:root {
  --bg: #eef5ff;
  --bg-alt: #f8fbff;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-solid: #ffffff;
  --border: rgba(14, 62, 143, 0.12);
  --text: #10223f;
  --muted: #59708f;
  --primary: #0b63d8;
  --primary-2: #11a9b8;
  --accent: #17c0ad;
  --shadow: 0 18px 45px rgba(12, 60, 121, 0.11);
  --radius: 24px;
  --radius-sm: 16px;
  --max-width: 1680px;
  --danger: #c73b54;
  --success: #139f6b;
  --warning: #c38d22;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(23, 192, 173, 0.08), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(11, 99, 216, 0.12), transparent 24%),
    linear-gradient(180deg, #eff6ff 0%, #f9fbff 42%, #eef5ff 100%);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(calc(100% - 2rem), var(--max-width)); margin: 0 auto; }
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  padding: .8rem 1rem;
  background: #fff;
  border-radius: 12px;
  z-index: 999;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(249, 252, 255, 0.78);
  border-bottom: 1px solid rgba(16, 34, 63, 0.06);
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: .9rem;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand img {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.brand-kicker {
  display: block;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--primary-2);
  font-weight: 800;
}
.brand strong {
  display: block;
  font-size: 1.1rem;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.lang-switcher {
  display: inline-flex;
  padding: .3rem;
  border-radius: 999px;
  background: rgba(255,255,255,.85);
  box-shadow: inset 0 0 0 1px var(--border);
}
.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  min-width: 48px;
  padding: .55rem .8rem;
  border-radius: 999px;
  font-weight: 700;
}
.lang-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 8px 18px rgba(11, 99, 216, 0.25);
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-weight: 700;
}
.back-link::before { content: "←"; }

.hero { padding: 2rem 0 1.4rem; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 1.18fr);
  align-items: center;
  gap: 2rem;
}
.hero-copy {
  padding: 1rem 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255,255,255,.84);
  color: var(--primary);
  border: 1px solid rgba(11, 99, 216, 0.12);
  border-radius: 999px;
  padding: .55rem .95rem;
  font-weight: 800;
  box-shadow: var(--shadow);
}
.hero h1 {
  font-size: clamp(2rem, 4.2vw, 4rem);
  line-height: 1.04;
  margin: 1rem 0 .9rem;
}
.hero-text {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--muted);
  max-width: 58ch;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin: 1.2rem 0 1.5rem;
}
.hero-points span {
  padding: .72rem .95rem;
  border-radius: 999px;
  background: rgba(255,255,255,.88);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  font-weight: 700;
}
.hero-cta {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
}
.hero-media img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) + 8px);
  box-shadow: 0 28px 50px rgba(16, 34, 63, 0.18);
  object-fit: cover;
}

.feature-strip,
.tips-section {
  padding: 1rem 0 1.6rem;
}
.feature-grid,
.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.feature-card,
.tip-box,
.panel,
.stat-card {
  background: var(--panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.feature-card,
.tip-box {
  padding: 1.2rem 1.2rem 1rem;
}
.feature-card h2,
.tip-box h2 {
  font-size: 1.08rem;
  margin: 0 0 .5rem;
}
.feature-card p,
.tip-box p {
  color: var(--muted);
  margin: 0;
}

.app-section { padding: 1rem 0 1.6rem; }
.app-layout {
  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: 1.2rem;
  align-items: start;
}
.panel { overflow: hidden; }
.panel-form,
.panel-main { padding: 1.3rem; }
.panel-head h2 {
  margin: 0;
  font-size: 1.4rem;
}
.panel-head p {
  margin: .45rem 0 1.1rem;
  color: var(--muted);
}
.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .95rem;
  margin-bottom: .95rem;
}
.field { display: flex; flex-direction: column; gap: .4rem; }
.field span {
  font-weight: 700;
  font-size: .95rem;
}
.field input,
.field select,
.field textarea,
.compact-field input,
.compact-field select {
  width: 100%;
  border: 1px solid rgba(16, 34, 63, 0.12);
  background: rgba(255,255,255,0.94);
  color: var(--text);
  border-radius: 15px;
  padding: .86rem .95rem;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
textarea { resize: vertical; min-height: 110px; }
.field input:focus,
.field select:focus,
.field textarea:focus,
.compact-field input:focus,
.compact-field select:focus {
  outline: none;
  border-color: rgba(11, 99, 216, 0.45);
  box-shadow: 0 0 0 4px rgba(11, 99, 216, 0.12);
}
.field-full { grid-column: 1 / -1; }
.input-inline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 90px;
  gap: .6rem;
}
.form-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: .3rem;
}
.helper-text {
  color: var(--muted);
  font-size: .92rem;
  margin: .9rem 0 0;
}
.btn {
  border: 0;
  border-radius: 999px;
  padding: .9rem 1.18rem;
  font-weight: 800;
  letter-spacing: .01em;
  transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 16px 24px rgba(11, 99, 216, 0.23);
}
.btn-secondary {
  background: #fff;
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--border);
}
.btn-danger {
  background: rgba(199, 59, 84, 0.12);
  color: var(--danger);
  box-shadow: inset 0 0 0 1px rgba(199, 59, 84, 0.18);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.stat-card {
  padding: 1rem 1.05rem;
}
.stat-card span {
  display: block;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: .35rem;
}
.stat-card strong {
  font-size: clamp(1.15rem, 2vw, 1.65rem);
}
.toolbar {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.toolbar-group {
  display: flex;
  gap: .7rem;
  flex-wrap: wrap;
}
.toolbar-search { flex: 1 1 500px; }
.compact-field { min-width: 160px; }
.toolbar-search .compact-field:first-child { flex: 1 1 240px; }
.table-wrap {
  min-height: 390px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.82);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}
.inventory-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1180px;
}
.inventory-table th,
.inventory-table td {
  padding: .95rem .9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(16, 34, 63, 0.08);
}
.inventory-table th {
  background: rgba(11, 99, 216, 0.06);
  font-size: .84rem;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--muted);
}
.inventory-table td {
  font-size: .95rem;
}
.inventory-table th:nth-child(8),
.inventory-table td:nth-child(8) {
  min-width: 220px;
  width: 22%;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: normal;
}
.inventory-table th:nth-child(9),
.inventory-table td:nth-child(9) {
  min-width: 112px;
  width: 112px;
}
.panel-main {
  min-width: 0;
}
.table-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .38rem .7rem;
  border-radius: 999px;
  background: rgba(17, 169, 184, 0.1);
  color: #0e5d68;
  font-size: .82rem;
  font-weight: 800;
}
.table-badge.expired {
  background: rgba(199, 59, 84, 0.11);
  color: var(--danger);
}
.table-badge.none {
  background: rgba(89,112,143,.12);
  color: var(--muted);
}
.item-name {
  font-weight: 800;
  display: block;
}
.item-subtle {
  color: var(--muted);
  font-size: .86rem;
  margin-top: .15rem;
}
.action-buttons {
  display: flex;
  gap: .45rem;
  flex-wrap: wrap;
}
.action-btn {
  border: 0;
  border-radius: 999px;
  padding: .5rem .75rem;
  font-size: .85rem;
  font-weight: 800;
  background: rgba(11, 99, 216, 0.09);
  color: var(--primary);
}
.action-btn.delete {
  background: rgba(199, 59, 84, 0.12);
  color: var(--danger);
}
.empty-state {
  min-height: 390px;
  display: grid;
  place-content: center;
  gap: .4rem;
  text-align: center;
  padding: 2rem;
}
.empty-state img {
  width: 96px;
  height: 96px;
  margin: 0 auto .5rem;
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.empty-state h3 { margin: 0; font-size: 1.3rem; }
.empty-state p { color: var(--muted); margin: 0; max-width: 40ch; }
.inventory-cards { display: none; }
.card-list {
  list-style: none;
  margin: 0;
  padding: 1rem;
  display: grid;
  gap: .9rem;
}
.inventory-card {
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(246,250,255,.98));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1rem;
  box-shadow: 0 10px 20px rgba(16, 34, 63, 0.07);
}
.inventory-card h3 {
  margin: 0 0 .3rem;
  font-size: 1.1rem;
}
.inventory-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .55rem .8rem;
  margin: .8rem 0;
}
.inventory-meta div {
  background: rgba(11,99,216,.04);
  border-radius: 14px;
  padding: .65rem .7rem;
}
.inventory-meta small,
.card-notes small {
  display: block;
  color: var(--muted);
  font-size: .74rem;
  font-weight: 700;
  margin-bottom: .18rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.card-notes {
  background: rgba(17,169,184,.05);
  border-radius: 14px;
  padding: .75rem .8rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 0 2.1rem;
  color: var(--muted);
}
.footer-inner p { margin: 0; }
.footer-inner a { font-weight: 700; }

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  background: rgba(16, 34, 63, 0.96);
  color: #fff;
  padding: .95rem 1rem;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,.22);
  z-index: 100;
}

@media (max-width: 1500px) {
  .app-layout {
    grid-template-columns: 1fr;
  }
  .panel-form {
    order: 1;
    width: min(100%, 900px);
    justify-self: center;
  }
  .panel-main { order: 2; }
}

@media (max-width: 1140px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .feature-grid,
  .tips-grid,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .topbar,
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .field-grid,
  .input-inline,
  .inventory-meta,
  .feature-grid,
  .tips-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .toolbar { flex-direction: column; }
  .toolbar-group { width: 100%; }
  .toolbar-actions .btn,
  .hero-cta .btn,
  .form-actions .btn { width: 100%; justify-content: center; }
  .hero { padding-top: 1.2rem; }
  .table-wrap { background: transparent; border: 0; }
  .inventory-table { display: none; }
  .inventory-cards { display: block; }
  .panel-form,
  .panel-main { padding: 1rem; }
}