:root {
  --panel: #ffffff;
  --ink: #101827;
  --ink-soft: #6d7280;
  --line: #e4e2dc;
  --line-strong: #d6d2c9;
  --accent: #1d8f5f;
  --accent-strong: #106d49;
  --accent-soft: #e9f7ee;
  --orange: #df6d20;
  --orange-soft: #fff3e8;
  --surface-strong: #ffffff;
  --surface-highlight: #fffaf5;
  --surface-info-soft: #f8fbff;
  --danger-ink: #8f1f2a;
  --danger-bg-soft: #ffdfe4;
  --danger-border-soft: #efb9c1;
  --warning-ink: #a34d15;
  --warning-border-soft: #efcfb5;
  --warning-border: #f0d4bd;
  --tab-active-ink: #b55216;
  --link-ink: #0b6f58;
  --focus-ring: rgba(36, 104, 216, 0.24);
  --danger-bg-hover: #ffcfd5;
  --danger-bg-active: #ffbfc5;
  --danger-border-hover: #e8a5b5;
  --status-info-bg: #effaf6;
  --status-info-border: #a8ddcd;
  --status-info-ink: #0f5f49;
  --status-warning-bg: #fff3e8;
  --status-warning-border: #f0d4bd;
  --status-warning-ink: #a34d15;
  --status-error-bg: #ffdfe4;
  --status-error-border: #efb9c1;
  --status-error-ink: #8f1f2a;
  --space-1: 4px;
  --space-2: 6px;
  --space-3: 8px;
  --space-4: 10px;
  --space-5: 12px;
  --space-6: 14px;
  --space-7: 16px;
  --space-8: 18px;
  --space-9: 20px;
  --space-10: 24px;
  --space-11: 28px;
  --space-12: 30px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 10px;
  --radius-2xl: 12px;
  --radius-3xl: 18px;
  --radius-4xl: 22px;
  --radius-pill: 999px;
  --motion-base: 180ms;
  --ease-standard: ease;
  --shadow: 0 18px 44px rgba(38, 44, 58, 0.08);
  --font-size-label-xs: 0.75rem;
  --font-size-label-sm: 0.76rem;
  --font-size-body-sm: 0.86rem;
  --font-size-body-md: 0.92rem;
  --font-size-title-sm: 0.98rem;
  --font-size-title-md: 1.38rem;
  --font-size-display: clamp(2rem, 3.6vw, 3rem);
  --line-height-tight: 1.05;
  --line-height-body: 1.55;
  --line-height-label: 1.25;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(rgb(246, 242, 234), rgb(248, 250, 252));
}

.page {
  max-width: 1360px;
  margin: 0 auto;
  padding: var(--space-11) var(--space-10) 52px;
}

.hero {
  margin-bottom: var(--space-10);
  padding: var(--space-11) var(--space-12);
  border: 1px solid var(--line);
  border-radius: var(--radius-4xl);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-7);
}

.header-status {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-weight: 900;
  letter-spacing: 0.02em;
}

.logo-image {
  width: 230px;
  height: 50px;
  background-image: url('/assets/openquatt-logo-horizontal-universal.svg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  flex: 0 0 auto;
  display: inline-block;
}

.logo-mark {
  width: clamp(115px, 12vw, 132px);
}

.kicker {
  margin: 0 0 var(--space-4);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.hero h1 {
  margin: 0;
  font-size: var(--font-size-display);
  font-weight: bold;
  line-height: var(--line-height-tight);
  letter-spacing: -.04em;
}

.subtitle {
  margin: var(--space-4) 0 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: var(--line-height-body);
}

.page-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  width: 100%;
  padding: 0 0 var(--space-9);
}

.page-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.9);
  color: #4b5565;
  cursor: pointer;
  font: inherit;
  font-size: 0.96rem;
  font-weight: 800;
  padding: var(--space-3) var(--space-7);
  box-shadow: 0 8px 18px rgba(38, 44, 58, 0.04);
}

.page-tab:hover {
  border-color: var(--warning-border-soft);
  background: var(--surface-highlight);
  color: var(--ink);
}

.page-tab.active {
  border-color: var(--warning-border-soft);
  background: var(--orange-soft);
  color: var(--tab-active-ink);
}

.tab-icon {
  color: currentColor;
  font-size: 0.92rem;
}

.page-tab:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: var(--space-1);
}

.page-view[hidden] {
  display: none;
}

.admin-login-modal {
  width: min(92vw, 420px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-2xl);
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 24px 70px rgba(38, 44, 58, 0.24);
}

.admin-login-modal::backdrop {
  background: rgba(16, 24, 39, 0.42);
}

.admin-login-modal .login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
  padding: var(--space-10);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
}

.modal-header h2 {
  margin: 0;
  font-size: var(--font-size-title-md);
}

.modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 1.1rem;
}

.modal-close:hover {
  color: var(--ink);
  background: var(--surface-highlight);
}

.admin-login-modal .form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  color: var(--ink-soft);
  font-size: var(--font-size-label-sm);
  font-weight: 700;
}

.admin-login-modal .form-group input {
  width: 100%;
  padding: var(--space-6) var(--space-7);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--ink);
  background: var(--panel);
  font: inherit;
}

.admin-login-modal .form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.admin-login-modal .login-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-10);
  border: none;
  border-radius: var(--radius-lg);
  background: var(--accent);
  color: white;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.admin-login-modal .login-button:hover {
  background: var(--accent-strong);
}

.error-message {
  margin: 0;
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--danger-border-soft);
  border-radius: var(--radius-lg);
  background: var(--danger-bg-soft);
  color: var(--danger-ink);
  font-size: var(--font-size-body-sm);
}

.card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-4xl);
  padding: 26px;
  box-shadow: var(--shadow);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.card-head h2 {
  margin: 0;
  font-size: var(--font-size-title-md);
  font-weight: 900;
}

.active-filter {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-5);
  padding: var(--space-2) var(--space-4);
  border: 1px solid #d9d5cc;
  border-radius: var(--radius-xl);
  background: var(--surface-highlight);
}

.active-filter-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 10px 4px 9px;
  border: 1px solid #e2e7ef;
  border-radius: var(--radius-pill);
  background: #f2f4f7;
  color: var(--ink-soft);
  font-size: var(--font-size-label-sm);
  font-weight: 800;
  line-height: 1.3;
}

.filter-pill-label {
  white-space: nowrap;
}

.filter-pill-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font: inherit;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.filter-pill-remove:hover {
  background: rgba(0, 0, 0, 0.05);
}

.filter-pill-remove:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

:is(.detail-filter-button, .snapshot-calendar-toggle, .snapshot-calendar-nav button) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  transition: all var(--motion-base) var(--ease-standard);
}

.active-filter-clear {
  border: 1px solid #ead3c2;
  border-radius: var(--radius-pill);
  background: var(--surface-strong);
  color: var(--warning-ink);
  font-size: var(--font-size-label-sm);
  font-weight: 900;
  padding: 3px 9px;
}

.active-filter-clear:hover {
  background: var(--orange-soft);
}

.active-filter-clear:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 24px;
  padding: 2px 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-label-sm);
  font-weight: 700;
  line-height: var(--line-height-label);
  white-space: nowrap;
}

.badge--icon {
  width: 34px;
  min-width: 34px;
  padding: 2px 6px;
}

.badge--label {
  padding: 2px 7px;
  font-size: var(--font-size-label-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge[data-badge-size="connection"] {
  width: 30px;
  min-width: 30px;
}

.badge[data-badge-size="hybrid"] {
  width: 42px;
  min-width: 42px;
}

.badge--interactive {
  cursor: pointer;
}

.badge--interactive:hover {
  filter: brightness(0.96);
}

.badge--interactive:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.badge[data-tone="success"] {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: #bde7cf;
}

.badge[data-tone="success"][data-emphasis="soft"] {
  color: #247555;
  background: #f2fbf5;
  border-color: #d1eddc;
}

.badge[data-tone="info"] {
  background: #e9f1ff;
  color: #1d4f8f;
  border-color: #c7daf9;
}

.badge[data-tone="warning"] {
  background: var(--orange-soft);
  color: var(--warning-ink);
  border-color: var(--warning-border);
}

.badge[data-tone="danger"] {
  background: var(--danger-bg-soft);
  color: var(--danger-ink);
  border-color: var(--danger-border-soft);
}

.badge[data-tone="muted"] {
  background: #f2f4f7;
  color: var(--ink-soft);
  border-color: #e2e7ef;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-3xl);
  background: var(--panel);
}

table {
  border-collapse: collapse;
  min-width: 1080px;
  width: 100%;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 10px var(--space-6);
  font-size: var(--font-size-body-md);
}

th {
  vertical-align: middle;
  font-size: var(--font-size-label-sm);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-soft);
  background: #f7f6f2;
  font-weight: 900;
}

td {
  vertical-align: center;
}

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

tr.snapshot-row {
  cursor: pointer;
}

tr.snapshot-row:hover {
  background: var(--surface-highlight);
}

tr.snapshot-row.stale,
tr.snapshot-row.handled {
  background:
    linear-gradient(90deg, rgba(176, 39, 53, 0.16) 0 6px, transparent 6px 100%),
    #fff3f4;
}

tr.snapshot-row.stale td,
tr.snapshot-row.handled td {
  border-bottom-color: #efc9cf;
}

tr.snapshot-row.stale:hover,
tr.snapshot-row.handled:hover {
  background:
    linear-gradient(90deg, rgba(176, 39, 53, 0.24) 0 6px, transparent 6px 100%),
    #ffe9ec;
}

tr.snapshot-row:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: -2px;
}

tr.snapshot-row[aria-expanded="true"] {
  background: #f5faf7;
}

.crash-payload-cell {
  width: 1%;
  text-align: right;
  white-space: nowrap;
}

tr.snapshot-row.stale[aria-expanded="true"],
tr.snapshot-row.handled[aria-expanded="true"] {
  background:
    linear-gradient(90deg, rgba(176, 39, 53, 0.22) 0 6px, transparent 6px 100%),
    #f5edf4;
}

tr.detail-row td {
  background: #fbfaf7;
  padding-top: 0;
}

.detail-wrap {
  margin-top: var(--space-2);
}

.detail-wrap h3 {
  margin: 0 0 10px;
  font-size: var(--font-size-body-sm);
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 900;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 2fr);
  gap: var(--space-3) var(--space-6);
}

.detail-key {
  color: #5b6370;
  font-size: var(--font-size-body-sm);
  font-weight: 800;
}

.detail-value {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  justify-content: flex-start;
  color: var(--ink);
  font-size: var(--font-size-body-sm);
  word-break: break-word;
}

.detail-value-content {
  min-width: 0;
  max-width: 100%;
  flex: 0 1 auto;
}

.detail-value-content--block {
  flex-basis: auto;
}

.crash-handled-button {
  margin-right: var(--space-2);
  transition: all var(--motion-base) var(--ease-standard);
}

.crash-handled-button:hover {
  border-color: var(--status-info-border);
  background: var(--status-info-bg);
  color: var(--status-info-ink);
}

.crash-handled-button.is-handled:hover {
  border-color: rgba(176, 39, 53, 0.35);
  background: rgba(176, 39, 53, 0.12);
  color: var(--danger-ink);
}

.crash-handled-button:focus-visible,
.crash-note-input:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

.crash-note-editor {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
  max-width: 720px;
}

.crash-note-editor label {
  color: var(--ink-soft);
  font-size: var(--font-size-body-sm);
  font-weight: 800;
}

.crash-note-input {
  width: 100%;
  min-height: 96px;
  padding: var(--space-4);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

.crash-note-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.crash-note-save {
  min-height: 30px;
  padding: 4px var(--space-5);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.crash-note-save:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.crash-note-status {
  color: var(--ink-soft);
  font-size: var(--font-size-body-sm);
}

.crash-report-summary,
.crash-report-command,
.crash-report-value {
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.crash-report-command {
  white-space: pre-wrap;
}

.action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--ink-soft);
  cursor: pointer;
  padding: 0;
  transition: all var(--motion-base) var(--ease-standard);
}

.detail-copy-button:hover {
  border-color: var(--status-info-border);
  background: var(--status-info-bg);
  color: var(--status-info-ink);
}

.detail-copy-button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

.detail-copy-button .mdi {
  font-size: 15px;
  line-height: 1;
}

.detail-copy-button.copying {
  transform: scale(0.92);
}

.detail-copy-button.copied,
.detail-copy-button.saved {
  border-color: var(--status-info-border);
  background: var(--status-info-bg);
  color: var(--status-info-ink);
  transform: scale(1.04);
}

.detail-copy-button.copy-failed {
  border-color: var(--status-error-border);
  background: var(--status-error-bg);
  color: var(--status-error-ink);
  transform: scale(1.04);
}

.detail-filter-button {
  border: 1px solid #d7e9dc;
  background: #f3fbf6;
  color: var(--accent-strong);
  font-size: var(--font-size-label-sm);
  font-weight: 800;
  line-height: 1.3;
  padding: 2px var(--space-3);
}

.detail-filter-button:hover {
  background: var(--accent-soft);
}

.detail-filter-button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

.detail-empty {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--font-size-body-sm);
}

th[aria-sort="ascending"],
th[aria-sort="descending"] {
  color: var(--tab-active-ink);
  background: var(--orange-soft);
}

.sort-button {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-transform: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}

.sort-button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: var(--space-1);
  border-radius: var(--radius-sm);
}

.sort-indicator {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 14px;
  gap: 0;
  color: #6c7b90;
}

th[aria-sort="ascending"] .sort-indicator,
th[aria-sort="descending"] .sort-indicator {
  color: var(--tab-active-ink);
}

.sort-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  font-size: 14px;
  line-height: 1;
  opacity: 0.3;
  transition: opacity var(--motion-base) var(--ease-standard);
}

.sort-indicator[data-direction="asc"] .sort-chevron-up,
.sort-indicator[data-direction="desc"] .sort-chevron-down {
  opacity: 1;
}

.sort-indicator[data-direction="none"] .sort-chevron {
  opacity: 0.35;
}

.mono {
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: var(--font-size-body-sm);
}

.empty {
  margin: 0;
  color: var(--ink-soft);
  padding: 6px 0;
}

.statistics-status {
  min-height: 20px;
  margin-bottom: 10px;
  color: var(--ink-soft);
  font-size: var(--font-size-body-sm);
}

.statistics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}

.modbus-partial-response-card {
  margin-bottom: var(--space-5);
}

.modbus-partial-response-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: center;
}

.modbus-partial-response-device {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.statistics-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-2xl);
  background: var(--surface-strong);
  padding: var(--space-7);
  box-shadow: 0 12px 26px rgba(38, 44, 58, 0.05);
}

.statistics-card h3 {
  margin: 0 0 var(--space-4);
  font-size: var(--font-size-title-sm);
  font-weight: 900;
}

.statistics-values {
  display: grid;
  gap: var(--space-3);
}

.statistics-value-row {
  display: grid;
  grid-template-columns: minmax(70px, 1fr) 42px 50px;
  gap: var(--space-3);
  align-items: center;
}

.statistics-value-label {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: var(--font-size-body-sm);
}

.statistics-value-filter {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--link-ink);
  font-size: var(--font-size-body-sm);
  font-weight: 700;
  text-align: left;
}

.statistics-value-filter:hover {
  color: #095b48;
  text-decoration: underline;
}

.statistics-value-filter:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: var(--space-1);
  border-radius: 3px;
}

.statistics-value-count,
.statistics-value-percentage {
  color: var(--ink-soft);
  font-size: var(--font-size-label-sm);
  text-align: right;
}

.statistics-bar-track {
  grid-column: 1 / -1;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #ece9e2;
}

.statistics-bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #42b67d);
}

.statistics-empty {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--font-size-body-sm);
}

.filters {
  padding: 0 0 var(--space-4);
}

.filters label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--font-size-body-sm);
  font-weight: 700;
  color: #454b56;
}

.filters input[type="checkbox"] {
  cursor: pointer;
  margin: 0;
}

.delete-button:hover {
  background: rgba(176, 39, 53, 0.12);
  border-color: rgba(176, 39, 53, 0.35);
}

.delete-button:active {
  background: rgba(176, 39, 53, 0.18);
  transform: translateY(1px);
}

.delete-button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.delete-button .mdi {
  font-size: 0.95em;
  line-height: 1;
}

.device-link,
.back-link {
  color: var(--link-ink);
  font-weight: 700;
  text-decoration: none;
}

.device-link:hover,
.back-link:hover {
  text-decoration: underline;
}

.back-link {
  display: inline-flex;
  margin-bottom: var(--space-5);
  font-size: var(--font-size-body-sm);
}

.device-note-form {
  display: grid;
  gap: var(--space-2);
  max-width: 520px;
  margin-top: var(--space-5);
}

.device-note-form > label {
  color: var(--ink-soft);
  font-size: var(--font-size-label-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.device-note-controls {
  display: flex;
  gap: var(--space-3);
}

.device-note-controls input {
  min-width: 0;
  flex: 1;
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface-info-soft));
  color: var(--ink);
  font: inherit;
  font-size: var(--font-size-body-sm);
  transition: border-color var(--motion-base) var(--ease-standard), box-shadow var(--motion-base) var(--ease-standard), background var(--motion-base) var(--ease-standard);
  padding: 7px 10px;
}

.device-note-controls input:hover {
  border-color: #b8c6d8;
}

.device-note-controls input:focus-visible {
  outline: none;
  border-color: var(--accent);
  background: var(--surface-strong);
  box-shadow: 0 0 0 3px var(--focus-ring);
  outline-offset: 1px;
}

.device-note-status {
  min-height: 1.2em;
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--font-size-body-sm);
}

.device-note-status-error {
  color: var(--status-error-ink);
}

.device-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin: 0 0 14px;
  padding: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.72);
}

.device-toolbar label {
  display: grid;
  gap: 4px;
  min-width: 150px;
  color: var(--ink-soft);
  font-size: var(--font-size-label-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.device-toolbar select {
  border: 1px solid #cbd8e8;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
  font-size: var(--font-size-body-sm);
  font-weight: 600;
  padding: 7px 10px;
}

.performance-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: var(--space-5);
  margin-top: var(--space-7);
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.72);
}

.performance-toolbar label {
  display: grid;
  gap: 4px;
  min-width: 180px;
  color: var(--ink-soft);
  font-size: var(--font-size-label-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.performance-toolbar select,
.performance-toolbar input {
  min-height: 38px;
  border: 1px solid #cbd8e8;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
  font-size: var(--font-size-body-sm);
  font-weight: 600;
  padding: 7px 10px;
}

.performance-status {
  min-height: 1.5em;
  margin: var(--space-4) 0 0;
  color: var(--ink-soft);
}

.performance-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.performance-summary-card {
  display: grid;
  gap: var(--space-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  padding: var(--space-4);
}

.performance-summary-card span,
.performance-chart-head span {
  color: var(--ink-soft);
  font-size: var(--font-size-label-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.performance-summary-card strong {
  color: var(--ink);
  font-size: var(--font-size-title-sm);
}

.performance-charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.performance-chart-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  padding: var(--space-5);
}

.performance-chart-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.performance-chart-head h3 {
  margin: 0;
  font-size: var(--font-size-title-sm);
}

.performance-chart {
  position: relative;
  min-height: 170px;
}

.performance-chart .metric-tooltip {
  max-width: calc(100% - 16px);
  white-space: normal;
  text-align: left;
}

.performance-chart-svg {
  display: block;
  width: 100%;
  height: 190px;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--surface-info-soft), var(--surface-strong));
}

.performance-grid-line {
  stroke: #dce5f2;
  stroke-width: 1;
}

.performance-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.performance-line-0 { stroke: #0d7a5f; color: #0d7a5f; }
.performance-line-1 { stroke: #d56b28; color: #d56b28; }
.performance-line-2 { stroke: #3f6fa8; color: #3f6fa8; }

.performance-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-2);
  color: var(--ink-soft);
  font-size: var(--font-size-label-xs);
  font-weight: 700;
}

.performance-legend-item::before {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 5px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.device-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  margin-bottom: 14px;
}

.device-summary-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  padding: var(--space-4);
}

.device-summary-label {
  display: block;
  margin-bottom: 5px;
  color: var(--ink-soft);
  font-size: var(--font-size-label-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.device-summary-value {
  display: block;
  overflow-wrap: anywhere;
  font-size: 1rem;
}

.status-ok {
  border-color: var(--status-info-border);
  background: var(--status-info-bg);
  color: var(--status-info-ink);
}

.status-warning {
  border-color: var(--status-warning-border);
  background: var(--status-warning-bg);
  color: var(--status-warning-ink);
}

.device-section {
  margin-bottom: 14px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}

.metric-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  padding: var(--space-5);
}

.metric-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.metric-card h3 {
  margin: 0;
  font-size: var(--font-size-title-sm);
}

.metric-chart {
  display: block;
  width: 100%;
  height: 120px;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--surface-info-soft), var(--surface-strong));
}

.metric-chart-wrap {
  position: relative;
}

.metric-chart-wrap .metric-chart {
  touch-action: none;
}

.metric-grid-line {
  stroke: #dce5f2;
  stroke-width: 1;
}

.metric-line {
  fill: none;
  stroke: #0d7a5f;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.metric-cursor-line {
  stroke: #3f5775;
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
}

.metric-cursor-dot {
  fill: var(--surface-strong);
  stroke: #0d7a5f;
  stroke-width: 2;
}

.metric-hit-area {
  fill: transparent;
  pointer-events: all;
}

.metric-tooltip {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid #cdd8e7;
  background: rgba(255, 255, 255, 0.96);
  color: #1f2d3f;
  font-size: var(--font-size-label-sm);
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 6px 16px rgba(13, 24, 39, 0.12);
}

.metric-tooltip span {
  display: block;
}

.metric-cursor-dot.performance-line-1 { stroke: #d56b28; }
.metric-cursor-dot.performance-line-2 { stroke: #3f6fa8; }

.metric-range {
  margin: var(--space-3) 0 0;
  color: var(--ink-soft);
}

.device-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-6);
}

/* Attribute Badges */
.attributes-cell {
  padding: 10px 14px;
}

.attribute-badges {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-2);
  align-items: center;
}

.attr-connection-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
}

.attr-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.badge--icon:not(.badge--interactive)[title] {
  cursor: help;
}

.events-list,
.snapshots-list {
  display: grid;
  gap: 10px;
}

.event-item {
  display: grid;
  gap: var(--space-1);
  border-left: 4px solid var(--status-info-border);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  color: var(--status-info-ink);
  padding: var(--space-4) var(--space-5);
}

.event-info {
  border-left-color: var(--status-info-border);
  background: var(--status-info-bg);
  color: var(--status-info-ink);
}

.event-warning {
  border-left-color: var(--status-warning-border);
  background: var(--status-warning-bg);
  color: var(--status-warning-ink);
}

.event-error {
  border-left-color: var(--status-error-border);
  background: var(--status-error-bg);
  color: var(--status-error-ink);
}

.event-action {
  cursor: pointer;
}

.event-action:hover {
  border-color: var(--danger-border-hover);
  background: var(--danger-bg-hover);
}

.event-action:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: var(--space-1);
}

.event-time {
  color: var(--ink-soft);
}

.snapshot-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  overflow: hidden;
}

.snapshot-item summary {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(80px, 0.6fr) minmax(80px, 0.6fr);
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
}

.snapshot-item[open] summary {
  border-bottom: 1px solid var(--line);
  background: var(--surface-info-soft);
}

.snapshot-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  padding: var(--space-4);
}

.snapshot-diff,
.snapshot-payload {
  max-height: 260px;
  margin: 0;
  overflow: auto;
  border-top: 1px solid var(--line);
  background: var(--surface-info-soft);
  color: #24384f;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.78rem;
  padding: var(--space-4);
  white-space: pre-wrap;
}

.snapshot-text-block {
  position: relative;
}

.snapshot-text-block .detail-copy-button {
  position: absolute;
  top: var(--space-4);
  right: calc(var(--space-4) + 16px);
  z-index: 1;
}

.snapshot-text-block-copyable .snapshot-diff,
.snapshot-text-block-copyable .snapshot-payload {
  padding-right: calc(var(--space-4) + 44px);
}

/* Snapshot pagination controls */
.snapshot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.snapshot-header-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

#snapshot-date-title {
  color: var(--ink-soft);
  font-weight: 500;
}

.snapshot-calendar-toggle {
  padding: var(--space-2) var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--motion-base) var(--ease-standard);
  flex-shrink: 0;
}

.snapshot-calendar-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.snapshot-calendar-toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.snapshot-calendar-container {
  margin-top: var(--space-5);
  padding: var(--space-5);
  border-top: 1px solid var(--line);
  max-height: 500px;
  overflow-y: auto;
  transition: all var(--motion-base) var(--ease-standard), opacity var(--motion-base) var(--ease-standard);
  opacity: 1;
}

.snapshot-calendar-container.snapshot-calendar-collapsed {
  display: none;
  margin-top: 0;
  max-height: 0;
  padding: 0 var(--space-5);
  border: none;
  opacity: 0;
  overflow: hidden;
  transition: all var(--motion-base) var(--ease-standard), opacity var(--motion-base) var(--ease-standard) 150ms;
}

.snapshot-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-1);
  max-width: 280px;
}

.snapshot-calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  font-weight: 600;
  font-size: 0.9rem;
}

.snapshot-calendar-nav {
  display: flex;
  gap: var(--space-2);
}

.snapshot-calendar-nav button {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--motion-base) var(--ease-standard);
}

.snapshot-calendar-nav button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.snapshot-calendar-weekday {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink-soft);
  text-align: center;
  padding: var(--space-1) 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.snapshot-calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e8e8e8;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--motion-base) var(--ease-standard);
  position: relative;
  min-height: 36px;
}

.snapshot-calendar-day.empty {
  background: transparent;
  border: none;
  cursor: default;
}

.snapshot-calendar-day.has-data::after {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--orange);
}

.snapshot-calendar-day.has-data {
  border-color: var(--orange-soft);
  background: var(--orange-soft);
}

.snapshot-calendar-day.has-data:hover {
  border-color: var(--orange);
  background: rgba(223, 109, 32, 0.15);
}

.snapshot-calendar-day.active {
  border-color: var(--accent-strong);
  background: var(--accent);
  color: var(--surface-strong);
  font-weight: 600;
}

.snapshot-calendar-day.active:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.snapshot-calendar-day:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

.hidden-text-on-small-screen {
    display: inline;
}


@media (max-width: 700px) {
  .page {
    padding: var(--space-7) var(--space-5) 36px;
  }

  .hero {
    padding: var(--space-9);
    border-radius: var(--radius-3xl);
  }

  .brand-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .page-tab {
    flex: 1 1 150px;
    justify-content: center;
  }

  .card {
    padding: var(--space-7);
    border-radius: var(--radius-3xl);
  }

  .card-head {
    align-items: flex-start;
    flex-direction: column;
  }

  th,
  td {
    padding: 9px var(--space-4);
  }

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

  .detail-key {
    margin-top: var(--space-3);
  }

  .device-split {
    grid-template-columns: 1fr;
  }

  .snapshot-item summary {
    grid-template-columns: 1fr;
  }

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

  .snapshot-calendar {
    max-width: 100%;
  }

  .snapshot-calendar-day {
    min-height: 32px;
    font-size: 0.8rem;
  }

  .hidden-text-on-small-screen {
    display: none;
  }
}