/* 3D reviews carousel styles */
.carousel3d {
  perspective: 1200px;
  position: relative;
  /* horizontal offset for prev/next buttons (negative moves them toward the stage) */
  --carousel-btn-offset: calc(var(--tile, 100px) * 0.6);
}
.reviews-carousel { position: relative; overflow: hidden; }
.reviews-list {
  position: relative;
  width: 100%;
  height: 520px;
  margin: 0;
  padding: 0;
  list-style: none;
  transform-style: preserve-3d;
  transition: transform 900ms cubic-bezier(.23,.91,.32,1);
}
.review-item {
  position: absolute;
  left: 50%;
  top: 50%;
  transform-origin: 50% 50%;
  transition: transform 900ms ease, opacity 400ms ease;
  width: 420px;
  margin: 0;
}

/* ensure backface is hidden and maintain 3D rendering context */
.review-item,
.review-item * {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform-style: preserve-3d;
  will-change: transform, opacity;
}

/* simple buttons */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  background: var(--dark);
  color: #fff;
  border: none;
  width: var(--tile, 100px);
  height: var(--tile, 100px);
  box-shadow: var(--shadow-1);
  font-size: 1.25rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  box-sizing: border-box;
  border-radius: var(--border-radius);
}
.carousel-btn.prev { left: var(--carousel-btn-offset); }
.carousel-btn.next { right: var(--carousel-btn-offset); }
.carousel-btn:hover,
.carousel-btn:focus { background: var(--primary); color: #fff; outline: none; }
/* Override instrument-block hover transform — buttons are absolutely positioned
   so the lift transform must keep the -50% centering intact */
.carousel-btn:hover, .carousel-btn:focus { transform: translateY(-50%); box-shadow: var(--shadow-2); }
.carousel-btn .arrow { font-size: 1.5rem; line-height: 1; display: inline-block; }

/* small-screen adjustments */
@media (max-width: 992px) {
  .review-item { width: 340px; }
  /* slightly reduce button offset on medium screens so they sit closer to the cards */
  .carousel3d { --carousel-btn-offset: calc(var(--tile, 100px) * 0.5); }
}
@media (max-width: 760px) {
  .review-item { width: 90%; }
  .carousel-btn { display: none; }
}

/* ── Leave a Review trigger button ──────────────────────────── */
.leave-review-btn {
  display: block;
  margin: 1.5rem auto 0;
  padding: 12px 32px;
  background: transparent;
  color: var(--text-color);
  border: 2px solid var(--text-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
}
.leave-review-btn:hover,
.leave-review-btn:focus {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  outline: none;
}

/* ── Review Form (injected into active carousel slot) ────────── */
.review-form-card {
  /* inherits .review-card from components.css; override only what's needed */
  padding: 32px 40px;
}

/* Title row: heading + × button side by side */
.review-form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.review-form-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-color);
  margin: 0;
}

/* Star selector */
.review-form-stars-wrap { margin-bottom: 14px; }

.review-form-stars-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-color);
  opacity: 0.7;
  margin-bottom: 6px;
}

.review-form-stars {
  display: inline-flex;
  gap: 4px;
  cursor: pointer;
}

.rfs {
  font-size: 2.2rem;
  line-height: 1;
  color: var(--text-color);
  opacity: 0.25;
  transition: color 120ms ease, opacity 120ms ease, transform 120ms ease;
  cursor: pointer;
  user-select: none;
}

.rfs.active {
  color: var(--primary);
  opacity: 1;
}

.rfs:hover {
  transform: scale(1.15);
}

/* Form layout */
.review-form {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
}

.review-form-field input,
.review-form-field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--border-radius);
  color: var(--text-color);
  padding: 10px 14px;
  font-size: 0.95rem;
  box-sizing: border-box;
  font-family: inherit;
  transition: border-color 150ms ease;
}

.review-form-field input:focus,
.review-form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.review-form-field input::placeholder,
.review-form-field textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

/* Textarea field grows to fill remaining space */
.review-form-field--grow {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.review-form-field--grow textarea {
  flex: 1;
  resize: none;
}

/* Actions row */
.review-form-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.review-form-submit,
.review-form-cancel {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms ease, filter 150ms ease;
}

.review-form-submit {
  background: var(--primary);
  color: #fff;
}

.review-form-submit:hover,
.review-form-submit:focus {
  filter: brightness(1.12);
  outline: none;
}

.review-form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  filter: none;
}

.review-form-cancel {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
}

.review-form-cancel:hover,
.review-form-cancel:focus {
  background: rgba(255, 255, 255, 0.2);
  outline: none;
}

/* Feedback message */
.review-form-feedback {
  font-size: 0.88rem;
  margin: 6px 0 0;
  min-height: 1.2em;
  text-align: center;
}

.review-form-feedback--error   { color: #ff6b6b; }
.review-form-feedback--success { color: #69db7c; }

/* ── Form close button (top-right, same 9-rect → × morph as navbar) ─ */
.review-form-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  transition: color 150ms ease;
  flex-shrink: 0;
}
.review-form-close:hover,
.review-form-close:focus {
  color: var(--primary);
  outline: none;
}
/* Rects permanently in the is-open (×) state */
.review-form-close svg rect {
  transform-box: fill-box;
  transform-origin: center;
}
.review-form-close svg rect:nth-child(2) { transform: translateY(140%) scale(0.2);  opacity: 0; }
.review-form-close svg rect:nth-child(4) { transform: translateX(140%) scale(0.2);  opacity: 0; }
.review-form-close svg rect:nth-child(6) { transform: translateX(-140%) scale(0.2); opacity: 0; }
.review-form-close svg rect:nth-child(8) { transform: translateY(-140%) scale(0.2); opacity: 0; }
.review-form-close svg rect:nth-child(1) { transform: rotate(45deg)  scaleY(0.30) scaleX(1.8); }
.review-form-close svg rect:nth-child(3) { transform: rotate(-45deg) scaleY(0.30) scaleX(1.8); }
.review-form-close svg rect:nth-child(5) { transform: rotate(45deg)  scaleY(0.30) scaleX(1.2); }
.review-form-close svg rect:nth-child(7) { transform: rotate(-45deg) scaleY(0.30) scaleX(1.8); }
.review-form-close svg rect:nth-child(9) { transform: rotate(45deg)  scaleY(0.30) scaleX(1.8); }

/* ── Leave-review button: slide-up/down animations ─────────────── */
.keyframes-preserve-note {
  /* This placeholder prevents some editors from collapsing the following keyframes block */
}
@keyframes leave-btn-hide {
  /* Fade and translate out while preserving layout space (use visibility to hide at end) */
  from { transform: translateY(0); opacity: 1; visibility: visible; }
  to   { transform: translateY(-8px); opacity: 0; visibility: hidden; }
}
@keyframes leave-btn-show {
  from { transform: translateY(-8px); opacity: 0; visibility: hidden; }
  to   { transform: translateY(0); opacity: 1; visibility: visible; }
}
.leave-review-btn.form-hiding {
  animation: leave-btn-hide 350ms cubic-bezier(.2,.9,.3,1) forwards;
  pointer-events: none;
}
.leave-review-btn.form-showing {
  animation: leave-btn-show 350ms cubic-bezier(.2,.9,.3,1) forwards;
}

/* ── Arrow toward-center + fade animations ──────────────────────── */
@keyframes arrow-to-center-prev {
  from { transform: translateY(-50%) translateX(0);    opacity: 1; }
  to   { transform: translateY(-50%) translateX(50px); opacity: 0; }
}
@keyframes arrow-to-center-next {
  from { transform: translateY(-50%) translateX(0);     opacity: 1; }
  to   { transform: translateY(-50%) translateX(-50px); opacity: 0; }
}
@keyframes arrow-from-center-prev {
  from { transform: translateY(-50%) translateX(50px); opacity: 0; }
  to   { transform: translateY(-50%) translateX(0);    opacity: 1; }
}
@keyframes arrow-from-center-next {
  from { transform: translateY(-50%) translateX(-50px); opacity: 0; }
  to   { transform: translateY(-50%) translateX(0);     opacity: 1; }
}

.carousel-btn.prev.form-hiding {
  animation: arrow-to-center-prev 350ms ease forwards;
  pointer-events: none;
}
.carousel-btn.next.form-hiding {
  animation: arrow-to-center-next 350ms ease forwards;
  pointer-events: none;
}
.carousel-btn.prev.form-showing {
  animation: arrow-from-center-prev 350ms ease forwards;
}
.carousel-btn.next.form-showing {
  animation: arrow-from-center-next 350ms ease forwards;
}

/* ── Review card replace animations (smooth swap when injecting the review form) ── */
.review-replace-exit {
  animation: review-replace-exit 220ms cubic-bezier(.2,.9,.3,1) forwards;
}
@keyframes review-replace-exit {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(-12px) scale(0.98); }
}

.review-replace-enter {
  animation: review-replace-enter 260ms cubic-bezier(.2,.9,.3,1) forwards;
}
@keyframes review-replace-enter {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Ensure newly-inserted form/card starts visually hidden until animated */
.review-item > * { opacity: 1; }

/* Moved from components.css: generic review list/card styles */
.reviews ul { list-style: none; padding: 0; }
.reviews li { background: var(--muted); border-radius: var(--border-radius); }

/* New Review Card Design (moved from components.css) */
.review-card {
  box-sizing: border-box;
  width: 100%;
  background: var(--muted);
  border-radius: 0;
  padding: 40px;
  display: flex;
  flex-direction: column;
  min-height: 500px;
  max-height: 500px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  border-radius: var(--border-radius);
}

.review-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
}

.review-photo-wrap {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
}

/* If the image is intentionally omitted, collapse the wrapper so the
   name/title take the image's space and use the full width. */
.review-photo-wrap:empty {
  display: none;
}

/* When the photo wrapper is hidden, remove the extra top padding that
   vertically shifted the teacher info for the avatar layout. */
.review-photo-wrap:empty + .review-teacher-info {
  padding-top: 0;
}

.review-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary);
  display: block;
}

.review-teacher-info {
  flex: 1;
  padding-top: 10px;
}

.review-name {
  margin: 0 0 5px 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
}

.review-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
  margin: 0;
}

.review-text {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-color);
  flex: 1;
  margin: 0 0 30px 0;
}

.review-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text-color);
  padding: 12px 24px;
  border-radius: 0;
  align-self: flex-start;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border-radius: var(--border-radius);
}

.reviewer-name {
  font-weight: 600;
  color: var(--dark);
  font-size: 1rem;
}

.review-rating {
  display: inline-flex;
  gap: 2px;
}

.review-rating .star {
  color: var(--primary);
  font-size: 1.2rem;
}

.review-rating .star.empty {
  color: var(--muted);
}

@media (max-width:760px) {
  .reviews-list { justify-content: center; }
  .review-item { flex: 0 0 90%; width: 90%; }
  .review-photo-wrap { width: 56px; height: 56px; }
  .review-photo { width: 56px; height: 56px; }
}