/* ===== QR Asset ID — Design System (Redesigned Light Theme) ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Core palette — Professional Clean Light Theme with Violet accents */
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --bg-elevated: #F8FAFC;
  --bg-glass: rgba(255, 255, 255, 0.9);
  --bg-input: #F8FAFC;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;

  --accent: #0D6E4E;
  --accent-hover: #0A553C;
  --accent-glow: rgba(13, 110, 78, 0.15);
  --accent-soft: #E7F5F0;

  --danger: #EF4444;
  --danger-soft: #FEE2E2;
  --warning: #F59E0B;
  --warning-soft: #FEF3C7;
  --info: #3B82F6;
  --info-soft: #DBEAFE;
  --success: #10B981;
  --success-soft: #D1FAE5;

  --border: #E2E8F0;
  --border-focus: #A78BFA;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.01);
  --shadow-glow: 0 0 16px rgba(124, 58, 237, 0.12);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===== Pages ===== */
.page { display: none; }
.page.active { display: block; }

/* ===== Login Split View ===== */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  background: var(--bg-secondary);
}

.login-sidebar {
  flex: 1.2;
  background: linear-gradient(135deg, var(--accent), #5B21B6);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.login-sidebar::before {
  content: '';
  position: absolute;
  width: 150%;
  height: 150%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
  top: -25%;
  left: -25%;
}

.login-sidebar-logo {
  font-size: 72px;
  margin-bottom: 24px;
  filter: drop-shadow(0 10px 15px rgba(0,0,0,0.2));
  animation: float 4s ease-in-out infinite;
}

.login-sidebar h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.login-sidebar p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  max-width: 420px;
}

.login-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px;
  background: var(--bg-secondary);
}

.login-brand {
  text-align: center;
  margin-bottom: 32px;
  animation: fadeSlideUp 0.6s ease-out;
}

.login-brand h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--accent);
}

.login-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 6px;
}

.login-form {
  width: 100%;
  max-width: 380px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  animation: fadeSlideUp 0.6s ease-out 0.1s backwards;
}

.login-hint {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 20px;
}

/* ===== Form Elements ===== */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], select, textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-secondary);
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' fill='%23475569' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
}
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-card-hover); }

.btn-danger {
  background: var(--danger);
  color: #FFFFFF;
}
.btn-danger:hover { background: #DC2626; }

.btn-full { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 4px; }
.btn-lg { padding: 14px 24px; font-size: 16px; }

/* ===== Top Nav ===== */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-size: 16px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.2px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-user {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.notification-bell {
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 18px;
  padding: 6px;
  border-radius: 50%;
  transition: var(--transition);
}
.notification-bell:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

/* ===== Tab Bar (Navigation Submenu) ===== */
.tab-bar {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 24px;
}

.tab-btn {
  padding: 14px 24px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: transparent;
  font-weight: 700;
}

.tab-content { display: none; padding: 24px; animation: fadeIn 0.3s ease; }
.tab-content.active { display: block; }

/* ===== QR Scanner & Verification ===== */
.scan-container {
  max-width: 600px;
  margin: 0 auto;
}

.scan-header {
  margin-bottom: 24px;
  text-align: center;
}
.scan-header h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.scan-header p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

.qr-reader-box {
  width: 100%;
  max-width: 320px;
  margin: 0 auto 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 4px solid var(--accent);
  background: #000;
  position: relative;
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.qr-reader-box::before {
  content: '';
  position: absolute;
  inset: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-md);
  pointer-events: none;
  z-index: 2;
}

.qr-reader-box video {
  width: 100%;
  display: block;
}

.scan-actions {
  text-align: center;
  margin-bottom: 28px;
}

.manual-input {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.manual-input h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.input-row {
  display: flex;
  gap: 12px;
}
.input-row input { flex: 1; }

/* ===== Scan Result Cards ===== */
.scan-result {
  max-width: 800px;
  margin: 24px auto 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
  animation: fadeSlideUp 0.4s ease;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.result-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.status-blank { background: var(--warning-soft); color: #B45309; }
.status-registered { background: var(--success-soft); color: #047857; }

.result-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.result-cell {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}
.result-cell label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.result-cell p {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
}

.result-full-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 24px;
}
.result-full-card label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.result-full-card p {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== Form Layouts (Card Panels) ===== */
.form-container {
  max-width: 1200px;
  margin: 0 auto;
}

.form-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.form-header-row h2 {
  font-size: 24px;
  font-weight: 800;
}

.back-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  margin-bottom: 12px;
}
.back-link:hover {
  color: var(--accent-hover);
}

.form-grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.form-card-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.form-card-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}
.form-card-title i {
  color: var(--accent);
}

/* ===== Asset List Layout ===== */
.list-container {
  max-width: 1200px;
  margin: 0 auto;
}

.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.list-header-left h2 {
  font-size: 24px;
  font-weight: 800;
}
.list-header-left p {
  color: var(--text-secondary);
  font-size: 14px;
}

.filter-bar {
  display: flex;
  gap: 12px;
  background: var(--bg-secondary);
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  align-items: center;
  flex-wrap: wrap;
}

.search-wrapper {
  position: relative;
  flex: 1.5;
  min-width: 240px;
}

.search-input {
  padding-left: 36px !important;
}

.search-wrapper::before {
  content: '🔍';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--text-muted);
}

.filter-select {
  flex: 1;
  min-width: 160px;
}

/* Table Design */
.table-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background: var(--bg-primary);
  padding: 14px 20px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 16px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: var(--bg-primary);
}

/* Asset Type Badges */
.type-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}
.type-personal {
  background: #F5F3FF;
  color: var(--accent);
  border: 1px solid #DDD6FE;
}
.type-department {
  background: #FEF3C7;
  color: #D97706;
  border: 1px solid #FDE68A;
}
.type-company {
  background: #DBEAFE;
  color: #2563EB;
  border: 1px solid #BFDBFE;
}

/* Action Link buttons */
.btn-action-edit {
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: 6px;
  border-radius: 4px;
  transition: var(--transition);
}
.btn-action-edit:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
}
.pagination button {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.pagination button:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.pagination button.active {
  background: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
  font-weight: 700;
}

/* ===== Dashboard Overview ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  padding: 24px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.stat-card .stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 20px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.chart-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.chart-bars {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chart-bar-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.chart-bar-label {
  width: 140px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-bar-track {
  flex: 1;
  height: 24px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.chart-bar-fill {
  height: 100%;
  border-radius: 12px;
  background: linear-gradient(90deg, var(--accent), #A78BFA);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 11px;
  font-weight: 700;
  color: #FFFFFF;
  min-width: fit-content;
}

.chart-bar-count {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  min-width: 40px;
  text-align: right;
}

.chart-value-col {
  width: 90px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: right;
  white-space: nowrap;
}

/* Recent Activity Logs */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  transition: var(--transition);
}

.activity-item:hover {
  background: var(--bg-secondary);
}

.activity-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.activity-text {
  flex: 1;
  color: var(--text-primary);
  font-weight: 500;
}
.activity-text strong {
  font-weight: 700;
}

.activity-time {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== QR Batch Management ===== */
.qr-manage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.manage-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.manage-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

/* ===== Modern Dialog Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: fadeSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 800;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: var(--transition);
}
.modal-close:hover { color: var(--text-primary); }

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

/* ===== Toast Alerts ===== */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.toast-success { background: #DEF7EC; color: #03543F; border: 1px solid #BCF0DA; }
.toast-error { background: #FDE8E8; color: #9B1C1C; border: 1px solid #FBD5D5; }
.toast-info { background: #EBF5FF; color: #1E429F; border: 1px solid #E1EFFE; }

/* ===== Condition Badges ===== */
.condition-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}
.condition-good { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.condition-used { background: #FEF3C7; color: #92400E; border: 1px solid #FDE68A; }
.condition-damaged { background: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5; }
.condition-disposed { background: #F1F5F9; color: #475569; border: 1px solid #E2E8F0; }

/* ===== Utilities ===== */
.hidden { display: none !important; }

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid #E2E8F0;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; font-weight: 500; }

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

/* ===== QR Batches list ===== */
.batch-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.batch-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  flex-wrap: wrap;
  gap: 12px;
}
.batch-card:hover {
  background: var(--bg-card-hover);
}

.batch-info h4 {
  font-size: 15px;
  font-weight: 700;
}
.batch-info p {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.batch-stats {
  display: flex;
  gap: 24px;
}
.batch-stat {
  text-align: center;
}
.batch-stat .num {
  font-size: 20px;
  font-weight: 700;
}
.batch-stat .lbl {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 2px;
}

.batch-actions {
  display: flex;
  gap: 8px;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
  .login-sidebar { display: none; }
  .form-grid-2x2 { grid-template-columns: 1fr; gap: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
  .qr-manage-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .top-nav { padding: 12px 16px; }
  .nav-brand { font-size: 14px; }
  
  .tab-bar { 
    padding: 0 12px; 
    -ms-overflow-style: none; /* IE and Edge */
    scrollbar-width: none; /* Firefox */
  }
  .tab-bar::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
  }
  .tab-btn { padding: 12px 14px; font-size: 13px; }
  .tab-content { padding: 16px 12px; }
  
  .filter-bar { flex-direction: column; align-items: stretch; padding: 14px; gap: 10px; }
  .search-wrapper { flex: auto; width: 100%; }
  .filter-select { min-width: 100%; }
  
  /* Modern Responsive Card List instead of Table */
  .table-card {
    background: transparent;
    border: none;
    box-shadow: none;
  }
  
  .data-table, .data-table thead, .data-table tbody, .data-table th, .data-table td, .data-table tr {
    display: block;
  }
  
  .data-table thead {
    display: none; /* Hide headers */
  }
  
  .data-table tbody tr {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
  }
  
  .data-table tbody tr:hover {
    background: var(--bg-card-hover) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  
  .data-table td {
    border: none;
    border-bottom: 1px dashed var(--border);
    padding: 10px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-primary);
  }
  
  /* Position the checkbox at the top right of each card */
  .data-table td:nth-child(1) {
    position: absolute;
    top: 16px;
    right: 16px;
    border-bottom: none !important;
    padding: 0 !important;
    display: block !important;
    z-index: 5;
  }
  .data-table td:nth-child(1) input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
  }
  .data-table td:nth-child(1)::before {
    content: none !important;
  }
  
  /* Hide the simple counter index column */
  .data-table td:nth-child(2) {
    display: none;
  }
  
  /* Card Header: Asset Name & QR Code span full width without labels */
  .data-table td:nth-child(3) {
    display: block;
    border-bottom: 2px solid var(--border);
    padding-bottom: 12px;
    margin-bottom: 8px;
    padding-right: 32px; /* Prevent text overlapping checkbox */
  }
  .data-table td:nth-child(3)::before {
    content: none !important;
  }
  .data-table td:nth-child(3) div {
    text-align: left;
  }
  .data-table td:nth-child(3) div:first-child {
    font-size: 16px !important;
    line-height: 1.4;
    margin-bottom: 4px;
  }
  
  /* Dynamic labels for other cells */
  .data-table td:nth-child(4)::before { content: "Loại tài sản"; font-weight: 600; color: var(--text-secondary); }
  .data-table td:nth-child(5)::before { content: "Nhóm tài sản"; font-weight: 600; color: var(--text-secondary); }
  .data-table td:nth-child(6)::before { content: "Người gán"; font-weight: 600; color: var(--text-secondary); }
  .data-table td:nth-child(7)::before { content: "Ngày bàn giao"; font-weight: 600; color: var(--text-secondary); }
  .data-table td:nth-child(8)::before { content: "Phòng ban"; font-weight: 600; color: var(--text-secondary); }
  .data-table td:nth-child(9)::before { content: "Vị trí"; font-weight: 600; color: var(--text-secondary); }
  .data-table td:nth-child(10)::before { content: "Giá trị"; font-weight: 600; color: var(--text-secondary); }
  .data-table td:nth-child(11)::before { content: "Thao tác"; font-weight: 600; color: var(--text-secondary); }
  
  /* Remove border on last child cell (Actions) */
  .data-table td:nth-child(11) {
    border-bottom: none;
    padding-bottom: 0;
    margin-top: 4px;
  }
  
  .result-grid-6 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px) {
  .nav-brand {
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 170px;
  }
  #navUser {
    display: none;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  #detailDynamicContainer {
    grid-template-columns: 1fr !important;
  }
  .modal {
    padding: 10px;
  }
  .modal-content {
    border-radius: var(--radius-md);
  }
  .modal-body {
    padding: 16px;
  }
  .form-card-panel {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .login-content { padding: 32px 16px; }
  .login-form { padding: 24px 20px; }
  .stats-grid { grid-template-columns: 1fr; }
  .result-grid-6 { grid-template-columns: 1fr; }
  .batch-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .batch-actions {
    width: 100%;
    justify-content: flex-end;
    margin-top: 8px;
  }
  .batch-stats {
    width: 100%;
    justify-content: space-between;
    margin-top: 4px;
  }
}