/* ======================================================================
 * MediaScan shared app polish
 * Global focus rings, icon system, command palette, review polish
 * ====================================================================== */

/* -- Global focus-visible: prominent, keyboard-only -- */
:focus-visible {
  outline: 3px solid var(--bs-primary);
  outline-offset: 2px;
  border-radius: 3px;
}
/* Avoid doubling the outline on buttons where Bootstrap already has a shadow */
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.form-check-input:focus-visible {
  box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.35);
}

/* -- Icon system baseline -- */
.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  fill: currentColor;
  stroke: currentColor;
  flex-shrink: 0;
}
.icon-lg { width: 1.5em; height: 1.5em; }
.icon-xl { width: 2em; height: 2em; }

/* -- Screen-reader-only utility -- */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* -- Skip link for screen readers / keyboard users -- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: var(--bs-primary);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0 0 0.25rem 0.25rem;
  text-decoration: none;
}
.skip-link:focus {
  left: 1rem;
}

/* -- Author trust pill -- */
.author-trust {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  background: var(--bs-secondary-bg);
  color: var(--bs-secondary-color);
  border: 1px solid var(--bs-border-color);
}
.author-trust.trust-high { background: rgba(25, 135, 84, 0.15); color: #75b798; border-color: rgba(25, 135, 84, 0.3); }
.author-trust.trust-med { background: rgba(255, 193, 7, 0.12); color: #ffda6a; border-color: rgba(255, 193, 7, 0.3); }
.author-trust.trust-low { background: rgba(220, 53, 69, 0.12); color: #ea868f; border-color: rgba(220, 53, 69, 0.3); }

/* -- Keyboard shortcut hint bar (dismissible) -- */
.kbd-hint {
  position: sticky;
  top: 0.5rem;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  background: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 0.35rem;
  color: var(--bs-secondary-color);
}
.kbd-hint kbd {
  background: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 0.2rem;
  padding: 0 0.3rem;
  font-size: 0.75rem;
  font-family: monospace;
}

/* -- Undo toast (grid-level review undo) -- */
.review-undo-toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1080;
  background: var(--bs-dark, #212529);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 90vw;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.review-undo-toast[hidden] { display: none !important; }
.review-undo-toast .ru-btn {
  background: var(--bs-primary);
  color: #fff;
  border: none;
  padding: 0.3rem 0.85rem;
  border-radius: 0.25rem;
  cursor: pointer;
  font-weight: 500;
}
.review-undo-toast .ru-timer {
  font-size: 0.8rem;
  opacity: 0.7;
  font-variant-numeric: tabular-nums;
}

/* -- Floating source-action bar -- */
.source-actionbar {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1040;
  background: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.source-actionbar[hidden] { display: none !important; }
.source-actionbar .count-pill {
  padding: 0.15rem 0.6rem;
  background: var(--bs-primary);
  color: #fff;
  border-radius: 999px;
  font-size: 0.8rem;
}

/* -- Password strength meter -- */
.pw-strength {
  display: flex;
  gap: 3px;
  margin-top: 4px;
}
.pw-strength__seg {
  flex: 1;
  height: 4px;
  background: var(--bs-secondary-bg);
  border-radius: 2px;
  transition: background 0.15s ease;
}
.pw-strength--weak .pw-strength__seg:nth-child(1) { background: var(--bs-danger); }
.pw-strength--medium .pw-strength__seg:nth-child(-n+2) { background: var(--bs-warning); }
.pw-strength--strong .pw-strength__seg { background: var(--bs-success); }
.pw-strength__label {
  font-size: 0.75rem;
  margin-top: 2px;
  color: var(--bs-secondary-color);
}

/* -- Secret reveal button -- */
.secret-field {
  position: relative;
}
.secret-field .form-control {
  padding-right: 5rem;
}
.secret-field__reveal {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 0;
  color: var(--bs-secondary-color);
  padding: 0.25rem 0.4rem;
  cursor: pointer;
}
.secret-field__reveal:hover { color: var(--bs-body-color); }
.secret-field__status {
  position: absolute;
  right: 2.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--bs-secondary-color);
  pointer-events: none;
}

/* ======================================================================
 *  COMMAND PALETTE
 * ====================================================================== */
.cmd-palette {
  position: fixed;
  inset: 0;
  z-index: 1090;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10vh;
}
.cmd-palette[hidden] { display: none; }
.cmd-palette__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
}
.cmd-palette__panel {
  position: relative;
  width: min(640px, 92vw);
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  background: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 0.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}
.cmd-palette__searchbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--bs-border-color);
}
.cmd-palette__search-icon { color: var(--bs-secondary-color); }
.cmd-palette__input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--bs-body-color);
  font-size: 1rem;
}
.cmd-palette__kbd,
.cmd-palette__footer kbd {
  padding: 0 0.35rem;
  font-size: 0.7rem;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.25rem;
  background: var(--bs-tertiary-bg);
  font-family: monospace;
  color: var(--bs-secondary-color);
}
.cmd-palette__list {
  flex: 1;
  overflow-y: auto;
  margin: 0;
  padding: 0.25rem 0;
  list-style: none;
}
.cmd-palette__section-header {
  padding: 0.35rem 0.85rem 0.15rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bs-secondary-color);
  font-weight: 600;
}
.cmd-palette__item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  color: var(--bs-body-color);
  text-decoration: none;
  user-select: none;
}
.cmd-palette__item .icon {
  color: var(--bs-secondary-color);
  width: 1.1em;
  height: 1.1em;
}
.cmd-palette__item--active {
  background: rgba(var(--bs-primary-rgb), 0.18);
}
.cmd-palette__item--active .icon { color: var(--bs-primary); }
.cmd-palette__item-label { flex: 1; }
.cmd-palette__item-kind {
  font-size: 0.7rem;
  color: var(--bs-secondary-color);
  opacity: 0.7;
}
.cmd-palette__empty {
  padding: 1rem;
  text-align: center;
  color: var(--bs-secondary-color);
}
.cmd-palette__footer {
  display: flex;
  gap: 0.75rem;
  padding: 0.35rem 0.85rem;
  border-top: 1px solid var(--bs-border-color);
  font-size: 0.75rem;
  color: var(--bs-secondary-color);
  background: var(--bs-tertiary-bg);
}

/* Palette trigger button in navbar */
.cmd-trigger {
  background: transparent;
  border: 1px solid var(--bs-border-color);
  color: var(--bs-secondary-color);
  border-radius: 0.35rem;
  padding: 0.2rem 0.55rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  cursor: pointer;
}
.cmd-trigger:hover { color: var(--bs-body-color); }
.cmd-trigger kbd {
  padding: 0 0.25rem;
  font-family: monospace;
  font-size: 0.7rem;
  background: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 0.2rem;
}

/* First-visit hint (bottom-right toast) */
.cmd-hint {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1085;
  background: var(--bs-dark, #212529);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  max-width: 320px;
  display: flex;
  align-items: center;
}
.cmd-hint[hidden] { display: none; }
.cmd-hint kbd {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0 0.3rem;
  border-radius: 0.2rem;
  margin: 0 0.1rem;
  font-family: monospace;
}

/* Mobile: hide cmd-trigger shortcut hint */
@media (max-width: 576px) {
  .cmd-trigger kbd { display: none; }
  .cmd-hint { right: 10px; bottom: 70px; left: 10px; max-width: none; }
}

/* ======================================================================
 *  LIGHTBOX MODAL
 *  Works alongside inline sizing on #lightbox-modal; this adds dialog
 *  chrome (close button, focus ring) without overriding existing layout.
 * ====================================================================== */
.lightbox-modal[role="dialog"] {
  /* Centering + backdrop already set inline for backward compat;
     ensure stacking + cursor hint remain consistent. */
  z-index: 9999;
}
.lightbox-modal .close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}
.lightbox-modal .close-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}
.lightbox-modal .close-btn:focus-visible {
  outline: 3px solid var(--bs-primary);
  outline-offset: 2px;
}