* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f1115;
  color: #f5f7fb;
}

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

button {
  border: 0;
  border-radius: 12px;
  padding: 0.75rem 1rem;
  background: #2a3140;
  color: #f5f7fb;
}

button.primary {
  background: #4d7cff;
}

.text-link {
  color: #9fc0ff;
  text-decoration: none;
}

img,
video,
canvas {
  width: 100%;
  border-radius: 16px;
  background: #171a22;
}

textarea,
select,
input[type="text"],
input[type="file"] {
  width: 100%;
  border: 1px solid #30384a;
  border-radius: 12px;
  padding: 0.75rem;
  background: #161a23;
  color: #f5f7fb;
}

label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.95rem;
}

.app-shell {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: #181c25;
  border: 1px solid #252b38;
  border-radius: 24px;
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

.hero-card,
.section-head,
.button-row,
.status-row,
.toggle-row,
.mode-card-header,
.pill-group {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.muted {
  color: #9aa4bb;
}

.pill,
.warning-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
  background: #232a37;
}

.warning-pill {
  background: #4b2a11;
  color: #ffd3ad;
}

.capture-grid,
.result-grid,
.review-grid,
.artifact-grid {
  display: grid;
  gap: 1rem;
}

.capture-grid,
.result-grid {
  grid-template-columns: 1fr;
}

.panel {
  background: #131720;
  border: 1px solid #232a37;
  border-radius: 20px;
  padding: 0.9rem;
}

.panel-stack {
  display: grid;
  gap: 0.9rem;
}

.mode-list {
  display: grid;
  gap: 0.45rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.label-title {
  margin: 0 0 0.5rem;
  color: #cdd5e5;
}

.warning-list,
.mode-results {
  display: grid;
  gap: 0.8rem;
}

.mode-card {
  background: #131720;
  border: 1px solid #232a37;
  border-radius: 20px;
  padding: 1rem;
  display: grid;
  gap: 0.8rem;
}

.board-block,
#assistant-summary {
  margin: 0;
  padding: 0.9rem;
  border-radius: 16px;
  background: #10141c;
  overflow-x: auto;
}

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

.feedback-shell {
  width: min(1280px, 100%);
}

.feedback-list,
.feedback-card {
  display: grid;
  gap: 1rem;
}

.feedback-card {
  background: #131720;
  border: 1px solid #232a37;
  border-radius: 20px;
  padding: 1rem;
}

.feedback-images {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.assistant-block {
  margin: 0;
  padding: 0.9rem;
  border-radius: 16px;
  background: #10141c;
  white-space: pre-wrap;
  overflow-x: auto;
}

.mode-table {
  display: grid;
  gap: 0.35rem;
}

.mode-row {
  padding: 0.55rem 0.7rem;
  border-radius: 12px;
  background: #10141c;
  color: #cdd5e5;
  font-size: 0.9rem;
}

.artifact-shell {
  margin: 0;
  display: grid;
  gap: 0.4rem;
}

.artifact-shell figcaption {
  color: #9aa4bb;
  font-size: 0.9rem;
}

.hidden {
  display: none;
}

.grow {
  grid-column: 1 / -1;
}

@media (min-width: 780px) {
  .capture-grid,
  .result-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

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

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

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