/* ══════════════════════════════════════════════
   Courage Audio Tagging — Apple-Inspired Theme
   (Refactored — visibility & compat fixes)
   ══════════════════════════════════════════════ */

/* ─── Design Tokens ─────────────────────────── */

:root {
  /* Surfaces */
  --clr-bg:             #ffffff;
  --clr-surface:        #f8f9fa;
  --clr-surface-raised: #ffffff;
  --clr-surface-input:  #ffffff;
  --clr-fill:           rgba(0, 0, 0, 0.08);
  --clr-fill-secondary: rgba(0, 0, 0, 0.05);

  /* Skeleton */
  --clr-skeleton-a:     rgba(0, 0, 0, 0.08);
  --clr-skeleton-b:     rgba(0, 0, 0, 0.15);

  /* Text */
  --clr-text:           #1d1d1f;
  --clr-text-secondary: #6e6e73;
  --clr-text-tertiary:  #86868b;

  /* Accent */
  --clr-accent:         #007aff;
  --clr-accent-hover:   #0056cc;
  --clr-accent-dim:     rgba(0, 122, 255, 0.1);

  /* Danger */
  --clr-danger:         #ff3b30;

  /* Borders */
  --clr-separator:      rgba(0, 0, 0, 0.1);
  --clr-separator-soft: rgba(0, 0, 0, 0.06);

  /* Shadows */
  --shadow-card:  0 2px 20px rgba(0, 0, 0, 0.08);
  --shadow-modal: 0 10px 60px rgba(0, 0, 0, 0.15);

  /* Radii */
  --radius-sm:   10px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   22px;
  --radius-pill: 980px;

  /* Motion */
  --ease:        cubic-bezier(.28, .11, .32, 1);
  --speed-fast:  150ms;
  --speed-norm:  250ms;

  /* Spacing */
  --page-pad:  32px;
  --panel-pad: 32px;
  --panel-max: 640px;
}


/* ─── Reset ─────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

* {
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100dvh;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text",
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.01em;
  color: var(--clr-text);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.modal-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}


/* ─── Utilities ─────────────────────────────── */

.hidden {
  display: none !important;
}

/* FIX 1: Added clip-path (modern) alongside deprecated clip (fallback) */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;   /* legacy fallback           */
  clip-path: inset(50%) !important;     /* modern — actually hides   */
  white-space: nowrap !important;
  border: 0 !important;
}


/* ─── Page Layout ───────────────────────────── */

.page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: var(--page-pad);
}


/* ─── Panel ─────────────────────────────────── */

.panel {
  width: 100%;
  max-width: var(--panel-max);
  background: var(--clr-surface);
  border-radius: var(--radius-xl);
  padding: var(--panel-pad);
  box-shadow: var(--shadow-card);
}

.panel__title {
  font-family: "Outfit", "Inter", -apple-system, system-ui, sans-serif;
  font-size: clamp(1.6rem, 3vw + .3rem, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--clr-text);
}

.panel__subtitle {
  margin-block: 8px 24px;
  color: var(--clr-text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}


/* ─── Status ────────────────────────────────── */

.status {
  min-height: 22px;
  margin-bottom: 14px;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  color: var(--clr-accent);
  overflow-wrap: anywhere;
  transition: color var(--speed-norm) var(--ease);
}

.status.error {
  color: var(--clr-danger);
}


/* ─── Audio Container ───────────────────────── */

.audio-container {
  position: relative;
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 18px;
  background: var(--clr-surface-raised);
}

.audio-container__player {
  width: 100%;
  min-height: 44px;
  border-radius: var(--radius-sm);
  /* FIX 5: Smooth crossfade instead of hard display toggle */
  opacity: 1;
  transition: opacity var(--speed-norm) var(--ease);
}

/* FIX 5: Fade out player while loading instead of display:none */
.audio-container.is-loading .audio-container__player {
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

/* FIX 5: Fade out skeleton when not loading */
.skeleton {
  border-radius: var(--radius-sm);
  background: linear-gradient(
    90deg,
    var(--clr-skeleton-a) 25%,
    var(--clr-skeleton-b) 45%,
    var(--clr-skeleton-a) 65%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
  opacity: 1;
  transition: opacity var(--speed-norm) var(--ease);
}

.audio-container:not(.is-loading) .skeleton {
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

.skeleton--title {
  width: 40%;
  height: 16px;
  margin-bottom: 14px;
}

.skeleton--bar {
  width: 100%;
  height: 44px;
}

@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}


/* ─── Tag Form ──────────────────────────────── */

.tag-form {
  display: grid;
  gap: 14px;
}

.tag-form__label {
  font-weight: 600;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--clr-text-secondary);
}


/* ─── Tag Chips Area ────────────────────────── */

.tag-chips {
  min-height: 48px;
  max-height: 140px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 12px;
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  background: var(--clr-surface-raised);
}


/* ─── Tag Chip ──────────────────────────────── */

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.2;
  background: var(--clr-accent);
  color: #fff;
  animation: chip-in var(--speed-norm) var(--ease);
}

@keyframes chip-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.tag-chip__remove {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background var(--speed-fast) var(--ease);
}

.tag-chip__remove:hover {
  background: rgba(255, 255, 255, 0.5);
}

.tag-chip__remove:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 1px;
}


/* ─── Tag Input ─────────────────────────────── */

.tag-form__input {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 17px;
  font-family: inherit;
  letter-spacing: -0.01em;
  background: var(--clr-surface-raised);
  color: var(--clr-text);
  box-shadow: 0 0 0 3px var(--clr-accent-dim), 0 0 0 1px rgba(0, 122, 255, 0.45);
  transition: box-shadow var(--speed-fast) var(--ease);
}

.tag-form__input::placeholder {
  color: var(--clr-text-tertiary);
}

.tag-form__input:focus {
  outline: none;
  box-shadow: 0 0 0 4px var(--clr-accent-dim), 0 0 0 1px var(--clr-accent);
}


/* ─── Suggestion Toggle ─────────────────────── */

.suggestion-toggle {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--clr-surface-raised);
}

.suggestion-toggle__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--clr-text);
  cursor: pointer;
}

.suggestion-toggle__input {
  width: 18px;
  height: 18px;
  accent-color: var(--clr-accent);
}

.suggestion-toggle__note {
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--clr-text-tertiary);
}


/* ─── Suggestions ───────────────────────────── */

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 0;
}

.suggestion-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--clr-fill);
  color: var(--clr-accent);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--speed-fast) var(--ease);
}

.suggestion-chip:hover {
  background: var(--clr-accent-dim);
}

.suggestion-chip:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 2px;
}

.suggestion-note {
  color: var(--clr-text-tertiary);
  font-size: 0.82rem;
}


/* ─── Hint Text ─────────────────────────────── */

.tag-form__hint {
  color: var(--clr-text-tertiary);
  font-size: 0.76rem;
  line-height: 1.5;
}

.tag-form__hint kbd {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--clr-fill-secondary);
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 0.85em;
  color: var(--clr-text-secondary);
}


/* ─── Buttons ───────────────────────────────── */

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 48px;
  padding: 12px 24px;
  border: 0;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  transition:
    filter var(--speed-fast) var(--ease),
    transform var(--speed-fast) var(--ease);
}

.btn:active:not(:disabled) {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 3px;
}

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

.btn--primary:hover:not(:disabled) {
  filter: brightness(1.1);
}

.btn--secondary {
  background: var(--clr-fill);
  color: var(--clr-accent);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--clr-fill-secondary);
}


/* ─── Modal Backdrop ────────────────────────── */

/* FIX 2 + 6: Use visibility + opacity instead of display toggle
   → allows CSS transition on backdrop
   → properly removes from interaction when hidden
   → accessible: aria-hidden on the element pairs with this        */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;                           /* always flex          */
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: rgba(0, 0, 0, 0.72);
  visibility: hidden;                      /* hidden by default    */
  opacity: 0;                              /* transparent          */
  pointer-events: none;                    /* click-through        */
  transition:
    opacity var(--speed-norm) var(--ease),
    visibility var(--speed-norm);
}

.modal-backdrop.show {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}


/* ─── Modal Card ────────────────────────────── */

.modal-card {
  width: min(560px, 100%);
  background: var(--clr-surface);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-modal);
  /* FIX 2: also transition the card for smooth entrance */
  transform: scale(0.97) translateY(8px);
  transition:
    transform var(--speed-norm) var(--ease),
    opacity var(--speed-norm) var(--ease);
}

.modal-backdrop.show .modal-card {
  animation: modal-in var(--speed-norm) var(--ease) forwards;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: scale(0.97) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-card__title {
  margin-bottom: 14px;
  font-family: "Outfit", "Inter", -apple-system, system-ui, sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--clr-text);
}

.modal-card__image {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: var(--clr-surface-raised);
  margin-bottom: 16px;
}

.modal-card__body {
  display: grid;
  gap: 8px;
  color: var(--clr-text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

.modal-card__body p {
  margin: 0;
}

.modal-card__body strong {
  color: var(--clr-text);
  font-weight: 600;
}

.modal-card__body code {
  padding: 2px 7px;
  border-radius: 5px;
  background: var(--clr-fill-secondary);
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 0.88em;
  color: var(--clr-accent);
}

.modal-card > .btn {
  margin-top: 20px;
  width: 100%;
}


/* ─── Confirm Modal ─────────────────────────── */

.confirm-modal__body {
  margin-bottom: 16px;
}

.confirm-modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--clr-surface-raised);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--clr-accent);
  overflow-wrap: anywhere;
}


/* ─── Toast ─────────────────────────────────── */

/* FIX 3: pointer-events auto when visible, none when hidden */

.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  z-index: 1200;
  max-width: min(340px, calc(100vw - 40px));
  padding: 14px 20px;
  border-radius: var(--radius-lg);
  background: #1f9d48;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.88rem;
  box-shadow: var(--shadow-modal);
  visibility: hidden;
  opacity: 0;
  transform: translate(-50%, -12px);
  pointer-events: none;
  transition:
    transform var(--speed-norm) var(--ease),
    opacity var(--speed-norm) var(--ease),
    visibility var(--speed-norm);
}

.toast.show {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.toast.error {
  background: var(--clr-danger);
  color: #ffffff;
}


/* ─── Responsive — Tablet ───────────────────── */

/* FIX 4: Use max-width (universal support) instead of (width <= N) */

@media (max-width: 768px) {
  :root {
    --page-pad:  20px;
    --panel-pad: 24px;
  }

  .page {
    align-items: start;
    padding-top: 32px;
  }

  .modal-backdrop {
    align-items: start;
    padding: 16px;
  }

  .modal-card {
    margin-top: 8vh;
    margin-bottom: 20px;
  }
}


/* ─── Responsive — Mobile ───────────────────── */

@media (max-width: 640px) {
  :root {
    --page-pad:  0;
    --panel-pad: 20px;
  }

  body {
    font-size: 16px;
  }

  .page {
    padding-top: 0;
  }

  .panel {
    border-radius: 0;
    box-shadow: none;
  }

  .panel__subtitle {
    font-size: 0.88rem;
  }

  .audio-container {
    padding: 12px;
    margin-bottom: 14px;
  }

  .modal-card {
    padding: 20px;
    border-radius: var(--radius-lg);
  }

  .modal-card__title {
    font-size: 1.2rem;
  }

  .modal-card__image {
    max-height: 200px;
    margin-bottom: 12px;
  }

  .tag-form__input {
    font-size: 16px;
  }

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

  .actions .btn {
    width: 100%;
  }

  .tag-chip {
    font-size: 0.8rem;
    padding: 6px 12px;
  }

  .tag-chip__remove {
    width: 20px;
    height: 20px;
  }

  .suggestion-chip {
    min-height: 36px;
    font-size: 0.8rem;
  }

  .toast {
    top: 14px;
    left: 50%;
    max-width: none;
    width: calc(100vw - 40px);
  }
}


/* ─── Responsive — Compact ──────────────────── */

@media (max-width: 400px) {
  :root {
    --panel-pad: 16px;
  }

  .panel__title {
    font-size: 1.4rem;
  }

  .status {
    font-size: 0.8rem;
  }

  .tag-form__hint {
    font-size: 0.72rem;
  }

  .modal-card__image {
    max-height: 170px;
  }
}


/* ─── Reduced Motion ────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .toast {
    transition: none;
  }
}