:root {
  --onyx: #16191d;
  --punch-red: #d9273a;
  --accent-hover: #b51f30;
  --status-active: #16803c;
  --status-no-link: #b77900;
  --status-available: #1769c2;
  --status-unknown-device: #d9273a;
  --bg: #f2f4f6;
  --panel: #ffffff;
  --panel-2: #f7f8fa;
  --sidebar-bg: #e9edf0;
  --topbar-bg: #15181c;
  --text-main: #171a1f;
  --text-muted: #5d6570;
  --text-inverse: #f7f8fa;
  --text-inverse-muted: #bfc6ce;
  --line: #d8dde3;
  --line-strong: #9aa4af;
  --line-dark: #444b53;
  --danger-bg: #fff1f2;
  --danger-text: #a31d2d;
  --danger-line: #efc5ca;
  --warning-bg: #fff8e6;
  --warning-text: #795200;
  --focus: #1769c2;
  --page-padding: clamp(12px, 2vw, 28px);
  --sidebar-width: 344px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --shadow-card:
    0 1px 2px rgba(20, 24, 28, 0.04), 0 6px 20px rgba(20, 24, 28, 0.04);
  --shadow-overlay: 0 20px 50px rgba(20, 24, 28, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 0;
  scroll-padding-top: 112px;
}

body {
  margin: 0;
  font-family: Inter, system-ui, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text-main);
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: var(--text-inverse);
  font-size: clamp(20px, 2.5vw, 25px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 16px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

button,
input,
select,
textarea {
  min-height: 44px;
  font: inherit;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  max-width: 100%;
  border: 1px solid var(--punch-red);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  background: var(--punch-red);
  color: var(--panel);
  font-weight: 700;
  cursor: pointer;
  touch-action: manipulation;
  overflow-wrap: anywhere;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

button:active:not(:disabled) {
  box-shadow: inset 0 1px 3px rgba(20, 24, 28, 0.2);
}

button svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--text-main);
  font-size: 14px;
  transition: border-color 180ms ease;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--text-muted);
}

textarea {
  min-height: 100px;
  resize: vertical;
}

.readonly-input {
  background: var(--panel-2);
  color: var(--text-muted);
}

[hidden],
.hidden-field {
  display: none !important;
}

.hidden-field.visible {
  display: grid !important;
}

.secondary-btn {
  background: var(--panel);
  color: var(--onyx);
  border-color: var(--line-strong);
}

.secondary-btn:hover {
  background: var(--panel-2);
  color: var(--text-main);
  border-color: var(--text-muted);
}

.danger-small-btn {
  padding: 8px 10px;
  border-color: var(--danger-line);
  background: var(--danger-bg);
  color: var(--danger-text);
  font-size: 12px;
}

.danger-small-btn:hover {
  border-color: var(--danger-text);
  background: var(--danger-bg);
  color: var(--danger-text);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--onyx);
  font-weight: 800;
  box-shadow: var(--shadow-card);
  transform: translateY(-160%);
}

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

/* Header and file menus */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 88px;
  padding: 12px max(22px, calc((100vw - 1600px) / 2 + var(--page-padding)));
  border-bottom: 1px solid var(--line-dark);
  background: var(--topbar-bg);
  box-shadow: 0 4px 16px rgba(20, 24, 28, 0.12);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.brand > div {
  min-width: 0;
  overflow-wrap: anywhere;
}

.brand-logo {
  flex: 0 0 auto;
  width: 50px;
  height: 50px;
  padding: 4px;
  border-radius: 12px;
  background: var(--panel);
  object-fit: contain;
}

.brand-kicker {
  display: block;
  margin-bottom: 2px;
  color: #f19099;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.topbar p {
  margin-top: 2px;
  color: var(--text-inverse-muted);
  font-size: 12px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.actions > button,
.actions .menu-btn {
  border-color: var(--line-dark);
  background: #22262b;
  color: var(--text-inverse);
  font-size: 14px;
}

.actions > button:hover,
.actions .menu-btn:hover,
.actions .menu.open .menu-btn {
  border-color: #69727d;
  background: #30353b;
}

.menu {
  position: relative;
  min-width: 0;
}

.menu-options {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  display: grid;
  gap: 8px;
  min-width: 184px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: var(--shadow-overlay);
}

.menu-options button {
  justify-content: flex-start;
  width: 100%;
  padding: 8px 10px;
  border-color: transparent;
  background: var(--panel);
  color: var(--text-main);
  text-align: left;
}

.menu-options button:hover {
  border-color: var(--line);
  background: var(--panel-2);
}

/* Workspace shell and collapsible project panels */
.sidebar-toggle {
  margin: 16px
    max(var(--page-padding), calc((100vw - 1600px) / 2 + var(--page-padding))) 0;
  border-color: var(--line-strong);
  background: var(--panel);
  color: var(--onyx);
  font-size: 14px;
}

.sidebar-toggle:hover {
  border-color: var(--onyx);
  background: var(--onyx);
  color: var(--panel);
}

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 20px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 16px var(--page-padding) 24px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 112px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  max-height: calc(100dvh - 128px);
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--sidebar-bg);
  scrollbar-width: thin;
  scroll-padding-block: 16px;
}

.sidebar.is-collapsed {
  display: none;
}

.layout.sidebar-collapsed {
  grid-template-columns: minmax(0, 1fr);
}

.workspace {
  display: grid;
  align-content: start;
  gap: 16px;
  min-width: 0;
}

.card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  box-shadow: var(--shadow-card);
}

.sidebar-card {
  flex: 0 0 auto;
  padding: 16px;
  box-shadow: none;
}

.panel-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  border-radius: 4px;
  cursor: pointer;
  list-style: none;
}

.panel-summary::-webkit-details-marker {
  display: none;
}

.panel-summary::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform 180ms ease;
}

details[open] > .panel-summary::after {
  transform: rotate(225deg);
}

.project-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

.section-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-eyebrow {
  display: block;
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-label,
.form-grid label,
.details-grid label {
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
}

.project-label {
  margin-top: 12px;
}

.form-grid,
.details-grid {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.form-grid button {
  grid-column: 1 / -1;
}

.date-input-shell {
  display: block;
  min-width: 0;
}

.date-input-shell input {
  color-scheme: light;
  accent-color: var(--punch-red);
}

.date-input-shell input::-webkit-calendar-picker-indicator {
  width: 20px;
  height: 20px;
  margin-left: auto;
  cursor: pointer;
}

.save-status {
  margin-top: 12px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-left-width: 4px;
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  color: var(--text-muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.save-status.saved {
  border-left-color: var(--status-active);
}

.save-status.saving {
  border-left-color: var(--status-no-link);
}

.save-status.error {
  border-left-color: var(--status-unknown-device);
  color: var(--danger-text);
}

#deviceSearchInput {
  padding-left: 38px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d6570' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
  background-size: 17px;
}

.device-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  margin-top: 16px;
}

.device-item-container {
  display: flex;
  align-items: stretch;
  gap: 8px;
  min-width: 0;
}

.device-item {
  display: grid;
  justify-content: stretch;
  gap: 4px;
  flex: 1;
  min-width: 0;
  min-height: 64px;
  padding: 10px 12px;
  border-color: var(--line);
  border-left: 3px solid transparent;
  background: var(--panel);
  color: var(--text-main);
  text-align: left;
}

.device-item:hover,
.device-item.is-selected {
  border-color: var(--line-strong);
  border-left-color: var(--punch-red);
  background: var(--panel-2);
}

.device-item strong {
  font-size: 14px;
}

.device-item small {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
}

.delete-btn {
  flex: 0 0 44px;
  width: 44px;
  min-width: 44px;
  padding: 10px;
  border-color: transparent;
  background: transparent;
  color: var(--danger-text);
}

.delete-btn:hover {
  border-color: var(--danger-line);
  background: var(--danger-bg);
}

/* Project, device and interface map */
.project-title-card {
  padding: 20px;
  background: var(--onyx);
}

.project-title-card > span {
  display: block;
  margin-bottom: 4px;
  color: var(--text-inverse-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-title-card h2 {
  color: var(--panel);
  font-size: clamp(20px, 3vw, 27px);
}

.device-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 16px 24px;
}

.device-header > div {
  min-width: 0;
}

.device-header h2 {
  font-size: 20px;
}

.device-header p {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.tag {
  display: inline-block;
  max-width: 100%;
  margin-bottom: 8px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  color: var(--text-muted);
}

.legend > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-2);
  font-size: 12px;
}

.legend strong {
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}

.dot {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot.active {
  background: var(--status-active);
}

.dot.no-link {
  background: var(--status-no-link);
}

.dot.available {
  background: var(--status-available);
}

.dot.unknown-device {
  background: var(--status-unknown-device);
}

.device-actions {
  display: flex;
  flex-wrap: wrap;
  grid-column: 1 / -1;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.device-actions button {
  font-size: 13px;
}

.content-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.content-heading p {
  max-width: 48%;
  color: var(--text-muted);
  font-size: 13px;
  text-align: right;
}

.scroll-hint {
  margin-bottom: 12px;
  color: var(--text-muted);
  font-size: 12px;
}

.port-grid {
  display: grid;
  grid-template-rows: repeat(2, minmax(112px, auto));
  grid-auto-flow: column;
  grid-auto-columns: minmax(132px, 148px);
  gap: 12px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow-x: auto;
  background: var(--panel-2);
  scroll-snap-type: x proximity;
  scroll-padding-inline: 16px;
  scrollbar-color: var(--line-strong) var(--sidebar-bg);
}

.port-grid[data-layout="split"] {
  grid-auto-flow: row;
  grid-template-columns: repeat(var(--port-columns), minmax(132px, 148px));
}

.port-grid.is-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 24px;
}

.port-grid.is-empty .empty-message {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
}

.port {
  --port-color: var(--line-strong);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 4px;
  min-width: 0;
  min-height: 112px;
  padding: 10px;
  border: 1px solid var(--line-strong);
  border-top: 4px solid var(--port-color);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text-main);
  text-align: center;
  scroll-snap-align: start;
}

.port:hover,
.port.is-selected {
  border-color: var(--text-muted);
  border-top-color: var(--port-color);
  background: var(--panel);
  box-shadow: var(--shadow-card);
}

.port.is-selected {
  outline: 2px solid var(--onyx);
  outline-offset: 2px;
}

.port.active {
  --port-color: var(--status-active);
}

.port.no-link {
  --port-color: var(--status-no-link);
}

.port.available {
  --port-color: var(--status-available);
}

.port.unknown-device {
  --port-color: var(--status-unknown-device);
}

.port-number {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
}

.port-status {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

.port-label,
.port-sublabel {
  display: block;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.port-label {
  font-weight: 700;
}

.port-sublabel {
  color: var(--text-muted);
  font-weight: 400;
}

.port-draft-label {
  color: var(--warning-text);
  font-size: 12px;
  font-weight: 700;
}

/* Port editor and project summary */
.details-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.details-grid label:last-of-type,
.form-actions {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.port-edit-status {
  color: var(--text-muted);
  font-size: 13px;
}

.port-edit-status.is-dirty {
  color: var(--warning-text);
}

.draft-summary {
  padding: 12px 16px;
  border-left: 4px solid var(--status-no-link);
  border-radius: var(--radius-sm);
  background: var(--warning-bg);
  color: var(--warning-text);
  font-size: 14px;
}

.project-devices-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.summary-device {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 8px;
  min-width: 0;
  padding: 16px;
  border-color: var(--line);
  border-left: 3px solid var(--line-strong);
  background: var(--panel);
  color: var(--text-main);
  text-align: left;
}

.summary-device:hover,
.summary-device.is-selected {
  border-color: var(--line-strong);
  border-left-color: var(--punch-red);
  background: var(--panel-2);
}

.summary-device strong {
  font-size: 14px;
}

.summary-device small {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 400;
}

.empty-message {
  grid-column: 1 / -1;
  min-width: 0;
  padding: 20px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
}

/* Dialogs and feedback */
.modal {
  width: min(520px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--panel);
  color: var(--text-main);
  box-shadow: var(--shadow-overlay);
}

.modal::backdrop {
  background: rgba(19, 21, 21, 0.65);
}

.modal-content {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.modal-content h2 {
  font-size: 20px;
}

.modal-content p {
  color: var(--text-muted);
  overflow-wrap: anywhere;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.privacy-note {
  padding: 12px;
  border-left: 4px solid var(--status-no-link);
  background: var(--warning-bg);
  font-size: 14px;
}

.backup-notice {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin: 16px
    max(var(--page-padding), calc((100vw - 1600px) / 2 + var(--page-padding))) 0;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  color: var(--text-main);
}

.backup-notice-content {
  flex: 1 1 360px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.backup-notice-content p {
  margin-top: 4px;
  font-size: 14px;
  color: var(--text-muted);
}

.backup-notice-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.backup-notice[data-level="info"] {
  border-left: 4px solid var(--status-available);
}

.backup-notice[data-level="overdue"] {
  padding: 16px;
  border-color: var(--status-no-link);
  border-left-width: 4px;
  background: var(--warning-bg);
  color: var(--warning-text);
}

.backup-notice[data-level="overdue"] p {
  color: var(--warning-text);
}

.notification {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  max-width: min(560px, calc(100% - 32px));
  padding: 12px 16px;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: var(--onyx);
  color: var(--text-inverse);
  box-shadow: var(--shadow-overlay);
  overflow-wrap: anywhere;
}

#notificationText {
  flex: 1 1 220px;
  min-width: 0;
}

.notification button {
  flex: 0 0 auto;
}

/* Footer and partner credit */
.footer {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--page-padding) max(24px, env(safe-area-inset-bottom));
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 24px;
  padding: 24px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: #1d2126;
  color: var(--text-inverse);
}

.footer-content > * {
  min-width: 0;
  max-width: 100%;
}

.footer-identity strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
}

.footer span,
.footer p {
  color: var(--text-inverse-muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.footer-content > p {
  flex: 1 1 220px;
}

.footer-credit {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-credit img {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.footer-credit span {
  color: var(--text-inverse);
  font-weight: 600;
}

/* State rules follow component rules so hover never hides keyboard focus. */
button:disabled,
button:disabled:hover {
  border-color: var(--line);
  background: var(--panel-2);
  color: var(--text-muted);
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.port:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.topbar :focus-visible,
.footer :focus-visible,
.notification :focus-visible {
  outline-color: #8ac2ff;
}

.print-report {
  display: none;
}

/* Laptop */
@media (max-width: 1200px) {
  :root {
    --sidebar-width: 300px;
  }

  .device-header {
    grid-template-columns: minmax(0, 1fr);
  }

  .legend {
    justify-content: flex-start;
  }
}

/* Tablet: panels enter the normal document flow. */
@media (max-width: 980px) {
  html {
    scroll-padding-top: 16px;
  }

  .topbar {
    position: static;
    flex-wrap: wrap;
    padding: 16px var(--page-padding);
  }

  .brand,
  .actions {
    flex-basis: 100%;
  }

  .actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .actions > button,
  .actions .menu-btn {
    width: 100%;
  }

  .layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Mobile */
@media (max-width: 700px) {
  :root {
    --page-padding: 12px;
  }

  input,
  select,
  textarea {
    font-size: 16px;
  }

  .topbar {
    padding: 12px;
    gap: 12px;
  }

  .brand-kicker {
    display: none;
  }

  .brand-logo {
    width: 46px;
    height: 46px;
  }

  .actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #printBtn {
    grid-column: 1 / -1;
  }

  .actions .menu:first-child .menu-options {
    right: auto;
    left: 0;
  }

  .menu-options {
    min-width: min(184px, calc(100vw - 24px));
  }

  .sidebar-toggle {
    width: calc(100% - 24px);
    margin: 12px 12px 0;
  }

  .layout {
    padding-top: 12px;
  }

  .card,
  .sidebar-card {
    padding: 16px;
    border-radius: 12px;
  }

  .sidebar {
    padding: 8px;
  }

  .form-grid,
  .details-grid,
  .project-devices-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .content-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .content-heading p {
    max-width: 100%;
    text-align: left;
  }

  .legend {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .legend span {
    border-radius: 8px;
  }

  .device-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .port-grid {
    grid-auto-columns: minmax(126px, 140px);
    gap: 12px;
    padding: 12px;
  }

  .port-grid[data-layout="split"] {
    grid-template-columns: repeat(var(--port-columns), minmax(126px, 140px));
  }

  .form-actions > button {
    flex: 1 1 160px;
  }

  .modal-content {
    padding: 20px;
  }

  .modal-actions > button {
    flex: 1 1 120px;
  }

  .footer-content {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }

  .footer-content > p {
    flex: initial;
  }

  .footer-credit {
    width: 100%;
    padding-top: 16px;
    border-top: 1px solid var(--line-dark);
  }
}

@media (max-width: 380px) {
  .legend {
    grid-template-columns: minmax(0, 1fr);
  }

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

  #notificationText {
    flex: initial;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

/* A single print layout; interactive controls never overlap the report. */
@page {
  size: A4 portrait;
  margin: 12mm;
}

@media print {
  body {
    background: #ffffff;
    color: var(--text-main);
  }

  .topbar,
  .sidebar-toggle,
  .layout,
  .footer,
  .backup-notice,
  .notification,
  .modal,
  .skip-link {
    display: none !important;
  }

  .print-report {
    display: block;
    font-size: 9pt;
  }

  .print-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
    padding: 16px;
    border-radius: 8px;
    background: var(--onyx);
    color: var(--panel);
  }

  .print-header h1 {
    font-size: 20pt;
  }

  .print-header p {
    max-width: 60%;
    color: var(--text-inverse-muted);
    font-size: 9pt;
    overflow-wrap: anywhere;
  }

  .print-project-banner {
    margin-bottom: 16px;
    padding: 12px;
    border-left: 4px solid var(--punch-red);
    background: var(--panel-2);
  }

  .print-project-banner span,
  .print-section-label {
    display: block;
    margin-bottom: 4px;
    color: var(--text-muted);
    font-size: 9pt;
    font-weight: 700;
  }

  .print-project-banner strong {
    font-size: 16pt;
    overflow-wrap: anywhere;
  }

  .print-overview {
    margin-bottom: 16px;
  }

  .print-overview h2 {
    margin-bottom: 8px;
  }

  .print-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .print-summary-device {
    padding: 10px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--punch-red);
    border-radius: 6px;
    break-inside: avoid;
    overflow-wrap: anywhere;
  }

  .print-summary-device strong,
  .print-summary-device small {
    display: block;
  }

  .print-summary-device strong {
    margin-bottom: 4px;
    font-size: 10pt;
  }

  .print-summary-device small {
    color: var(--text-muted);
    font-size: 8pt;
  }

  .print-device {
    margin-bottom: 16px;
    padding: 12px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
  }

  .print-device-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
    break-after: avoid;
  }

  .print-device-header > div {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .print-device-header h2 {
    font-size: 13pt;
  }

  .print-device-header p {
    color: var(--text-muted);
    font-size: 9pt;
  }

  .print-device-tag {
    max-width: 40%;
    padding: 4px 8px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--panel-2);
    font-size: 8pt;
    overflow-wrap: anywhere;
  }

  .print-device-counts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    break-after: avoid;
  }

  .print-count {
    padding: 4px 6px;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-size: 8pt;
  }

  .print-ports {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .print-port {
    min-width: 0;
    padding: 8px;
    border: 1px solid var(--line-strong);
    border-top: 4px solid var(--text-muted);
    border-radius: 6px;
    break-inside: avoid;
    overflow-wrap: anywhere;
  }

  .print-port.active {
    border-top-color: var(--status-active);
  }

  .print-port.no-link {
    border-top-color: var(--status-no-link);
  }

  .print-port.available {
    border-top-color: var(--status-available);
  }

  .print-port.unknown-device {
    border-top-color: var(--status-unknown-device);
  }

  .print-port .port-number,
  .print-port .port-status,
  .print-port .port-label,
  .print-port .port-sublabel {
    display: block;
    overflow: visible;
    font-size: 9pt;
    white-space: normal;
  }

  .print-port .port-status {
    margin-bottom: 6px;
  }

  .print-port-details {
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid var(--line);
    font-size: 8pt;
    overflow-wrap: anywhere;
  }
}