/* ============================================================
   eenk Device Manager — Styles
   ============================================================ */

/* TODO use local fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Syne:wght@700;800&display=swap');

/* ── Reset ──────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 14px;
  background: var(--color-bg);
  color: var(--color-fg);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  user-select: none;
}



/* ── Shell ──────────────────────────────────────────────────── */
.dm-shell {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

/* ── Header bar ─────────────────────────────────────────────── */
.dm-header {
  background-image: var(--dither-bg);
  background-size: var(--dither-size);
  image-rendering: pixelated;
  border-bottom: var(--border);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  flex-shrink: 0;
  height: 64px;
}

.dm-header-title {
  display: none;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-over-dither);
  flex-shrink: 0;
}

body.iframe-embed .dm-header-title {
  display: initial;
}

.dm-header-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gray);
  border: 1px solid var(--color-over-dither);
  flex-shrink: 0;
}

.status-dot.connected {
  background: var(--color-success);
}

.status-dot.connecting {
  background: var(--color-accent);
  animation: pulse 1s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

.status-text {
  font-size: 0.78rem;
  color: var(--color-fg);
  background: var(--color-bg);
  font-family: 'Courier New', monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0.1em;
}

.dm-header-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ── SD Card usage bar ──────────────────────────────────────── */
.sd-bar-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1.25rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-subtle);
  flex-shrink: 0;
}

.sd-label {
  font-size: 0.75rem;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-gray);
  white-space: nowrap;
}

.sd-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.sd-bar-fill {
  height: 100%;
  background: var(--color-accent);
  transition: width 0.4s;
}

.sd-size-text {
  font-size: 0.75rem;
  color: var(--color-gray);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ── Tabs ───────────────────────────────────────────────────── */
.dm-tabs {
  display: flex;
  border-bottom: var(--border);
  flex-shrink: 0;
  background: var(--color-bg);
}

.dm-tab {
  padding: 1rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  border-right: 1px solid var(--color-border-subtle);
  background: var(--color-bg);
  color: var(--color-gray);
  transition: background 0.1s, color 0.1s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.dm-tab:hover {
  background: var(--color-light);
  color: var(--color-fg);
}

.dm-tab.active {
  background: var(--color-fg);
  color: var(--color-bg);
}

/* ── Content area ───────────────────────────────────────────── */
.dm-content {
  flex: 1;
  overflow-y: auto;
  position: relative;
}

/* ── Empty / disconnected state ─────────────────────────────── */
.dm-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 0.75rem;
  color: var(--color-gray);
  padding: 2rem;
  text-align: center;
}

.dm-empty-icon {
  font-size: 2.5rem;
  opacity: 0.5;
}

.dm-empty h2 {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
}

.dm-empty p {
  font-size: 0.85rem;
  line-height: 1.5;
  max-width: 320px;
}

/* ── File list ──────────────────────────────────────────────── */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.file-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-light);
}

.file-list-title {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-gray);
}

.file-list {
  display: flex;
  flex-direction: column;
}

.file-item {
  display: flex;
  align-items: center;
  padding: 0.65rem 1.25rem;
  border-bottom: 1px solid var(--color-border-subtle);
  gap: 0.75rem;
  transition: background 0.1s;
}

.file-item:hover {
  background: var(--color-light);
}

.file-icon {
  font-size: 1rem;
  flex-shrink: 0;
  opacity: 0.7;
}

.file-name {
  flex: 1;
  font-size: 0.85rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size {
  font-size: 0.75rem;
  color: var(--color-gray);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.file-actions {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
}

.icon-btn {
  background: none;
  border: 1px solid transparent;
  padding: 0.25rem 0.4rem;
  cursor: pointer;
  color: var(--color-gray);
  font-size: 0.8rem;
  border-radius: 0;
  transition: border-color 0.1s, color 0.1s, background 0.1s;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.icon-btn:hover {
  border-color: var(--color-border);
  color: var(--color-fg);
  background: var(--color-light);
}

.icon-btn.delete:hover {
  border-color: #CC0000;
  color: #CC0000;
}

.empty-list {
  padding: 2rem;
  text-align: center;
  color: var(--color-gray);
  font-size: 0.85rem;
  font-style: italic;
}

/* ── Upload zone ────────────────────────────────────────────── */
.upload-zone {
  margin: 1rem 1.25rem;
  border: var(--border);
  border-style: dashed;
  padding: 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.upload-zone:hover {
  background: var(--color-light);
  box-shadow: var(--shadow-hard-sm);
}

.upload-zone.drag-over {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-hard);
}

.upload-icon {
  font-size: 1.5rem;
  opacity: 0.5;
}

.upload-hint {
  font-size: 0.82rem;
  color: var(--color-gray);
}

.upload-hint strong {
  color: var(--color-accent);
}

/* ── Sidecar picker (browser-only) ──────────────────────────── */
.sidecar-prompt {
  margin: 0 1.25rem 1rem;
  border: var(--border);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-hard-accent);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--color-accent-light);
}

.sidecar-prompt h4 {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sidecar-prompt p {
  font-size: 0.82rem;
  color: var(--color-gray);
}

.sidecar-file-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.82rem;
}

.sidecar-file-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Courier New', monospace;
}

/* ── Error banner ───────────────────────────────────────────── */
.error-banner {
  background: var(--color-accent);
  color: #FFF;
  padding: 0.6rem 1.25rem;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-shrink: 0;
}

.error-banner button {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #FFF;
  padding: 0.15rem 0.5rem;
  cursor: pointer;
  font-size: 0.75rem;
  white-space: nowrap;
}

/* ── Transfer footer ────────────────────────────────────────── */
.dm-footer {
  border-top: var(--border);
  padding: 0.65rem 1.25rem;
  background: var(--color-light);
  flex-shrink: 0;
  display: none;
}

.dm-footer.visible {
  display: block;
}

.transfer-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
  font-size: 0.8rem;
}

.transfer-filename {
  font-weight: 600;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.transfer-pct {
  color: var(--color-gray);
  font-variant-numeric: tabular-nums;
}

.transfer-bar-wrap {
  height: 6px;
  background: #DDD;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.transfer-bar-fill {
  height: 100%;
  background: var(--color-accent);
  transition: width 0.1s;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: var(--border);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  box-shadow: var(--shadow-hard-sm);
  white-space: nowrap;
}

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

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

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-fg);
}

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

/* ── Confirm modal ──────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal-box {
  background: var(--color-bg);
  border: var(--border);
  box-shadow: var(--shadow-hard);
  padding: 1.5rem;
  max-width: 360px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-box h3 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
}

.modal-box p {
  font-size: 0.85rem;
  color: var(--color-gray);
}

.modal-box .modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* ── Web Serial unavailable banner ──────────────────────────── */
.serial-unavailable {
  background: #FFD166;
  color: #111;
  padding: 0.6rem 1.25rem;
  font-size: 0.8rem;
  flex-shrink: 0;
  border-bottom: var(--border);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 700px) {

  .dm-header {
    padding: 0rem 1.25rem;
  }

  body.iframe-embed .dm-header-title,
  .dm-header-title {
    display: none;
  }
}