:root {
  --color-primary: #64b5f6;
  --color-primary-hover: #4fc3f7;
  --color-primary-light: #f3f9fe;
  --color-primary-muted: #cfebfd;

  --color-success: #43a047;
  --color-success-light: #f1f8f1;
  --color-success-text: #2e7d32;
  --color-success-solid: #66bb6a;
  --color-success-solid-hover: #57a85b;
  --color-danger: #ef5350;
  --color-danger-light: #fff5f6;
  --color-danger-text: #d32f2f;
  --color-warning: #ffa726;
  --color-warning-light: #fff8ef;
  --color-warning-text: #ef6c00;

  --color-bg: #f8fbff;
  --color-surface: #ffffff;
  --color-text: #1565c0;
  --color-text-muted: #4a7aa8;

  --color-btn-category: #eaf5fe;
  --color-btn-category-hover: #d4ecfe;
  --color-btn-add: #81d4fa;
  --color-btn-border-secondary: #e3edf8;

  --color-btn-trash: #ffe8ea;
  --color-btn-trash-hover: #ffd0d5;
  --color-btn-trash-text: #c62828;
  --color-btn-trash-border: #ffb3ba;

  --color-btn-complete: #dcedc8;
  --color-btn-complete-hover: #c5e1a5;
  --color-btn-complete-text: #2e7d32;
  --color-btn-complete-border: #a5d6a7;

  --color-btn-list: #fff0df;
  --color-btn-list-hover: #ffe0b2;
  --color-btn-list-text: #e65100;
  --color-btn-list-border: #ffcc80;

  --color-footer-bg: #f5faff;
  --color-footer-border: #d8ebfa;
  --color-footer-nav-bg: #fafbfd;
  --color-footer-nav-border: #e8f0f8;
  --color-footer-nav-hover: #f5f9fd;
  --color-footer-trash-bg: #ffe8ea;
  --color-footer-trash-text: #c62828;
  --color-footer-trash-border: #ffb3ba;
  --color-footer-trash-hover: #ffd0d5;

  --color-date-nav-bg: #f7f9fc;
  --color-date-nav-hover: rgba(100, 181, 246, 0.12);

  --color-category-soumu-bg: #d8f2ed;
  --color-category-soumu-hover: #c8ebe3;
  --color-category-soumu-border: #9fd9d2;
  --color-category-soumu-text: #00695c;
  --color-category-soumu-text-hover: #00796b;
  --color-category-president-bg: #f7f2fb;
  --color-category-president-hover: #ede7f6;
  --color-category-president-border: #ddb8e8;
  --color-category-president-text: #6a1b9a;
  --color-category-president-text-hover: #7b1fa2;

  --gap-sm: 8px;
  --gap-md: 16px;
  --gap-lg: 24px;

  --touch-target-min: 48px;
  --breakpoint-tablet: 768px;

  --btn-icon-size-sm: 1.375rem;
  --btn-icon-size-md: 1.625rem;
  --btn-icon-size-lg: 2rem;
  --btn-icon-size-xl: 2.75rem;
  --btn-label-sm: 0.8125rem;
  --btn-label-md: 1rem;
  --btn-label-lg: 1rem;
  --btn-label-fluid: clamp(0.8125rem, 0.45rem + 2.5vw, 1rem);
  --btn-label-fluid-tight: clamp(0.75rem, 0.35rem + 2.6vw, 0.9375rem);
  --btn-icon-fluid-lg: clamp(1.5rem, 1rem + 2.8vw, 2rem);
  --btn-icon-fluid-md: clamp(1.25rem, 0.875rem + 2.2vw, 1.625rem);
  --btn-icon-fluid-sm: clamp(1.125rem, 0.75rem + 2vw, 1.375rem);
  --date-label-fluid: clamp(0.8125rem, 0.4rem + 2.4vw, 1.0625rem);

  --app-title-icon-size: 2.75rem;
  --app-title-label-size: 1.125rem;
  --app-title-icon-size-mobile: 2.25rem;
  --app-title-label-size-mobile: 1rem;

  --header-height: 56px;
  --panel-width: 320px;
  --category-scroll-threshold: 4;
  --category-scroll-rows: 4;
  --category-btn-columns: 4;
  --category-btn-width: calc(
    (100% - (var(--category-btn-columns) - 1) * var(--gap-sm)) / var(--category-btn-columns)
  );
  --radius: 12px;
  --shadow: 0 4px 16px rgba(21, 101, 192, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  font-family: "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background: var(--color-bg);
  color: var(--color-text);
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

button {
  font: inherit;
  cursor: pointer;
}

.app-header {
  flex-shrink: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--gap-sm);
  min-height: var(--header-height);
  padding: var(--gap-sm) var(--gap-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-primary-light);
  box-shadow: var(--shadow);
}

.app-title {
  grid-column: 1;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  max-width: 100%;
  margin: 0;
  font-size: var(--app-title-label-size);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

.app-title__icon {
  flex-shrink: 0;
  width: var(--app-title-icon-size);
  height: var(--app-title-icon-size);
  padding: 3px;
  border-radius: 8px;
  box-sizing: border-box;
  background: var(--color-primary-light);
  color: var(--color-primary);
  overflow: visible;
}

.app-title__label {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--app-title-label-size);
  font-weight: 700;
}

.header-date-nav {
  grid-column: 2;
  justify-self: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-date-nav[hidden] {
  display: none !important;
}

.app-header__actions {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
}

.upload-status {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text);
  text-align: right;
}

.btn-header-capture {
  flex-shrink: 0;
  justify-content: center;
  align-items: center;
  min-width: var(--touch-target-min);
  width: var(--touch-target-min);
  padding: 0;
  gap: 0;
}

.btn-header-capture .btn__icon {
  width: var(--btn-icon-size-lg);
  height: var(--btn-icon-size-lg);
}

.screen[hidden] {
  display: none !important;
}

.screen {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.app-layout {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--gap-sm);
  min-height: 0;
  height: 100%;
  overflow: hidden;
  padding: var(--gap-sm);
}

.viewer-section {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.sorting-viewer-wrap {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  gap: 0;
}

.sorting-viewer-main {
  position: relative;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
}

.sorting-viewer-wrap .viewer-container {
  flex: 1 1 auto;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.sorting-footer {
  flex-shrink: 0;
  padding: 10px 14px 12px;
  background: var(--color-footer-bg);
  border: 2px solid var(--color-footer-border);
  border-top: none;
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
}

.sorting-footer__slider-row {
  margin-bottom: 10px;
  padding: 4px 0;
}

.sorting-image-slider {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 8px;
  margin: 0;
  border-radius: 999px;
  background: linear-gradient(to right, var(--color-btn-trash) 0%, var(--color-btn-trash-hover) 100%);
  outline: none;
  cursor: pointer;
}

.sorting-image-slider:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.sorting-image-slider::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--color-btn-trash) 0%, var(--color-btn-trash-hover) 100%);
}

.sorting-image-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin-top: -5px;
  border: none;
  border-radius: 50%;
  background: #ff8a80;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.85);
  cursor: pointer;
}

.sorting-image-slider::-moz-range-track {
  height: 8px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(to right, var(--color-btn-trash) 0%, var(--color-btn-trash-hover) 100%);
}

.sorting-image-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: #ff8a80;
  cursor: pointer;
}

.sorting-footer__controls {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 4fr) minmax(0, 2fr);
  align-items: stretch;
  gap: 8px;
  width: 100%;
}

.sorting-footer__nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: var(--touch-target-min);
  height: auto;
  padding: 0 12px;
  border: 2px solid var(--color-footer-nav-border);
  border-radius: 10px;
  background: var(--color-footer-nav-bg);
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.1;
  box-sizing: border-box;
}

.sorting-footer__nav-btn .btn__icon {
  width: var(--btn-icon-size-md);
  height: var(--btn-icon-size-md);
  flex-shrink: 0;
}

.sorting-footer__nav-btn .btn__label {
  font-size: var(--btn-label-lg);
  font-weight: 700;
}

.sorting-footer__nav-btn:hover:not(:disabled) {
  background: var(--color-footer-nav-hover);
  border-color: var(--color-primary-muted);
}

.sorting-footer__nav-btn:disabled {
  background: #fbfcfe;
  border-color: #eef3f8;
  color: var(--color-text-muted);
  opacity: 0.55;
  cursor: not-allowed;
}

.sorting-footer__trash-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: var(--touch-target-min);
  height: auto;
  padding: 0 14px;
  border: 2px solid var(--color-footer-trash-border);
  border-radius: 10px;
  background: var(--color-footer-trash-bg);
  color: var(--color-footer-trash-text);
  font-weight: 700;
  box-sizing: border-box;
}

.sorting-footer__trash-btn .btn__icon {
  width: var(--btn-icon-size-lg);
  height: var(--btn-icon-size-lg);
  flex-shrink: 0;
}

.sorting-footer__trash-btn .btn__label {
  font-size: var(--btn-label-lg);
  font-weight: 700;
  line-height: 1.1;
}

.sorting-footer__trash-btn:hover:not(:disabled) {
  background: var(--color-footer-trash-hover);
  border-color: var(--color-btn-trash-border);
}

.sorting-footer__trash-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.sorting-page-toast {
  position: absolute;
  left: 50%;
  bottom: 14px;
  z-index: 20;
  transform: translateX(-50%);
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(243, 249, 254, 0.96);
  color: var(--color-text);
  border: 2px solid var(--color-primary-muted);
  box-shadow: var(--shadow);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.sorting-page-toast.is-visible {
  opacity: 1;
  visibility: visible;
}

.btn-image-side-toggle {
  position: absolute;
  right: 12px;
  bottom: 14px;
  z-index: 21;
  min-width: 64px;
  min-height: var(--touch-target-min);
  padding: 0 12px;
  border: 2px solid var(--color-primary-muted);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.btn-image-side-toggle:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.btn-image-side-toggle:disabled {
  background: #fbfcfe;
  border-color: #eef3f8;
  color: var(--color-text-muted);
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-image-side-toggle[hidden] {
  display: none !important;
}

.sorting-list-modal__dialog {
  width: min(100%, 480px);
  height: 80vh;
  min-height: 80vh;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.sorting-list-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-md);
  flex-shrink: 0;
}

.sorting-list-modal__title {
  margin: 0;
  min-width: 0;
}

.sorting-list-modal__select-all {
  flex-shrink: 0;
  min-height: var(--touch-target-min);
  padding: 0 var(--gap-md);
  font-size: var(--btn-label-lg);
  font-weight: 700;
  white-space: nowrap;
}

.sorting-list-modal__actions {
  gap: var(--gap-md);
  flex-shrink: 0;
}

.image-list__select-btn--static {
  cursor: default;
  pointer-events: none;
}

.image-list {
  list-style: none;
  margin: 0 0 var(--gap-md);
  padding: 0;
  overflow-y: auto;
  max-height: min(50vh, 420px);
}

.image-list--grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap-sm);
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  align-content: start;
}

.image-list__item {
  margin: 0;
}

.image-list__tile {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background: #000;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.image-list__tile.is-current {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.image-list__tile.is-trash {
  opacity: 0.42;
  filter: grayscale(0.9);
}

.image-list__category-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 1;
  max-width: calc(100% - 40px);
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-primary-light);
  color: var(--color-text);
  border: 1px solid var(--color-primary-muted);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  pointer-events: none;
}

.image-list__checkbox--locked {
  cursor: not-allowed;
}

.image-list__select-btn {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: none;
  background: #000;
  cursor: pointer;
}

.image-list__select-btn:hover:not(:disabled) {
  opacity: 0.92;
}

.image-list__select-btn:disabled {
  cursor: default;
}

.image-list__thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}

.image-list__checkbox {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  width: 22px;
  height: 22px;
  margin: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.image-list__loading {
  grid-column: 1 / -1;
  margin: 0;
  padding: var(--gap-lg);
  text-align: center;
  color: var(--color-text-muted);
}

.image-list__button {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  width: 100%;
  min-height: 44px;
  padding: var(--gap-sm) var(--gap-md);
  border: none;
  border-bottom: 1px solid var(--color-primary-light);
  background: var(--color-surface);
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
}

.image-list__button:hover {
  background: var(--color-primary-light);
}

.image-list__button.is-current {
  background: var(--color-primary-light);
  font-weight: 700;
}

.image-list__index {
  flex-shrink: 0;
  min-width: 2.5rem;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.image-list__name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-container {
  position: relative;
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  background: var(--color-surface);
  border: 2px solid var(--color-primary-muted);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.camera-video {
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
  background: #000;
}

.viewer-placeholder {
  margin: 0;
  padding: var(--gap-lg);
  text-align: center;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.sorting-image {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #000;
  opacity: 1;
  transform: none;
}

.sorting-image[hidden],
.viewer-section .viewer-placeholder[hidden] {
  display: none !important;
}

.sorting-image.anim-exit {
  animation: sorting-image-exit 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.sorting-image.anim-enter {
  animation: sorting-image-enter 0.3s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes sorting-image-exit {
  from {
    transform: translateX(0) scale(1);
    opacity: 1;
  }

  to {
    transform: translateX(55%) scale(0.94);
    opacity: 0;
  }
}

@keyframes sorting-image-enter {
  from {
    transform: translateX(-35%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.viewer-container.is-sorting-animating {
  pointer-events: none;
}

.sorting-viewer {
  touch-action: none;
  overflow: hidden;
}

.sorting-viewer.is-swiping {
  cursor: grab;
}

.sorting-viewer.is-swiping.is-panning,
.sorting-viewer.is-panning {
  cursor: grabbing;
}

.sorting-viewer .sorting-image-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  transform-origin: center center;
  will-change: transform;
}

.sorting-image-track {
  display: flex;
  flex-direction: row;
  width: 300%;
  height: 100%;
  will-change: transform;
}

.sorting-image-slide {
  display: flex;
  flex: 0 0 33.333333%;
  align-items: center;
  justify-content: center;
  width: 33.333333%;
  height: 100%;
  min-width: 0;
  background: #000;
}

.sorting-viewer.is-zoomed .sorting-image-slide--adjacent {
  visibility: hidden;
}

.sorting-viewer .viewer-placeholder {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.sorting-viewer.is-zoomed {
  cursor: grab;
}

.sorting-viewer.is-panning {
  cursor: grabbing;
}

.panel-header .btn-undo-sorting,
.panel-header .btn-edit-categories,
.panel-header .btn-add-category {
  min-height: var(--touch-target-min);
  padding: 8px 14px;
  gap: 6px;
  font-weight: 700;
  border-radius: var(--radius);
}

.panel-header .btn-undo-sorting {
  flex: 0 0 auto;
  min-width: 64px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-btn-border-secondary);
}

.panel-header .btn-undo-sorting:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary-muted);
}

.panel-header .btn-edit-categories {
  flex: 0 0 auto;
  width: auto;
  background: var(--color-primary-light);
  color: var(--color-text);
  border: none;
}

.panel-header .btn-edit-categories:hover:not(:disabled) {
  background: var(--color-btn-category-hover);
}

.panel-header .btn-edit-categories[aria-pressed="true"] {
  background: var(--color-primary);
  color: #fff;
  border: none;
}

.panel-header__edit-actions {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  flex-shrink: 0;
  margin-left: auto;
}

.panel-header .btn-add-category {
  flex: 0 0 auto;
  width: auto;
  min-width: 0;
  font-size: var(--btn-label-md);
  font-weight: 700;
  white-space: nowrap;
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-btn-border-secondary);
}

.panel-header .btn-add-category:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary-muted);
}

.panel-header .btn-add-category[hidden] {
  display: none !important;
}

.panel-header .btn-edit-categories .btn__label {
  white-space: nowrap;
}

.panel-header .btn-undo-sorting .btn__icon,
.panel-header .btn-edit-categories .btn__icon {
  width: 1.25rem;
  height: 1.25rem;
  overflow: visible;
}

.panel-header .btn-undo-sorting .btn__label,
.panel-header .btn-edit-categories .btn__label {
  font-size: var(--btn-label-md);
  font-weight: 700;
}

.btn-undo-sorting .btn__label {
  white-space: nowrap;
}

.btn-undo-sorting {
  white-space: nowrap;
}

.btn-undo-sorting:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.toast-bottom--info {
  background: var(--color-primary-light);
  color: var(--color-text);
  border: 2px solid var(--color-primary-muted);
}

.sorting-action-row {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--gap-md);
  flex-shrink: 0;
  margin-top: auto;
  width: 100%;
  box-sizing: border-box;
}

.sorting-action-row > .btn {
  width: auto;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  line-height: 1.1;
}

.sorting-action-row > .btn-trash-contents,
.sorting-action-row > .btn-action-list {
  flex: 1 1 0;
  min-height: auto;
  min-width: 56px;
  padding: 4px 6px;
  background: transparent;
  color: var(--color-text);
  border: none;
  border-radius: var(--radius);
}

.sorting-action-row > .btn-complete-sorting {
  flex: 1.6 1 auto;
  min-height: 64px;
  min-width: 0;
  padding: 10px 24px;
  gap: 6px;
  border: none;
  border-radius: 999px;
  background: var(--color-success-solid);
  color: #fff;
  box-shadow: var(--shadow);
}

.sorting-action-row > .btn-trash-contents .btn__icon,
.sorting-action-row > .btn-action-list .btn__icon {
  width: var(--btn-icon-size-lg);
  height: var(--btn-icon-size-lg);
}

.sorting-action-row > .btn-trash-contents .btn__icon {
  width: clamp(2rem, 1.25rem + 4vw, 2.375rem);
  height: clamp(2rem, 1.25rem + 4vw, 2.375rem);
}

.sorting-action-row > .btn-complete-sorting .btn__icon {
  width: var(--btn-icon-size-lg);
  height: var(--btn-icon-size-lg);
}

.sorting-action-row > .btn-trash-contents .btn__label,
.sorting-action-row > .btn-action-list .btn__label,
.sorting-action-row > .btn-complete-sorting .btn__label {
  font-size: var(--btn-label-md);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.sorting-action-row > .btn-trash-contents:hover:not(:disabled),
.sorting-action-row > .btn-action-list:hover:not(:disabled) {
  background: var(--color-primary-light);
}

.sorting-action-row > .btn-complete-sorting:hover:not(:disabled) {
  background: var(--color-success-solid-hover);
}

.sorting-action-row > .btn-complete-sorting:active:not(:disabled) {
  background: var(--color-success-solid-hover);
}

.btn-action-sub {
  min-height: var(--touch-target-min);
  padding: 0 8px;
  gap: 8px;
  font-weight: 700;
  line-height: 1.1;
  border: 2px solid transparent;
}

.processing-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 244, 253, 0.72);
}

.processing-overlay[hidden] {
  display: none !important;
}

.processing-overlay__dialog {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap-md);
  padding: var(--gap-lg);
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.processing-overlay__text {
  margin: 0;
  font-weight: 600;
  color: var(--color-text);
}

.processing-overlay__spinner {
  width: 40px;
  height: 40px;
}

.complete-screen {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--gap-lg);
  padding: var(--gap-lg);
  text-align: center;
}

.complete-screen__message {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
}

.btn-complete-next {
  min-width: 160px;
  font-weight: 700;
}

@media (max-width: 767px) {
  @keyframes sorting-image-exit {
    from {
      transform: translateY(0) scale(1);
      opacity: 1;
    }

    to {
      transform: translateY(45%) scale(0.95);
      opacity: 0;
    }
  }

  @keyframes sorting-image-enter {
    from {
      transform: translateY(-35%);
      opacity: 0;
    }

    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
}

.category-buttons:not(.category-buttons--edit) {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: var(--gap-sm);
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.category-buttons:not(.category-buttons--edit).category-buttons--scrollable {
  scrollbar-width: thin;
}

.category-buttons:not(.category-buttons--edit).category-buttons--scrollable::-webkit-scrollbar {
  height: 6px;
}

.category-buttons:not(.category-buttons--edit).category-buttons--scrollable::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(21, 101, 192, 0.35);
}

.category-buttons--edit {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: var(--gap-sm);
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.category-buttons--edit::-webkit-scrollbar {
  height: 6px;
}

.category-buttons--edit::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(21, 101, 192, 0.35);
}

.category-buttons--scrollable.category-buttons--edit {
  overflow-x: auto;
  overflow-y: hidden;
}

.category-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--gap-sm);
  grid-column: 1 / -1;
  width: 100%;
  min-height: 96px;
  color: var(--color-text-muted);
}

.category-loading__text {
  margin: 0;
  font-size: 1rem;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-primary-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.btn-category {
  flex: 1;
  min-width: 0;
  font-weight: 700;
}

.category-buttons:not(.category-buttons--edit) .btn-category {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px 8px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  line-height: 1.2;
  text-align: center;
  border-radius: var(--radius);
}

.category-buttons:not(.category-buttons--edit) .btn-category .btn__icon {
  width: var(--btn-icon-size-xl);
  height: var(--btn-icon-size-xl);
  flex-shrink: 0;
}

.category-buttons:not(.category-buttons--edit) .btn-category .btn__label {
  flex: 0 0 auto;
  min-width: 0;
  max-width: 100%;
  font-size: var(--btn-label-lg);
  font-weight: 700;
  text-align: center;
  word-break: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.category-buttons--edit .btn-category {
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  gap: 4px;
  min-height: 40px;
  padding: 4px 8px;
  font-weight: 700;
}

.category-buttons--edit .btn-category .btn__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.category-buttons--edit .btn-category .btn__label {
  font-size: var(--btn-label-md);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.category-buttons--edit .category-item {
  flex: 0 0 auto;
  min-width: 0;
  max-width: min(100%, 168px);
}

.category-buttons--edit .btn-category-delete {
  flex: 0 0 var(--touch-target-min);
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  padding: 0 4px;
  font-size: var(--btn-label-md);
}

.category-item {
  display: flex;
  gap: var(--gap-sm);
  min-width: 0;
}

.btn-category-delete {
  flex: 0 0 var(--touch-target-min);
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  padding: 0 4px;
  font-size: var(--btn-label-md);
  font-weight: 700;
  line-height: 1.1;
  background: var(--color-surface);
  color: var(--color-danger);
  border: 2px solid var(--color-btn-trash);
}

.btn-category-delete:hover:not(:disabled) {
  background: var(--color-btn-trash);
}

.btn-danger {
  background: var(--color-danger-light);
  color: var(--color-btn-trash-text);
  border: 2px solid var(--color-btn-trash-border);
}

.btn-danger:hover:not(:disabled) {
  background: var(--color-btn-trash-hover);
  border-color: var(--color-danger);
}

.modal__message {
  margin: 0 0 var(--gap-sm);
  line-height: 1.6;
}

.btn-add-category {
  min-height: var(--touch-target-min);
  font-size: var(--btn-label-md);
  font-weight: 700;
}

.category-buttons:not(.category-buttons--edit) .btn-category-delete {
  display: none;
}

.category-buttons:not(.category-buttons--edit) .category-item {
  flex: 0 0 var(--category-btn-width);
  width: var(--category-btn-width);
  min-width: var(--category-btn-width);
  max-width: var(--category-btn-width);
  aspect-ratio: 1 / 1;
  height: auto;
  flex-shrink: 0;
}

.modal[hidden] {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gap-md);
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(21, 101, 192, 0.35);
}

.modal__dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 400px);
  padding: var(--gap-lg);
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.modal__title {
  margin: 0 0 var(--gap-md);
  font-size: 1.1rem;
}

.modal__label {
  display: block;
  margin-bottom: var(--gap-sm);
  font-size: 1rem;
  color: var(--color-text-muted);
}

.modal__input {
  width: 100%;
  min-height: var(--touch-target-min);
  padding: var(--gap-sm) var(--gap-md);
  border: 2px solid var(--color-primary-muted);
  border-radius: var(--radius);
  font: inherit;
  color: var(--color-text);
}

.modal__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--gap-sm);
  margin-top: var(--gap-lg);
}

.modal__actions.sorting-list-modal__actions {
  justify-content: center;
  width: 100%;
  margin-top: auto;
}

.modal__actions.sorting-list-modal__actions.has-selection {
  justify-content: stretch;
}

.modal__actions.sorting-list-modal__actions > .btn[hidden] {
  display: none !important;
}

#image-list-modal-actions:not(.has-selection) #image-list-selection-cancel,
#image-list-modal-actions:not(.has-selection) #image-list-selection-trash,
#trash-contents-modal-actions:not(.has-selection) #trash-contents-selection-cancel,
#trash-contents-modal-actions:not(.has-selection) #trash-contents-selection-restore {
  display: none !important;
}

#image-list-modal-actions.has-selection #image-list-modal-close,
#trash-contents-modal-actions.has-selection #trash-contents-modal-close {
  display: none !important;
}

#image-list-modal-actions .sorting-list-modal__trash-btn,
#trash-contents-modal-actions .sorting-list-modal__restore-btn {
  gap: 8px;
}

#image-list-modal-actions .sorting-list-modal__trash-btn .btn__icon,
#trash-contents-modal-actions .sorting-list-modal__restore-btn .btn__icon {
  width: var(--btn-icon-size-md);
  height: var(--btn-icon-size-md);
}

#image-list-modal-actions .sorting-list-modal__trash-btn .btn__label,
#trash-contents-modal-actions .sorting-list-modal__restore-btn .btn__label {
  font-size: var(--btn-label-md);
  font-weight: 700;
}

#image-list-modal-actions .sorting-list-modal__close-btn,
#image-list-modal-actions .sorting-list-modal__cancel-btn,
#image-list-modal-actions .sorting-list-modal__trash-btn,
#trash-contents-modal-actions .sorting-list-modal__close-btn,
#trash-contents-modal-actions .sorting-list-modal__cancel-btn,
#trash-contents-modal-actions .sorting-list-modal__restore-btn {
  box-sizing: border-box;
  min-width: 0;
  min-height: var(--touch-target-min);
  white-space: nowrap;
}


#image-list-modal-actions:not(.has-selection) .sorting-list-modal__close-btn,
#trash-contents-modal-actions:not(.has-selection) .sorting-list-modal__close-btn {
  flex: 0 0 calc((100% - var(--gap-md)) / 2);
  width: calc((100% - var(--gap-md)) / 2);
  max-width: calc((100% - var(--gap-md)) / 2);
}

#image-list-modal-actions.has-selection .sorting-list-modal__cancel-btn,
#image-list-modal-actions.has-selection .sorting-list-modal__trash-btn,
#trash-contents-modal-actions.has-selection .sorting-list-modal__cancel-btn,
#trash-contents-modal-actions.has-selection .sorting-list-modal__restore-btn {
  flex: 1 1 calc((100% - var(--gap-md)) / 2);
  width: calc((100% - var(--gap-md)) / 2);
  max-width: calc((100% - var(--gap-md)) / 2);
}

.toast-bottom-container {
  position: fixed;
  bottom: var(--gap-md);
  left: 50%;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  width: min(92vw, 420px);
  transform: translateX(-50%);
  pointer-events: none;
}

.toast-bottom-container > * {
  pointer-events: auto;
}

.toast-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm);
  padding: var(--gap-sm) var(--gap-md);
  border-radius: var(--radius);
  background: var(--color-primary-light);
  color: var(--color-text);
  border: 2px solid var(--color-primary-muted);
  box-shadow: var(--shadow);
  font-size: 1rem;
  line-height: 1.4;
  animation: toast-bottom-in 0.3s ease;
}

.toast-bottom__message,
.toast__message {
  flex: 1 1 auto;
  min-width: 0;
}

.toast__close {
  flex-shrink: 0;
  min-width: 64px;
  min-height: var(--touch-target-min);
  padding: 0 10px;
  border: 2px solid var(--color-primary-muted);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.toast__close:hover {
  background: var(--color-btn-category-hover);
}

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

.control-panel {
  flex: 0 1 auto;
  min-height: 0;
  max-height: 46%;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.control-panel__inner {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  min-height: 0;
  max-height: 100%;
  padding: var(--gap-sm);
  overflow: hidden;
}

#screen-capture .control-panel__inner {
  gap: var(--gap-md);
  padding: var(--gap-md);
}

#screen-capture .panel-heading {
  font-size: 1.0625rem;
  line-height: 1.3;
}

#screen-capture .button-group {
  gap: var(--gap-md);
}

#screen-capture .button-group > .btn {
  min-height: 56px;
  padding: 10px var(--gap-md);
}

#screen-capture .button-group > .btn .btn__icon {
  width: var(--btn-icon-size-lg);
  height: var(--btn-icon-size-lg);
}

#screen-capture .capture-back-side-option {
  min-height: 56px;
  padding: 0 var(--gap-sm);
  font-size: var(--btn-label-md);
}

#screen-capture .panel-hint {
  line-height: 1.6;
  padding-top: 2px;
}

.category-buttons {
  flex: 1 1 auto;
  min-height: 0;
}

.panel-heading {
  margin: 0;
  font-size: 1rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm);
  flex-shrink: 0;
  min-width: 0;
  width: 100%;
}

.date-nav {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  min-height: var(--touch-target-min);
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-date-nav-bg);
  box-sizing: border-box;
}

.sorting-date-label {
  flex: 1 1 auto;
  min-width: 88px;
  padding: 0 4px;
  font-size: 1.0625rem;
  font-weight: 700;
  text-align: center;
  color: var(--color-text);
  line-height: 1.2;
}

.btn-date-nav {
  flex: 0 0 auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  padding: 4px 6px;
  gap: 2px;
  font-weight: 700;
  line-height: 1.1;
  white-space: nowrap;
  background: transparent;
  color: var(--color-text);
  border: none;
  border-radius: 10px;
}

.btn-date-nav .btn__icon {
  width: var(--btn-icon-size-sm);
  height: var(--btn-icon-size-sm);
}

.btn-date-nav .btn__label {
  font-size: var(--btn-label-md);
  font-weight: 700;
}

.btn-date-nav:hover:not(:disabled) {
  background: var(--color-date-nav-hover);
}

.btn-date-nav:disabled {
  color: var(--color-text-muted);
  opacity: 1;
  cursor: not-allowed;
}

.btn-date-nav:disabled .btn__icon {
  opacity: 0.45;
}

.panel-hint {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.5;
}

.button-group {
  display: flex;
  align-items: stretch;
  gap: var(--gap-sm);
  width: 100%;
  box-sizing: border-box;
}

.button-group > .btn {
  gap: 8px;
  width: auto;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.button-group > .btn .btn__icon {
  width: var(--btn-icon-size-md);
  height: var(--btn-icon-size-md);
}

.button-group > .btn .btn__label {
  font-size: var(--btn-label-md);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.button-group > #btn-start-camera {
  flex: 3 1 0;
}

.button-group > #btn-capture {
  flex: 4 1 0;
}

.capture-back-side-option {
  display: inline-flex;
  flex: 3 1 0;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  min-height: var(--touch-target-min);
  padding: 0 4px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
  box-sizing: border-box;
}

.capture-back-side-option span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.capture-back-side-option input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--color-primary);
}

.capture-back-side-option:has(input:disabled) {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  padding: 0 var(--gap-md);
  border: none;
  border-radius: var(--radius);
  background: var(--color-btn-category);
  color: var(--color-text);
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn.sorting-footer__trash-btn {
  background: var(--color-footer-trash-bg);
  color: var(--color-footer-trash-text);
  border: 2px solid var(--color-footer-trash-border);
  border-radius: 10px;
}

.btn.sorting-footer__trash-btn:hover:not(:disabled) {
  background: var(--color-footer-trash-hover);
  border-color: var(--color-btn-trash-border);
  color: var(--color-footer-trash-text);
}

.btn.sorting-footer__trash-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn__icon {
  flex-shrink: 0;
  width: var(--btn-icon-size-md);
  height: var(--btn-icon-size-md);
  display: block;
  overflow: visible;
}

.btn__label {
  min-width: 0;
  max-width: 100%;
  line-height: 1.2;
  font-size: var(--btn-label-md);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  background: var(--color-btn-category-hover);
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.sorting-footer__controls > .btn,
.sorting-action-row > .btn {
  min-width: 0;
}

.btn.sorting-footer__nav-btn {
  display: inline-flex;
}

.btn.btn-date-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-primary-muted);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-primary-light);
}

.btn-text {
  background: transparent;
  color: var(--color-primary);
  border: none;
  box-shadow: none;
}

.btn-text:hover:not(:disabled) {
  background: var(--color-primary-light);
}

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

.sorting-list-modal__select-all.btn-text {
  background: var(--color-primary-light);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius);
}

.sorting-list-modal__select-all.btn-text:hover:not(:disabled) {
  background: var(--color-btn-category-hover);
}

.sorting-list-modal__select-all.btn-text[aria-pressed="true"] {
  background: var(--color-primary);
  color: #fff;
}

.sorting-list-modal__select-all.btn-text:disabled {
  opacity: 0.35;
  background: var(--color-primary-light);
  color: var(--color-text-muted);
}

#image-list-modal-actions .sorting-list-modal__close-btn.btn-secondary,
#image-list-modal-actions .sorting-list-modal__cancel-btn.btn-secondary,
#trash-contents-modal-actions .sorting-list-modal__close-btn.btn-secondary,
#trash-contents-modal-actions .sorting-list-modal__cancel-btn.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-btn-border-secondary);
  border-radius: var(--radius);
  font-size: var(--btn-label-lg);
  font-weight: 700;
}

#image-list-modal-actions .sorting-list-modal__close-btn.btn-secondary:hover:not(:disabled),
#image-list-modal-actions .sorting-list-modal__cancel-btn.btn-secondary:hover:not(:disabled),
#trash-contents-modal-actions .sorting-list-modal__close-btn.btn-secondary:hover:not(:disabled),
#trash-contents-modal-actions .sorting-list-modal__cancel-btn.btn-secondary:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary-muted);
}

.btn.btn-category {
  background: var(--color-btn-category);
  color: var(--color-text);
  border: 2px solid var(--color-primary-muted);
}

.btn.btn-category:hover:not(:disabled) {
  background: var(--color-btn-category-hover);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.panel-header .btn-undo-sorting:disabled,
.panel-header .btn-edit-categories:disabled,
.panel-header .btn-add-category:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn.btn-category--trash {
  background: var(--color-btn-trash);
  color: var(--color-danger);
}

.btn.btn-category--trash:hover:not(:disabled) {
  background: var(--color-btn-trash-hover);
}

.btn.btn-category--soumu {
  background: var(--color-category-soumu-bg);
  color: var(--color-category-soumu-text);
  border-color: var(--color-category-soumu-border);
}

.btn.btn-category--soumu:hover:not(:disabled) {
  background: var(--color-category-soumu-hover);
  border-color: #80cbc4;
  color: var(--color-category-soumu-text-hover);
}

.btn.btn-category--president {
  background: var(--color-category-president-bg);
  color: var(--color-category-president-text);
  border-color: var(--color-category-president-border);
}

.btn.btn-category--president:hover:not(:disabled) {
  background: var(--color-category-president-hover);
  border-color: #ce93d8;
  color: var(--color-category-president-text-hover);
}


.sorting-action-row > .btn.btn-trash-contents:disabled,
.sorting-action-row > .btn.btn-action-list:disabled,
.sorting-action-row > .btn.btn-complete-sorting:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn.btn-image-side-toggle {
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-primary-muted);
}

.btn.btn-image-side-toggle:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.btn.btn-image-side-toggle:disabled {
  background: #fbfcfe;
  border-color: #eef3f8;
  color: var(--color-text-muted);
  opacity: 0.55;
}

.btn-block {
  width: 100%;
  margin-top: var(--gap-sm);
}

.toast-container {
  position: fixed;
  top: calc(var(--header-height) + var(--gap-sm));
  left: 50%;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  width: min(92vw, 420px);
  transform: translateX(-50%);
  pointer-events: none;
}

.toast-container > * {
  pointer-events: auto;
}

.toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm);
  padding: var(--gap-sm) var(--gap-md);
  border-radius: var(--radius);
  background: var(--color-danger-light);
  color: var(--color-btn-trash-text);
  border: 2px solid var(--color-btn-trash-border);
  box-shadow: var(--shadow);
  font-size: 1rem;
  line-height: 1.4;
  animation: toast-in 0.25s ease;
}

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

@media (min-width: 768px) {
  .app-layout {
    flex-direction: row;
    align-items: stretch;
    gap: var(--gap-md);
    padding: var(--gap-md);
  }

  .viewer-section {
    flex: 1 1 auto;
    min-height: 0;
  }

  .control-panel {
    flex: 0 0 var(--panel-width);
    align-self: stretch;
    max-height: none;
    min-height: 0;
    overflow: hidden;
  }

  .control-panel__inner {
    height: 100%;
  }

  .category-buttons:not(.category-buttons--edit) {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-flow: row;
    align-content: start;
    flex: 0 0 auto;
    min-height: 0;
    max-height: none;
    overflow-x: hidden;
    overflow-y: hidden;
  }

  .category-buttons:not(.category-buttons--edit).category-buttons--scrollable {
    flex: 1 1 auto;
    overflow-y: auto;
    scrollbar-width: thin;
  }

  .category-buttons:not(.category-buttons--edit).category-buttons--scrollable::-webkit-scrollbar {
    width: 6px;
    height: auto;
  }

  .category-buttons:not(.category-buttons--edit).category-buttons--scrollable::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(21, 101, 192, 0.35);
  }

  .category-buttons:not(.category-buttons--edit) .category-item {
    flex: none;
    width: 100%;
    min-width: 0;
    max-width: none;
    aspect-ratio: 1 / 1;
    height: auto;
  }

  .category-buttons:not(.category-buttons--edit) .btn-category {
    height: 100%;
    min-height: 0;
  }

  .category-buttons--edit {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-flow: row;
    align-content: start;
    overflow-x: hidden;
    overflow-y: auto;
  }

  .category-buttons--edit .category-item {
    width: 100%;
    max-width: none;
  }

  .category-buttons--scrollable.category-buttons--edit {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 48px;
    --mobile-category-btn-height: 44px;
    --btn-label-md: var(--btn-label-fluid);
    --btn-label-lg: var(--btn-label-fluid);
    --btn-icon-size-lg: var(--btn-icon-fluid-lg);
    --btn-icon-size-md: var(--btn-icon-fluid-md);
    --btn-icon-size-sm: var(--btn-icon-fluid-sm);
    --app-title-label-size-mobile: clamp(0.8125rem, 0.4rem + 2.6vw, 1rem);
  }

  .app-header {
    min-height: var(--header-height);
    padding: 4px 10px;
    gap: 4px;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  }

  /* 仕分け画面: 日付ナビを2行目へ（タイトル見切れ防止） */
  .app-header:has(#header-date-nav:not([hidden])) {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    row-gap: 4px;
    align-items: center;
    min-height: 0;
    padding-top: 4px;
    padding-bottom: 6px;
  }

  .app-header:has(#header-date-nav:not([hidden])) .app-title {
    grid-column: 1;
    grid-row: 1;
    max-width: 100%;
  }

  .app-header:has(#header-date-nav:not([hidden])) .app-header__actions {
    grid-column: 2;
    grid-row: 1;
  }

  .app-header:has(#header-date-nav:not([hidden])) .header-date-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: center;
    width: 100%;
    max-width: 100%;
  }

  .app-title {
    gap: 6px;
    max-width: 100%;
  }

  .app-title__icon {
    width: var(--app-title-icon-size-mobile);
    height: var(--app-title-icon-size-mobile);
    padding: 2px;
  }

  .app-title__label {
    font-size: var(--app-title-label-size-mobile);
  }

  .app-header:has(#header-date-nav:not([hidden])) .app-title__label {
    overflow: visible;
    text-overflow: clip;
  }

  .header-date-nav {
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
    justify-content: center;
  }

  .date-nav {
    gap: clamp(2px, 1vw, 4px);
    width: fit-content;
    max-width: 100%;
    margin-inline: auto;
    padding: 4px clamp(4px, 1.5vw, 8px);
  }

  .sorting-date-label {
    min-width: 0;
    flex: 1 1 auto;
    font-size: var(--date-label-fluid);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .btn-date-nav {
    flex-shrink: 1;
    min-width: 0;
    width: clamp(40px, 12vw, var(--touch-target-min));
    min-height: var(--touch-target-min);
    padding: 4px clamp(2px, 1vw, 4px);
  }

  .btn-date-nav .btn__label {
    font-size: var(--btn-label-fluid-tight);
    max-width: 100%;
  }

  .btn-header-capture {
    min-width: var(--touch-target-min);
    width: var(--touch-target-min);
    min-height: var(--touch-target-min);
    padding: 0;
  }

  .upload-status {
    font-size: var(--btn-label-fluid-tight);
    max-width: clamp(48px, 18vw, 120px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .app-header__actions {
    min-width: 0;
    flex-shrink: 1;
  }

  .app-layout {
    gap: 6px;
    padding: 6px;
    padding-bottom: max(6px, env(safe-area-inset-bottom, 0px));
  }

  .viewer-section {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
  }

  .sorting-footer {
    padding: 8px 10px 10px;
  }

  .sorting-footer__nav-btn {
    min-width: 0;
    min-height: var(--touch-target-min);
    height: auto;
  }

  .sorting-page-toast {
    bottom: 10px;
    font-size: 1rem;
  }

  .control-panel {
    flex: 0 0 auto;
    max-height: none;
    min-height: 0;
  }

  .control-panel__inner {
    gap: 6px;
    padding: 6px;
    height: auto;
  }

  .panel-heading {
    font-size: 1rem;
  }

  .panel-header .btn-undo-sorting,
  .panel-header .btn-edit-categories {
    min-height: var(--touch-target-min);
  }

  .panel-header .btn-undo-sorting {
    flex: 0 1 auto;
    min-width: 0;
    max-width: 42%;
    padding: 8px clamp(6px, 2vw, 10px);
  }

  .panel-header__edit-actions {
    flex: 0 1 auto;
    min-width: 0;
    max-width: calc(100% - 72px);
    margin-left: auto;
  }

  .panel-header .btn-edit-categories {
    flex: 0 0 auto;
    width: auto;
    min-width: 0;
    max-width: 100%;
    padding: 8px clamp(6px, 2vw, 10px);
  }

  .panel-header .btn-edit-categories .btn__label {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .panel-header .btn-add-category {
    min-width: 0;
    padding: 8px clamp(6px, 2vw, 10px);
  }

  .panel-header .btn-undo-sorting .btn__label,
  .panel-header .btn-edit-categories .btn__label,
  .panel-header .btn-add-category {
    font-size: var(--btn-label-fluid-tight);
  }

  .category-buttons:not(.category-buttons--edit) .btn-category .btn__icon {
    width: clamp(2.25rem, 10vw, var(--btn-icon-size-xl));
    height: clamp(2.25rem, 10vw, var(--btn-icon-size-xl));
  }

  .category-buttons:not(.category-buttons--edit) .btn-category .btn__label {
    font-size: clamp(0.8125rem, 0.4rem + 2.8vw, 1.125rem);
    max-width: 100%;
  }

  .category-buttons:not(.category-buttons--edit) {
    flex: 0 0 auto;
    min-height: 0;
  }

  .category-buttons--edit {
    flex: 0 1 auto;
    min-height: 0;
    max-height: none;
  }

  .sorting-action-row {
    gap: clamp(4px, 2vw, 10px);
    min-width: 0;
  }

  .sorting-action-row > .btn-trash-contents,
  .sorting-action-row > .btn-action-list {
    flex: 1 1 0;
    min-width: 0;
    padding: 4px clamp(2px, 1vw, 6px);
  }

  .sorting-action-row > .btn-trash-contents .btn__label,
  .sorting-action-row > .btn-action-list .btn__label,
  .sorting-action-row > .btn-complete-sorting .btn__label {
    font-size: var(--btn-label-fluid-tight);
  }

  .sorting-action-row > .btn-complete-sorting {
    flex: 1.35 1 0;
    min-width: 0;
    min-height: var(--touch-target-min);
    padding: 6px clamp(8px, 3vw, 18px);
  }

  .sorting-footer__controls {
    gap: clamp(4px, 1.5vw, 8px);
  }

  .sorting-footer__nav-btn,
  .sorting-footer__trash-btn {
    min-width: 0;
    padding-left: clamp(6px, 2vw, 12px);
    padding-right: clamp(6px, 2vw, 12px);
  }

  .sorting-footer__nav-btn .btn__label,
  .sorting-footer__trash-btn .btn__label {
    font-size: var(--btn-label-fluid-tight);
  }

  .sorting-footer__trash-btn {
    min-height: var(--touch-target-min);
  }

  .button-group > .btn .btn__label,
  .capture-back-side-option {
    font-size: var(--btn-label-fluid-tight);
  }

  .button-group {
    gap: clamp(4px, 1.5vw, 8px);
  }

  .button-group > .btn {
    min-width: 0;
    padding-left: clamp(4px, 1.5vw, 12px);
    padding-right: clamp(4px, 1.5vw, 12px);
  }

  #screen-capture .control-panel__inner {
    gap: 12px;
    padding: 12px var(--gap-md);
  }

  #screen-capture .button-group > .btn,
  #screen-capture .capture-back-side-option {
    min-height: 60px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  #screen-capture .capture-back-side-option input {
    width: 20px;
    height: 20px;
  }

  .sorting-list-modal__title {
    font-size: clamp(0.9375rem, 0.5rem + 2.2vw, 1.1rem);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .sorting-list-modal__select-all {
    font-size: var(--btn-label-fluid-tight);
    padding: 0 clamp(6px, 2vw, 12px);
  }
}

@media (max-width: 359px) {
  :root {
    --btn-label-fluid-tight: clamp(0.6875rem, 0.2rem + 3.2vw, 0.875rem);
    --date-label-fluid: clamp(0.75rem, 0.25rem + 3vw, 0.9375rem);
  }

  .app-header {
    padding: 4px 6px;
  }

  .app-title__icon {
    width: clamp(1.75rem, 1.25rem + 2.5vw, 2.25rem);
    height: clamp(1.75rem, 1.25rem + 2.5vw, 2.25rem);
  }

  .app-title__label {
    font-size: clamp(0.8125rem, 0.5rem + 2.4vw, 0.9375rem);
  }

  .btn-date-nav {
    width: clamp(36px, 11vw, 44px);
  }

  .sorting-action-row > .btn-complete-sorting {
    flex: 1.2 1 0;
    padding: 6px 8px;
  }
}