:root {
  --bg: #eef2f8;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --surface-raised: #ffffff;
  --text: #202638;
  --muted: #65728a;
  --line: #d5deec;
  --line-strong: #c4d0e2;
  --primary: #000080;
  --primary-strong: #000066;
  --primary-soft: #eef3ff;
  --accent: #e6371c;
  --accent-soft: #fff1ef;
  --warning: #d88716;
  --danger: #d92d20;
  --success: #087f5b;
  --shadow: 0 18px 45px rgba(20, 33, 61, 0.1);
  --shadow-soft: 0 8px 22px rgba(20, 33, 61, 0.08);
  --radius-xl: 18px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  overscroll-behavior-y: none;
  -webkit-tap-highlight-color: transparent;
  font-family: Inter, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7f9fd 0%, var(--bg) 100%);
}

body::before {
  content: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  touch-action: manipulation;
}

img {
  display: block;
  max-width: 100%;
}

p,
h1,
h2,
h3,
h4,
span,
button {
  overflow-wrap: anywhere;
}

.app-shell {
  width: min(1280px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 24px 0 calc(104px + env(safe-area-inset-bottom));
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 16px 20px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--primary);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
  box-shadow: var(--shadow);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--accent);
}

.hero__brand {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.hero__identity {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.hero__app-logo {
  width: 50px;
  height: 50px;
  flex: 0 0 auto;
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(0, 0, 128, 0.2);
}

.hero__logo {
  width: clamp(190px, 18vw, 250px);
  height: auto;
}

.hero__eyebrow,
.panel__eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.panel h2 {
  margin: 0;
}

.hero__session {
  display: grid;
  gap: 12px;
  min-width: min(520px, 100%);
  justify-items: end;
}

.hero__session-copy {
  display: grid;
  gap: 4px;
  text-align: right;
}

.hero__session-copy p {
  margin: 0;
}

.layout {
  display: grid;
  gap: 18px;
}

.quick-nav {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  gap: 8px;
  padding: 8px;
  margin-bottom: 18px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
}

.quick-nav__button,
.bottom-nav__button {
  min-height: 42px;
  padding: 0 15px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
  transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.quick-nav__button:hover,
.bottom-nav__button:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.quick-nav__button.is-active,
.bottom-nav__button.is-active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(0, 0, 128, 0.18);
}

.panel {
  scroll-margin-top: 94px;
  padding: 20px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--primary);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
}

.panel-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.panel-toggle__text {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.panel-toggle__text h2 {
  font-size: clamp(1.18rem, 2vw, 1.45rem);
  line-height: 1.15;
}

.panel-toggle__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--primary);
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.panel.is-expanded .panel-toggle__icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #ffffff;
}

.panel-content {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.panel-content[hidden],
.modal[hidden],
.is-hidden {
  display: none !important;
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 4px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 17px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 800;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
  transform: none;
}

.button:focus-visible,
.quick-nav__button:focus-visible,
.bottom-nav__button:focus-visible,
.panel-toggle:focus-visible,
.action-card:focus-visible,
.queue-tab:focus-visible {
  outline: 3px solid rgba(230, 55, 28, 0.28);
  outline-offset: 2px;
}

.button--small {
  min-height: 38px;
  padding: 0 13px;
  font-size: 0.92rem;
}

.button--primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 9px 18px rgba(0, 0, 128, 0.2);
}

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

.button--ghost {
  border: 1px solid #b9c8ff;
  background: var(--primary-soft);
  color: var(--primary);
}

.session-panel__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.status-card {
  max-width: 420px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-align: left;
}

.hero .status-card {
  max-width: none;
  padding: 10px 14px;
}

.status-card--success {
  background: #e9f8f2;
  color: var(--success);
}

.status-card--warning {
  background: #fff7ea;
  color: #9a5a00;
}

.status-card--danger {
  background: #fff0ee;
  color: var(--danger);
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.action-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 9px;
  min-height: 148px;
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--primary);
  border-radius: var(--radius-md);
  background: var(--surface-raised);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.action-card:hover {
  transform: translateY(-2px);
  border-color: #aebdff;
  box-shadow: var(--shadow);
}

.action-card::before {
  content: "";
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary);
  box-shadow: inset -10px -10px 0 rgba(255, 255, 255, 0.16);
}

.action-card::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: opacity 160ms ease;
}

.action-card:hover::after {
  opacity: 1;
}

.action-card strong {
  font-size: 1.05rem;
  line-height: 1.18;
}

.action-card span:last-child {
  color: var(--muted);
  line-height: 1.35;
}

.action-card__label {
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.action-card--return::before {
  background: #27324a;
}

.action-card--maintenance {
  border-top-color: var(--warning);
}

.action-card--maintenance::before {
  background: var(--warning);
}

.action-card--restock {
  border-top-color: var(--accent);
}

.action-card--restock::before {
  background: var(--accent);
}

.flow-banner {
  padding: 13px 15px;
  border: 1px solid #b9c8ff;
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
}

.console-panel,
.assigned-assets-list,
.console-workspace {
  display: grid;
  gap: 14px;
}

.assigned-item {
  display: grid;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.assigned-item__visual,
.queue-item__visual {
  overflow: hidden;
  width: 84px;
  height: 84px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #ffffff;
}

.assigned-item__visual img,
.queue-item__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
}

.assigned-item__content {
  display: grid;
  gap: 7px;
}

.assigned-item__content h3,
.assigned-item__content p {
  margin: 0;
}

.assigned-item__status,
.asset-preview__badge,
.queue-item__badge {
  display: inline-flex;
  width: fit-content;
  margin: 0;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.scanner-panel,
.manual-panel,
.preview-panel {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.scanner-panel__topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.scanner-panel__topbar h3,
.manual-panel h3,
.preview-panel h3,
.preview-panel h4 {
  margin: 0;
}

.scanner-panel__body,
.manual-panel__form,
.asset-preview,
.asset-preview__content,
.scanner-panel__hint {
  display: grid;
  gap: 12px;
}

.reader {
  width: 100%;
  min-height: 280px;
  overflow: hidden;
  border: 2px dashed #aebdff;
  border-radius: var(--radius-md);
  background:
    linear-gradient(90deg, rgba(0, 0, 128, 0.06) 0 1px, transparent 1px),
    linear-gradient(180deg, #ffffff 0%, #f4f7ff 100%);
  background-size: 34px 34px, auto;
}

select,
input,
textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text);
}

textarea {
  resize: vertical;
}

select:focus,
input:focus,
textarea:focus {
  outline: 3px solid rgba(0, 0, 128, 0.12);
  border-color: #6d7dff;
}

.asset-preview__media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #ffffff;
}

.asset-preview__media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  padding: 16px;
}

.asset-preview__content p,
.asset-preview__hint {
  margin: 0;
}

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

.queue-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 8px;
}

.queue-tab {
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.queue-tab.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

.queue-list {
  display: grid;
  gap: 12px;
  min-height: 120px;
}

.queue-item,
.empty-state {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #ffffff;
}

.queue-item {
  display: grid;
  gap: 14px;
}

.queue-item__body {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.queue-item__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.queue-item__title {
  margin: 6px 0 0;
  font-size: 1.05rem;
  line-height: 1.25;
}

.queue-item__meta {
  margin: 0;
  color: var(--muted);
}

.queue-item__label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}

.queue-item__photo {
  padding: 13px;
  border: 1px dashed #aebdff;
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
}

.queue-item__photo-input {
  background: #ffffff;
}

.queue-item__photo-name {
  font-size: 0.95rem;
  font-weight: 500;
}

.queue-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.queue-footer__title {
  margin: 0 0 5px;
  font-weight: 800;
}

.empty-state {
  display: grid;
  gap: 8px;
  place-items: start;
  background: var(--surface-soft);
}

.empty-state h3,
.empty-state p {
  margin: 0;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 18px;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(14, 24, 50, 0.62);
  backdrop-filter: blur(10px);
}

.modal__card {
  position: relative;
  z-index: 1;
  width: min(460px, 100%);
  padding: 22px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--primary);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: 0 28px 70px rgba(14, 24, 50, 0.24);
}

.modal__card h3,
.modal__card p {
  margin-top: 0;
}

.modal__actions {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: auto;
  bottom: 0;
  z-index: 40;
  display: none;
  width: 100vw;
  height: calc(66px + env(safe-area-inset-bottom));
  gap: 6px;
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 38px rgba(20, 33, 61, 0.18);
}

@media (display-mode: standalone) {
  .hero {
    margin-top: env(safe-area-inset-top);
  }

  .bottom-nav {
    bottom: 0;
  }
}

.bottom-nav__button {
  position: absolute;
  top: 8px;
  min-height: 50px;
  padding: 0 4px;
  font-size: 0.84rem;
  flex: 0 0 calc((100vw - 28px) / 3);
  width: calc((100vw - 28px) / 3);
  max-width: calc((100vw - 28px) / 3);
  min-width: 0;
}

.bottom-nav__button:nth-child(1) {
  left: 8px;
}

.bottom-nav__button:nth-child(2) {
  left: calc(8px + ((100vw - 28px) / 3) + 6px);
}

.bottom-nav__button:nth-child(3) {
  left: calc(8px + (((100vw - 28px) / 3) + 6px) * 2);
}

.bottom-nav__button span {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (min-width: 880px) {
  .layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(380px, 0.75fr);
    align-items: start;
  }

  .console-panel {
    grid-column: 1;
    grid-row: 1;
  }

  .assigned-panel {
    grid-column: 1;
    grid-row: 2;
  }

  .queue-panel {
    grid-column: 2;
    grid-row: 1 / span 2;
    position: sticky;
    top: 96px;
    min-height: 260px;
  }

  .queue-panel .panel-content {
    min-height: 178px;
  }

  .queue-list {
    min-height: 170px;
  }

  .console-workspace {
    grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
    align-items: start;
  }

  .scanner-panel,
  .manual-panel {
    grid-column: 1;
  }

  .preview-panel {
    grid-column: 2;
    grid-row: 1 / span 2;
    position: sticky;
    top: 20px;
  }

  .queue-item {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: start;
  }

  .assigned-item {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: center;
  }

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

@media (max-width: 980px) {
  .action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100vw - 18px, 100%);
    padding-top: 10px;
  }

  .hero,
  .panel {
    padding: 15px;
    border-radius: var(--radius-md);
  }

  .quick-nav {
    display: none;
  }

  .hero__brand,
  .hero__identity,
  .scanner-panel__topbar,
  .panel-heading,
  .queue-footer,
  .queue-item__header {
    align-items: stretch;
    flex-direction: column;
  }

  .hero__identity {
    gap: 12px;
  }

  .hero__app-logo {
    width: 48px;
    height: 48px;
  }

  .hero__logo {
    width: 156px;
  }

  .hero__session {
    width: 100%;
    min-width: 0;
    justify-items: stretch;
  }

  .hero__session-copy {
    text-align: left;
  }

  .session-panel__actions {
    display: grid;
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  .action-grid,
  .queue-tabs,
  .manual-panel__form {
    grid-template-columns: 1fr;
  }

  .action-card {
    min-height: 132px;
  }

  .button,
  .queue-tab {
    width: 100%;
  }

  .reader {
    min-height: 240px;
  }

  .bottom-nav {
    display: flex;
  }
}

@media (max-width: 390px) {
  .bottom-nav__button,
  .quick-nav__button {
    font-size: 0.82rem;
  }

  .panel-toggle__text h2 {
    font-size: 1.08rem;
  }
}