:root {
  color-scheme: dark;
  --bg: #071014;
  --panel: #101b20;
  --panel-strong: #15262d;
  --line: #25404a;
  --text: #eef7f4;
  --muted: #91a7a6;
  --accent: #60d394;
  --accent-strong: #7bdff2;
  --danger: #ff6b6b;
  --shadow: 0 22px 70px rgba(0, 0, 0, .32);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: radial-gradient(circle at 20% 0%, #163038 0, transparent 34%), var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button,
input,
select,
label,
.video-stage,
.video-stage video,
.video-stage canvas,
.stage-panel,
.primary-controls,
.secondary-controls,
.control-zone,
.frame-controls,
.toggle,
.timeline {
  touch-action: manipulation;
}

.app-shell {
  width: min(1400px, 100%);
  height: 100vh;
  height: 100dvh;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 18px;
  overflow: hidden;
}

.primary-controls,
.secondary-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(16, 27, 32, .84);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 20px;
  line-height: 1;
}

.upload-control input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.import-control input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.upload-control span,
.import-control span,
button {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 11px 16px;
  color: #061013;
  background: var(--accent);
  font-weight: 800;
  cursor: pointer;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}

.upload-control span:hover,
.import-control span:hover,
button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: var(--accent-strong);
}

button:disabled {
  cursor: not-allowed;
  opacity: .48;
}

.admin-only:not(.is-admin-visible) {
  display: none !important;
}

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  overflow: auto;
  overscroll-behavior: contain;
  padding-bottom: 2px;
}

.workspace.is-portrait {
  grid-template-columns: minmax(0, 1fr) 300px;
}

.stage-panel,
.metrics-panel {
  min-width: 0;
  background: rgba(16, 27, 32, .86);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.stage-panel {
  padding: 14px;
  display: grid;
  justify-items: center;
  align-items: center;
}

.video-stage {
  position: relative;
  width: min(100%, var(--stage-width, 100%));
  max-height: calc(100vh - 210px);
  aspect-ratio: var(--video-aspect, 16 / 9);
  overflow: hidden;
  border-radius: 8px;
  background: #020607;
  -webkit-user-select: none;
  user-select: none;
}

.video-stage.is-portrait {
  max-height: calc(100vh - 210px);
}

.video-stage video,
.video-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.video-stage video {
  z-index: 1;
  display: block;
  visibility: visible;
  opacity: 1;
  object-fit: contain;
  background: transparent;
}

.video-stage canvas {
  z-index: 2;
  pointer-events: none;
  background: transparent;
}

.empty-state {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

.empty-state strong {
  color: var(--text);
  font-size: clamp(18px, 2vw, 26px);
}

.empty-state.is-hidden {
  display: none;
}

.metrics-panel {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: auto;
}

.brand-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.brand-panel .upload-control span {
  padding: 9px 12px;
  font-size: 13px;
}

.brand-actions {
  display: grid;
  gap: 8px;
}

.brand-actions .upload-control {
  display: block;
}

.brand-actions .upload-control span {
  display: flex;
  justify-content: center;
  width: 100%;
}

.brand-actions .secondary-button {
  margin-left: 0;
  padding: 9px 12px;
  color: var(--text);
  background: transparent;
  border-color: var(--line);
  font-size: 13px;
}

.dashboard-admin {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
}

.dashboard-admin .admin-button,
.dashboard-admin .admin-logout-button {
  width: 100%;
}

.dashboard-admin .admin-button {
  border-color: rgba(255, 107, 107, .38);
  color: var(--danger);
  background: transparent;
}

.dashboard-admin .admin-logout-button {
  color: #061013;
  background: var(--danger);
  border-color: var(--danger);
}

.admin-indicator {
  padding: 8px 10px;
  border: 1px solid rgba(255, 107, 107, .4);
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 107, 107, .16);
  font-size: 12px;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: .08em;
}

.status-pill {
  min-width: 80px;
  padding: 6px 9px;
  border-radius: 999px;
  text-align: center;
  color: #061013;
  background: var(--muted);
  letter-spacing: 0;
  text-transform: none;
}

.status-pill.is-live {
  background: var(--accent);
}

.status-pill.is-error {
  background: var(--danger);
}

.joint-angles-section {
  display: grid;
  gap: 10px;
}

.joint-angles-toggle {
  width: 100%;
  padding: 0;
  border: 0;
  color: var(--muted);
  background: transparent;
  text-align: left;
}

.joint-angles-toggle:hover:not(:disabled) {
  transform: none;
  color: var(--text);
  background: transparent;
}

.collapse-indicator {
  color: var(--accent);
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0;
}

.joint-angles-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .24s ease, opacity .18s ease;
}

.joint-angles-section.is-expanded .joint-angles-content {
  opacity: 1;
}

.joint-angles-status {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}

.angle-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.angle-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 54px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
}

.angle-card span {
  color: var(--muted);
  font-size: 14px;
}

.angle-card strong {
  color: var(--accent-strong);
  font-size: 24px;
  line-height: 1;
}

.primary-controls,
.secondary-controls {
  position: sticky;
  bottom: max(0px, env(safe-area-inset-bottom));
  z-index: 20;
  padding: 14px;
  padding-bottom: calc(14px + env(safe-area-inset-bottom));
  border-radius: 8px;
  flex-wrap: wrap;
  -webkit-user-select: none;
  user-select: none;
}

.primary-controls {
  justify-content: flex-start;
}

.secondary-controls {
  position: static;
  z-index: 1;
  display: grid;
  align-items: stretch;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 12px;
  padding-bottom: 12px;
  box-shadow: none;
  background: var(--panel-strong);
}

.secondary-controls .secondary-button {
  margin-left: 0;
}

.drawer-close,
.tools-toggle,
.tools-backdrop {
  display: none;
}

.tools-backdrop[hidden],
.help-modal[hidden] {
  display: none !important;
  pointer-events: none;
}

.icon-button {
  min-width: 86px;
}

.secondary-button {
  margin-left: auto;
  color: var(--text);
  background: transparent;
  border-color: var(--line);
}

.secondary-button:hover:not(:disabled) {
  color: #061013;
}

.timeline {
  flex: 1 1 320px;
  accent-color: var(--accent);
}

.timeline-wrap {
  position: relative;
  flex: 1 1 320px;
  min-width: 180px;
}

.timeline-wrap .timeline {
  width: 100%;
}

.timeline-markers {
  position: absolute;
  left: 8px;
  right: 8px;
  top: -2px;
  height: 12px;
  pointer-events: none;
}

.timeline-marker {
  position: absolute;
  top: 0;
  width: 10px;
  height: 10px;
  min-width: 0;
  padding: 0;
  border: 2px solid #071014;
  border-radius: 999px;
  background: var(--accent-strong);
  transform: translateX(-50%);
  pointer-events: auto;
}

.frame-controls {
  display: inline-flex;
  gap: 8px;
}

.tool-button {
  min-width: 104px;
  padding-inline: 12px;
  color: var(--text);
  background: var(--panel-strong);
  border-color: var(--line);
}

.tool-button:hover:not(:disabled) {
  color: #061013;
}

.speed-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.speed-control select {
  min-width: 82px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  background: var(--panel-strong);
  font-weight: 800;
}

.timecode {
  min-width: 112px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  white-space: nowrap;
}

.toggle input {
  inline-size: 18px;
  block-size: 18px;
  accent-color: var(--accent);
}

.overlay-settings {
  display: grid;
  gap: 12px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.project-panel {
  display: grid;
  gap: 10px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.project-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 8px;
  width: 100%;
  overflow: visible;
}

.project-actions .secondary-button,
.project-actions .import-control span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 9px 10px;
  color: var(--text);
  background: transparent;
  border-color: var(--line);
  font-size: 13px;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}

.project-actions .import-control {
  display: flex;
  min-width: 0;
}

.restore-hint {
  display: grid;
  gap: 5px;
  padding: 9px 10px;
  border: 1px solid rgba(123, 223, 242, .32);
  border-radius: 8px;
  color: var(--accent-strong);
  background: rgba(123, 223, 242, .08);
  font-size: 13px;
}

.restore-hint strong {
  color: var(--text);
  font-size: 13px;
}

.restore-hint span {
  color: var(--accent-strong);
  font-weight: 800;
}

.comments-panel {
  display: grid;
  gap: 10px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.comments-panel > .secondary-button {
  margin-left: 0;
  width: 100%;
}

.analysis-report-panel {
  display: grid;
  gap: 10px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.report-field {
  display: grid;
  gap: 6px;
}

.report-field span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.report-field textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  color: var(--text);
  background: var(--panel-strong);
}

.analysis-report-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.analysis-report-actions .secondary-button {
  margin-left: 0;
  width: 100%;
  padding: 9px 10px;
  font-size: 13px;
}

.analysis-save-status {
  min-height: 18px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
}

.analysis-save-status.is-error {
  color: var(--danger);
}

.comment-editor {
  display: grid;
  gap: 8px;
}

.comment-editor textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  color: var(--text);
  background: var(--panel-strong);
  font: inherit;
}

.comment-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.comment-actions button {
  padding: 8px 10px;
  color: var(--text);
  background: transparent;
  border-color: var(--line);
  font-size: 12px;
}

.comments-list {
  display: grid;
  gap: 8px;
}

.comment-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
}

.comment-jump,
.comment-delete {
  color: var(--text);
  background: var(--panel-strong);
  border-color: var(--line);
}

.comment-jump {
  min-width: 0;
  display: grid;
  gap: 3px;
  padding: 9px 10px;
  text-align: left;
}

.comment-jump strong,
.comment-jump span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.comment-jump strong {
  color: var(--accent-strong);
  font-size: 12px;
}

.comment-jump span {
  font-size: 13px;
}

.comment-delete {
  width: auto;
  padding: 9px 10px;
  font-size: 12px;
}

.recent-projects {
  display: grid;
  gap: 8px;
}

.empty-projects {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.recent-project {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 9px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(21, 38, 45, .78);
}

.project-thumb,
.project-thumb img,
.project-thumb-placeholder {
  width: 54px;
  height: 38px;
  border-radius: 6px;
}

.project-thumb {
  overflow: hidden;
  background: #020607;
}

.project-thumb img {
  display: block;
  object-fit: cover;
}

.project-thumb-placeholder {
  background: linear-gradient(135deg, #15262d, #25404a);
}

.project-meta {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.project-meta strong,
.project-meta span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-meta strong {
  color: var(--text);
  font-size: 13px;
}

.project-meta span {
  color: var(--muted);
  font-size: 12px;
}

.project-buttons {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.project-buttons button {
  padding: 8px 10px;
  color: var(--text);
  background: transparent;
  border-color: var(--line);
  font-size: 12px;
}

.help-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, .58);
}

.help-card {
  width: min(560px, 100%);
  max-height: min(760px, 90vh);
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.upload-modal-card {
  display: grid;
  gap: 14px;
}

.qr-code {
  display: grid;
  place-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.qr-code img {
  display: block;
  width: 220px;
  height: 220px;
}

.upload-url {
  display: block;
  overflow-wrap: anywhere;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
}

.export-filename {
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
}

.text-box-modal-card {
  width: min(520px, 100%);
}

.text-box-form,
.text-box-form label {
  display: grid;
  gap: 8px;
}

.text-box-form label span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.text-box-form textarea,
.text-box-form input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel-strong);
  font: inherit;
}

.text-box-form textarea {
  min-height: 132px;
  resize: vertical;
}

.text-box-grid,
.text-box-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.text-box-toggle {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.text-box-toggle input {
  width: 18px;
  height: 18px;
}

.text-box-actions button {
  width: 100%;
}

.video-library-list {
  display: grid;
  gap: 10px;
}

.video-library-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
}

.video-library-item strong,
.video-library-item span {
  display: block;
}

.video-library-item strong {
  overflow-wrap: anywhere;
}

.video-library-item span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.video-library-item button {
  padding: 8px 12px;
}

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

.video-library-actions button {
  width: auto;
}

.video-library-delete {
  min-width: 40px;
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

.video-library-delete:hover:not(:disabled) {
  color: #061013;
}

.admin-login-form {
  display: grid;
  gap: 12px;
}

.admin-login-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.admin-login-form input[type="password"] {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel-strong);
}

.reset-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.mobile-upload-page {
  overflow: auto;
}

.mobile-upload-shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 18px;
}

.mobile-upload-card {
  width: min(520px, 100%);
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 27, 32, .9);
  box-shadow: var(--shadow);
}

.mobile-upload-copy {
  margin: 0;
  color: var(--muted);
}

.mobile-upload-form {
  display: grid;
  gap: 12px;
}

.mobile-upload-form input[type="file"] {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel-strong);
}

.mobile-upload-progress {
  width: 100%;
  accent-color: var(--accent);
}

.restore-hint.is-error {
  color: var(--danger);
  border-color: rgba(255, 107, 107, .4);
  background: rgba(255, 107, 107, .08);
}

.help-card .drawer-close {
  display: inline-flex;
  float: right;
  width: auto;
  padding: 8px 12px;
  color: var(--text);
  background: transparent;
  border-color: var(--line);
}

.help-card h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

.help-card p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.45;
}

.setting-row {
  display: grid;
  grid-template-columns: minmax(105px, 1fr) minmax(120px, 1.25fr);
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.setting-row select,
.setting-row input[type="range"] {
  width: 100%;
}

.setting-row select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--text);
  background: var(--panel-strong);
  font-weight: 800;
}

.setting-row input[type="range"] {
  accent-color: var(--accent);
}

@media (max-width: 980px) {
  .app-shell {
    padding: 14px;
    gap: 12px;
  }

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

  .workspace.is-portrait {
    grid-template-columns: 1fr;
  }

  .metrics-panel {
    max-height: none;
  }

  .angle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .overlay-settings {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .overlay-settings .panel-title {
    grid-column: 1 / -1;
  }

  .video-stage {
    max-height: 58vh;
  }

  .video-stage.is-portrait {
    width: min(100%, var(--stage-width, 100%));
  }
}

@media (max-width: 768px) {
  body {
    overflow: auto;
  }

  .app-shell {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    grid-template-rows: auto auto;
    padding: 10px;
    padding-bottom: calc(92px + env(safe-area-inset-bottom));
    overflow: visible;
  }

  .workspace {
    grid-template-columns: 1fr;
    overflow: visible;
    gap: 10px;
    padding-bottom: 0;
  }

  .stage-panel {
    padding: 8px;
    order: 1;
  }

  .metrics-panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    order: 2;
    max-height: min(82vh, 720px);
    padding: 14px;
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
    overflow: auto;
    border-radius: 12px 12px 0 0;
    transform: translateY(105%);
    transition: transform .22s ease;
    overscroll-behavior: contain;
  }

  body.tools-open .metrics-panel {
    transform: translateY(0);
  }

  .brand-panel {
    grid-template-columns: 1fr;
  }

  .brand-panel h1 {
    font-size: 18px;
  }

  .video-stage {
    max-height: min(72vh, calc(100dvh - 116px));
  }

  .primary-controls {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    z-index: 40;
    display: grid;
    grid-template-columns: minmax(76px, .85fr) minmax(0, 2fr);
    gap: 8px;
    padding: 10px;
    border-radius: 8px;
  }

  .primary-controls .icon-button {
    min-width: 0;
  }

  .primary-controls .frame-controls {
    width: 100%;
  }

  .primary-controls .frame-controls button {
    flex: 1 1 0;
    min-width: 0;
  }

  .primary-controls .timeline,
  .primary-controls .timecode {
    display: none;
  }

  .secondary-controls .timeline-wrap,
  .secondary-controls .timecode {
    display: block;
    width: 100%;
  }

  .secondary-controls {
    position: static;
    z-index: 1;
    display: grid;
    gap: 10px;
    padding: 12px;
    padding-bottom: 12px;
  }

  .secondary-controls .secondary-button {
    margin-left: 0;
  }

  .drawer-close {
    display: inline-flex;
    justify-content: center;
    justify-self: end;
    width: auto;
    padding: 8px 12px;
    color: var(--text);
    background: transparent;
    border-color: var(--line);
    font-size: 13px;
  }

  .tools-toggle {
    position: fixed;
    right: 10px;
    bottom: calc(74px + env(safe-area-inset-bottom));
    z-index: 45;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    padding: 10px 14px;
    color: var(--text);
    background: var(--panel-strong);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .tools-backdrop {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(0, 0, 0, .44);
  }

  body.tools-open .tools-backdrop {
    display: block;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 4px;
    padding-bottom: calc(72px + env(safe-area-inset-bottom));
    gap: 6px;
  }

  .workspace {
    gap: 4px;
  }

  .stage-panel {
    padding: 2px;
    border-radius: 6px;
    box-shadow: none;
  }

  .video-stage {
    width: 100%;
    max-height: min(82vh, calc(100dvh - 78px));
    border-radius: 6px;
  }

  .video-stage.is-portrait {
    width: min(100%, var(--stage-width, 100%));
    max-height: min(82vh, calc(100dvh - 78px));
  }

  .upload-control span,
  button {
    width: 100%;
    text-align: center;
  }

  .video-library-actions button {
    width: auto;
  }

  .speed-control {
    width: 100%;
    justify-content: space-between;
  }

  .project-actions {
    grid-template-columns: 1fr;
  }

  .analysis-report-actions {
    grid-template-columns: 1fr;
  }

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

  .overlay-settings {
    grid-template-columns: 1fr;
  }

  .secondary-button {
    margin-left: 0;
  }

  .timeline,
  .timecode {
    flex-basis: 100%;
  }

  .secondary-controls {
    gap: 10px;
    padding: 10px;
  }

  .primary-controls {
    left: 4px;
    right: 4px;
    bottom: max(4px, env(safe-area-inset-bottom));
    gap: 6px;
    padding: 7px;
    min-height: 52px;
  }

  .primary-controls button {
    width: auto;
    padding: 9px 10px;
    font-size: 13px;
  }

  .tools-toggle {
    right: 6px;
    bottom: calc(58px + env(safe-area-inset-bottom));
    padding: 8px 11px;
    font-size: 13px;
  }
}