:root {
  color-scheme: dark;
  --bg-primary: #0a0a0f;
  --bg-secondary: #14141e;
  --bg-card: rgba(30, 30, 50, 0.88);
  --bg-card-hover: rgba(40, 40, 65, 0.96);
  --bg-sidebar: #0d0d15;
  --bg-header: rgba(13, 13, 21, 0.92);
  --bg-input: #1a1a2e;
  --bg-hover: rgba(53, 230, 177, 0.08);
  --bg-active: rgba(53, 230, 177, 0.15);
  --text-primary: #f1f1f5;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a82;
  --text-white: #ffffff;
  --border-color: rgba(53, 230, 177, 0.15);
  --border-hover: rgba(53, 230, 177, 0.4);
  --accent: #35e6b1;
  --accent-hover: #10b981;
  --accent-light: rgba(53, 230, 177, 0.12);
  --accent-glow: rgba(53, 230, 177, 0.3);
  --warning: #f59e0b;
  --danger: #ef4444;
  --success: #22c55e;
  --radius-card: 16px;
  --radius-button: 12px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.48);
  --shadow-hover: 0 12px 48px rgba(53, 230, 177, 0.15);
  --sidebar-width: 260px;
  --header-height: 64px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

[data-theme="light"] {
  color-scheme: light;
  --bg-primary: #f0f4ff;
  --bg-secondary: #e8edf8;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-sidebar: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.92);
  --bg-input: #f0f4ff;
  --bg-hover: rgba(37, 99, 235, 0.06);
  --bg-active: rgba(37, 99, 235, 0.12);
  --text-primary: #0a0a1a;
  --text-secondary: #4a4a6a;
  --text-muted: #7b8198;
  --text-white: #0a0a1a;
  --border-color: rgba(37, 99, 235, 0.14);
  --border-hover: rgba(37, 99, 235, 0.35);
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: rgba(37, 99, 235, 0.1);
  --accent-glow: rgba(37, 99, 235, 0.2);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 48px rgba(37, 99, 235, 0.12);
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  height: 100%;
  background:
    radial-gradient(circle at 20% 8%, var(--accent-light), transparent 32%),
    linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  color: var(--text-primary);
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button { cursor: pointer; }

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--header-height);
  padding: 0 24px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  z-index: 20;
}

.topbar__left,
.topbar__right,
.app-title,
.status-pill,
.button-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-title strong {
  display: block;
  letter-spacing: 0;
}

.app-title small {
  display: block;
  color: var(--text-secondary);
  font-size: 0.76rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent-glow);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  50% { opacity: 0.42; transform: scale(0.78); }
}

.icon-button,
.top-action {
  min-height: 36px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-hover);
  color: var(--text-primary);
  transition: 0.2s ease;
}

.icon-button {
  width: 38px;
  font-size: 1.1rem;
}

.top-action {
  padding: 0 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #061311;
  font-weight: 800;
}

.top-action.ghost {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.icon-button:hover,
.top-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.status-pill {
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 800;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
}

.status-dot.online { background: var(--success); }
.status-dot.offline { background: var(--danger); }

.workspace {
  display: flex;
  flex: 1;
  min-height: 0;
}

.sidebar {
  width: var(--sidebar-width);
  flex: 0 0 var(--sidebar-width);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  background: var(--bg-sidebar);
  transition: width 0.24s ease, flex-basis 0.24s ease;
  overflow: hidden;
}

.sidebar.is-collapsed {
  width: 0;
  flex-basis: 0;
  border-right: 0;
}

.sidebar__header {
  padding: 20px 20px 14px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar__nav {
  display: grid;
  gap: 4px;
  padding: 12px 8px;
  overflow-y: auto;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 46px;
  border: 0;
  border-radius: var(--radius-button);
  padding: 0 16px;
  background: transparent;
  color: var(--text-secondary);
  text-align: left;
  font-weight: 700;
  position: relative;
}

.side-link:hover,
.side-link.active {
  background: var(--bg-active);
  color: var(--text-white);
}

.side-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22%;
  width: 3px;
  height: 56%;
  border-radius: 0 4px 4px 0;
  background: var(--accent);
}

.side-link span {
  width: 22px;
  color: var(--accent);
  text-align: center;
}

.sidebar__footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.sidebar__footer strong,
.sidebar__footer small {
  display: block;
}

.sidebar__footer small {
  margin-top: 4px;
  color: var(--text-muted);
}

.content {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 28px 32px;
}

.page {
  display: none;
  animation: fadeIn 0.28s ease;
}

.page.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(14px); }
}

.hero-panel,
.section-card,
.dash-card,
.catalog-card,
.table-card,
.comparison-card,
dialog {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 22px;
  padding: clamp(22px, 4vw, 36px);
  margin-bottom: 18px;
  overflow: hidden;
  position: relative;
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border: 42px solid var(--accent-light);
  border-radius: 50%;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(2rem, 6vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 { font-size: clamp(1.35rem, 3vw, 2rem); }
h3 { font-size: 1.18rem; }

.hero-copy {
  max-width: 700px;
  margin-top: 18px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.hero-metrics {
  display: grid;
  gap: 12px;
  align-content: end;
  z-index: 1;
}

.hero-metrics div {
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
}

.hero-metrics strong {
  display: block;
  font-size: 2.1rem;
}

.hero-metrics span {
  color: var(--text-secondary);
  font-weight: 700;
}

.dashboard-grid,
.visual-nav,
.catalog-grid,
.comparison-grid {
  display: grid;
  gap: 16px;
}

.dashboard-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.dash-card {
  min-height: 142px;
  padding: 20px;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.dash-card::before,
.catalog-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.dash-card strong {
  display: block;
  margin-top: 12px;
  font-size: 2rem;
}

.dash-card span,
.dash-card small {
  color: var(--text-secondary);
}

.section-card {
  padding: 20px;
}

.section-heading,
.page-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
}

.visual-nav {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.visual-nav-card {
  min-height: 132px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 18px;
  background: var(--bg-input);
  color: var(--text-primary);
  text-align: left;
}

.visual-nav-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.visual-nav-card span {
  color: var(--text-secondary);
}

.filters {
  display: grid;
  grid-template-columns: 1.7fr repeat(3, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0 13px;
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
}

input:focus,
select:focus,
button:focus-visible {
  border-color: var(--border-hover);
  outline: 3px solid var(--accent-light);
}

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

.catalog-card,
.comparison-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  min-height: 330px;
  position: relative;
  overflow: hidden;
}

.catalog-card:hover,
.dash-card:hover,
.visual-nav-card:hover,
.comparison-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}

.machine-visual {
  height: 110px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background:
    linear-gradient(135deg, var(--accent-light), transparent),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.06) 0 16px, transparent 16px 32px);
  position: relative;
  overflow: hidden;
}

.machine-visual::before {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 46px;
  height: 18px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 22px var(--accent-glow);
}

.machine-visual::after {
  content: "";
  position: absolute;
  inset: 25px 62px;
  border: 14px solid rgba(255,255,255,0.58);
  border-radius: 16px;
}

.tag {
  display: inline-flex;
  width: fit-content;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
}

.muted { color: var(--text-secondary); }

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.metric {
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-input);
}

.metric small {
  display: block;
  color: var(--text-muted);
  font-weight: 800;
}

.spec-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.spec-list strong { color: var(--text-primary); }

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: auto;
}

.primary-button,
.secondary-button {
  min-height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  font-weight: 900;
}

.primary-button {
  background: var(--accent);
  color: #061311;
}

.secondary-button {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.table-card {
  overflow: auto;
}

table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.stock-ok,
.stock-low {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 900;
}

.stock-ok {
  color: var(--success);
  background: rgba(34,197,94,0.12);
}

.stock-low {
  color: var(--warning);
  background: rgba(245,158,11,0.12);
}

.empty {
  grid-column: 1 / -1;
  padding: 24px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  color: var(--warning);
  background: var(--bg-card);
  font-weight: 900;
}

dialog {
  width: min(820px, calc(100% - 28px));
  max-height: min(760px, calc(100vh - 32px));
  border: 1px solid var(--border-color);
  padding: 24px;
  color: var(--text-primary);
  overflow: auto;
}

dialog::backdrop {
  background: rgba(0,0,0,0.62);
}

.dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-input);
  color: var(--text-primary);
}

.detail-layers {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.detail-layer {
  padding: 14px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-input);
}

@media (max-width: 1120px) {
  .dashboard-grid,
  .visual-nav,
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-panel,
  .filters {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    height: auto;
    padding: 12px;
  }

  .topbar__right {
    width: 100%;
    flex-wrap: wrap;
  }

  .workspace {
    position: relative;
  }

  .sidebar {
    position: absolute;
    inset: 0 auto 0 0;
    z-index: 30;
  }

  .sidebar.is-collapsed {
    transform: translateX(-100%);
    width: var(--sidebar-width);
    flex-basis: var(--sidebar-width);
  }

  .content {
    padding: 16px;
  }

  .dashboard-grid,
  .visual-nav,
  .catalog-grid,
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.3rem;
  }
}

/* Operations layer: imagery, buying workflow and customization controls. */
.sync-note { display: inline-block; margin-top: 14px; color: var(--text-muted); }
.dash-card { display: grid; grid-template-columns: 60px 1fr; grid-template-rows: auto auto auto; column-gap: 14px; align-items: center; }
.dash-card img { grid-row: 1 / span 3; width: 60px; height: 88px; object-fit: cover; border-radius: 12px; border: 1px solid var(--border-color); }
.dash-card span { align-self: end; }
.dash-card strong { margin-top: 0; line-height: 1; }
.dash-card small { align-self: start; }
.catalog-card { transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease; }
.catalog-image { width: 100%; height: 140px; display: block; object-fit: cover; border-radius: 12px; border: 1px solid var(--border-color); filter: saturate(0.9); }
.card-topline { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.stock-editor { display: inline-flex; align-items: center; gap: 6px; }
.stock-step, .quantity-input, .stock-input { min-height: 34px; }
.stock-step { width: 32px; border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-hover); color: var(--text-primary); font-weight: 900; }
.stock-input { width: 70px; text-align: center; }
.stock-step:hover { border-color: var(--border-hover); color: var(--accent); }
.buy-link { color: var(--accent); }
.shopping-list { display: grid; gap: 10px; max-width: 980px; }
.shopping-row { display: grid; grid-template-columns: 72px minmax(0, 1fr) 92px 40px; gap: 14px; align-items: center; padding: 12px; border: 1px solid var(--border-color); border-radius: var(--radius-card); background: var(--bg-card); box-shadow: var(--shadow-card); }
.shopping-row img { width: 72px; height: 64px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border-color); }
.shopping-info { display: grid; gap: 3px; min-width: 0; }
.shopping-info strong, .shopping-info span, .shopping-info small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shopping-info span, .shopping-info small { color: var(--text-secondary); }
.quantity-input { width: 92px; text-align: center; }
.danger-button { color: var(--danger); border-color: rgba(239,68,68,0.32); }
.customization-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.7fr); gap: 16px; align-items: start; }
.preset-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 18px; }
.preset-row strong { margin-right: 8px; }
.color-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.color-grid label { display: grid; gap: 8px; color: var(--text-secondary); font-size: 0.84rem; font-weight: 800; }
.color-grid input { width: 100%; height: 48px; padding: 4px; cursor: pointer; }
.preview-panel { display: grid; gap: 12px; padding: 20px; border: 1px solid var(--border-color); border-radius: var(--radius-card); background: var(--bg-card); box-shadow: var(--shadow-card); }
.preview-block { display: grid; gap: 8px; padding: 18px; border: 1px solid var(--border-color); border-radius: 12px; background: var(--bg-input); }
.preview-block small { color: var(--text-secondary); }
#toast { position: fixed; left: 50%; bottom: 22px; z-index: 50; max-width: min(440px, calc(100% - 32px)); padding: 12px 16px; border: 1px solid var(--border-hover); border-radius: 12px; background: var(--bg-card); color: var(--text-primary); box-shadow: var(--shadow-hover); opacity: 0; pointer-events: none; transform: translate(-50%, 16px); transition: 0.24s ease; }
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast[data-type="warning"] { border-color: var(--warning); }
#toast[data-type="error"] { border-color: var(--danger); }
.detail-hero { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 18px; align-items: center; }
.detail-hero img { width: 180px; height: 130px; object-fit: cover; border-radius: 12px; border: 1px solid var(--border-color); }
.detail-layers .primary-button { width: 100%; }

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

@media (max-width: 560px) {
  .shopping-row { grid-template-columns: 56px minmax(0, 1fr) 62px 34px; gap: 8px; }
  .shopping-row img { width: 56px; height: 56px; }
  .shopping-info small { display: none; }
  .quantity-input { width: 62px; }
  .color-grid { grid-template-columns: 1fr; }
  .detail-hero { grid-template-columns: 1fr; }
  .detail-hero img { width: 100%; height: 160px; }
}

@media print {
  .topbar, .sidebar, .page:not(#page-compras), #toast { display: none !important; }
  body, .content { overflow: visible; background: #fff; color: #111; }
}