:root {
  --ink-strong: #121417;
  --ink: #1d242b;
  --ink-soft: #51606d;
  --paper: #f6f3ed;
  --paper-strong: #fffdf8;
  --line: rgba(20, 27, 35, 0.12);
  --accent: #005f73;
  --accent-strong: #0a9396;
  --warm: #ee9b00;
  --danger: #b02e0c;
  --card-shadow: 0 24px 64px rgba(14, 30, 37, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(10, 147, 150, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(238, 155, 0, 0.16), transparent 24%),
    linear-gradient(180deg, #f1ece4 0%, #f8f5ef 42%, #f6f3ed 100%);
  font-family: "Aptos", "Trebuchet MS", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

.shell {
  min-height: 100vh;
  max-width: 1480px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 7rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.topbar h1,
.login-card h2,
.hero-card h2,
.panel h3,
.empty-state h2 {
  margin: 0;
  color: var(--ink-strong);
  font-family: "Bahnschrift", "Aptos", sans-serif;
  letter-spacing: 0.02em;
}

.subtitle,
.product-code,
.panel dd,
.context-block,
.mouser-card,
.empty-state p {
  color: var(--ink-soft);
}

.eyebrow {
  margin: 0 0 0.3rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  font-weight: 700;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-badge,
.status-badge,
.queue-pill,
.login-card,
.panel,
.hero-card,
.empty-state,
.feedback-bar,
.action-bar {
  backdrop-filter: blur(10px);
}

.user-badge,
.status-badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  background: rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.ghost-button,
.primary-button {
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

.ghost-button {
  background: rgba(255, 255, 255, 0.8);
  box-shadow: inset 0 0 0 1px var(--line);
}

.ghost-button--small {
  padding: 0.55rem 0.85rem;
  font-size: 0.84rem;
}

.primary-button {
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 14px 28px rgba(10, 147, 150, 0.25);
}

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

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.login-panel,
.empty-state {
  display: grid;
  place-items: center;
  min-height: 58vh;
}

.login-card,
.empty-state {
  width: min(100%, 420px);
  background: rgba(255, 253, 248, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  padding: 1.6rem;
  box-shadow: var(--card-shadow);
}

.login-form,
.review-form {
  display: grid;
  gap: 0.9rem;
}

.login-form label,
.review-form label {
  display: grid;
  gap: 0.45rem;
}

.login-form span,
.review-form span,
.info-list dt {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink-strong);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(20, 27, 35, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  padding: 0.9rem 1rem;
  resize: vertical;
}

.queue-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.queue-pill {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--card-shadow);
  display: grid;
  gap: 0.25rem;
}

.queue-pill span {
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.hero-card {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.56));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.74);
  box-shadow: var(--card-shadow);
  padding: 1.4rem 1.5rem;
  margin-bottom: 1rem;
}

.hero-meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.95fr);
  gap: 1rem;
}

.column {
  display: grid;
  gap: 1rem;
}

.panel {
  background: rgba(255, 253, 248, 0.82);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--card-shadow);
  padding: 1.25rem;
}

.panel__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.panel__actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.panel--editor {
  gap: 1rem;
}

.guide-panel,
.guide-builder {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(20, 27, 35, 0.08);
  background: rgba(255, 255, 255, 0.56);
}

.guide-panel h4 {
  margin: 0;
  color: var(--ink-strong);
}

.guide-structure {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.guide-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.guide-list {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.45rem;
}

.guide-list--soft {
  color: var(--ink-soft);
}

.field-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.field-heading span {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink-strong);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

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

.field-grid label {
  display: grid;
  gap: 0.45rem;
}

.info-list {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.info-list div {
  display: grid;
  gap: 0.2rem;
}

.info-list dd {
  margin: 0;
  white-space: pre-wrap;
}

.validation-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.6rem;
}

.validation-list li {
  color: var(--danger);
}

.validation-list li.is-ok {
  color: var(--accent);
}

.context-block {
  display: grid;
  gap: 0.35rem;
  white-space: pre-wrap;
}

.mouser-card {
  display: grid;
  gap: 0.8rem;
}

.mouser-card img {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: rgba(0, 95, 115, 0.08);
  padding: 0.8rem;
}

.feedback-bar {
  position: fixed;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 6.3rem;
  z-index: 20;
  border-radius: 18px;
  padding: 0.9rem 1rem;
  background: rgba(18, 20, 23, 0.9);
  color: #fff;
  box-shadow: 0 18px 40px rgba(18, 20, 23, 0.32);
}

.action-bar {
  position: fixed;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1.2rem;
  z-index: 25;
  display: flex;
  gap: 0.8rem;
  justify-content: flex-end;
  padding: 0.9rem;
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 20px 44px rgba(14, 30, 37, 0.16);
}

.action-bar .ghost-button,
.action-bar .primary-button {
  min-width: 180px;
}

@media (max-width: 1080px) {
  .queue-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 720px) {
  .shell {
    padding: 1rem 1rem 8rem;
  }

  .topbar,
  .panel__header,
  .hero-card {
    grid-template-columns: 1fr;
    display: grid;
  }

  .queue-strip {
    grid-template-columns: 1fr;
  }

  .panel__actions,
  .field-heading,
  .field-grid,
  .field-grid--compact {
    grid-template-columns: 1fr;
    display: grid;
  }

  .feedback-bar,
  .action-bar {
    left: 1rem;
    right: 1rem;
  }

  .action-bar {
    flex-direction: column;
  }

  .action-bar .ghost-button,
  .action-bar .primary-button {
    width: 100%;
  }
}