/* ============================================
   Doppler Demo — Single-Page App Layout
   Built on RD design tokens (rd-tokens.css)
   ============================================ */

/* --- Project color tokens (perplexity gradient for token-press) --- */
:root {
  --doppler-blue: #3b82f6;
  --doppler-purple: #8b5cf6;
  --doppler-red: #ef4444;
  --doppler-titlebar-bg: rgba(255, 255, 255, 0.9);
  --doppler-titlebar-border: rgba(0, 0, 0, 0.14);
}

/* --- Boot overlay --- */

.boot-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--bg);
  display: grid;
  place-items: center;
  align-content: center;
  justify-content: center;
  gap: var(--space-md);
  transition: opacity var(--transition-normal) ease;
}

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

.boot-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.boot-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  text-align: center;
  width: max-content;
}

.boot-d4-loading {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  line-height: 1;
  isolation: isolate;
  perspective: 1200px;
}

.boot-d4-a,
.boot-d4-b,
.boot-d4-c,
.boot-d4-d {
  position: absolute;
  left: 0;
  top: 0;
  width: 64px;
  text-align: center;
  color: var(--fg);
  font-size: 38px;
  line-height: 1;
  font-weight: var(--font-set-weight);
  will-change: transform, opacity;
  transform-origin: center center;
  opacity: 1;
}

.boot-d4-a {
  animation: doppler-d4-overlay-a 4.444s ease-in-out infinite;
}

.boot-d4-b {
  animation: doppler-d4-overlay-b 4.444s ease-in-out infinite;
}

.boot-d4-c {
  animation: doppler-d4-overlay-c 4.444s ease-in-out infinite;
}

.boot-d4-d {
  animation: doppler-d4-overlay-d 4.444s ease-in-out infinite;
}

.boot-status {
  font-size: var(--font-size-sm);
  letter-spacing: var(--font-tracking-label);
  text-transform: uppercase;
  opacity: var(--opacity-soft);
  padding-top: 2px;
}

.boot-error {
  max-width: 480px;
  padding: var(--space-md);
  border: var(--border-lg) double var(--fg);
  font-size: var(--font-size-base);
  white-space: pre-wrap;
  word-break: break-word;
}

@keyframes doppler-d4-overlay-a {
  0%, 3% { transform: scale(1) translate(0px, 0px); opacity: 1; }
  22%, 28% { transform: scale(0.45) translate(-31px, -18px); opacity: 0.5; }
  47%, 53% { transform: scale(0.45) translate(31px, -18px); opacity: 0.5; }
  72%, 78% { transform: scale(0.45) translate(0px, 35px); opacity: 0.5; }
  97%, 100% { transform: scale(1) translate(0px, 0px); opacity: 1; }
}

@keyframes doppler-d4-overlay-b {
  0%, 3% { transform: scale(0.45) translate(-31px, -18px); opacity: 0.5; }
  22%, 28% { transform: scale(0.45) translate(31px, -18px); opacity: 0.5; }
  47%, 53% { transform: scale(0.45) translate(0px, 35px); opacity: 0.5; }
  72%, 78% { transform: scale(1) translate(0px, 0px); opacity: 1; }
  97%, 100% { transform: scale(0.45) translate(-31px, -18px); opacity: 0.5; }
}

@keyframes doppler-d4-overlay-c {
  0%, 3% { transform: scale(0.45) translate(31px, -18px); opacity: 0.5; }
  22%, 28% { transform: scale(0.45) translate(0px, 35px); opacity: 0.5; }
  47%, 53% { transform: scale(1) translate(0px, 0px); opacity: 1; }
  72%, 78% { transform: scale(0.45) translate(-31px, -18px); opacity: 0.5; }
  97%, 100% { transform: scale(0.45) translate(31px, -18px); opacity: 0.5; }
}

@keyframes doppler-d4-overlay-d {
  0%, 3% { transform: scale(0.45) translate(0px, 35px); opacity: 0.5; }
  22%, 28% { transform: scale(1) translate(0px, 0px); opacity: 1; }
  47%, 53% { transform: scale(0.45) translate(-31px, -18px); opacity: 0.5; }
  72%, 78% { transform: scale(0.45) translate(31px, -18px); opacity: 0.5; }
  97%, 100% { transform: scale(0.45) translate(0px, 35px); opacity: 0.5; }
}

/* --- App shell --- */

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-md);
  gap: var(--space-md);
}

body.pwa-window-controls .app-shell {
  padding-top: calc(var(--space-md) + max(env(titlebar-area-height, 0px), 40px));
}

.app-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: var(--border-sm) solid var(--fg);
}

.app-header-end {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.desktop-titlebar {
  position: fixed;
  left: env(titlebar-area-x, 0px);
  top: env(titlebar-area-y, 0px);
  width: env(titlebar-area-width, 100vw);
  height: max(env(titlebar-area-height, 0px), 40px);
  padding: 0 var(--space-md);
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  background: var(--doppler-titlebar-bg);
  border-bottom: var(--border-sm) solid var(--doppler-titlebar-border);
  backdrop-filter: blur(12px);
  z-index: calc(var(--z-dropdown) + 1);
  -webkit-app-region: drag;
}

body.pwa-window-controls .desktop-titlebar:not([hidden]) {
  display: flex;
}

.desktop-titlebar-brand,
.desktop-titlebar-phase {
  font-size: var(--font-size-sm);
  letter-spacing: var(--font-tracking-label);
  text-transform: uppercase;
}

.desktop-titlebar-phase {
  opacity: var(--opacity-soft);
}

/* --- Model picker --- */

.model-picker {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.model-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-sm);
}

/* Card border encodes storage state (RD border semantics):
   dotted  = available remotely, not in OPFS
   solid   = stored in OPFS, ready to load
   inverted (bg swap) = loaded / active model
   dashed  = downloading in progress */

.model-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: var(--border-md) dotted var(--fg);
  cursor: pointer;
  transition: background var(--transition-fast) ease,
              border-style var(--transition-fast) ease;
}

.model-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
}

.model-card-copy {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-xs);
}

.model-card:hover {
  background: var(--fg);
  color: var(--bg);
}

/* Stored in OPFS — solid border */
.model-card.is-stored {
  border-style: solid;
}

.model-card.is-stored:hover {
  background: var(--fg);
  color: var(--bg);
}

/* Active / loaded — inverted + thick border */
.model-card.is-active {
  border-style: solid;
  border-width: var(--border-lg);
  background: var(--fg);
  color: var(--bg);
}

.model-card.is-active:hover {
  background: var(--fg);
  color: var(--bg);
}

/* Loading to GPU — solid + pulse, non-interactive */
.model-card.is-loading {
  border-style: solid;
  border-width: var(--border-lg);
  cursor: default;
  animation: pulse 1s ease infinite;
}

.model-card.is-loading:hover {
  background: var(--bg);
  color: var(--fg);
}

/* Downloading — dashed + pulse, non-interactive */
.model-card.is-downloading {
  border-style: dashed;
  cursor: default;
  animation: pulse 1.5s ease infinite;
}

.model-card.is-downloading:hover {
  background: var(--bg);
  color: var(--fg);
}

.model-card-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-set-weight);
  letter-spacing: var(--font-set-tracking);
  text-transform: uppercase;
}

.model-card-detail {
  font-size: var(--font-size-sm);
  opacity: var(--opacity-soft);
}

.model-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.model-card-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0 var(--space-xs);
  border: var(--border-sm) solid currentColor;
  font-size: var(--font-size-sm);
  font-weight: var(--font-set-weight);
  text-transform: uppercase;
}

.model-card-warning {
  font-size: var(--font-size-sm);
  line-height: var(--font-leading-snug);
  opacity: var(--opacity-soft);
}

.model-card-remove {
  flex-shrink: 0;
  min-height: auto;
  padding: var(--space-xs) var(--space-sm);
  text-transform: uppercase;
}

.model-card-progress-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 4ch;
  align-items: center;
  gap: var(--space-sm);
}

.model-card-progress {
  --model-progress-cell: 10px;
  --model-progress-gap: 3px;
  position: relative;
  width: 100%;
  height: 20px;
  overflow: hidden;
  background:
    repeating-linear-gradient(
      90deg,
      color-mix(in srgb, currentColor 14%, transparent) 0 var(--model-progress-cell),
      transparent var(--model-progress-cell) calc(var(--model-progress-cell) + var(--model-progress-gap))
    );
}

.model-card-progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  height: 100%;
  width: 0%;
  background:
    repeating-linear-gradient(
      90deg,
      currentColor 0 var(--model-progress-cell),
      transparent var(--model-progress-cell) calc(var(--model-progress-cell) + var(--model-progress-gap))
    );
  transition: width var(--transition-fast) ease;
}

.model-card-progress-percent {
  min-width: 4ch;
  font-size: var(--font-size-sm);
  font-weight: var(--font-set-weight);
  font-variant-numeric: tabular-nums;
  text-align: right;
  opacity: var(--opacity-soft);
}

/* --- Confirm dialog --- */

.confirm-dialog {
  position: fixed;
  inset: 0;
  margin: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
}

.confirm-dialog[open] {
  display: grid;
  place-items: center;
}

.confirm-dialog::backdrop {
  background: rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(2px);
}

.confirm-dialog-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  min-width: min(420px, calc(100vw - (2 * var(--space-md))));
  max-width: 420px;
  margin: 0;
  padding: var(--space-lg);
  border: var(--border-md) solid var(--fg);
  background: var(--bg);
  color: var(--fg);
}

.confirm-dialog-message,
.confirm-dialog-detail {
  margin: 0;
}

.confirm-dialog-message {
  font-size: var(--font-size-base);
}

.confirm-dialog-detail {
  font-size: var(--font-size-sm);
  opacity: var(--opacity-soft);
}

.confirm-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* --- Input area --- */

.input-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.input-row {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.input-row textarea {
  flex: 1;
  min-height: 80px;
  resize: vertical;
}

.input-actions {
  display: flex;
  gap: var(--space-xs);
  flex-shrink: 0;
  flex-direction: column;
}

.image-drop-zone {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  padding: var(--space-sm);
  border: var(--border-md) dotted var(--fg);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: var(--font-tracking-label);
  opacity: var(--opacity-soft);
  cursor: pointer;
  transition: opacity var(--transition-fast) ease;
}

.image-drop-zone:hover,
.image-drop-zone.drag-over {
  opacity: 1;
  border-style: solid;
}

.image-drop-zone.has-image {
  border-style: solid;
  opacity: 1;
  padding: var(--space-xs);
}

.image-drop-zone img {
  max-width: 100%;
  max-height: 120px;
  display: block;
}

/* --- Output area --- */

.output-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-height: 120px;
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.output-phase {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--font-tracking-label);
  text-transform: uppercase;
}

.output-toks {
  font-size: var(--font-size-sm);
  opacity: var(--opacity-soft);
}

.output-text {
  padding: var(--space-md);
  border: var(--border-sm) solid var(--fg);
  min-height: 80px;
  font-size: var(--font-size-lg);
  line-height: var(--font-read-leading);
  white-space: pre-wrap;
  word-break: break-word;
}

.output-text:empty::before {
  content: 'Output will appear here...';
  opacity: var(--opacity-disabled);
}

.output-prefill-bar {
  height: var(--space-xs);
  background: var(--fg);
  transition: width var(--transition-fast) ease;
}

/* --- Settings --- */

.settings-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.settings-panel {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: var(--border-sm) dotted var(--fg);
}

.settings-panel.is-open {
  display: flex;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
}

.setting-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xxs);
}

.setting-field label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--font-tracking-label);
  text-transform: uppercase;
  cursor: help;
}

.settings-checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
  align-items: center;
  padding-top: var(--space-sm);
}

.checkbox-label--inline {
  align-items: center;
  gap: var(--space-xs);
  min-height: var(--space-lg);
  font-size: var(--font-size-sm);
  letter-spacing: var(--font-tracking-label);
  text-transform: uppercase;
}

.checkbox-label--inline input[type="checkbox"] {
  flex: 0 0 auto;
}

.setting-field input,
.setting-field select {
  font-size: var(--font-size-base);
  padding: var(--space-xs) var(--space-sm);
}

/* --- Report --- */

.report-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* --- Status indicator --- */

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  letter-spacing: var(--font-tracking-label);
  text-transform: uppercase;
}

.status-dot {
  width: 6px;
  height: 6px;
  border: var(--border-md) solid var(--fg);
}

.status-dot.is-ready {
  background: var(--fg);
}

.status-dot.is-busy {
  background: var(--fg);
  animation: pulse 1s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: var(--opacity-disabled); }
}

/* --- Xray toggle area --- */

.xray-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.xray-toggle-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: var(--space-sm) var(--space-md);
  padding: var(--space-sm) 0;
  border-top: var(--border-sm) dotted var(--fg);
}

.xray-toggle-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  align-items: center;
}

.runtime-notice {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  padding-left: var(--space-sm);
  border-left: var(--border-sm) solid var(--fg);
  opacity: var(--opacity-soft);
}

/* --- Precision replay --- */

.precision-replay-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: var(--border-sm) dotted var(--fg);
}

.precision-replay-toggle-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.precision-replay-status {
  font-size: var(--font-size-sm);
  opacity: var(--opacity-soft);
}

.precision-replay-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: var(--border-sm) dotted var(--fg);
}

.precision-replay-note {
  margin: 0;
  font-size: var(--font-size-sm);
  opacity: var(--opacity-soft);
}

.precision-replay-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
}

.precision-replay-stat-card,
.precision-replay-card,
.precision-replay-mini-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-sm);
  border: var(--border-sm) solid var(--fg);
}

.precision-replay-stat-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.precision-replay-stat-detail,
.precision-replay-mini-line,
.precision-replay-branch-meta,
.precision-replay-winner-score,
.precision-replay-winner-gap,
.precision-replay-watch-line {
  font-size: var(--font-size-sm);
  opacity: var(--opacity-soft);
}

.precision-replay-controls {
  display: grid;
  grid-template-columns: minmax(220px, 1.3fr) minmax(220px, 1fr) auto;
  gap: var(--space-sm);
  align-items: end;
}

.precision-replay-mode-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.precision-replay-mode-btn {
  appearance: none;
  background: transparent;
  color: inherit;
  border: var(--border-sm) solid var(--fg);
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
}

.precision-replay-mode-btn.is-active {
  background: var(--fg);
  color: var(--bg);
}

.precision-replay-layout {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) minmax(320px, 1fr);
  gap: var(--space-sm);
}

.precision-replay-prompt {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: var(--font-size-base);
  line-height: var(--font-read-leading);
}

.precision-replay-winners,
.precision-replay-watch-pairs,
.precision-replay-broad-flips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
}

.precision-replay-winner-card.is-selected-mode {
  background: var(--fg);
  color: var(--bg);
}

.precision-replay-winner-token {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.precision-replay-watch-title,
.precision-replay-mini-id {
  font-weight: var(--font-weight-bold);
}

.precision-replay-mini-text {
  font-size: var(--font-size-sm);
  line-height: var(--font-read-leading);
}

.precision-replay-branch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-sm);
}

.precision-replay-branch-text {
  margin: 0;
  padding: var(--space-sm);
  border: var(--border-sm) dotted currentColor;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: var(--font-size-sm);
  line-height: var(--font-read-leading);
}

.precision-replay-table-shell {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.precision-replay-table-wrap {
  overflow-x: auto;
  border: var(--border-sm) solid var(--fg);
}

.precision-replay-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.precision-replay-table th,
.precision-replay-table td {
  padding: var(--space-xs) var(--space-sm);
  border-bottom: var(--border-sm) dotted var(--fg);
  text-align: left;
  vertical-align: top;
}

.precision-replay-table tbody tr.is-selected-mode {
  background: color-mix(in srgb, var(--fg) 8%, transparent);
}

.precision-replay-table tbody tr.is-f32-winner td:nth-child(4),
.precision-replay-table tbody tr.is-f16-winner td:nth-child(5) {
  font-weight: var(--font-weight-bold);
}

/* --- Responsive --- */

@media (max-width: 600px) {
  .app-shell {
    padding: var(--space-sm);
  }

  body.pwa-window-controls .app-shell {
    padding-top: calc(var(--space-sm) + max(env(titlebar-area-height, 0px), 40px));
  }

  .model-cards {
    grid-template-columns: 1fr;
  }

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

  .input-actions {
    flex-direction: row;
  }

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

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

  .xray-toggle-row,
  .precision-replay-controls,
  .precision-replay-layout {
    grid-template-columns: 1fr;
  }
}