted);
  font-size: calc(0.78rem + 2px);
  font-weight: 700;
}

th:nth-child(1) { width: 15%; }
th:nth-child(2) { width: 10%; }
th:nth-child(3) { width: 33%; }
th:nth-child(4) { width: 9%; }
th:nth-child(5) { width: 8%; }
th:nth-child(6) { width: 25%; }

td {
  font-size: 0.875rem;
}

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

.path-name {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.source-address {
  display: block;
  overflow: hidden;
  color: var(--secondary);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.8rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.readers {
  font-variant-numeric: tabular-nums;
}

.row-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.row-actions .button {
  min-height: 38px;
  padding: 6px 10px;
  font-size: 0.8rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 4px 14px;
  border-top: 1px solid var(--border);
  color: var(--secondary);
  background: var(--surface);
}

.pagination-summary {
  margin: 0;
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.pagination-controls,
.pagination-controls label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pagination-controls label > span,
.pagination-page {
  font-size: 0.82rem;
  font-weight: 650;
  white-space: nowrap;
}

.pagination-controls select {
  min-width: 72px;
}

.pagination-page {
  min-width: 64px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.card-list {
  display: none;
}

.modal {
  width: min(720px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  margin: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0;
  color: var(--foreground);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.modal::backdrop {
  background: rgb(9 9 11 / 55%);
}

.modal form,
.modal > div:not(.modal-header),
.modal > p,
.modal > aside {
  margin-right: 0;
}

.modal form {
  padding: 22px;
}

.modal > .modal-header,
.modal > .preview-tabs,
.modal > .preview-layout {
  margin-right: 22px;
  margin-left: 22px;
}

.modal > .modal-header {
  margin-top: 22px;
}

.modal-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.modal-header h2 {
  margin-bottom: 0;
}

.form-alert {
  margin-bottom: 18px;
  padding: 11px 13px;
}

.field + .field,
.field-grid {
  margin-top: 18px;
}

.helper,
.field-error {
  font-size: 0.78rem;
}

.field-error {
  min-height: 1.2em;
  margin: 0;
  color: var(--danger);
  font-weight: 600;
}

.password-field {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.switch-field {
  display: flex;
  align-items: center;
  min-height: 72px;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
}

.switch-field input {
  width: 22px;
  min-height: 22px;
  margin: 0;
  accent-color: var(--accent);
}

.switch-field strong,
.switch-field small {
  display: block;
}

.switch-field small {
  color: var(--secondary);
}

.modal-actions {
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.modal-small {
  width: min(520px, calc(100% - 32px));
}

.modal-small p {
  line-height: 1.65;
}

.danger-text {
  color: var(--danger);
}

.modal-wide {
  width: min(1180px, calc(100% - 32px));
  padding-bottom: 22px;
}

.preview-tabs {
  margin-bottom: 14px;
}

.tab[aria-selected="true"] {
  border-color: var(--accent);
  color: #ffffff;
  background: var(--accent);
}

.preview-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 18px;
}

.preview-frame-wrap {
  min-width: 0;
}

#preview-frame {
  display: block;
  width: 100%;
  min-height: 460px;
  border: 0;
  border-radius: 9px;
  background: #111827;
}

.preview-frame-wrap .helper {
  margin-top: 8px;
}

.output-panel {
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 16px;
  background: var(--surface-muted);
}

.output-item + .output-item {
  margin-top: 16px;
}

.output-item label {
  display: block;
  margin-bottom: 5px;
  font-size: 0.78rem;
  font-weight: 700;
}

.output-value {
  display: block;
  margin-bottom: 7px;
  overflow-wrap: anywhere;
  color: var(--secondary);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.76rem;
}

.output-item .button {
  width: 100%;
}

.toast {
  position: fixed;
  z-index: var(--z-toast);
  right: 20px;
  bottom: 20px;
  max-width: min(420px, calc(100% - 40px));
  border-radius: 8px;
  padding: 13px 16px;
  color: #ffffff;
  background: var(--foreground);
  box-shadow: var(--shadow);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .topbar-actions {
    flex-wrap: wrap;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .filters,
  .filters label,
  .search-field input {
    width: 100%;
  }

  .preview-layout {
    grid-template-columns: 1fr;
  }

  #preview-frame {
    min-height: 380px;
  }
}

@media (max-width: 700px) {
  .login-shell {
    align-items: start;
    padding-top: 20px;
  }

  .login-card {
    padding: 22px 18px;
  }

  .topbar,
  .page {
    width: min(100% - 32px, 1360px);
  }

  .topbar {
    padding-top: 12px;
  }

  .topbar-actions .status-pill {
    width: 100%;
    justify-content: center;
  }

  .topbar-actions .button {
    flex: 1;
    padding-inline: 8px;
    font-size: 0.875rem;
    white-space: nowrap;
  }

  .stats {
    gap: 8px;
  }

  .stat-card {
    min-height: 24px;
    padding: 0 10px;
  }

  .panel-heading {
    padding: 8px 12px;
  }

  .filters {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(100px, 1fr);
    align-items: stretch;
    gap: 8px;
  }

  .filters label {
    display: grid;
  }

  .pagination {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
    padding: 8px 12px;
  }

  .pagination-summary {
    text-align: center;
  }

  .pagination-controls {
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
  }

  .pagination-controls label {
    gap: 4px;
  }

  .pagination-controls select {
    min-width: 64px;
    padding-inline: 8px;
  }

  .pagination-controls .button {
    padding-inline: 10px;
  }

  .pagination-page {
    min-width: 56px;
  }

  .table-wrap {
    display: none;
  }

  .card-list {
    display: grid;
    gap: 12px;
    padding: 14px;
  }

  .path-card {
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 16px;
  }

  .path-card-heading {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
  }

  .path-card .source-address {
    margin-bottom: 12px;
    overflow: visible;
    text-overflow: initial;
    white-space: normal;
  }

  .path-card-meta {
    margin-bottom: 14px;
    color: var(--secondary);
    font-size: 0.82rem;
  }

  .row-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .row-actions .button {
    min-height: 44px;
  }

  .field-grid,
  .password-field {
    grid-template-columns: 1fr;
  }

  .modal {
    width: calc(100% - 20px);
    max-height: calc(100dvh - 20px);
  }

  .modal form {
    padding: 18px;
  }

  .modal > .modal-header,
  .modal > .preview-tabs,
  .modal > .preview-layout {
    margin-right: 16px;
    margin-left: 16px;
  }

  .modal > .modal-header {
    margin-top: 16px;
  }

  #preview-frame {
    min-height: 280px;
  }
}

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