/* KOMA — デザイントークンとレイアウト */

:root {
  --bg:        #17171b;
  --panel:     #1f1f25;
  --line:      #2c2c33;
  --ink:       #ece8e1;
  --ink-dim:   #9a968e;
  --amber:     #e8a33d;
  --amber-deep:#c97f1e;
  --rec:       #e2574c;
  --ok:        #6fbf8e;
  --font-ui:   system-ui, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --font-tc:   ui-monospace, "SF Mono", Consolas, monospace;
  --radius:    12px;
  --tap:       48px;
}

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

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  -webkit-tap-highlight-color: transparent;
}

button, select, input, a.btn {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
a.btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.hidden { display: none !important; }

/* アプリ骨格 */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  max-width: 100vw;
  overflow: hidden;
}

/* ヘッダー */
.header {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: env(safe-area-inset-top, 0px) max(12px, env(safe-area-inset-right, 0px)) 0 max(12px, env(safe-area-inset-left, 0px));
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.header__brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.header__stats {
  flex: 1;
  display: flex;
  gap: 12px;
  justify-content: center;
  font-family: var(--font-tc);
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
}

.mode-toggle {
  min-width: var(--tap);
  min-height: 36px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-dim);
  cursor: pointer;
  font-size: 0.8rem;
}

.mode-toggle[aria-pressed="true"] {
  background: var(--amber);
  color: var(--bg);
  border-color: var(--amber);
}

/* プロジェクトバー（くわしいモード） */
.project-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px max(12px, env(safe-area-inset-right, 0px)) 6px max(12px, env(safe-area-inset-left, 0px));
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.project-bar__name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 600;
}

.project-bar__actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.project-bar__btn {
  min-height: 32px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--ink-dim);
  font-size: 0.75rem;
  cursor: pointer;
}

.project-bar__btn--danger {
  color: var(--danger, #e55);
}

.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 50vh;
  overflow-y: auto;
}

.project-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: var(--tap);
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font-size: 0.95rem;
}

.project-list__item[aria-selected="true"] {
  border-color: var(--amber);
  background: rgba(255, 180, 60, 0.1);
}

.project-list__meta {
  font-size: 0.75rem;
  color: var(--ink-dim);
}

/* エラーログ一覧 */
.error-log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 50vh;
  overflow-y: auto;
}

.error-log-list__item {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  font-size: 0.8rem;
  line-height: 1.4;
}

.error-log-list__head {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--ink-dim);
  font-size: 0.7rem;
}

.error-log-list__source {
  font-weight: 600;
  color: var(--amber);
}

.error-log-list__message {
  margin-top: 4px;
  word-break: break-word;
}

.error-log-list__detail {
  margin-top: 4px;
  color: var(--ink-dim);
  font-size: 0.7rem;
  word-break: break-word;
}

/* メイン */
.main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.viewport {
  position: relative;
  flex: 1;
  max-height: 50vh;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.viewport__inner {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.viewport__video,
.viewport__onion,
.viewport__playback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.viewport__onion,
.viewport__playback {
  pointer-events: none;
}

.viewport__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right, transparent 33.2%, rgba(255,255,255,0.25) 33.3%, transparent 33.4%, transparent 66.2%, rgba(255,255,255,0.25) 66.3%, transparent 66.4%),
    linear-gradient(to bottom, transparent 33.2%, rgba(255,255,255,0.25) 33.3%, transparent 33.4%, transparent 66.2%, rgba(255,255,255,0.25) 66.3%, transparent 66.4%);
}

/* 黒背景撮影モード: プレビュー補助のみ（保存フレームには影響しない） */
.viewport__inner--black-bg .viewport__video {
  filter: brightness(0.82) contrast(1.18);
}

.viewport__black-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: rgba(0, 0, 0, 0.18);
  mix-blend-mode: multiply;
}

.viewport__black-bg-hint {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.72);
  color: var(--ink);
  font-size: 0.75rem;
  line-height: 1.35;
  pointer-events: none;
}

.viewport__black-bg-check {
  font-weight: 600;
  color: var(--amber);
}

.viewport__black-bg-desc {
  color: var(--ink-dim);
  font-size: 0.7rem;
}

.viewport__flash {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
}

.viewport__flash.is-flash {
  animation: flash 80ms ease-out;
}

@keyframes flash {
  0% { opacity: 0.7; }
  100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .viewport__flash.is-flash { animation: none; opacity: 0; }
}

.cam-denied {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px;
  text-align: center;
  background: var(--bg);
}

/* サイドバー / ツールバー */
.sidebar {
  background: var(--panel);
  border-top: 1px solid var(--line);
}

.toolbar {
  display: flex;
  align-items: stretch;
  gap: 8px;
  min-height: 64px;
  padding: 8px 12px;
  overflow-x: auto;
}

.toolbar__item {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.toolbar__label {
  font-size: 0.65rem;
  line-height: 1.25;
  color: var(--ink-dim);
  white-space: nowrap;
}

.toolbar__item input[type="range"] {
  width: 72px;
  accent-color: var(--amber);
}

.toolbar__btn,
.toolbar__select {
  min-height: 48px;
  min-width: 48px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  cursor: pointer;
  flex-shrink: 0;
}

/* アイコン+文字の縦積みボタン */
.toolbar__btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.toolbar__btn--mini {
  min-height: 36px;
  min-width: 40px;
  font-size: 0.75rem;
}

.toolbar__btn-icon {
  font-size: 1rem;
  line-height: 1;
}

.toolbar__btn-label {
  font-size: 0.6rem;
  line-height: 1;
  color: var(--ink-dim);
}

.toolbar__btn[aria-pressed="true"] .toolbar__btn-label {
  color: inherit;
}

.toolbar__btn[aria-pressed="true"] {
  background: var(--amber);
  color: var(--bg);
  border-color: var(--amber);
}

.toolbar__select {
  font-size: 0.75rem;
  color: var(--ink);
}

/* 操作段 */
.controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 16px 12px;
}

.controls__btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 72px;
  min-height: var(--tap);
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  cursor: pointer;
}

.controls__btn-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.controls__btn-label {
  font-size: 0.7rem;
  line-height: 1;
  color: var(--ink-dim);
}

/* 撮影ボタン: 赤丸 + 直下に文字ラベル */
.controls__capture {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
}

.controls__capture-inner {
  display: block;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--rec);
  border: 4px solid var(--ink);
  box-shadow: inset 0 0 0 3px var(--bg);
}

.controls__capture-label {
  font-size: 0.75rem;
  line-height: 1;
  color: var(--ink);
  font-weight: 600;
}

.controls__capture:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.controls__capture:disabled .controls__capture-inner {
  background: var(--ink-dim);
}

.storage-warn {
  text-align: center;
  padding: 4px 12px 8px;
  font-size: 0.85rem;
  color: var(--amber);
}

.frame-guide {
  text-align: center;
  padding: 8px 12px;
  background: rgba(232, 163, 61, 0.15);
  color: var(--amber);
  font-size: 0.9rem;
}

/* フィルムストリップ */
.filmstrip-wrap {
  flex-shrink: 0;
  background: var(--panel);
  border-top: 1px solid var(--line);
  position: relative;
}

.filmstrip-sprockets {
  height: 8px;
  background:
    repeating-linear-gradient(
      90deg,
      var(--bg) 0px,
      var(--bg) 4px,
      var(--line) 4px,
      var(--line) 10px
    );
}

.filmstrip-sprockets--top {
  border-bottom: 1px solid var(--line);
}

.filmstrip-sprockets--bottom {
  border-top: 1px solid var(--line);
}

.filmstrip-empty {
  padding: 14px 12px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-dim);
}

.filmstrip {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

@media (prefers-reduced-motion: reduce) {
  .filmstrip { scroll-behavior: auto; }
}

.filmstrip__item {
  flex-shrink: 0;
  width: 64px;
  height: 48px;
  border: 2px solid transparent;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg);
  padding: 0;
}

.filmstrip__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.filmstrip__item--selected {
  border-color: var(--amber);
  box-shadow: 0 0 0 1px var(--amber);
}

.filmstrip__item:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.context-bar {
  display: flex;
  gap: 6px;
  padding: 4px 12px 8px;
  justify-content: center;
}

.context-bar button {
  min-height: 36px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  cursor: pointer;
  font-size: 0.85rem;
}

/* 黒塗り消しゴムオーバーレイ */
.erase-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: env(safe-area-inset-top, 0px) max(12px, env(safe-area-inset-right, 0px)) env(safe-area-inset-bottom, 0px) max(12px, env(safe-area-inset-left, 0px));
}

.erase-overlay__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 100%;
  max-height: 100%;
}

.erase-overlay__title {
  margin: 0;
  font-size: 1rem;
  color: var(--ink-dim);
}

.erase-overlay__canvas {
  display: block;
  max-width: 100%;
  max-height: calc(100dvh - 140px);
  width: auto;
  height: auto;
  touch-action: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  /* ミラーは適用しない（保存は非ミラーのまま） */
}

.erase-overlay__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* フッター */
.footer {
  flex-shrink: 0;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 max(12px, env(safe-area-inset-right, 0px)) env(safe-area-inset-bottom, 0px) max(12px, env(safe-area-inset-left, 0px));
  background: var(--panel);
  border-top: 1px solid var(--line);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 8px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg);
  text-decoration: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--amber);
  color: var(--bg);
  border-color: var(--amber);
}

.btn--primary:active { background: var(--amber-deep); }

.btn--secondary {
  background: transparent;
}

.btn--finish {
  width: 100%;
  max-width: 280px;
  background: var(--ok);
  color: var(--bg);
  border-color: var(--ok);
  font-weight: 600;
}

/* ダイアログ */
.export-dialog,
.progress-dialog,
.done-dialog {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink);
  padding: 24px;
  max-width: 92vw;
  width: 400px;
}

.export-dialog::backdrop,
.progress-dialog::backdrop,
.done-dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
}

.export-dialog__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.export-dialog__title {
  margin: 0;
  font-size: 1.25rem;
}

.export-dialog__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.export-dialog__hint {
  margin: 0;
  font-size: 0.75rem;
  color: var(--ink-dim);
}

.export-dialog__field input[type="text"] {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
}

.export-dialog__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.progress-dialog {
  text-align: center;
}

.progress-dialog progress {
  width: 100%;
  height: 12px;
  accent-color: var(--amber);
}

.done-dialog__title {
  font-size: 1.5rem;
  margin: 0 0 8px;
}

.done-dialog__info {
  color: var(--ink-dim);
  font-family: var(--font-tc);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.done-dialog__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* トースト */
.toast {
  position: fixed;
  bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  z-index: 100;
  max-width: 90vw;
}

.toast__restore {
  color: var(--amber);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
  min-height: var(--tap);
}

.compat-banner {
  position: fixed;
  top: calc(48px + env(safe-area-inset-top, 0px));
  left: 0;
  right: 0;
  padding: 6px 12px;
  background: var(--amber-deep);
  color: var(--bg);
  text-align: center;
  font-size: 0.85rem;
  z-index: 50;
}

/* かんたんモード: 3ボタンだけを大きく */
.app--easy .toolbar,
.app--easy .context-bar {
  display: none !important;
}

.app--easy .controls__capture-inner {
  width: 88px;
  height: 88px;
}

.app--easy .controls__capture-label {
  font-size: 1rem;
}

.app--easy .controls__btn {
  min-height: 64px;
  min-width: 96px;
}

.app--easy .controls__btn-label {
  font-size: 0.9rem;
  color: var(--ink);
}

/* PC横レイアウト */
@media (min-width: 900px) {
  .main {
    flex-direction: row;
    flex: 1;
  }

  .viewport {
    flex: 1;
    max-height: none;
  }

  .sidebar {
    width: 280px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-top: none;
    border-left: 1px solid var(--line);
  }

  .toolbar {
    flex-direction: column;
    height: auto;
    padding: 16px;
    align-items: stretch;
  }

  .controls {
    flex: 1;
    flex-direction: column;
    justify-content: center;
  }

  .filmstrip-wrap {
    order: 3;
  }
}