:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #64748b;
  --line: #dbe3ef;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --danger: #b91c1c;
  --warning: #b45309;
  --sidebar: #0f172a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Sora", "Plus Jakarta Sans", "Avenir Next", sans-serif;
  color: var(--text);
  background: var(--bg);
}

body.menu-open {
  overflow: hidden;
}

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

.subtitle {
  margin-top: 8px;
  color: var(--muted);
}

.hidden {
  display: none;
}

.message {
  min-height: 22px;
  margin-top: 10px;
  color: #15803d;
  font-weight: 600;
}

.message.error {
  color: var(--danger);
}

.btn-primary,
.btn-secondary {
  border: none;
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: #e2e8f0;
  color: #0f172a;
}

label {
  font-size: 0.92rem;
  font-weight: 600;
  color: #334155;
}

input,
select {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.95rem;
  background: white;
}

input:focus,
select:focus {
  outline: 2px solid rgba(15, 118, 110, 0.25);
  border-color: var(--primary);
}

.checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #334155;
}

.checkbox-wrap input {
  width: 16px;
  height: 16px;
}

/* Auth */
.auth-bg {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #dcfce7 0%, #e0e7ff 100%);
  padding: 20px;
}

.auth-shell {
  width: 100%;
  max-width: 500px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.09);
  display: grid;
  gap: 12px;
}

.auth-badge {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #99f6e4;
  background: #f0fdfa;
  color: #115e59;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 16px 0;
}

.tab {
  border: 1px solid var(--line);
  background: #f8fafc;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}

.tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.form-block {
  display: grid;
  gap: 10px;
}

.password-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.icon-btn {
  border: 1px solid var(--line);
  background: #f8fafc;
  border-radius: 10px;
  padding: 0 12px;
  cursor: pointer;
}

.hint {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.auth-actions {
  display: grid;
  gap: 8px;
}

.auth-link-btn {
  text-decoration: none;
  text-align: center;
  display: block;
  width: 100%;
}

/* Dashboard */
.layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
  position: relative;
}

.sidebar {
  background: var(--sidebar);
  color: #e2e8f0;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  z-index: 30;
}

.mobile-topbar,
.mobile-menu-close,
.mobile-backdrop {
  display: none;
}

.mobile-topbar {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  padding: 10px;
  align-items: center;
  gap: 12px;
}

.mobile-title-wrap {
  display: grid;
  line-height: 1.1;
}

.mobile-title-wrap strong {
  font-size: 0.98rem;
  color: #0f172a;
}

.mobile-title-wrap span {
  font-size: 0.78rem;
  color: var(--muted);
}

.mobile-menu-toggle,
.mobile-menu-close {
  border: 1px solid #334155;
  background: #0f172a;
  color: #f8fafc;
  border-radius: 10px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
}

.hamburger-line {
  display: block;
  width: 18px;
  height: 2px;
  background: #f8fafc;
  border-radius: 999px;
}

.sidebar-text {
  margin-top: 8px;
  color: #94a3b8;
}

.company-scope {
  margin-top: 14px;
  display: grid;
  gap: 6px;
}

.company-scope label {
  color: #cbd5e1;
  font-size: 0.82rem;
}

.company-scope select {
  background: #0b1220;
  color: #e2e8f0;
  border-color: #334155;
}

.menu {
  display: grid;
  gap: 8px;
}

.menu-item {
  display: block;
  width: 100%;
  border: none;
  color: #cbd5e1;
  text-decoration: none;
  text-align: left;
  font: inherit;
  padding: 10px 12px;
  border-radius: 10px;
  background: transparent;
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.menu-item.active,
.menu-item:hover {
  background: #1e293b;
  color: #f8fafc;
}

.content {
  padding: 24px;
  display: grid;
  gap: 18px;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.section {
  display: none;
}

.section.active {
  display: block;
}

.stats-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 10px;
}

.stat-card {
  background: #f8fafc;
  border: 1px solid #e6edf6;
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 6px;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.85rem;
}

.stat-card strong {
  font-size: 1.2rem;
}

.stat-card.warning {
  background: #fffbeb;
  border-color: #fde68a;
}

.stat-card.warning strong {
  color: var(--warning);
}

.stat-card.danger {
  background: #fef2f2;
  border-color: #fecaca;
}

.stat-card.danger strong {
  color: var(--danger);
}

.export-actions {
  margin-top: 12px;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
}

.analytics-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 10px;
}

.analytics-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #fcfdff;
}

.analytics-panel h3 {
  font-size: 0.96rem;
  margin-bottom: 10px;
}

.top-spaced {
  margin-top: 14px;
}

.kpi {
  font-size: 1.6rem;
  margin-bottom: 14px;
  color: #0f766e;
  font-weight: 700;
}

.bars {
  display: grid;
  gap: 10px;
}

.bar-row {
  display: grid;
  gap: 6px;
}

.bar-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
}

.bar-track {
  width: 100%;
  background: #e2e8f0;
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
}

.bar-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #0f766e, #0ea5e9);
}

.list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: #334155;
}

.toolbar {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1.3fr 1fr auto auto;
  gap: 10px;
  align-items: center;
}

.product-tools-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.import-actions,
.label-actions {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.grid-form {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 10px;
  align-items: end;
}

.user-create-form {
  margin-top: 14px;
}

.movement-grid {
  margin-top: 14px;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
}

.movement-form {
  display: grid;
  gap: 10px;
}

.history-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-bottom: 10px;
}

.history-list {
  max-height: 240px;
  overflow: auto;
  padding-right: 8px;
}

.actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.table-wrap {
  margin-top: 14px;
  overflow-x: auto;
}

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

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 10px;
  font-size: 0.9rem;
  white-space: nowrap;
}

th {
  background: #f8fafc;
}

.row-low-stock {
  background: #fff7ed;
}

.table-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  margin-right: 4px;
  background: #f8fafc;
}

.table-btn.danger {
  border-color: #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.empty {
  color: var(--muted);
}

.scanner-controls {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

.scanner-box {
  margin-top: 12px;
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  max-width: 520px;
  background: #0f172a;
}

.product-qr-panel {
  margin-top: 16px;
}

#scannerVideo {
  width: 100%;
  min-height: 270px;
  display: block;
  object-fit: cover;
}

.scanner-fallback {
  position: absolute;
  inset: 0;
  background: #0f172a;
}

.scanner-fallback video,
.scanner-fallback canvas,
.scanner-fallback > div {
  width: 100% !important;
  height: 100% !important;
}

.scanner-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 14px;
}

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .export-actions {
    grid-template-columns: 1fr 1fr;
  }

  .analytics-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1000px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .mobile-topbar {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 20;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .mobile-menu-close {
    display: inline-flex;
    position: absolute;
    right: 12px;
    top: 12px;
  }

  .mobile-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 25;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
  }

  .layout.menu-open .mobile-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(84vw, 320px);
    transform: translateX(-105%);
    transition: transform 0.24s ease;
    overflow-y: auto;
    padding-top: 68px;
    box-shadow: 0 14px 38px rgba(2, 6, 23, 0.45);
  }

  .layout.menu-open .sidebar {
    transform: translateX(0);
  }

  .content {
    padding: 14px;
  }

  .toolbar {
    grid-template-columns: 1fr;
  }

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

  .movement-grid {
    grid-template-columns: 1fr;
  }

  .product-tools-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}

@media (max-width: 640px) {
  .content {
    padding: 12px;
  }

  .panel {
    padding: 14px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .export-actions {
    grid-template-columns: 1fr;
  }

  .history-controls {
    grid-template-columns: 1fr;
  }

  .auth-card {
    padding: 22px 16px;
  }

  .btn-primary,
  .btn-secondary,
  .icon-btn {
    width: 100%;
  }

  .password-wrap .icon-btn {
    width: auto;
    min-width: 90px;
  }

  .auth-link-btn {
    width: 100%;
  }

  #scannerVideo {
    min-height: 220px;
  }
}