:root {
  --font-sans: "SF Pro Text", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
    "Arial Nova", Arial, sans-serif;
  --bg: #f5f6f7;
  --surface: #ffffff;
  --surface-muted: #f7f8fa;
  --surface-subtle: #fafbfc;
  --text: #121926;
  --text-muted: #5f6b7a;
  --line: #d9e0e7;
  --line-strong: #c8d1dc;
  --accent: #2251cc;
  --accent-soft: rgba(34, 81, 204, 0.1);
  --accent-strong: #183d99;
  --success: #1d6e49;
  --success-soft: #ebf5ef;
  --danger: #ad4453;
  --danger-soft: #f9ecef;
  --warning: #8d6418;
  --warning-soft: #f7efdf;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-strong: 0 18px 44px rgba(16, 24, 40, 0.14);
  --radius-card: 18px;
  --radius-control: 12px;
  --radius-pill: 999px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
}

[data-theme="dark"] {
  --bg: #10151d;
  --surface: #161d27;
  --surface-muted: #1b2430;
  --surface-subtle: #151d28;
  --text: #f1f5f9;
  --text-muted: #98a5b4;
  --line: #293342;
  --line-strong: #364354;
  --accent: #97b4ff;
  --accent-soft: rgba(151, 180, 255, 0.16);
  --accent-strong: #7fa0f5;
  --success: #88c8a0;
  --success-soft: rgba(62, 111, 81, 0.28);
  --danger: #eca0ab;
  --danger-soft: rgba(134, 72, 82, 0.28);
  --warning: #d4b277;
  --warning-soft: rgba(121, 92, 41, 0.26);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
  --shadow-strong: 0 20px 48px rgba(0, 0, 0, 0.34);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.012em;
  font-weight: var(--weight-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1;
  color: var(--text);
  background: var(--bg);
}

body.qr-modal-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button,
summary,
a,
input {
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

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

button:focus-visible,
summary:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(34, 81, 204, 0.18);
}

code {
  padding: 0.14em 0.42em;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-subtle);
  font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.page-shell {
  max-width: 1160px;
  margin: 0 auto;
  padding: 28px 24px 132px;
}

.auth-screen {
  min-height: calc(100vh - 160px);
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(100%, 520px);
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}

.auth-card__header {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
}

.auth-card__copy {
  display: grid;
  gap: 8px;
}

.auth-card__copy span {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: var(--weight-medium);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.auth-card__copy h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 2.7rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: var(--weight-bold);
}

.auth-card__copy p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.5;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-field {
  display: grid;
  gap: 8px;
}

.auth-field span {
  font-size: 0.84rem;
  color: var(--text-muted);
  font-weight: var(--weight-medium);
  letter-spacing: 0.01em;
}

.auth-field input {
  min-height: 52px;
  width: 100%;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-subtle);
  color: var(--text);
  outline: none;
}

.auth-actions {
  display: grid;
  gap: 10px;
  padding-top: 4px;
}

.auth-actions p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.auth-card .notice-banner {
  margin-top: 0;
}

.tickets-screen {
  display: grid;
  gap: 0;
}

.screen-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  padding: 4px 0 20px;
  border-bottom: 1px solid var(--line);
}

.screen-header__copy h1 {
  margin: 0;
  font-size: clamp(2.35rem, 4.8vw, 3.6rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  font-weight: var(--weight-bold);
}

.screen-header__copy p {
  margin: 10px 0 0;
  font-size: clamp(1.02rem, 1.45vw, 1.18rem);
  color: var(--text-muted);
  font-weight: var(--weight-regular);
  letter-spacing: -0.014em;
  line-height: 1.45;
}

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

.header-logout {
  margin: 0;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-weight: var(--weight-medium);
}

.theme-toggle:hover {
  background: var(--surface-subtle);
}

.theme-toggle--muted {
  color: var(--text-muted);
}

.theme-toggle svg {
  flex: none;
}

.notice-banner {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-subtle);
  line-height: 1.5;
  font-weight: var(--weight-medium);
}

.notice-banner--success {
  color: var(--success);
}

.notice-banner--warning {
  color: var(--warning);
}

.notice-banner--error {
  color: var(--danger);
}

.tabbar-shell {
  position: sticky;
  top: 0;
  z-index: 5;
  margin: 0 -24px;
  padding: 0 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.tabbar {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabbar::-webkit-scrollbar {
  display: none;
}

.tabbar__button {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 68px;
  padding: 0;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.015em;
  cursor: pointer;
}

.tabbar__button strong {
  font-weight: var(--weight-semibold);
  color: currentColor;
  font-variant-numeric: tabular-nums lining-nums;
}

.tabbar__button.is-active {
  color: var(--accent);
  border-color: var(--accent);
}

.ticket-list {
  padding-top: 20px;
}

.ticket-panel[hidden] {
  display: none !important;
}

.tickets-browser[hidden],
.system-panel[hidden] {
  display: none !important;
}

.ticket-stack {
  display: grid;
  gap: 14px;
}

.api-preview {
  display: grid;
  gap: 16px;
}

.api-preview__intro {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.api-preview__grid {
  display: grid;
  gap: 14px;
}

.api-preview-card {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-subtle);
}

.api-preview-card__header,
.api-preview-card__summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.api-preview-card__eyebrow {
  display: grid;
  gap: 6px;
}

.api-preview-card__eyebrow span {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.api-preview-card__eyebrow strong {
  font-size: 1rem;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.015em;
}

.api-preview-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}

.api-preview-card__badge--success {
  color: var(--success);
  background: var(--success-soft);
}

.api-preview-card__badge--warning {
  color: var(--warning);
  background: var(--warning-soft);
}

.api-preview-card__copy {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.55;
}

.api-preview-card__route {
  display: grid;
  gap: 5px;
}

.api-preview-card__route strong {
  font-size: 1.06rem;
  letter-spacing: -0.02em;
}

.api-preview-card__route span {
  color: var(--text-muted);
  font-variant-numeric: tabular-nums lining-nums;
}

.api-preview-card__meta {
  margin-top: -2px;
}

.ticket-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-subtle) 100%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.ticket-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: var(--line);
}

.ticket-card--strip-relevant::before {
  background: linear-gradient(180deg, #2c9a6c 0%, var(--success) 100%);
}

.ticket-card--strip-active::before {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
}

.ticket-card--strip-inactive::before {
  background: linear-gradient(180deg, #b8c2cf 0%, #7f8b99 100%);
}

.ticket-card__summary {
  --ticket-padding-x: 28px;
  display: grid;
  gap: 20px;
  padding: 26px var(--ticket-padding-x) 24px;
  list-style: none;
  cursor: pointer;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-subtle) 100%);
}

.ticket-card__summary::-webkit-details-marker {
  display: none;
}

.ticket-card__summary:hover {
  background: linear-gradient(180deg, var(--surface-subtle) 0%, var(--surface) 100%);
}

.ticket-card__summary-top {
  display: flex;
}

.ticket-card__summary-grid {
  display: block;
}

.ticket-card__route {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(72px, 10vw, 180px);
  align-items: center;
  width: 100%;
}

.ticket-card__station {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.ticket-card__station--destination {
  justify-items: end;
  text-align: right;
}

.ticket-card__station span,
.ticket-card__departure span,
.ticket-priority__hero span,
.ticket-priority__card span,
.ticket-meta dt,
.mini-stat span,
.settings-field span,
.toggle-card__content small,
.system-panel__header small {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: var(--weight-medium);
  letter-spacing: 0.01em;
}

.ticket-card__station span,
.ticket-card__departure span {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ticket-card__station strong {
  font-size: clamp(1.52rem, 3vw, 2.22rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
  font-weight: var(--weight-bold);
}

.ticket-card__arrow {
  position: absolute;
  left: 50%;
  top: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--line-strong);
  padding-top: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.ticket-card__perforation {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 28px;
}

.ticket-card__perforation span {
  width: 100%;
  border-top: 1px dashed var(--line-strong);
}

.ticket-card__perforation::before,
.ticket-card__perforation::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: inset 0 0 0 1px var(--line);
  transform: translateY(-50%);
}

.ticket-card__perforation::before {
  left: calc((var(--ticket-padding-x) + 12px) * -1);
}

.ticket-card__perforation::after {
  right: calc((var(--ticket-padding-x) + 12px) * -1);
}

.ticket-card__status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.012em;
  white-space: nowrap;
}

.ticket-card__status--active {
  color: var(--success);
  background: var(--success-soft);
}

.ticket-card__status--archived {
  color: var(--accent-strong);
  background: var(--surface-subtle);
  border-color: var(--line);
}

.ticket-card__status--cancelled {
  color: var(--warning);
  background: var(--warning-soft);
}

.ticket-card__summary-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.ticket-card__departure {
  display: grid;
  gap: 4px;
}

.ticket-card__departure strong {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  font-weight: var(--weight-bold);
  font-variant-numeric: tabular-nums lining-nums;
}

.ticket-card__departure small {
  color: var(--text-muted);
  font-size: 0.98rem;
  font-weight: var(--weight-medium);
  font-variant-numeric: tabular-nums lining-nums;
}

.ticket-card__ticket-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
  justify-self: center;
}

.ticket-card__train {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 20px;
  border-radius: 18px;
  border: 1px solid var(--accent-soft);
  background: var(--accent-soft);
  color: var(--accent-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums lining-nums;
  max-width: 100%;
}

.ticket-card__train svg {
  flex: 0 0 auto;
}

.ticket-card__train span {
  white-space: nowrap;
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  overflow: hidden;
  text-overflow: ellipsis;
}

.ticket-card__summary-side {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  min-width: 0;
}

.ticket-card__chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-left: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-subtle);
  color: #8f99a8;
  transition: transform 180ms ease;
}

.ticket-card[open] .ticket-card__chevron {
  transform: rotate(90deg);
}

.ticket-card[open] {
  box-shadow: var(--shadow-strong);
}

.ticket-card__content {
  display: grid;
  gap: 18px;
  padding: 2px 24px 24px;
}

.ticket-card__qr-panel {
  display: flex;
  justify-content: center;
  padding-top: 18px;
}

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

.ticket-priority__hero,
.ticket-priority__card {
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-subtle);
}

.ticket-priority__hero {
  grid-column: 1 / -1;
  gap: 4px;
  padding: 16px;
}

.ticket-priority__hero strong {
  font-size: clamp(2rem, 8vw, 2.6rem);
  line-height: 0.94;
  letter-spacing: -0.042em;
  font-weight: var(--weight-bold);
  font-variant-numeric: tabular-nums lining-nums;
}

.ticket-priority__hero small {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: var(--weight-medium);
  font-variant-numeric: tabular-nums lining-nums;
}

.ticket-priority__card {
  gap: 6px;
  padding: 16px;
}

.ticket-priority__card strong {
  font-size: clamp(1.42rem, 5vw, 1.82rem);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: var(--weight-bold);
}

.qr-inline-button {
  appearance: none;
  display: grid;
  gap: 12px;
  justify-items: center;
  width: 100%;
  max-width: 320px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  cursor: zoom-in;
  font-size: 0.88rem;
  font-weight: var(--weight-medium);
}

.qr-inline-button img {
  display: block;
  width: min(76vw, 280px);
  height: auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.qr-inline-empty {
  display: grid;
  place-items: center;
  min-height: 236px;
  width: min(76vw, 280px);
  padding: 18px;
  border: 1px dashed var(--line-strong);
  border-radius: 16px;
  color: var(--text-muted);
  text-align: center;
  font-weight: var(--weight-medium);
}

.ticket-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.ticket-meta div,
.mini-stat,
.toggle-card,
.settings-field input,
.panel-empty,
.empty-state,
.system-panel__drawer {
  border: 1px solid var(--line);
  background: var(--surface-subtle);
}

.ticket-meta div,
.mini-stat {
  padding: 16px;
  border-radius: var(--radius-control);
}

.mini-stat {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 92px;
}

.ticket-meta dd {
  margin: 5px 0 0;
  font-weight: var(--weight-semibold);
  line-height: 1.45;
  letter-spacing: -0.012em;
}

.ticket-meta--primary dd {
  font-size: 1.02rem;
}

.ticket-meta--secondary dd {
  font-size: 0.94rem;
  font-weight: var(--weight-medium);
  color: var(--text-muted);
}

.inline-note {
  padding: 14px 15px;
  border-radius: var(--radius-control);
  background: var(--warning-soft);
  color: var(--warning);
  line-height: 1.55;
  font-weight: var(--weight-medium);
}

.inline-note--danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.ticket-card__actions {
  display: flex;
  justify-content: flex-end;
}

.ticket-card__actions form {
  margin: 0;
}

.primary-button,
.secondary-button,
.danger-button {
  appearance: none;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.012em;
  cursor: pointer;
}

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

.secondary-button {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line-strong);
}

.secondary-button--muted {
  color: var(--text);
}

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

.primary-button:hover,
.secondary-button:hover,
.danger-button:hover {
  transform: translateY(-1px);
}

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

.secondary-button:hover {
  background: var(--surface-subtle);
}

.panel-empty,
.empty-state {
  padding: 32px 26px;
  border-radius: var(--radius-card);
  text-align: center;
}

.panel-empty--compact {
  padding: 22px 20px;
}

.panel-empty h3,
.empty-state h2 {
  margin: 0 0 10px;
  font-size: 1.22rem;
  letter-spacing: -0.026em;
  font-weight: var(--weight-bold);
}

.panel-empty p,
.empty-state p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.system-panel {
  margin-top: 24px;
}

.system-panel__drawer {
  border-radius: var(--radius-card);
  overflow: hidden;
}

.system-panel__header {
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  background: var(--surface);
}

.system-panel__header span {
  font-size: 1.02rem;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.018em;
}

.system-panel__body {
  display: grid;
  gap: 18px;
  padding: 0 20px 20px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.system-panel__stats,
.toggle-grid,
.settings-grid {
  display: grid;
  gap: 12px;
}

.mini-stat strong {
  display: block;
  margin-top: 4px;
  font-size: 0.98rem;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.014em;
  font-variant-numeric: tabular-nums lining-nums;
}

.system-panel__actions {
  display: grid;
  gap: 12px;
}

.system-panel__actions form {
  margin: 0;
}

.system-panel__actions button {
  width: 100%;
}

.settings-form {
  display: grid;
  gap: 16px;
}

.toggle-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  min-height: 92px;
  padding: 14px;
  border-radius: var(--radius-control);
  cursor: pointer;
}

.toggle-card input {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  accent-color: var(--accent);
}

.toggle-card__content {
  display: grid;
  gap: 4px;
}

.toggle-card__content strong {
  font-size: 0.98rem;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.014em;
}

.settings-field {
  display: grid;
  grid-template-rows: auto minmax(50px, auto) minmax(1.1rem, auto);
  gap: 8px;
  align-content: start;
}

.settings-field > span:first-child {
  min-height: 1.1rem;
}

.settings-field small {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: var(--weight-medium);
  letter-spacing: 0.01em;
  line-height: 1.35;
  min-height: 1.1rem;
}

.settings-field input {
  min-height: 50px;
  width: 100%;
  padding: 0 14px;
  border-radius: var(--radius-control);
  color: var(--text);
  outline: none;
  box-shadow: none;
  font-weight: var(--weight-medium);
}

.settings-form__footer {
  display: grid;
  gap: 12px;
}

.settings-form__footer p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 0.92rem;
}

.qr-modal {
  width: min(96vw, 1080px);
  max-width: none;
  padding: 0;
  border: 0;
  background: transparent;
}

.qr-modal::backdrop {
  background: rgba(10, 14, 22, 0.72);
}

.qr-modal__surface {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-card);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-strong);
}

.qr-modal__close {
  appearance: none;
  position: absolute;
  top: 14px;
  right: 14px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text);
  font-weight: var(--weight-semibold);
  cursor: pointer;
}

.qr-modal__image {
  display: block;
  width: 100%;
  max-width: 920px;
  max-height: calc(92vh - 92px);
  margin: 52px auto 0;
  padding: 12px;
  box-sizing: border-box;
  object-fit: contain;
  border-radius: 0;
  background: #fff;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.mobile-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 7;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
  width: auto;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: rgba(247, 248, 250, 0.94);
  backdrop-filter: blur(16px);
}

[data-theme="dark"] .mobile-nav {
  background: rgba(22, 29, 39, 0.94);
}

.mobile-nav__item {
  display: grid;
  gap: 5px;
  justify-items: center;
  padding: 10px 4px 6px;
  border-radius: 12px;
  color: var(--text-muted);
  text-align: center;
  font-size: 0.74rem;
  font-weight: var(--weight-medium);
  letter-spacing: -0.008em;
}

.mobile-nav__item.is-active {
  color: var(--accent);
}

.mobile-nav__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
}

@media (max-width: 760px) {
  .page-shell {
    padding: 18px 16px 120px;
  }

  .auth-screen {
    min-height: calc(100vh - 120px);
    align-items: start;
  }

  .auth-card {
    gap: 16px;
    padding: 22px 18px;
    border-radius: 20px;
  }

  .screen-header {
    padding: 0 0 18px;
  }

  .screen-header__actions {
    width: 100%;
    justify-content: space-between;
  }

  .theme-toggle span {
    display: none;
  }

  .tabbar-shell {
    margin: 0 -16px;
    padding: 0 16px;
  }

  .tabbar {
    gap: 22px;
  }

  .tabbar__button {
    min-height: 64px;
  }

  .ticket-card__summary {
    --ticket-padding-x: 18px;
    gap: 18px;
    padding: 22px var(--ticket-padding-x) 20px;
  }

  .api-preview-card {
    padding: 18px;
  }

  .ticket-card__summary-grid {
    display: block;
  }

  .ticket-card__route {
    gap: clamp(48px, 14vw, 92px);
    width: 100%;
  }

  .ticket-card__station strong {
    font-size: clamp(1.16rem, 7.2vw, 1.86rem);
    line-height: 1.06;
  }

  .ticket-card__arrow svg {
    width: 36px;
    height: 16px;
  }

  .api-preview-card__header,
  .api-preview-card__summary {
    display: grid;
    gap: 12px;
  }

  .ticket-card__summary-meta {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "departure side"
      "train train";
    gap: 14px 12px;
    align-items: end;
  }

  .ticket-card__departure {
    grid-area: departure;
  }

  .ticket-card__ticket-badges {
    grid-area: train;
    justify-content: center;
    width: 100%;
    padding-top: 2px;
  }

  .ticket-card__summary-side {
    grid-area: side;
    width: auto;
    justify-content: flex-end;
    align-self: end;
  }

  .ticket-card__train {
    min-height: 48px;
    padding: 0 16px;
  }

  .ticket-card__train span {
    font-size: 1rem;
  }

  .ticket-card__status {
    min-height: 38px;
    padding: 0 16px;
    font-size: 0.86rem;
  }

  .ticket-card__chevron {
    width: 36px;
    height: 36px;
  }

  .ticket-card__content {
    padding: 2px 18px 18px;
  }

  .ticket-meta,
  .system-panel__stats,
  .toggle-grid,
  .settings-grid {
    grid-template-columns: 1fr;
  }

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

  .system-panel__body {
    padding: 0 16px 16px;
  }

  .qr-modal__surface {
    padding: 20px 16px 16px;
  }

  .qr-modal__image {
    max-width: none;
    max-height: calc(100vh - 92px);
    margin-top: 50px;
    padding: 8px;
  }
}

@media (min-width: 761px) {
  .ticket-meta,
  .system-panel__stats,
  .toggle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 960px) {
  .ticket-card__summary {
    --ticket-padding-x: 28px;
    padding: 26px var(--ticket-padding-x) 24px;
  }

  .ticket-card__content {
    padding: 2px 28px 26px;
  }

  .ticket-card__summary-meta {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  }

  .ticket-priority {
    grid-template-columns: minmax(0, 1.25fr) repeat(2, minmax(0, 0.9fr));
  }

  .ticket-priority__hero {
    grid-column: auto;
  }

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