:root {
  --bg: #f6f0e8;
  --panel: rgba(255, 250, 245, 0.78);
  --panel-strong: #fff9f1;
  --border: rgba(54, 43, 32, 0.14);
  --text: #1f1a16;
  --muted: #6e6255;
  --accent: #c4572d;
  --accent-strong: #9f3914;
  --ok: #2f7d4c;
  --warn: #895f18;
  --shadow: 0 16px 40px rgba(67, 47, 27, 0.12);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(196, 87, 45, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(47, 125, 76, 0.12), transparent 25%),
    linear-gradient(180deg, #fdf7ef 0%, var(--bg) 100%);
}

button,
input {
  font: inherit;
}

.app-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 6px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(249, 238, 222, 0.86)),
    #fff;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero h1,
.panel h2 {
  margin: 0;
  line-height: 1.02;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
}

.hero-copy,
.muted {
  color: var(--muted);
}

.hero-stats,
.layout {
  display: grid;
  gap: 18px;
}

.hero-stats {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
}

.stat-card,
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 18px;
}

.stat-card strong {
  display: block;
  margin-top: 10px;
  font-size: 2rem;
}

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

.span-2 {
  grid-column: span 2;
}

.panel {
  padding: 22px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

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

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

label {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
}

input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(54, 43, 32, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
}

input:focus {
  outline: 2px solid rgba(196, 87, 45, 0.25);
  border-color: var(--accent);
}

.button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 16px;
  background: #efe4d6;
  color: var(--text);
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
  background: #ead9c5;
}

.button.accent {
  background: var(--accent);
  color: #fff8f3;
}

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

.search-input {
  max-width: 360px;
}

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

#scanner-video {
  width: 100%;
  min-height: 220px;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(31, 26, 22, 0.95), rgba(72, 57, 43, 0.95));
  object-fit: cover;
}

.inline-form {
  grid-template-columns: 1fr auto;
}

.camera-upload {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.card-grid,
.history-list {
  display: grid;
  gap: 14px;
}

.card-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.item-card,
.history-card,
.selection-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel-strong);
}

.item-card header,
.selection-card header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.pill {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(54, 43, 32, 0.08);
  color: var(--muted);
  font-size: 0.84rem;
}

.pill.available {
  background: rgba(47, 125, 76, 0.14);
  color: var(--ok);
}

.pill.borrowed {
  background: rgba(196, 87, 45, 0.14);
  color: var(--accent-strong);
}

.card-actions,
.selection-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.empty-state {
  padding: 32px 18px;
  border: 1px dashed rgba(54, 43, 32, 0.22);
  border-radius: 20px;
  color: var(--muted);
  text-align: center;
}

.qr-preview {
  display: grid;
  gap: 12px;
  justify-items: start;
  margin-top: 16px;
}

.qr-frame {
  padding: 12px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(54, 43, 32, 0.12);
}

.qr-preview canvas {
  display: block;
}

.mono {
  font-family: "IBM Plex Mono", monospace;
}

.history-card strong {
  display: block;
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .hero,
  .layout,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .span-2 {
    grid-column: auto;
  }

  .panel-heading {
    align-items: start;
    flex-direction: column;
  }

  .search-input {
    max-width: none;
  }
}