/* ============ Sintech Reviews — product page widget ============ */
.sintech-reviews {
  width: 100%;
  max-width: 100%;
  margin: 24px 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #111827;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}
.sintech-reviews *,
.sintech-reviews *::before,
.sintech-reviews *::after { box-sizing: border-box; }

/* ===== Summary header ===== */
.sintech-reviews .sr-summary-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.sintech-reviews .sr-summary-left {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}
.sintech-reviews .sr-avg-box {
  text-align: center;
  flex-shrink: 0;
}
.sintech-reviews .sr-avg {
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  color: #111827;
  letter-spacing: -0.03em;
  display: block;
}
.sintech-reviews .sr-avg-of {
  font-size: 13px;
  color: #6b7280;
  font-weight: 500;
  margin-top: 4px;
}
.sintech-reviews .sr-meta-block {
  flex: 1;
  min-width: 160px;
}
.sintech-reviews .sr-stars {
  display: inline-flex;
  gap: 3px;
  margin-bottom: 6px;
}
.sintech-reviews .sr-stars svg {
  width: 20px;
  height: 20px;
  fill: #fbbf24;
}
.sintech-reviews .sr-stars svg.empty { fill: #e5e7eb; }
.sintech-reviews .sr-title {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin: 0 0 2px;
  letter-spacing: -0.01em;
}
.sintech-reviews .sr-count {
  font-size: 13px;
  color: #6b7280;
}
.sintech-reviews .sr-write-btn {
  background: #dc2626;
  color: #fff;
  border: none;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  transition: background .15s ease, transform .05s ease;
}
.sintech-reviews .sr-write-btn:hover { background: #b91c1c; }
.sintech-reviews .sr-write-btn:active { transform: translateY(1px); }
.sintech-reviews .sr-write-btn svg { width: 16px; height: 16px; fill: currentColor; }

/* ===== Form ===== */
.sintech-reviews .sr-form {
  display: none;
  background: #fafbfc;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
}
.sintech-reviews .sr-form.active { display: block; }
.sintech-reviews .sr-login-required {
  text-align: center;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
}
.sintech-reviews .sr-lr-icon {
  width: 52px;
  height: 52px;
  background: #eef4ff;
  color: #1d4ed8;
  border-radius: 14px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sintech-reviews .sr-lr-title {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.sintech-reviews .sr-lr-sub {
  font-size: 13px;
  color: #6b7280;
  max-width: 380px;
  margin: 0 auto 18px;
  line-height: 1.55;
}
.sintech-reviews .sr-lr-btn {
  display: inline-block;
  padding: 11px 26px;
  background: #dc2626;
  color: #fff;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background .15s ease;
}
.sintech-reviews .sr-lr-btn:hover { background: #b91c1c; }
.sintech-reviews .sr-lr-reg {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  color: #1d4ed8;
  text-decoration: none;
}
.sintech-reviews .sr-lr-reg:hover { text-decoration: underline; }

.sintech-reviews .sr-logged-in {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #047857;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 18px;
}
.sintech-reviews .sr-logged-in svg { flex-shrink: 0; }
.sintech-reviews .sr-logged-in b { font-weight: 600; color: #064e3b; }
.sintech-reviews .sr-li-sep { color: #a7f3d0; margin: 0 4px; }
.sintech-reviews .sr-logged-out {
  padding: 10px 14px;
  background: #eef4ff;
  border: 1px solid #c7d7fe;
  color: #1d4ed8;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 18px;
}
.sintech-reviews .sr-logged-out a {
  color: #1d4ed8;
  font-weight: 600;
  text-decoration: underline;
}
.sintech-reviews .sr-form-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 18px;
  color: #111827;
  letter-spacing: -0.01em;
}
.sintech-reviews .sr-field { margin-bottom: 16px; }
.sintech-reviews .sr-field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sintech-reviews .sr-field-label .req { color: #dc2626; }
.sintech-reviews .sr-field-hint {
  display: block;
  font-size: 12px;
  color: #6b7280;
  margin-top: 6px;
  line-height: 1.5;
}
.sintech-reviews input[type="text"],
.sintech-reviews input[type="email"],
.sintech-reviews input[type="tel"],
.sintech-reviews input[type="number"],
.sintech-reviews textarea {
  width: 100%;
  padding: 11px 14px;
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  color: #111827;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.sintech-reviews input[type="text"]:focus,
.sintech-reviews input[type="email"]:focus,
.sintech-reviews input[type="tel"]:focus,
.sintech-reviews input[type="number"]:focus,
.sintech-reviews textarea:focus {
  outline: none;
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220,38,38,.12);
}
.sintech-reviews textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.55;
}
.sintech-reviews .sr-title-suggest {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}
.sintech-reviews .sr-suggest-label {
  font-size: 12px;
  color: #6b7280;
  font-weight: 500;
  margin-right: 2px;
}
.sintech-reviews .sr-suggest-pill {
  padding: 5px 11px;
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: 999px;
  color: #374151;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.sintech-reviews .sr-suggest-pill:hover {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}

.sintech-reviews .sr-rating-input {
  display: inline-flex;
  gap: 6px;
  padding: 6px 0;
}
.sintech-reviews .sr-rating-input button {
  background: transparent;
  border: none;
  padding: 4px;
  cursor: pointer;
  line-height: 0;
  border-radius: 4px;
}
.sintech-reviews .sr-rating-input button svg {
  width: 32px;
  height: 32px;
  fill: #e5e7eb;
  transition: fill .12s ease, transform .12s ease;
}
.sintech-reviews .sr-rating-input button:hover svg { transform: scale(1.08); }
.sintech-reviews .sr-rating-input button.active svg { fill: #fbbf24; }

.sintech-reviews .sr-form-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.sintech-reviews .sr-submit,
.sintech-reviews .sr-cancel {
  padding: 11px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  border: none;
  transition: background .15s ease;
}
.sintech-reviews .sr-submit { background: #dc2626; color: #fff; }
.sintech-reviews .sr-submit:hover { background: #b91c1c; }
.sintech-reviews .sr-submit:disabled { background: #9ca3af; cursor: wait; }
.sintech-reviews .sr-cancel { background: #fff; color: #374151; border: 1px solid #d1d5db; }
.sintech-reviews .sr-cancel:hover { background: #f3f4f6; }
.sintech-reviews .sr-form-msg {
  margin-top: 14px;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5;
  font-weight: 500;
}
.sintech-reviews .sr-form-msg.ok { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.sintech-reviews .sr-form-msg.err { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* ===== Review list ===== */
.sintech-reviews .sr-list {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.sintech-reviews .sr-list.scrollable {
  max-height: 560px;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: #d1d5db transparent;
}
.sintech-reviews .sr-list.scrollable::-webkit-scrollbar {
  width: 8px;
}
.sintech-reviews .sr-list.scrollable::-webkit-scrollbar-track {
  background: transparent;
}
.sintech-reviews .sr-list.scrollable::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 4px;
}
.sintech-reviews .sr-list.scrollable::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}
@media (max-width: 640px) {
  .sintech-reviews .sr-list.scrollable { max-height: 480px; }
}
.sintech-reviews .sr-list-item {
  padding: 22px 24px;
  border-bottom: 1px solid #f3f4f6;
}
.sintech-reviews .sr-list-item:last-child { border-bottom: none; }

.sintech-reviews .sr-item-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}
.sintech-reviews .sr-item-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
  color: #374151;
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sintech-reviews .sr-item-meta {
  flex: 1;
  min-width: 0;
}
.sintech-reviews .sr-item-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 2px;
}
.sintech-reviews .sr-item-name {
  font-weight: 600;
  font-size: 14px;
  color: #111827;
}
.sintech-reviews .sr-item-verified {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: #eef4ff;
  color: #1d4ed8;
  padding: 2px 7px;
  border: 1px solid #c7d7fe;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.sintech-reviews .sr-item-verified svg { width: 11px; height: 11px; fill: currentColor; }
.sintech-reviews .sr-item-date {
  font-size: 12px;
  color: #9ca3af;
  flex-shrink: 0;
}
.sintech-reviews .sr-item-stars {
  display: inline-flex;
  gap: 2px;
  margin-top: 4px;
}
.sintech-reviews .sr-item-stars svg {
  width: 15px;
  height: 15px;
  fill: #fbbf24;
}
.sintech-reviews .sr-item-stars svg.empty { fill: #e5e7eb; }

.sintech-reviews .sr-item-title {
  font-weight: 600;
  font-size: 14px;
  margin: 10px 0 4px;
  color: #111827;
}
.sintech-reviews .sr-item-content {
  font-size: 14px;
  line-height: 1.7;
  color: #374151;
  white-space: pre-wrap;
  margin-top: 6px;
}

.sintech-reviews .sr-item-reply {
  margin-top: 12px;
  padding: 12px 14px;
  background: #f9fafb;
  border-radius: 8px;
  border-left: 3px solid #dc2626;
  font-size: 13px;
  color: #374151;
  line-height: 1.6;
}
.sintech-reviews .sr-item-reply-label {
  font-weight: 600;
  font-size: 11px;
  color: #6b7280;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Filter bar (Shopee-style pills) */
.sintech-reviews .sr-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  padding: 14px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.sintech-reviews .sr-filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  color: #374151;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.sintech-reviews .sr-filter-pill:hover {
  background: #f9fafb;
  border-color: #9ca3af;
}
.sintech-reviews .sr-filter-pill.active {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}
.sintech-reviews .sr-filter-pill.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: #f9fafb;
}
.sintech-reviews .sr-filter-pill.disabled:hover {
  background: #f9fafb;
  border-color: #d1d5db;
}
.sintech-reviews .sr-pill-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 7px;
  border-radius: 9px;
  background: rgba(0,0,0,.08);
  color: inherit;
  font-size: 11px;
  font-weight: 600;
  min-width: 18px;
}
.sintech-reviews .sr-filter-pill.active .sr-pill-count {
  background: rgba(255,255,255,.2);
}
.sintech-reviews .sr-filter-pill.disabled .sr-pill-count {
  background: rgba(0,0,0,.05);
}

.sintech-reviews .sr-empty-mini {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 32px 20px;
  text-align: center;
  color: #6b7280;
  font-size: 14px;
}

/* Toggle "Xem thêm / Thu gọn" button */
.sintech-reviews .sr-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 20px;
  margin-top: 12px;
  background: #fff;
  color: #111827;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s ease, border-color .15s ease;
}
.sintech-reviews .sr-toggle-btn:hover {
  background: #f9fafb;
  border-color: #d1d5db;
}
.sintech-reviews .sr-toggle-btn svg {
  width: 16px;
  height: 16px;
}

/* Empty state card (0 reviews) — centered, with CTA */
.sintech-reviews .sr-empty-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 40px 24px;
  text-align: center;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
  margin-bottom: 16px;
}
.sintech-reviews .sr-stars-lg {
  margin-bottom: 14px;
}
.sintech-reviews .sr-stars-lg svg {
  width: 28px;
  height: 28px;
}
.sintech-reviews .sr-empty-title {
  font-size: 17px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.sintech-reviews .sr-empty-sub {
  font-size: 13px;
  color: #6b7280;
  max-width: 380px;
  margin: 0 auto 18px;
  line-height: 1.55;
}
.sintech-reviews .sr-empty-card .sr-write-btn { margin: 0 auto; }

/* Skeleton loader */
.sintech-reviews .sr-skel-summary {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  height: 92px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}
.sintech-reviews .sr-skel-summary::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,.04), transparent);
  animation: sr-shimmer 1.4s linear infinite;
}
@keyframes sr-shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* States */
.sintech-reviews .sr-empty {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  text-align: center;
  padding: 48px 24px;
  color: #6b7280;
  font-size: 14px;
}
.sintech-reviews .sr-empty-icon {
  width: 48px;
  height: 48px;
  background: #f3f4f6;
  color: #9ca3af;
  border-radius: 12px;
  margin: 0 auto 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.sintech-reviews .sr-empty-title {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 4px;
}
.sintech-reviews .sr-empty-sub {
  font-size: 13px;
  color: #6b7280;
}

@media (max-width: 640px) {
  .sintech-reviews .sr-summary-card {
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .sintech-reviews .sr-summary-left {
    justify-content: flex-start;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 16px;
  }
  .sintech-reviews .sr-write-btn { width: 100%; justify-content: center; }
  .sintech-reviews .sr-list-item { padding: 18px; }
  .sintech-reviews .sr-form { padding: 20px; }
  .sintech-reviews .sr-form-actions .sr-submit,
  .sintech-reviews .sr-form-actions .sr-cancel { flex: 1; }
  .sintech-reviews .sr-rating-input button svg { width: 28px; height: 28px; }
}