/* ===== Material Design 3 — FactoryOps v2 ===== */

:root {
  /* Primary */
  --md-primary: #1a73e8;
  --md-primary-dark: #1557b0;
  --md-on-primary: #ffffff;
  --md-primary-container: #d3e3fd;
  --md-on-primary-container: #041e49;

  /* Surface Tones (M3) */
  --md-surface: #ffffff;
  --md-surface-dim: #ddd8d3;
  --md-surface-bright: #fdf8f3;
  --md-surface-container-lowest: #ffffff;
  --md-surface-container-low: #f8f9fa;
  --md-surface-container: #f1f3f4;
  --md-surface-container-high: #e8eaed;
  --md-surface-container-highest: #dadce0;
  --md-surface-variant: #e1e3e1;
  --md-on-surface: #1f1f1f;
  --md-on-surface-secondary: #444746;
  --md-on-surface-variant: #5f6368;

  /* Outline */
  --md-outline: #747775;
  --md-outline-variant: #c4c7c5;

  /* Semantic */
  --md-success: #1e8e3e;
  --md-error: #d93025;
  --md-warning: #f9ab00;
  --md-info: #1a73e8;

  /* Elevation */
  --md-elevation-1: 0 1px 2px rgba(0,0,0,0.3), 0 1px 3px 1px rgba(0,0,0,0.15);
  --md-elevation-2: 0 1px 2px rgba(0,0,0,0.3), 0 2px 6px 2px rgba(0,0,0,0.15);
  --md-elevation-3: 0 4px 8px 3px rgba(0,0,0,0.15), 0 1px 3px rgba(0,0,0,0.3);

  /* Shape */
  --md-radius-xs: 4px;
  --md-radius-sm: 8px;
  --md-radius: 12px;
  --md-radius-lg: 16px;
  --md-radius-xl: 28px;
  --md-radius-full: 9999px;

  /* Motion */
  --md-motion-standard: 300ms cubic-bezier(0.2, 0, 0, 1);
  --md-motion-emphasized: 500ms cubic-bezier(0.2, 0, 0, 1);
  --md-motion-quick: 150ms cubic-bezier(0.2, 0, 0, 1);
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html, body {
  max-width: 100vw;
  overflow-x: hidden;
}

body {
  font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
  color: var(--md-on-surface);
  background: var(--md-surface-container-low);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

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

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spinning {
  animation: spin 1s linear infinite;
}

/* ===== Loading States ===== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--md-primary);
}

.loading .material-symbols-outlined {
  font-size: 36px;
}

.auth-loading {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--md-surface-container-low);
}

.auth-loading .material-symbols-outlined {
  font-size: 48px;
  color: var(--md-primary);
}

/* ===== Card ===== */
.card {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  box-shadow: var(--md-elevation-1);
  overflow: hidden;
  transition: box-shadow var(--md-motion-standard);
}

.card:hover {
  box-shadow: var(--md-elevation-2);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 24px;
  background: var(--md-surface-container-low);
  font-size: 14px;
  font-weight: 500;
  color: var(--md-on-surface);
  justify-content: space-between;
}

.card-header .material-symbols-outlined {
  font-size: 20px;
  color: var(--md-primary);
}

.card-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  border: none;
  border-radius: var(--md-radius-xl);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--md-motion-quick), box-shadow var(--md-motion-quick);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--md-motion-quick);
}

.btn-primary:hover:not(:disabled)::after {
  opacity: 0.08;
}

.btn-primary:hover:not(:disabled) {
  box-shadow: var(--md-elevation-1);
}

.btn-primary:active:not(:disabled)::after {
  opacity: 0.12;
}

.btn-primary:disabled {
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  opacity: 0.38;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-primary .material-symbols-outlined {
  font-size: 18px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border: none;
  border-radius: var(--md-radius-xl);
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--md-motion-quick), box-shadow var(--md-motion-quick);
  position: relative;
  overflow: hidden;
}

.btn-outline::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--md-on-primary-container);
  opacity: 0;
  transition: opacity var(--md-motion-quick);
}

.btn-outline:hover::after {
  opacity: 0.08;
}

.btn-outline .material-symbols-outlined {
  font-size: 16px;
}

.btn-sm {
  padding: 6px 14px;
  min-height: 36px;
  font-size: 12px;
}

.btn-sm .material-symbols-outlined {
  font-size: 16px;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--md-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  padding: 8px 12px;
  min-height: 44px;
  border-radius: var(--md-radius-xl);
  transition: background var(--md-motion-quick);
  position: relative;
  overflow: hidden;
}

.btn-text::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--md-primary);
  opacity: 0;
  transition: opacity var(--md-motion-quick);
}

.btn-text:hover::after {
  opacity: 0.08;
}

.btn-text .material-symbols-outlined {
  font-size: 18px;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  border-radius: var(--md-radius-full);
  cursor: pointer;
  color: var(--md-on-surface-variant);
  transition: background var(--md-motion-quick), color var(--md-motion-quick);
}

.btn-icon:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--md-on-surface);
}

.btn-icon .material-symbols-outlined {
  font-size: 20px;
}

.btn-icon-danger:hover {
  background: rgba(217, 48, 37, 0.08);
  color: var(--md-error);
}

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

.btn-danger:hover {
  background: rgba(217, 48, 37, 0.08);
}

/* ===== Empty States ===== */
.empty-message {
  text-align: center;
  padding: 40px;
  color: var(--md-on-surface-variant);
  font-size: 14px;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 64px 24px;
  color: var(--md-on-surface-variant);
}

.empty-state .material-symbols-outlined {
  font-size: 56px;
  opacity: 0.35;
}

.empty-state p {
  font-size: 15px;
}

/* ===== Home / Tenant Selection ===== */
.home-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px;
}

.home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.home-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.home-title .material-symbols-outlined {
  font-size: 32px;
  color: var(--md-primary);
}

.home-title h1 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.home-user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--md-on-surface-variant);
}

.tenant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.tenant-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 20px;
  border-radius: var(--md-radius-lg);
  background: var(--md-surface);
  box-shadow: var(--md-elevation-1);
  cursor: pointer;
  transition: box-shadow var(--md-motion-standard), transform var(--md-motion-standard);
}

.tenant-card:hover {
  box-shadow: var(--md-elevation-2);
  transform: translateY(-2px);
}

.tenant-icon {
  font-size: 36px;
  color: var(--md-primary);
}

.tenant-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--md-on-surface);
}

.tenant-id {
  font-size: 12px;
  color: var(--md-on-surface-variant);
}

.tenant-badge-dt {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  font-size: 11px;
  font-weight: 500;
}

.tenant-badge-dt .material-symbols-outlined {
  font-size: 14px;
}

.tenant-card-settings {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--md-radius-full);
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--md-motion-quick), background var(--md-motion-quick);
}

.tenant-card:hover .tenant-card-settings {
  opacity: 1;
}

.tenant-card-settings:hover {
  background: rgba(0, 0, 0, 0.08);
}

.tenant-card-settings .material-symbols-outlined {
  font-size: 18px;
}

.mapping-modal-tenant-name {
  font-size: 14px;
  color: var(--md-on-surface-variant);
  margin-bottom: 4px;
  padding: 0 24px;
}

.loading-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  font-size: 13px;
  color: var(--md-on-surface-variant);
}

.loading-inline .material-symbols-outlined {
  font-size: 18px;
}

/* ===== Login ===== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--md-surface-container-low);
  padding: 20px;
}

.login-card {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--md-elevation-2);
}

.login-header {
  text-align: center;
  margin-bottom: 36px;
}

.login-icon {
  font-size: 48px;
  color: var(--md-primary);
  margin-bottom: 16px;
  display: block;
}

.login-header h1 {
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 8px 0;
  letter-spacing: -0.01em;
}

.login-header p {
  font-size: 14px;
  color: var(--md-on-surface-variant);
  margin: 0;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.login-error {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(217, 48, 37, 0.08);
  border-radius: var(--md-radius);
  color: var(--md-error);
  font-size: 14px;
}

.login-error .material-symbols-outlined {
  font-size: 20px;
}

.login-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  border: none;
  border-radius: var(--md-radius-xl);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--md-motion-quick), box-shadow var(--md-motion-quick);
  margin-top: 4px;
  letter-spacing: 0.01em;
}

.login-button:hover:not(:disabled) {
  box-shadow: var(--md-elevation-1);
}

.login-button:disabled {
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  opacity: 0.38;
  cursor: not-allowed;
}

.login-button .material-symbols-outlined {
  font-size: 18px;
}

/* ===== Toast / Snackbar ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: var(--md-radius-sm);
  box-shadow: var(--md-elevation-3);
  min-width: 320px;
  max-width: 520px;
  animation: toast-in 0.3s ease;
}

.toast-success { background: #2d2d2d; color: #a8dab5; }
.toast-error { background: #2d2d2d; color: #f9a8a1; }
.toast-info { background: #2d2d2d; color: #a8c7fa; }

.toast-icon { font-size: 20px; }
.toast-message { flex: 1; font-size: 14px; color: #e3e3e3; }

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  padding: 4px;
  border-radius: var(--md-radius-full);
  transition: opacity var(--md-motion-quick);
}

.toast-close:hover { opacity: 1; }

.toast-exit {
  animation: toast-out 0.3s ease forwards;
}

@keyframes toast-in {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes toast-out {
  from { transform: translateY(0); opacity: 1; }
  to { transform: translateY(24px); opacity: 0; }
}

/* ===== TopNav ===== */
.topnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--md-surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  z-index: 100;
}

.topnav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topnav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 8px;
  min-height: 44px;
  border-radius: var(--md-radius-sm);
  color: var(--md-primary);
  transition: background var(--md-motion-quick);
}

.topnav-brand:hover {
  background: rgba(26, 115, 232, 0.06);
}

.topnav-brand .material-symbols-outlined {
  font-size: 24px;
}

.topnav-app-name {
  font-size: 18px;
  font-weight: 500;
  color: var(--md-on-surface);
  letter-spacing: -0.01em;
}

.topnav-divider {
  width: 1px;
  height: 24px;
  background: var(--md-outline-variant);
}

.topnav-tenant {
  font-size: 14px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
}

.topnav-center {
  display: flex;
  align-items: center;
  gap: 4px;
}

.topnav-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  min-height: 44px;
  background: none;
  border: none;
  border-radius: var(--md-radius-xl);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  transition: background var(--md-motion-quick), color var(--md-motion-quick);
  position: relative;
  overflow: hidden;
}

.topnav-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--md-motion-quick);
}

.topnav-item:hover::after {
  opacity: 0.06;
}

.topnav-item:hover {
  color: var(--md-on-surface);
}

.topnav-item.active {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.topnav-item.active::after {
  opacity: 0;
}

.topnav-item .material-symbols-outlined {
  font-size: 18px;
}

.topnav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topnav-user {
  font-size: 13px;
  color: var(--md-on-surface-variant);
}

/* ===== Tenant Layout ===== */
.tenant-layout {
  min-height: 100vh;
}

.tenant-main {
  padding-top: 64px;
}

/* ===== Page Common ===== */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.page-header-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.page-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.page-title .material-symbols-outlined {
  font-size: 28px;
  color: var(--md-primary);
}

.page-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 80px 20px;
  color: var(--md-error);
}

.page-error .material-symbols-outlined {
  font-size: 48px;
}

.page-error p {
  font-size: 16px;
  color: var(--md-on-surface-variant);
}

.page-breadcrumb {
  margin-bottom: 16px;
}

/* ===== Form Fields ===== */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field label,
.form-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
}

.form-field input {
  padding: 14px 16px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius);
  background: var(--md-surface);
  color: var(--md-on-surface);
  font-size: 16px;
  font-family: inherit;
  transition: border-color var(--md-motion-quick);
  outline: none;
}

.form-field input:focus {
  border-color: var(--md-primary);
  border-width: 2px;
  padding: 13px 15px;
}

.form-field input::placeholder {
  color: var(--md-on-surface-variant);
  opacity: 0.6;
}

.form-field input:disabled {
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  opacity: 0.5;
  cursor: not-allowed;
}

.form-field select {
  padding: 14px 16px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius);
  background: var(--md-surface);
  color: var(--md-on-surface);
  font-size: 16px;
  font-family: inherit;
  transition: border-color var(--md-motion-quick);
  outline: none;
  width: 100%;
}

.form-field select:focus {
  border-color: var(--md-primary);
  border-width: 2px;
  padding: 13px 15px;
}

.form-field select:disabled {
  background: var(--md-surface-container-high);
  opacity: 0.5;
  cursor: not-allowed;
}

.form-field input[type="number"] {
  -moz-appearance: textfield;
}

.form-field input[type="number"]::-webkit-outer-spin-button,
.form-field input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

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

.form-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.form-row > .form-field {
  flex: 1;
}

/* ===== Machine Grid (Dashboard) ===== */
.machine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.machine-card {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  overflow: hidden;
  box-shadow: var(--md-elevation-1);
  transition: box-shadow var(--md-motion-standard), transform var(--md-motion-standard);
}

.machine-card:hover {
  box-shadow: var(--md-elevation-2);
  transform: translateY(-1px);
}

.machine-card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  cursor: pointer;
}

.machine-card-icon {
  color: var(--md-primary);
}

.machine-card-icon .material-symbols-outlined {
  font-size: 32px;
}

.machine-card-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.machine-card-name {
  font-size: 16px;
  font-weight: 500;
}

.machine-card-code {
  font-size: 13px;
  color: var(--md-on-surface-variant);
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
}

.machine-card-model {
  font-size: 12px;
  color: var(--md-on-surface-variant);
}

.machine-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--md-outline-variant);
}

.machine-card-parts {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--md-on-surface-variant);
}

.machine-card-parts .material-symbols-outlined {
  font-size: 16px;
}

.machine-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  padding: 8px 16px;
  background: var(--md-surface-container-low);
}

/* ===== Detail Page ===== */
.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding: 20px 24px;
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  box-shadow: var(--md-elevation-1);
}

.detail-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.detail-icon {
  font-size: 36px;
  line-height: 1;
  color: var(--md-primary);
}

.detail-title {
  font-size: 22px;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}

.detail-subtitle {
  font-size: 14px;
  color: var(--md-on-surface-variant);
}

/* ===== Section ===== */
.section {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  overflow: hidden;
  box-shadow: var(--md-elevation-1);
}

.section + .section {
  margin-top: 20px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--md-surface-container-low);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  margin: 0;
}

.section-title .material-symbols-outlined {
  font-size: 20px;
  line-height: 1;
  color: var(--md-primary);
}

/* ===== Part Table ===== */
.part-table-wrap {
  overflow-x: auto;
}

.part-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.part-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  background: var(--md-surface-container-low);
  border-bottom: 1px solid var(--md-outline-variant);
  white-space: nowrap;
  font-size: 12px;
  letter-spacing: 0.02em;
}

.part-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  vertical-align: middle;
}

.part-table tbody tr {
  transition: background var(--md-motion-quick);
}

.part-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.02);
}

.part-table tbody tr:last-child td {
  border-bottom: none;
}

.part-row-warning {
  background: rgba(249, 171, 0, 0.06) !important;
}

.part-name-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.part-name-cell strong {
  font-weight: 500;
}

.part-number {
  font-size: 11px;
  color: var(--md-on-surface-variant);
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
}

.part-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* ===== Percentage Bar ===== */
.pct-bar-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 100px;
}

.pct-bar {
  height: 6px;
  background: var(--md-primary);
  border-radius: 3px;
  transition: width var(--md-motion-standard);
}

.pct-bar-warning {
  background: var(--md-warning);
}

.pct-label {
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

/* ===== Modal ===== */
@keyframes modal-fade-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.modal-content {
  background: var(--md-surface);
  border-radius: var(--md-radius-xl);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: var(--md-elevation-3);
  animation: modal-fade-in 200ms ease-out;
}

.modal-lg {
  max-width: 640px;
}

.modal-sm {
  max-width: 480px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 24px 0;
}

.modal-header h3 {
  font-size: 20px;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  border-radius: var(--md-radius-full);
  cursor: pointer;
  color: var(--md-on-surface-variant);
  transition: background var(--md-motion-quick);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.06);
}

.modal-content form {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px 24px;
}

.modal-body-form {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-body-form .form-row {
  flex-wrap: wrap;
}

.modal-body-form .form-row > .form-field {
  min-width: 0;
  flex: 1 1 140px;
}

/* ===== Tab Bar ===== */
.tab-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  padding: 4px;
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  width: fit-content;
  box-shadow: var(--md-elevation-1);
}

.tab-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--md-radius);
  background: transparent;
  color: var(--md-on-surface-variant);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--md-motion-quick), color var(--md-motion-quick);
}

.tab-item:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--md-on-surface);
}

.tab-item.active {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.tab-item .material-symbols-outlined {
  font-size: 18px;
}

/* ===== Template Grid ===== */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.template-card {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  overflow: hidden;
  box-shadow: var(--md-elevation-1);
  transition: box-shadow var(--md-motion-standard), transform var(--md-motion-standard);
}

.template-card:hover {
  box-shadow: var(--md-elevation-2);
  transform: translateY(-1px);
}

.template-card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  cursor: pointer;
}

.template-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.template-card-icon {
  font-size: 28px;
  color: var(--md-primary);
}

.template-card-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--md-radius-sm);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.badge-schedule {
  background: rgba(26, 115, 232, 0.08);
  color: var(--md-primary);
}

.badge-mode {
  background: rgba(30, 142, 62, 0.08);
  color: var(--md-success);
}

.template-card-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.template-card-name {
  font-size: 16px;
  font-weight: 500;
}

.template-card-meta {
  font-size: 13px;
  color: var(--md-on-surface-variant);
}

.template-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  padding: 8px 16px;
  background: var(--md-surface-container-low);
}

/* ===== Radio / Checkbox ===== */
.radio-group {
  display: flex;
  gap: 16px;
  padding-top: 4px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--md-on-surface);
  cursor: pointer;
}

.radio-label input[type="radio"] {
  accent-color: var(--md-primary);
  width: 18px;
  height: 18px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--md-on-surface);
  cursor: pointer;
  min-width: fit-content;
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--md-primary);
  width: 18px;
  height: 18px;
}

/* ===== Items List (Template Editor) ===== */
.items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--md-surface-container-low);
  border-radius: var(--md-radius);
  border: 1px solid var(--md-outline-variant);
}

.item-order {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 32px;
}

.order-num {
  font-size: 12px;
  font-weight: 600;
  color: var(--md-on-surface-variant);
}

.item-fields {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

/* ===== Form Actions ===== */
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding-top: 12px;
}

/* ===== Inspection List ===== */
.inspection-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.inspection-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--md-surface);
  border-radius: var(--md-radius);
  cursor: pointer;
  box-shadow: var(--md-elevation-1);
  transition: box-shadow var(--md-motion-quick), transform var(--md-motion-quick);
}

.inspection-card:hover {
  box-shadow: var(--md-elevation-2);
  transform: translateY(-1px);
}

.inspection-card-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.inspection-card-icon {
  font-size: 24px;
  color: var(--md-primary);
}

.inspection-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.inspection-card-name {
  font-weight: 500;
  font-size: 14px;
  color: var(--md-on-surface);
}

.inspection-card-meta {
  font-size: 12px;
  color: var(--md-on-surface-variant);
}

.inspection-card-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.inspection-card-progress {
  font-size: 13px;
  color: var(--md-on-surface-variant);
  font-variant-numeric: tabular-nums;
}

.badge-draft {
  background: var(--md-surface-container);
  color: var(--md-on-surface-variant);
}

.badge-progress {
  background: rgba(26, 115, 232, 0.08);
  color: #1565c0;
}

.badge-completed {
  background: rgba(30, 142, 62, 0.08);
  color: #2e7d32;
}

.badge-completed-lg {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(30, 142, 62, 0.08);
  color: #2e7d32;
  border-radius: var(--md-radius-xl);
  font-weight: 500;
  font-size: 14px;
}

.badge-completed-lg .material-symbols-outlined {
  font-size: 18px;
}

/* ===== Template Select Modal ===== */
.template-select-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.template-select-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius);
  background: transparent;
  cursor: pointer;
  transition: background var(--md-motion-quick), border-color var(--md-motion-quick);
  width: 100%;
  text-align: left;
}

.template-select-item:hover {
  background: rgba(26, 115, 232, 0.04);
  border-color: var(--md-primary);
}

.template-select-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.template-select-name {
  font-weight: 500;
  font-size: 14px;
}

.template-select-meta {
  font-size: 12px;
  color: var(--md-on-surface-variant);
}

.template-select-item .material-symbols-outlined {
  color: var(--md-on-surface-variant);
  font-size: 20px;
}

/* ===== Inspection Detail ===== */
.page-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--md-on-surface-variant);
}

.save-indicator {
  font-size: 13px;
  color: var(--md-on-surface-variant);
  padding-right: 4px;
}

.inspection-notes {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(249, 171, 0, 0.08);
  border-radius: var(--md-radius);
  font-size: 13px;
  color: #e65100;
  margin-bottom: 16px;
}

.inspection-notes .material-symbols-outlined {
  font-size: 18px;
  flex-shrink: 0;
}

.inspection-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.inspection-item-card {
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius-lg);
  padding: 16px 20px;
  background: var(--md-surface);
  transition: border-color var(--md-motion-quick), box-shadow var(--md-motion-quick);
}

.inspection-item-card.pass {
  border-left: 4px solid #4caf50;
}

.inspection-item-card.fail {
  border-left: 4px solid var(--md-error);
}

.inspection-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.inspection-item-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--md-radius-full);
  background: var(--md-primary);
  color: var(--md-on-primary);
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.inspection-item-name {
  font-weight: 500;
  font-size: 14px;
}

.inspection-item-required {
  font-size: 11px;
  color: var(--md-error);
  padding: 2px 8px;
  border: 1px solid rgba(217, 48, 37, 0.3);
  border-radius: var(--md-radius-xs);
  font-weight: 500;
}

.badge-category {
  background: rgba(123, 31, 162, 0.08);
  color: #7b1fa2;
}

.badge-pass {
  background: rgba(46, 125, 50, 0.08);
  color: #2e7d32;
}

.badge-fail {
  background: rgba(217, 48, 37, 0.08);
  color: var(--md-error);
}

.inspection-item-body {
  padding-left: 36px;
}

.inspection-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.inspection-input-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.inspection-input-group .form-input {
  max-width: 200px;
}

.input-unit {
  font-size: 13px;
  color: var(--md-on-surface-variant);
  white-space: nowrap;
}

.spec-range,
.warning-range {
  font-size: 12px;
  color: var(--md-on-surface-variant);
  padding: 4px 10px;
  background: var(--md-surface-container-low);
  border-radius: var(--md-radius-sm);
}

.warning-range {
  background: rgba(249, 171, 0, 0.08);
  color: #f57f17;
}

.boolean-toggle {
  display: flex;
  gap: 8px;
}

.toggle-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 24px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius-xl);
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: background var(--md-motion-quick), border-color var(--md-motion-quick), color var(--md-motion-quick);
}

.toggle-btn:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.04);
}

.toggle-btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.toggle-btn .material-symbols-outlined {
  font-size: 18px;
}

.toggle-pass.active {
  background: rgba(76, 175, 80, 0.1);
  border-color: #4caf50;
  color: #2e7d32;
}

.toggle-fail.active {
  background: rgba(217, 48, 37, 0.1);
  border-color: var(--md-error);
  color: var(--md-error);
}

.form-textarea {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius);
  font-size: 14px;
  resize: vertical;
  font-family: inherit;
  transition: border-color var(--md-motion-quick);
  outline: none;
}

.form-textarea:focus {
  border-color: var(--md-primary);
  border-width: 2px;
  padding: 11px 15px;
}

.form-textarea:disabled {
  background: var(--md-surface-container-high);
  cursor: not-allowed;
  opacity: 0.5;
}

.form-select {
  padding: 10px 14px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius);
  font-size: 14px;
  background: var(--md-surface);
  min-width: 200px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--md-motion-quick);
}

.form-select:focus {
  border-color: var(--md-primary);
  border-width: 2px;
  padding: 9px 13px;
}

.form-select:disabled {
  background: var(--md-surface-container-high);
  cursor: not-allowed;
  opacity: 0.5;
}

.form-input {
  padding: 10px 14px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius);
  font-size: 14px;
  background: var(--md-surface);
  font-family: inherit;
  outline: none;
  transition: border-color var(--md-motion-quick);
}

.form-input:focus {
  border-color: var(--md-primary);
  border-width: 2px;
  padding: 9px 13px;
}

.form-input:disabled {
  background: var(--md-surface-container-high);
  cursor: not-allowed;
  opacity: 0.5;
}

/* ===== Custom Select (inspection form) ===== */
.custom-select {
  position: relative;
  min-width: 200px;
}

.custom-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius);
  font-size: 14px;
  background: var(--md-surface);
  cursor: pointer;
  text-align: left;
  gap: 8px;
  transition: border-color var(--md-motion-quick);
  font-family: inherit;
}

.custom-select-trigger:hover:not(.disabled) {
  border-color: var(--md-on-surface);
}

.custom-select-trigger:focus {
  outline: none;
  border-color: var(--md-primary);
  border-width: 2px;
  padding: 9px 13px;
}

.custom-select-trigger.disabled {
  background: var(--md-surface-container-high);
  cursor: not-allowed;
  color: var(--md-on-surface-variant);
  opacity: 0.5;
}

.custom-select-trigger .placeholder {
  color: var(--md-on-surface-variant);
  opacity: 0.6;
}

.custom-select-arrow {
  font-size: 20px;
  color: var(--md-on-surface-variant);
  flex-shrink: 0;
}

.custom-select-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius);
  box-shadow: var(--md-elevation-2);
  z-index: 100;
  list-style: none;
  padding: 4px 0;
  margin: 0;
  max-height: 240px;
  overflow-y: auto;
}

.custom-select-option {
  padding: 10px 14px;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--md-motion-quick);
  border-radius: 0;
}

.custom-select-option:hover {
  background: rgba(0, 0, 0, 0.04);
}

.custom-select-option.selected {
  color: var(--md-primary);
  font-weight: 500;
  background: rgba(26, 115, 232, 0.08);
}

.complete-summary {
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  padding: 16px;
  background: var(--md-surface-container-low);
  border-radius: var(--md-radius);
  margin-bottom: 16px;
}

/* ===== Phase 5: Counter / Replace / History ===== */
.counter-modal-info {
  padding: 16px 20px;
  background: var(--md-surface-container-low);
  border-radius: var(--md-radius);
  margin-bottom: 16px;
}

.counter-part-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--md-on-surface);
}

.counter-info-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 14px;
  color: var(--md-on-surface-variant);
}

.counter-info-row strong {
  color: var(--md-on-surface);
}

.replace-warning {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(230, 81, 0, 0.06);
  border: 1px solid rgba(255, 183, 77, 0.4);
  border-radius: var(--md-radius);
  margin-bottom: 16px;
  font-size: 14px;
  color: #e65100;
}

.replace-warning .material-symbols-outlined {
  font-size: 22px;
  flex-shrink: 0;
  margin-top: 1px;
}

.btn-warning {
  background: #e65100 !important;
  border-color: #e65100 !important;
}

.btn-warning:hover {
  background: #bf360c !important;
}

.replacement-history {
  min-height: 120px;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.history-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--md-surface-container-low);
  font-weight: 500;
  font-size: 12px;
  color: var(--md-on-surface-variant);
  border-bottom: 1px solid var(--md-outline-variant);
  letter-spacing: 0.02em;
}

.history-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--md-on-surface);
}

.history-table tbody tr {
  transition: background var(--md-motion-quick);
}

.history-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.02);
}

.loading-sm {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  color: var(--md-primary);
}

.empty-state-sm {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px;
  color: var(--md-on-surface-variant);
}

.empty-state-sm .material-symbols-outlined {
  font-size: 40px;
  opacity: 0.35;
}

/* ===== Phase 6: Alarms ===== */
.alarm-summary-badges {
  display: flex;
  gap: 8px;
}

.alarm-badge {
  padding: 4px 14px;
  border-radius: var(--md-radius-xl);
  font-size: 13px;
  font-weight: 600;
}

.alarm-badge-critical {
  background: rgba(217, 48, 37, 0.08);
  color: var(--md-error);
}

.alarm-badge-warning {
  background: rgba(230, 81, 0, 0.08);
  color: #e65100;
}

.alarm-badge-ok {
  background: rgba(46, 125, 50, 0.08);
  color: #2e7d32;
}

.alarm-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alarm-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--md-radius-lg);
  background: var(--md-surface);
  box-shadow: var(--md-elevation-1);
  transition: box-shadow var(--md-motion-quick);
}

.alarm-card:hover {
  box-shadow: var(--md-elevation-2);
}

.alarm-card-warning {
  border-left: 4px solid #e65100;
}

.alarm-card-critical {
  border-left: 4px solid var(--md-error);
  background: rgba(217, 48, 37, 0.02);
}

.alarm-card-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--md-radius-full);
}

.alarm-card-warning .alarm-card-icon {
  background: rgba(230, 81, 0, 0.08);
  color: #e65100;
}

.alarm-card-critical .alarm-card-icon {
  background: rgba(217, 48, 37, 0.08);
  color: var(--md-error);
}

.alarm-card-body {
  flex: 1;
  min-width: 0;
}

.alarm-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.alarm-severity-badge {
  padding: 2px 10px;
  border-radius: var(--md-radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.severity-warning {
  background: rgba(230, 81, 0, 0.08);
  color: #e65100;
}

.severity-critical {
  background: rgba(217, 48, 37, 0.08);
  color: var(--md-error);
}

.alarm-card-time {
  font-size: 12px;
  color: var(--md-on-surface-variant);
}

.alarm-card-message {
  font-size: 14px;
  font-weight: 500;
  color: var(--md-on-surface);
  margin-bottom: 8px;
}

.alarm-card-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--md-on-surface-variant);
}

.alarm-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.alarm-card-meta .material-symbols-outlined {
  font-size: 16px;
}

.alarm-card-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.alarm-ack-info {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #2e7d32;
}

.alarm-ack-info .material-symbols-outlined {
  font-size: 18px;
}

/* ===== Spec Grid (Machine Detail) ===== */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px 24px;
  padding: 16px 20px;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.spec-item-full {
  grid-column: 1 / -1;
}

.spec-label {
  font-size: 12px;
  color: var(--md-on-surface-variant);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.spec-value {
  font-size: 14px;
  color: var(--md-on-surface);
}

.btn-icon-disabled {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--md-radius-full);
  opacity: 0.38;
  cursor: default;
}

.btn-icon-disabled .material-symbols-outlined {
  font-size: 20px;
  color: var(--md-on-surface-variant);
}

/* ===== Inspection Summary Grid ===== */
.inspection-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .topnav-center {
    display: none;
  }

  .topnav-app-name {
    display: none;
  }

  .machine-grid,
  .template-grid {
    grid-template-columns: 1fr;
  }

  .inspection-item-body {
    padding-left: 0;
  }

  .inspection-input-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header-right {
    flex-wrap: wrap;
  }

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

  .form-row {
    flex-direction: column;
  }

  .item-row {
    flex-direction: column;
  }

  .part-table {
    font-size: 12px;
  }

  .part-table th,
  .part-table td {
    padding: 10px 12px;
  }

  .spec-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .page-container {
    padding: 16px;
  }

  .detail-header {
    flex-direction: column;
    gap: 12px;
  }

  .modal-content.modal-lg {
    width: 95vw;
    max-width: none;
  }

  .part-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .history-table {
    font-size: 12px;
  }

  .alarm-card {
    padding: 12px;
  }

  .alarm-card-header {
    flex-direction: column;
    gap: 8px;
  }

  .section-header {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .inspection-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: 32px 24px;
    border-radius: 0;
    box-shadow: none;
    max-width: none;
  }

  .login-container {
    padding: 0;
    background: var(--md-surface);
  }

  .home-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

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

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

  .page-container {
    padding: 12px;
  }

  .detail-title {
    font-size: 18px;
  }

  .detail-subtitle {
    font-size: 12px;
  }

  .part-table th:nth-child(n+6),
  .part-table td:nth-child(n+6) {
    display: none;
  }

  .page-header {
    gap: 8px;
  }

  .page-header-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .page-title {
    font-size: 18px;
  }

  .btn-primary,
  .btn-outline {
    font-size: 13px;
    padding: 8px 14px;
  }

  .btn-sync {
    font-size: 13px;
    padding: 8px 12px;
  }

  .modal-content {
    margin: 8px;
    max-height: 95vh;
    border-radius: var(--md-radius-lg);
  }

  .modal-content.modal-sm {
    width: 95vw;
  }

  .topnav {
    padding: 0 12px;
  }

  .inspection-summary-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Machine Grouping ===== */
.machine-list-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.machine-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.machine-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--md-outline-variant);
}

.machine-group-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 500;
  color: var(--md-on-surface);
  margin: 0;
}

.machine-group-title .material-symbols-outlined {
  color: var(--md-primary);
  font-size: 24px;
}

.machine-count {
  font-size: 14px;
  color: var(--md-on-surface-variant);
  font-weight: 400;
}

.machine-group-chevron {
  font-size: 20px;
  color: var(--md-on-surface-variant);
  transition: transform 0.2s ease;
  transform: rotate(-90deg);
  margin-left: 4px;
}

.machine-group-chevron-open {
  transform: rotate(0deg);
}

.machine-group-header:hover {
  opacity: 0.85;
}

.machine-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.machine-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--md-radius-sm);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.machine-badge-critical {
  background: rgba(217, 48, 37, 0.1);
  color: var(--md-error);
  border: 1px solid rgba(217, 48, 37, 0.2);
}

.machine-badge-major {
  background: rgba(249, 171, 0, 0.1);
  color: #e65100;
  border: 1px solid rgba(249, 171, 0, 0.2);
}

.machine-badge-minor {
  background: var(--md-surface-container-highest);
  color: var(--md-on-surface-variant);
  border: 1px solid var(--md-outline-variant);
}

/* ===== Equipment Sync ===== */

/* Sync badge on machine cards */
.sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--md-radius-sm);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(26, 115, 232, 0.08);
  color: var(--md-primary);
  border: 1px solid rgba(26, 115, 232, 0.15);
}

.sync-badge .material-symbols-outlined {
  font-size: 14px;
}

/* Sync status section on machine detail page */
.sync-status-section {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--md-surface-container-low);
  border-radius: var(--md-radius);
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--md-on-surface-variant);
  border: 1px solid var(--md-outline-variant);
}

.sync-status-section .material-symbols-outlined {
  font-size: 20px;
  color: var(--md-primary);
}

.sync-status-label {
  font-weight: 500;
  color: var(--md-on-surface);
}

.sync-status-value {
  color: var(--md-on-surface-variant);
}

.sync-status-divider {
  width: 1px;
  height: 20px;
  background: var(--md-outline-variant);
}

/* Info tooltip for upstream-managed fields */
.field-info-tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 4px;
  cursor: help;
}

.field-info-tooltip .material-symbols-outlined {
  font-size: 16px;
  color: var(--md-on-surface-variant);
  opacity: 0.6;
}

.field-info-tooltip:hover .material-symbols-outlined {
  opacity: 1;
  color: var(--md-primary);
}

.field-info-tooltip-text {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 12px;
  background: var(--md-on-surface);
  color: var(--md-surface);
  font-size: 12px;
  border-radius: var(--md-radius-xs);
  white-space: nowrap;
  z-index: 100;
  box-shadow: var(--md-elevation-2);
}

.field-info-tooltip:hover .field-info-tooltip-text {
  display: block;
}

/* Import modal - extends .modal-content */
.import-modal {
  max-width: 640px;
}

.import-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--md-outline-variant);
}

.import-toolbar-count {
  font-size: 12px;
  color: var(--md-on-surface-variant);
  padding-right: 16px;
}

.import-list {
  display: flex;
  flex-direction: column;
  max-height: 480px;
  overflow-y: auto;
  padding: 4px 0;
}

.import-group + .import-group {
  border-top: 1px solid var(--md-outline-variant);
}

.import-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  position: sticky;
  top: 0;
  background: var(--md-surface);
  z-index: 1;
}

.import-group-checkbox {
  font-size: 22px;
  color: var(--md-primary);
  cursor: pointer;
  user-select: none;
}

.import-group-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.import-group-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--md-on-surface);
}

.import-group-count {
  font-size: 12px;
  color: var(--md-on-surface-variant);
}

.import-group-chevron {
  margin-left: auto;
  font-size: 20px;
  color: var(--md-on-surface-variant);
  transition: transform var(--md-motion-standard);
  transform: rotate(-90deg);
}

.import-group-chevron.expanded {
  transform: rotate(0deg);
}

.import-group-items {
  padding-left: 16px;
}

.import-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border-radius: var(--md-radius-sm);
  cursor: pointer;
  transition: background var(--md-motion-standard);
}

.import-item:hover {
  background: var(--md-surface-container);
}

.import-item-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--md-primary);
}

.import-item-info {
  flex: 1;
  min-width: 0;
}

.import-item-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--md-on-surface);
}

.import-item-code {
  font-size: 11px;
  color: var(--md-on-surface-variant);
}

.import-item-imported {
  opacity: 0.5;
  cursor: default;
}

.import-item-imported .import-item-checkbox {
  pointer-events: none;
}

.imported-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: var(--md-radius-xs);
  font-size: 10px;
  font-weight: 600;
  background: var(--md-surface-container-highest);
  color: var(--md-on-surface-variant);
}

/* History table */
.history-section {
  margin-top: 24px;
}

.history-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--md-on-surface);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.history-table th {
  text-align: left;
  padding: 8px 12px;
  font-weight: 600;
  color: var(--md-on-surface-variant);
  border-bottom: 2px solid var(--md-outline-variant);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.history-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--md-surface-container-high);
  color: var(--md-on-surface);
  vertical-align: top;
}

.history-table tr:hover td {
  background: var(--md-surface-container-low);
}

.history-source-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: var(--md-radius-xs);
  font-size: 10px;
  font-weight: 600;
}

.history-source-local {
  background: rgba(26, 115, 232, 0.1);
  color: var(--md-primary);
}

.history-source-sync {
  background: rgba(30, 142, 62, 0.1);
  color: var(--md-success);
}

.history-old-value {
  text-decoration: line-through;
  color: var(--md-on-surface-variant);
  opacity: 0.7;
}

.history-new-value {
  font-weight: 500;
}

/* Sync result notification banner */
.sync-result-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--md-radius);
  margin-bottom: 16px;
  animation: modal-fade-in 200ms ease-out;
}

.sync-result-banner-success {
  background: rgba(30, 142, 62, 0.08);
  border: 1px solid rgba(30, 142, 62, 0.2);
  color: var(--md-success);
}

.sync-result-banner-error {
  background: rgba(217, 48, 37, 0.08);
  border: 1px solid rgba(217, 48, 37, 0.2);
  color: var(--md-error);
}

.sync-result-banner .material-symbols-outlined {
  font-size: 20px;
}

.sync-result-banner-text {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
}

.sync-result-banner-close {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  padding: 4px;
}

.sync-result-banner-close:hover {
  opacity: 1;
}

/* Sync action buttons group */
.sync-btn-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-sync {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--md-radius-full);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface);
  color: var(--md-on-surface);
  cursor: pointer;
  transition: all var(--md-motion-standard);
}

.btn-sync:hover {
  background: var(--md-surface-container);
  border-color: var(--md-outline);
}

.btn-sync:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sync .material-symbols-outlined {
  font-size: 18px;
}

.btn-sync-primary {
  background: var(--md-primary);
  color: var(--md-on-primary);
  border-color: var(--md-primary);
}

.btn-sync-primary:hover {
  background: var(--md-primary-dark);
  border-color: var(--md-primary-dark);
}

/* Sync spinner */
@keyframes sync-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.sync-spinning .material-symbols-outlined {
  animation: sync-spin 1s linear infinite;
}

/* Select all / deselect all in import modal */
.import-select-all {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--md-primary);
  font-weight: 500;
  cursor: pointer;
}

.import-summary {
  padding: 8px 16px;
  font-size: 12px;
  color: var(--md-on-surface-variant);
  border-top: 1px solid var(--md-outline-variant);
}

/* Load more button for history */
.history-load-more {
  display: flex;
  justify-content: center;
  padding: 12px;
}

.history-load-more button {
  padding: 8px 24px;
  border-radius: var(--md-radius-full);
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface);
  color: var(--md-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--md-motion-standard);
}

.history-load-more button:hover {
  background: var(--md-surface-container);
}

/* Empty state for history */
.history-empty {
  text-align: center;
  padding: 32px;
  color: var(--md-on-surface-variant);
  font-size: 14px;
}

.history-empty .material-symbols-outlined {
  font-size: 40px;
  opacity: 0.4;
  margin-bottom: 8px;
  display: block;
}