/* ══════════════════════════════════════════════════════════════
   IMGSWIFT v7 — FEATURES.CSS
   ① Clipboard Paste styles
   ② Keyboard Shortcuts tooltip + button
   ③ Error Recovery banners + thumb badges
══════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════
   ① CLIPBOARD PASTE
═══════════════════════════════════════ */

/* Paste hint bar — slides in from bottom */
#pasteHintBar {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card2);
  border: 1px solid var(--border2);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-2);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 8000;
  max-width: 420px;
  width: calc(100% - 32px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s, transform 0.35s cubic-bezier(0.16,1,0.3,1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

#pasteHintBar.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.paste-hint-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.paste-hint-text {
  flex: 1;
  line-height: 1.5;
}

.paste-hint-text strong {
  color: var(--text);
  font-weight: 700;
}

.paste-hint-close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 6px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}

.paste-hint-close:hover {
  color: var(--text);
  background: var(--border);
}

/* kbd styling (used in paste hint + shortcut tooltip) */
kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  background: var(--card);
  border: 1px solid var(--border2);
  border-bottom-width: 2px;
  border-radius: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--text);
  box-shadow: 0 1px 0 var(--border2);
}

/* Flash animation on upload area when paste hits */
.upload-area.paste-flash {
  animation: pasteFlash 0.55s ease forwards;
}

@keyframes pasteFlash {
  0%   { border-color: var(--green); background: rgba(45,212,160,0.08); box-shadow: 0 0 0 4px rgba(45,212,160,0.15); }
  60%  { border-color: var(--green); background: rgba(45,212,160,0.04); }
  100% { border-color: var(--border2); background: var(--input-bg); box-shadow: none; }
}

/* ═══════════════════════════════════════
   ② KEYBOARD SHORTCUTS
═══════════════════════════════════════ */

/* Shortcut button in nav */
#shortcutsBtn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.18s, color 0.18s, transform 0.18s;
  flex-shrink: 0;
  margin-left: 4px;
}

#shortcutsBtn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.08);
}

/* Shortcuts tooltip panel */
#shortcutsTooltip {
  position: fixed;
  top: 60px;
  right: 16px;
  background: var(--card2);
  border: 1px solid var(--border2);
  border-radius: 14px;
  padding: 16px 18px;
  z-index: 9000;
  min-width: 240px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  transform: translateY(-8px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.22s, transform 0.22s cubic-bezier(0.16,1,0.3,1);
}

#shortcutsTooltip.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.sc-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.sc-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-2);
}

.sc-row:last-child { margin-bottom: 0; }

.sc-row kbd + kbd { margin-left: 2px; }

.sc-row span {
  color: var(--muted);
  font-size: 12px;
  margin-left: auto;
}

/* ═══════════════════════════════════════
   ③ ERROR RECOVERY
═══════════════════════════════════════ */

/* Recovery banner */
#recoveryBanner {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 14px;
  margin: 12px 0;
  animation: bannerIn 0.4s cubic-bezier(0.16,1,0.3,1) both;
  border: 1px solid;
}

@keyframes bannerIn {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

#recoveryBanner.partial {
  background: rgba(245,158,11,0.07);
  border-color: rgba(245,158,11,0.25);
}

#recoveryBanner.error {
  background: rgba(248,113,113,0.07);
  border-color: rgba(248,113,113,0.25);
}

.recovery-icon {
  font-size: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}

.recovery-body {
  flex: 1;
  min-width: 0;
}

.recovery-body strong {
  display: block;
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}

.recovery-errors {
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.recovery-err-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  padding: 6px 10px;
  background: var(--input-bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.recovery-err-file {
  font-weight: 700;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
  flex-shrink: 0;
}

.recovery-err-msg {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.recovery-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.recovery-retry-btn {
  padding: 7px 16px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.18s, transform 0.18s;
}

.recovery-retry-btn:hover {
  background: var(--accent-d);
  transform: translateY(-1px);
}

.recovery-dismiss-btn {
  padding: 7px 14px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border2);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.18s, border-color 0.18s;
}

.recovery-dismiss-btn:hover {
  color: var(--text);
  border-color: var(--text-2);
}

/* Thumb state badges (✓ / ✕ overlays on preview grid) */
.thumb-state-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 900;
  border: 2px solid var(--bg);
  pointer-events: none;
  animation: badgePop 0.35s cubic-bezier(0.34,1.56,0.64,1) both;
  z-index: 2;
}

.thumb-state-success {
  background: var(--green);
  color: #fff;
}

.thumb-state-error {
  background: var(--red);
  color: #fff;
}

@keyframes badgePop {
  from { opacity: 0; transform: scale(0); }
  to   { opacity: 1; transform: scale(1); }
}

/* Dim failed thumbnails */
.thumb-wrap:has(.thumb-state-error) .thumb {
  opacity: 0.45;
  filter: saturate(0.3);
}

/* Retry progress inline */
.retry-progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.retry-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* ═══════════════════════════════════════
   LIGHT THEME OVERRIDES
═══════════════════════════════════════ */
[data-theme="light"] #pasteHintBar,
[data-theme="light"] #shortcutsTooltip {
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

[data-theme="light"] kbd {
  background: #f0f4fa;
  border-color: #c8d0e4;
  color: #0f172a;
}

[data-theme="light"] #recoveryBanner.partial {
  background: rgba(245,158,11,0.05);
}

[data-theme="light"] #recoveryBanner.error {
  background: rgba(248,113,113,0.05);
}

/* ═══════════════════════════════════════
   MOBILE
═══════════════════════════════════════ */
@media (max-width: 520px) {
  #pasteHintBar {
    bottom: 90px;
    font-size: 12px;
  }

  #shortcutsTooltip {
    right: 8px;
    left: 8px;
    min-width: unset;
  }

  .recovery-err-file {
    max-width: 110px;
  }

  #shortcutsBtn {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }
}