/* ============================================================
   TutorEnglishPro - Reviews (clean card carousel)
   Warm orange/peach theme matching styles.css tokens.
   Cards: half-star ratings, verified badges, gradient avatars,
   touch-swipe carousel with arrows + dots.
   ============================================================ */

/* ---------- Public section ---------- */
.rv-section .sec-head { margin-bottom: 34px; }
.rv-section .sec-head .lead { max-width: 560px; }

/* Clean rating summary banner */
.rv-summary {
  display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 30px 44px;
  background: linear-gradient(135deg, #ffffff, #fff6ee);
  background:
    radial-gradient(420px 200px at 0% 0%, color-mix(in srgb, var(--c-accent) 10%, transparent), transparent 60%),
    linear-gradient(135deg, var(--c-surface), color-mix(in srgb, var(--c-soft) 55%, #fff));
  border: 1px solid var(--c-card-border); border-radius: 24px;
  padding: 36px 42px; margin-bottom: 34px; box-shadow: var(--shadow-sm);
}
.rv-sum-big {
  display: flex; align-items: flex-end; gap: 8px;
  font-family: var(--font-h); font-size: clamp(3.2rem, 6vw, 4.6rem); font-weight: 800; line-height: .9;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  white-space: nowrap;
}
.rv-sum-of { font-size: 1.1rem; font-weight: 700; color: var(--c-ink-3); letter-spacing: 0; -webkit-text-fill-color: var(--c-ink-3); }
.rv-sum-right {
  display: flex; flex-direction: column; gap: 14px; min-width: 0;
  padding-left: 38px; border-left: 1px solid var(--c-card-border);
}
.rv-sum-rate { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.rv-sum-based { font-size: .96rem; color: var(--c-ink-2); font-weight: 600; }
.rv-sum-based strong { color: var(--c-ink); font-family: var(--font-h); font-weight: 800; }
.rv-sum-sub { font-size: .82rem; color: var(--c-ink-3); font-weight: 600; }

/* Rating distribution bars */
.rv-dist { display: flex; flex-direction: column; gap: 6px; max-width: 320px; }
.rv-dist-row { display: grid; grid-template-columns: 32px 1fr 26px; align-items: center; gap: 10px; font-size: .82rem; color: var(--c-ink-3); font-weight: 700; cursor: pointer; border-radius: 10px; padding: 2px 4px; margin: 0 -4px; transition: background .15s; }
.rv-dist-row:hover { background: rgba(232, 114, 74, .09); }
.rv-dist-row:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }
.rv-dist-row.on .rv-dist-label, .rv-dist-row.on .rv-dist-num { color: var(--c-accent); }
.rv-dist-track { height: 8px; border-radius: 8px; background: #f0e4db; background: color-mix(in srgb, var(--c-ink-3) 12%, transparent); overflow: hidden; }
.rv-dist-fill { display: block; height: 100%; border-radius: 8px; background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2)); }
.rv-dist-num { text-align: right; }

/* Filter chips */
.rv-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.rv-chip {
  border: 1px solid var(--c-card-border); background: var(--c-surface); color: var(--c-ink-2);
  font-family: inherit; font-size: .78rem; font-weight: 700; padding: 6px 12px; border-radius: 20px;
  cursor: pointer; transition: background .15s, color .15s, border-color .15s, transform .15s;
}
.rv-chip:hover { border-color: var(--c-accent); color: var(--c-accent); transform: translateY(-1px); }
.rv-chip.on { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.rv-chip:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

/* ---------- Stars ---------- */
.rv-stars { display: inline-flex; gap: 3px; align-items: center; }
.rv-stars svg { width: 17px; height: 17px; fill: none; stroke: var(--c-ink-3); }
.rv-stars svg.on { fill: #F5A623; stroke: #F5A623; }
.rv-st { position: relative; display: inline-block; width: 17px; height: 17px; flex: 0 0 auto; }
.rv-st .rv-st-bg { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: color-mix(in srgb, var(--c-ink-3) 42%, transparent); }
.rv-st .rv-st-fill { position: absolute; top: 0; left: 0; height: 100%; overflow: hidden; }
.rv-st .rv-st-fill svg { position: absolute; top: 0; left: 0; width: 17px; height: 17px; fill: #F5A623; stroke: #F5A623; }

/* ---------- Carousel + cards ---------- */
.rv-carousel { position: relative; padding: 4px 0 2px; }
#reviews-list.rv-grid { display: block; overflow: hidden; touch-action: pan-y; }
#reviews-list { cursor: grab; }
#reviews-list.rv-grabbing { cursor: grabbing; }

.rv-track {
  display: flex; gap: 18px;
  transition: transform .6s cubic-bezier(.34, .06, .2, 1);
  will-change: transform;
}
.rv-track.rv-drag { transition: none; }

/* Static (filtered to few reviews): wrap the cards instead of sliding */
#reviews-list.rv-static .rv-track { flex-wrap: wrap; justify-content: center; }
#reviews-list.rv-static .rv-card:hover { transform: none; }

.rv-track .rv-card {
  flex: 0 0 calc((100% - 54px) / 4);
  min-width: 0; margin: 0;
  padding: 30px 26px 24px;
  border-radius: 22px;
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  background: var(--c-surface);
  background:
    radial-gradient(140px 90px at 100% 0%, color-mix(in srgb, var(--rv-top, var(--c-accent)) 9%, transparent), transparent 65%),
    var(--c-surface);
  border: 1px solid var(--c-card-border);
  box-shadow: var(--shadow-sm);
  transition: transform .3s cubic-bezier(.22, 1, .36, 1), box-shadow .3s, border-color .3s;
}
.rv-track .rv-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--rv-top, var(--c-accent)), color-mix(in srgb, var(--rv-top, var(--c-accent)) 35%, var(--c-accent-2)));
}
.rv-track .rv-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--rv-top, var(--c-accent)) 40%, var(--c-card-border));
  box-shadow: var(--shadow-md), 0 28px 52px -28px color-mix(in srgb, var(--rv-top, var(--c-accent)) 55%, transparent);
}
.rv-track .rv-card .rv-quote {
  position: absolute; top: 20px; right: 22px; width: 30px; height: 30px;
  color: var(--rv-top, var(--c-accent)); opacity: .16;
}
.rv-track .rv-card .rv-quote svg { width: 30px; height: 30px; fill: currentColor; }
.rv-track .rv-card .rv-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.rv-track .rv-card .rv-rating { display: inline-flex; }
.rv-track .rv-card .rv-date { font-size: .74rem; font-weight: 600; color: var(--c-ink-3); white-space: nowrap; }
.rv-track .rv-card .rv-text {
  flex: 1; margin: 0 0 18px;
  font-size: .97rem; line-height: 1.68; color: var(--c-ink-2);
}
.rv-track .rv-card .rv-author {
  display: flex; align-items: center; gap: 12px; padding-top: 16px;
  border-top: 1px solid var(--c-border); margin-top: auto;
}
.rv-avatar-wrap { position: relative; flex: 0 0 auto; }
.rv-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-size: 1rem; letter-spacing: .4px;
  color: #fff; box-shadow: 0 0 0 3px var(--c-surface), 0 0 0 4px var(--c-card-border);
}
.rv-avatar-dot {
  position: absolute; right: 1px; bottom: 1px; width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--c-surface); background: #16a34a;
}
.rv-author .rv-meta { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.rv-name { font-size: .98rem; font-weight: 800; color: var(--c-ink); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rv-author .rv-date-sub { font-size: .73rem; color: var(--c-ink-3); font-weight: 600; }
.rv-vbadge {
  font-size: .6rem; font-weight: 800; color: #047857; background: color-mix(in srgb, #10b981 14%, transparent);
  border: 1px solid color-mix(in srgb, #10b981 30%, transparent);
  padding: 3px 8px; border-radius: 20px; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 4px;
}
.rv-vbadge.none { color: var(--c-ink-3); background: var(--c-soft); border-color: var(--c-card-border); }

/* Controls */
.rv-car-controls { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 30px; }
.rv-car-btn {
  width: 48px; height: 48px; border-radius: 50%; cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--c-accent) 50%, var(--c-card-border));
  background: var(--c-surface); color: var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  transition: transform .18s, background .18s, color .18s, box-shadow .18s;
  box-shadow: var(--shadow-sm);
}
.rv-car-btn svg { width: 21px; height: 21px; }
.rv-car-btn:hover { background: var(--c-accent); color: #fff; transform: scale(1.08); }
.rv-car-btn:active { transform: scale(.95); }
.rv-car-btn:disabled { opacity: .35; cursor: default; transform: none; box-shadow: none; }
.rv-car-dots { display: flex; gap: 9px; align-items: center; }
.rv-dot {
  width: 8px; height: 8px; border-radius: 20px; cursor: pointer; padding: 0; border: 0;
  background: color-mix(in srgb, var(--c-accent) 26%, var(--c-card-border));
  transition: all .28s cubic-bezier(.34, 1.56, .64, 1);
  display: inline-flex;
}
.rv-dot:hover { background: color-mix(in srgb, var(--c-accent) 50%, var(--c-card-border)); transform: scale(1.25); }
.rv-dot.on { width: 26px; background: var(--c-accent); transform: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-accent) 18%, transparent); }
.rv-dots-count {
  font-size: .82rem; font-weight: 800; letter-spacing: .08em; white-space: nowrap;
  color: var(--c-accent); background: var(--c-surface);
  border: 1px solid color-mix(in srgb, var(--c-accent) 40%, var(--c-card-border));
  border-radius: 20px; padding: 6px 14px;
}

/* ---------- Student form ---------- */
.rv-form { display: flex; flex-direction: column; gap: 12px; }
.rv-pick-row { display: inline-flex; gap: 6px; }
.rv-pick { border: 0; background: transparent; cursor: pointer; padding: 0; }
.rv-pick svg { width: 30px; height: 30px; fill: none; stroke: var(--c-ink-3); transition: transform .15s, fill .15s; }
.rv-pick:hover svg { transform: scale(1.15); }
.rv-pick.on svg { fill: #F5A623; stroke: #F5A623; }
.rv-form textarea {
  width: 100%; resize: vertical; min-height: 90px;
  border: 1px solid var(--c-border); border-radius: var(--r-sm);
  padding: 12px 14px; font-family: var(--font); font-size: .92rem;
  background: var(--c-surface); color: var(--c-ink); outline: none;
}
.rv-form textarea:focus { border-color: var(--c-accent); }

/* ---------- Admin moderation ---------- */
.rv-tabs { display: inline-flex; gap: 4px; padding: 4px; background: var(--c-soft); border: 1px solid var(--c-card-border); border-radius: 14px; margin-bottom: 16px; }
.rv-tab { border: 0; background: transparent; cursor: pointer; padding: 8px 18px; border-radius: 10px; font-size: .84rem; font-weight: 700; color: var(--c-ink-3); font-family: inherit; }
.rv-tab.is-on { background: var(--c-accent); color: #fff; }

.rv-adm { padding: 18px; border: 1px solid var(--c-card-border); border-radius: var(--r-lg); margin-bottom: 12px; background: var(--c-surface); }
.rv-adm-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.rv-adm-top strong { color: var(--c-ink); }
.rv-adm-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 6px; font-size: .8rem; color: var(--c-ink-3); }
.rv-adm-meta .rv-stars svg { width: 15px; height: 15px; }
.rv-adm-meta .rv-st { width: 15px; height: 15px; }
.rv-adm-meta .rv-st .rv-st-fill svg { width: 15px; height: 15px; }
.rv-stat { font-size: .66rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 4px 10px; border-radius: 20px; }
.rv-stat-pend { color: #B45309; background: color-mix(in srgb, #B45309 12%, transparent); border: 1px solid color-mix(in srgb, #B45309 28%, transparent); }
.rv-stat-ok { color: #059669; background: color-mix(in srgb, #059669 12%, transparent); border: 1px solid color-mix(in srgb, #059669 28%, transparent); }
.rv-stat-rej { color: var(--c-ink-3); background: var(--c-soft); border: 1px solid var(--c-card-border); }
.rv-adm .rv-text { color: var(--c-ink-2); }
.rv-adm-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* ---------- Referral cards (admin) ---------- */
.ref-card { padding: 18px; border: 1px solid var(--c-card-border); border-radius: var(--r-lg); margin-bottom: 12px; background: var(--c-surface); }
.ref-card-head { display: flex; align-items: center; gap: 14px; }
.ref-avatar { flex: 0 0 auto; width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: .85rem; color: #fff; background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2, var(--c-accent))); letter-spacing: .02em; }
.ref-main { flex: 1; min-width: 0; }
.ref-friend { font-weight: 800; font-size: 1.02rem; color: var(--c-ink); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ref-rel { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--c-ink-3); background: var(--c-soft); border: 1px solid var(--c-card-border); padding: 2px 9px; border-radius: 20px; }
.ref-mail { font-size: .83rem; color: var(--c-ink-2); margin-top: 3px; }
.ref-mail a { color: var(--c-accent); text-decoration: none; }
.ref-mail a:hover { text-decoration: underline; }
.ref-card-head .badge { flex: 0 0 auto; }
.ref-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--c-card-border); font-size: .8rem; color: var(--c-ink-3); }
.ref-meta strong { color: var(--c-ink); }
.ref-meta a { color: var(--c-accent); text-decoration: none; }
.ref-meta a:hover { text-decoration: underline; }
.ref-note { margin-top: 10px; padding: 10px 14px; background: var(--c-soft); border: 1px solid var(--c-card-border); border-left: 3px solid var(--c-accent); border-radius: 10px; font-size: .86rem; color: var(--c-ink-2); font-style: italic; }
.ref-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.ref-actions .btn-ok { background: color-mix(in srgb, #059669 10%, transparent); color: #059669; border-color: transparent; }
.ref-actions .btn-ok:hover { background: #059669; color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .rv-track .rv-card { flex: 0 0 calc((100% - 18px) / 2); }
}
@media (max-width: 720px) {
  .rv-summary { grid-template-columns: 1fr; gap: 18px; text-align: center; padding: 28px 22px; }
  .rv-sum-big { justify-content: center; }
  .rv-sum-right { align-items: center; padding-left: 0; border-left: none; }
  .rv-sum-rate { justify-content: center; }
  .rv-dist { max-width: 300px; width: 100%; margin: 0 auto; }
  .rv-track { gap: 0; }
  .rv-track .rv-card { flex: 0 0 100%; padding: 28px 22px 22px; }
  .rv-track .rv-card .rv-text { font-size: .95rem; }
  .rv-car-controls { gap: 16px; }
}