/* Property Select CSS - Material UI Design System 公式準拠 */

/* CSS読み込み完了フラグ（アプリ起動条件） */
:root {
  --meter-reading-styles-loaded: "true";
}

/* Material UI デザイントークン（公式カラーパレット・タイポグラフィ） */
:root {
  /* Primary Colors (Blue) */
  --mui-palette-primary-main: #1976d2;
  --mui-palette-primary-dark: #1565c0;
  --mui-palette-primary-light: #42a5f5;
  --mui-palette-primary-50: #e3f2fd;
  --mui-palette-primary-100: #bbdefb;
  
  /* Grey Palette */
  --mui-palette-grey-50: #fafafa;
  --mui-palette-grey-100: #f5f5f5;
  --mui-palette-grey-200: #eeeeee;
  --mui-palette-grey-300: #e0e0e0;
  --mui-palette-grey-400: #bdbdbd;
  --mui-palette-grey-500: #9e9e9e;
  --mui-palette-grey-600: #757575;
  --mui-palette-grey-700: #616161;
  --mui-palette-grey-800: #424242;
  --mui-palette-grey-900: #212121;
  
  /* Success Colors */
  --mui-palette-success-main: #2e7d32;
  --mui-palette-success-light: #4caf50;
  --mui-palette-success-50: #e8f5e8;
  
  /* Error Colors */
  --mui-palette-error-main: #d32f2f;
  --mui-palette-error-light: #f44336;
  --mui-palette-error-50: #ffebee;
  
  /* Material UI Shadows (公式elevation) */
  --mui-shadows-1: 0px 2px 1px -1px rgba(0,0,0,0.2), 0px 1px 1px 0px rgba(0,0,0,0.14), 0px 1px 3px 0px rgba(0,0,0,0.12);
  --mui-shadows-2: 0px 3px 1px -2px rgba(0,0,0,0.2), 0px 2px 2px 0px rgba(0,0,0,0.14), 0px 1px 5px 0px rgba(0,0,0,0.12);
  --mui-shadows-4: 0px 2px 4px -1px rgba(0,0,0,0.2), 0px 4px 5px 0px rgba(0,0,0,0.14), 0px 1px 10px 0px rgba(0,0,0,0.12);
  --mui-shadows-8: 0px 5px 5px -3px rgba(0,0,0,0.2), 0px 8px 10px 1px rgba(0,0,0,0.14), 0px 3px 14px 2px rgba(0,0,0,0.12);
  
  /* Typography Scale (公式) */
  --mui-typography-h4-size: 2.125rem;
  --mui-typography-h5-size: 1.5rem;
  --mui-typography-h6-size: 1.25rem;
  --mui-typography-body1-size: 1rem;
  --mui-typography-body2-size: 0.875rem;
  --mui-typography-caption-size: 0.75rem;
  
  /* Spacing Scale (8px base grid) */
  --mui-spacing-1: 8px;
  --mui-spacing-2: 16px;
  --mui-spacing-3: 24px;
  --mui-spacing-4: 32px;
  --mui-spacing-5: 40px;
  
  /* Border Radius */
  --mui-shape-borderRadius: 4px;
  --mui-shape-borderRadius-lg: 8px;
  --mui-shape-borderRadius-xl: 12px;
  --mui-shape-borderRadius-xxl: 16px;
}

/* Base Reset (Material UI準拠) */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Roboto", "Helvetica", "Arial", sans-serif;
  font-size: var(--mui-typography-body1-size);
  line-height: 1.5;
  letter-spacing: 0.00938em;
  color: var(--mui-palette-grey-900);
  background: linear-gradient(135deg, var(--mui-palette-grey-50) 0%, #e1e8ed 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Material UI AppBar (公式準拠) */
.MuiAppBar-root {
  position: sticky;
  top: 0;
  background: linear-gradient(135deg, var(--mui-palette-primary-main) 0%, var(--mui-palette-primary-dark) 100%);
  color: #ffffff;
  box-shadow: var(--mui-shadows-4);
  z-index: 1100;
  border-radius: 0 0 var(--mui-shape-borderRadius-xxl) var(--mui-shape-borderRadius-xxl);
}

.MuiToolbar-root {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: 0 var(--mui-spacing-2);
  position: relative;
}

/* === Header back button positioning（部屋選択画面と統一）=== */
.app-header .MuiIconButton-root,
.app-header [role="button"] {
  position: absolute !important;
  left: 8px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  z-index: 15 !important;
}

.app-header .app-title {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  text-align: center;
  margin: 0 auto;
  pointer-events: none;
  z-index: 5;
}

.app-title {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.0075em;
  color: #fff;
  text-align: center;
  margin: 0 auto;
  pointer-events: none;
}

@media (max-width: 600px) {
  .app-title {
    font-size: 1.25rem;
  }
}
@media (max-width: 480px) {
  .app-title {
    font-size: 1.3rem;
  }
}
@media (min-width: 600px) {
  .app-title {
    font-size: 1.5rem;
  }
}

/* Material UI Container (公式準拠) */
.MuiContainer-root {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--mui-spacing-4) var(--mui-spacing-2);
}

/* Material UI TextField (公式準拠) */
.MuiTextField-root {
  margin-bottom: var(--mui-spacing-3);
  width: 100%;
}

.MuiTextField-root input {
  width: 100%;
  padding: 18px 20px;
  border: 2px solid var(--mui-palette-grey-300);
  border-radius: var(--mui-shape-borderRadius-xxl);
  font-size: var(--mui-typography-body1-size);
  font-family: "Roboto", sans-serif;
  background: linear-gradient(145deg, #ffffff 0%, var(--mui-palette-grey-50) 100%);
  color: var(--mui-palette-grey-900);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--mui-shadows-1);
}

.MuiTextField-root input:focus {
  outline: none;
  border-color: var(--mui-palette-primary-main);
  box-shadow: 0 0 0 4px rgba(25, 118, 210, 0.12), var(--mui-shadows-2);
  background: #ffffff;
  transform: translateY(-1px);
}

.MuiTextField-root input::placeholder {
  color: var(--mui-palette-grey-500);
  opacity: 1;
}

/* Material UI Card (公式準拠) */
.MuiCard-root {
  background: linear-gradient(145deg, #ffffff 0%, var(--mui-palette-grey-50) 100%);
  border-radius: var(--mui-shape-borderRadius-xxl);
  box-shadow: var(--mui-shadows-1);
  border: 1px solid rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--mui-spacing-2);
}

.MuiCard-root::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(145deg, rgba(25, 118, 210, 0.04) 0%, rgba(25, 118, 210, 0.01) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: var(--mui-shape-borderRadius-xxl);
  pointer-events: none;
}

.MuiCard-root:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--mui-shadows-8);
  border-color: rgba(25, 118, 210, 0.3);
}

.MuiCard-root:hover::before {
  opacity: 1;
}

.MuiCard-root:active {
  transform: translateY(-2px) scale(1.01);
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.MuiCard-disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: var(--mui-shadows-1) !important;
}

.MuiCardContent-root {
  padding: 20px;
  position: relative;
  z-index: 1;
}

/* Material UI Chip (公式準拠) */
.MuiChip-root {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "Roboto", sans-serif;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Material UI Typography (公式準拠) */
.MuiTypography-root {
  font-family: "Roboto", "Helvetica", "Arial", sans-serif;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.00938em;
  margin: 0;
}

/* Material UI Loading States (公式準拠) */
.loading-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: var(--mui-spacing-2);
  background-color: rgba(255, 255, 255, 0.95);
  z-index: 9999;
}

.MuiCircularProgress-root {
  width: 40px;
  height: 40px;
  border: 4px solid var(--mui-palette-grey-200);
  border-top-color: var(--mui-palette-primary-main);
  border-radius: 50%;
  animation: mui-circular-rotate 1.4s linear infinite;
}

@keyframes mui-circular-rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Material UI Alert (公式準拠) */
.MuiAlert-root {
  display: flex;
  flex-direction: column;
  padding: var(--mui-spacing-2);
  border-radius: var(--mui-shape-borderRadius-xxl);
  background: linear-gradient(135deg, var(--mui-palette-error-50) 0%, #fed7d7 100%);
  border: 1px solid #fecaca;
  color: var(--mui-palette-error-main);
  box-shadow: 0 4px 12px rgba(211, 47, 47, 0.1);
}

/* Material UI Backdrop (ユーザーディスプレイ中央表示準拠) */
.MuiBackdrop-root {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background-color: rgba(255, 255, 255, 0.95) !important;
  z-index: 9999 !important;
  backdrop-filter: blur(4px);
  /* GPU加速とユーザーディスプレイ中央配置を保証 */
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  /* スクロール位置の影響を受けないように */
  margin: 0 !important;
  padding: 0 !important;
}

.MuiPaper-root {
  background-color: #ffffff;
  border-radius: var(--mui-shape-borderRadius-xxl);
  box-shadow: var(--mui-shadows-8);
}

/* Fade-in Animation for Cards (Material UI準拠) */
@keyframes mui-fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.MuiCard-root {
  animation: mui-fade-in-up 0.6s ease-out;
}

.MuiCard-root:nth-child(1) { animation-delay: 0.1s; }
.MuiCard-root:nth-child(2) { animation-delay: 0.2s; }
.MuiCard-root:nth-child(3) { animation-delay: 0.3s; }
.MuiCard-root:nth-child(4) { animation-delay: 0.4s; }
.MuiCard-root:nth-child(5) { animation-delay: 0.5s; }

/* Arrow Icon Hover Effect (Material UI準拠) */
.MuiCard-root:hover svg {
  transform: translateX(4px);
  color: var(--mui-palette-primary-dark);
}

/* Loading States Management */
.styles-loading {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.styles-loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design (Material UI Breakpoints準拠) */
@media (max-width: 600px) {
  .MuiContainer-root {
    padding: var(--mui-spacing-2) var(--mui-spacing-1);
  }
  
  .MuiToolbar-root {
    min-height: 64px;
    padding: 0 var(--mui-spacing-1);
  }
  
  .app-title {
    font-size: 1.25rem;
  }
  
  .MuiCardContent-root {
    padding: var(--mui-spacing-2);
  }
  
  .MuiTextField-root input {
    padding: 16px 18px;
    font-size: var(--mui-typography-body1-size);
  }
}

@media (max-width: 480px) {
  .MuiCard-root {
    border-radius: 14px;
  }
  
  .MuiCardContent-root {
    padding: var(--mui-spacing-1);
  }
  
  .app-title {
    font-size: 1.3rem;
  }
}

/* High Contrast & Accessibility (Material UI準拠) */
@media (prefers-contrast: high) {
  .MuiCard-root {
    border: 2px solid var(--mui-palette-grey-400);
  }
  
  .MuiTextField-root input {
    border-width: 3px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Accessibility (Material UI準拠) */
.MuiCard-root:focus-visible {
  outline: 3px solid var(--mui-palette-primary-main);
  outline-offset: 2px;
}

.MuiTextField-root input:focus-visible {
  outline: 3px solid var(--mui-palette-primary-main);
  outline-offset: 2px;
}