:root {
  --bg: #f3f6fb;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #ffffff;
  --text: #132238;
  --muted: #5e6c84;
  --line: rgba(18, 32, 48, 0.1);
  --shadow: 0 20px 50px rgba(18, 32, 48, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --success: #14804a;
  --warning: #af7d08;
  --danger: #c23b31;
  --info: #126fb4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(21, 94, 239, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(18, 32, 48, 0.09), transparent 32%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body, "IBM Plex Sans", sans-serif);
  font-size: var(--font-size-base, 14px);
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", var(--font-body, "IBM Plex Sans", sans-serif);
}

p {
  margin: 0;
  line-height: 1.6;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.95rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

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

input,
select,
textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(18, 32, 48, 0.14);
  background: rgba(255, 255, 255, 0.92);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary, #155eef);
  box-shadow: 0 0 0 4px rgba(21, 94, 239, 0.12);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.page-shell {
  min-height: 100vh;
  padding: 1.5rem;
}

.topbar,
.main-nav,
.panel,
.metric-card,
.login-card,
.login-copy,
.flash {
  backdrop-filter: blur(18px);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.78));
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  width: 58px;
  height: 58px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(18, 32, 48, 0.08);
}

.eyebrow {
  margin-bottom: 0.3rem;
  color: var(--primary, #155eef);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-chip {
  display: grid;
  padding: 0.65rem 0.9rem;
  border-radius: 14px;
  background: rgba(18, 32, 48, 0.04);
}

.user-chip span {
  color: var(--muted);
  font-size: 0.9rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1rem 0 1.35rem;
}

.main-nav a {
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(18, 32, 48, 0.08);
  color: var(--muted);
  font-weight: 600;
}

.main-nav a.is-current {
  background: linear-gradient(135deg, var(--primary, #155eef), var(--secondary, #122030));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 12px 24px rgba(21, 94, 239, 0.18);
}

.content-shell {
  display: grid;
  gap: 1.25rem;
}

.section-head,
.panel-head,
.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.inline-badges,
.toolbar-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.mini-stat,
.status-pill,
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.86rem;
}

.mini-stat {
  background: rgba(18, 32, 48, 0.05);
}

.status-pill.is-active,
.status-badge.success {
  background: rgba(20, 128, 74, 0.12);
  color: var(--success);
}

.status-pill.is-inactive,
.status-badge.danger {
  background: rgba(194, 59, 49, 0.12);
  color: var(--danger);
}

.status-badge.warning {
  background: rgba(175, 125, 8, 0.13);
  color: var(--warning);
}

.status-badge.info {
  background: rgba(18, 111, 180, 0.12);
  color: var(--info);
}

.status-badge.neutral {
  background: rgba(18, 32, 48, 0.08);
  color: var(--secondary, #122030);
}

.cards-grid,
.form-grid,
.stats-grid {
  display: grid;
  gap: 1rem;
}

.cards-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric-card,
.panel,
.login-card,
.login-copy {
  padding: 1.35rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.84));
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.metric-card {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card span {
  color: var(--muted);
}

.metric-card strong {
  font-size: 2.2rem;
  font-family: "Space Grotesk", var(--font-body, "IBM Plex Sans", sans-serif);
}

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

.table-wrapper {
  overflow-x: auto;
}

.empty-cell {
  text-align: center;
  color: var(--muted);
  padding: 1.4rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  border: 0;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--primary, #155eef), var(--secondary, #122030));
  color: #fff;
  box-shadow: 0 12px 24px rgba(21, 94, 239, 0.22);
}

.button-secondary {
  background: rgba(18, 32, 48, 0.08);
  color: var(--secondary, #122030);
}

.button-danger {
  background: rgba(194, 59, 49, 0.1);
  color: var(--danger);
}

.button-ghost {
  background: rgba(18, 32, 48, 0.06);
  color: var(--secondary, #122030);
}

.button-block {
  width: 100%;
}

.text-link {
  color: var(--primary, #155eef);
  font-weight: 700;
}

.flash {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  font-weight: 600;
}

.flash-success {
  background: rgba(20, 128, 74, 0.1);
  color: var(--success);
}

.flash-danger {
  background: rgba(194, 59, 49, 0.1);
  color: var(--danger);
}

.flash-warning {
  background: rgba(175, 125, 8, 0.1);
  color: var(--warning);
}

.stack-form,
.stack-list,
.form-grid label,
.upload-block {
  display: grid;
  gap: 0.55rem;
}

.stack-form {
  gap: 1rem;
}

.toolbar {
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(18, 32, 48, 0.08);
}

.toolbar form,
.filters-inline {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar input,
.toolbar select {
  min-width: 180px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}

.detail-meta {
  display: grid;
  gap: 0.85rem;
}

.meta-card {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(18, 32, 48, 0.04);
}

.actions-row,
.inline-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.inline-form {
  margin: 0;
}

.item-builder {
  display: grid;
  gap: 1rem;
}

.item-builder-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 0.75rem;
}

.item-summary {
  display: grid;
  gap: 0.35rem;
  justify-items: end;
}

.item-summary strong {
  font-size: 1.25rem;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.login-layout {
  width: min(1120px, 100%);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
}

.login-brand-panel {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 1.4rem;
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.82)),
    linear-gradient(160deg, rgba(18, 32, 48, 0.06), rgba(18, 32, 48, 0.02));
}

.login-brand-lockup {
  display: grid;
  gap: 0.45rem;
}

.login-brand-title {
  font-size: clamp(2.7rem, 7vw, 5.4rem);
  letter-spacing: 0.08em;
}

.login-brand-stage {
  width: min(420px, 100%);
  padding: 1rem;
  border-radius: 32px;
  background: rgba(18, 32, 48, 0.04);
  border: 1px solid rgba(18, 32, 48, 0.08);
}

.login-hero-logo {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 16px 28px rgba(18, 32, 48, 0.12));
}

.info-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.4rem;
}

.info-grid article {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(18, 32, 48, 0.04);
  display: grid;
  gap: 0.25rem;
}

.card-head {
  margin-bottom: 1.2rem;
}

.form-card {
  display: grid;
  gap: 1rem;
}

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

.form-grid .full {
  grid-column: 1 / -1;
}

.helper {
  color: var(--muted);
  font-size: 0.92rem;
}

.setup-card {
  width: min(760px, 100%);
  margin: 4rem auto;
}

.code-block {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(18, 32, 48, 0.06);
  overflow-x: auto;
  white-space: pre-wrap;
}

@media (max-width: 980px) {
  .two-column,
  .detail-grid,
  .login-layout,
  .form-grid,
  .item-builder-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
  }

  .toolbar form,
  .filters-inline,
  .actions-row,
  .inline-form {
    width: 100%;
  }

  .button,
  .toolbar input,
  .toolbar select {
    width: 100%;
  }
}