.kgu-wrap {
  --kgu-border: #e7e3dc;
  --kgu-bg: #ffffff;
  --kgu-soft: #f7f5f1;
  --kgu-text: #25231f;
  --kgu-muted: #746f66;
  --kgu-star: #d89a20;
  max-width: 1280px;
  margin: 0 auto;
  color: var(--kgu-text);
  font-family: inherit;
}

.kgu-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

/* Naslov je namjerno svijetao jer je stranica dizajnirana za crnu/tamnu pozadinu. */
.kgu-heading h2 {
  margin: 4px 0 0;
  color: #ffffff !important;
}
.kgu-heading .kgu-eyebrow { color: #bbb5aa; }
.kgu-summary { display: flex; align-items: baseline; gap: 8px; }
.kgu-summary strong { color: #ffffff; font-size: 24px; }
.kgu-summary span { color: #c8c3ba; font-size: 14px; }

.kgu-form-intro h3 { margin: 4px 0 0; }
.kgu-eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 11px;
  font-weight: 700;
  color: var(--kgu-muted);
}

.kgu-book-picker {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 12px;
  scrollbar-width: thin;
  margin-bottom: 18px;
}
.kgu-book-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  border: 1px solid var(--kgu-border);
  background: var(--kgu-bg);
  color: var(--kgu-text);
  border-radius: 999px;
  padding: 6px 14px 6px 6px;
  cursor: pointer;
  font: inherit;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.kgu-book-chip:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,.16); }
.kgu-book-chip.is-active { border-color: #2e2b26; box-shadow: inset 0 0 0 1px #2e2b26; }
.kgu-book-chip img,
.kgu-book-placeholder {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--kgu-soft);
  display: grid;
  place-items: center;
}

.kgu-form-card {
  border: 1px solid var(--kgu-border);
  border-radius: 20px;
  background: var(--kgu-soft);
  color: var(--kgu-text);
  margin: 0 0 28px;
  overflow: hidden;
}
.kgu-form-intro { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 22px; }
.kgu-form-toggle,
.kgu-submit {
  border: 0;
  border-radius: 999px;
  background: #25231f;
  color: #fff;
  padding: 11px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform .18s ease, opacity .18s ease;
}
.kgu-form-toggle:hover,
.kgu-submit:hover { transform: translateY(-1px); }
.kgu-form-toggle:disabled,
.kgu-submit:disabled { opacity: .55; cursor: wait; transform: none; }
.kgu-form-toggle span { margin-left: 7px; }
.kgu-form { border-top: 1px solid var(--kgu-border); padding: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.kgu-form[hidden] { display: none; }
.kgu-form label { display: flex; flex-direction: column; gap: 7px; font-size: 14px; font-weight: 700; }
.kgu-form label:has(textarea) { grid-column: 1/-1; }
.kgu-form select,
.kgu-form textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--kgu-border);
  border-radius: 12px;
  background: #fff;
  padding: 12px 14px;
  font: inherit;
  color: var(--kgu-text);
}
.kgu-form textarea { resize: vertical; }
.kgu-rating-field { border: 0; margin: 0; padding: 0; }
.kgu-rating-field legend { font-size: 14px; font-weight: 700; margin-bottom: 7px; }
.kgu-stars-input { display: inline-flex; flex-direction: row-reverse; justify-content: flex-end; }
.kgu-stars-input input { position: absolute; opacity: 0; pointer-events: none; }
.kgu-stars-input label { font-size: 30px; line-height: 1; color: #d9d3c8; cursor: pointer; transition: transform .15s ease, color .15s ease; }
.kgu-stars-input label:hover,
.kgu-stars-input label:hover ~ label,
.kgu-stars-input input:checked ~ label { color: var(--kgu-star); }
.kgu-stars-input label:hover { transform: scale(1.08); }
.kgu-form-bottom { grid-column: 1/-1; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.kgu-form-bottom small { color: var(--kgu-muted); }
.kgu-form-message { grid-column: 1/-1; min-height: 20px; font-size: 14px; }
.kgu-form-message.is-success,
.kgu-auth-message.is-success { color: #24713b; }
.kgu-form-message.is-error,
.kgu-auth-message.is-error { color: #a32d2d; }

.kgu-notice {
  border: 1px solid var(--kgu-border);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 24px;
  background: #fff;
  color: var(--kgu-text);
}
.kgu-notice-soft { background: var(--kgu-soft); }
.kgu-auth-notice { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.kgu-auth-actions { display: inline-flex; align-items: center; gap: 9px; flex: 0 0 auto; }
.kgu-auth-link {
  border: 0;
  padding: 0;
  background: transparent;
  color: #2b2925;
  font: inherit;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.kgu-auth-link:hover { opacity: .72; }
.kgu-auth-separator { color: var(--kgu-muted); }

.kgu-grid-shell { position: relative; min-height: 150px; overflow: hidden; }
.kgu-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; transition: opacity .18s ease, transform .18s ease; }
.kgu-grid.is-loading { pointer-events: none; }
.kgu-grid.anim-out-left { opacity: 0; transform: translateX(-18px); }
.kgu-grid.anim-out-right { opacity: 0; transform: translateX(18px); }
.kgu-grid.anim-in { animation: kguIn .32s ease both; }
@keyframes kguIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.kgu-card {
  border: 1px solid var(--kgu-border);
  border-radius: 18px;
  background: var(--kgu-bg);
  color: var(--kgu-text);
  padding: 18px;
  display: flex;
  flex-direction: column;
  min-height: 230px;
  box-shadow: 0 8px 30px rgba(31,28,22,.12);
}
.kgu-card-top { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.kgu-avatar { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--kgu-soft); font-weight: 800; }
.kgu-stars { font-size: 14px; letter-spacing: 1px; color: var(--kgu-star); }
.kgu-stars .is-empty { color: #ddd7cc; }
.kgu-review-text { font-size: 15px; line-height: 1.65; color: #444038; }
.kgu-review-text p { margin: 0; }
.kgu-review-text.is-clamped { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 5; overflow: hidden; }
.kgu-review-text.is-expanded { display: block; }
.kgu-read-more { border: 0; background: transparent; padding: 7px 0 0; color: #5b5142; text-align: left; font: inherit; font-weight: 700; cursor: pointer; }
.kgu-card time { margin-top: auto; padding-top: 16px; font-size: 12px; color: var(--kgu-muted); }
.kgu-empty { grid-column: 1/-1; text-align: center; border: 1px dashed #69645d; border-radius: 18px; padding: 36px; color: #d1ccc3; }
.kgu-loader { position: absolute; z-index: 5; left: 50%; top: 42px; transform: translateX(-50%); display: flex; gap: 6px; background: #fff; border: 1px solid var(--kgu-border); border-radius: 999px; padding: 10px 14px; box-shadow: 0 10px 30px rgba(0,0,0,.16); }
.kgu-loader[hidden] { display: none; }
.kgu-loader span { width: 7px; height: 7px; border-radius: 50%; background: #5c574e; animation: kguDot .8s infinite alternate; }
.kgu-loader span:nth-child(2) { animation-delay: .15s; }
.kgu-loader span:nth-child(3) { animation-delay: .3s; }
@keyframes kguDot { to { opacity: .25; transform: translateY(-3px); } }
.kgu-nav { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 24px; }
.kgu-nav[hidden] { display: none; }
.kgu-arrow { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--kgu-border); background: #fff; color: #25231f; font-size: 22px; cursor: pointer; transition: transform .2s ease, background .2s ease; }
.kgu-arrow:hover:not(:disabled) { transform: scale(1.06); background: var(--kgu-soft); }
.kgu-arrow:disabled { opacity: .3; cursor: not-allowed; }
.kgu-page { min-width: 60px; text-align: center; color: #c8c3ba; font-size: 13px; }

/* Modal prijava / registracija */
html.kgu-modal-open { overflow: hidden; }
.kgu-modal[hidden] { display: none; }
.kgu-modal { position: fixed; inset: 0; z-index: 999999; display: grid; place-items: center; padding: 20px; opacity: 0; transition: opacity .18s ease; }
.kgu-modal.is-open { opacity: 1; }
.kgu-modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.78); backdrop-filter: blur(4px); }
.kgu-modal-dialog {
  position: relative;
  z-index: 2;
  width: min(100%, 480px);
  max-height: min(90vh, 720px);
  overflow: auto;
  border: 1px solid #e7e3dc;
  border-radius: 24px;
  background: #fff;
  color: #25231f;
  padding: 26px;
  box-shadow: 0 28px 90px rgba(0,0,0,.45);
  transform: translateY(14px) scale(.985);
  transition: transform .2s ease;
}
.kgu-modal.is-open .kgu-modal-dialog { transform: translateY(0) scale(1); }
.kgu-modal-close { position: absolute; top: 13px; right: 14px; width: 38px; height: 38px; border: 0; border-radius: 50%; background: #f2f0eb; color: #25231f; font-size: 25px; line-height: 1; cursor: pointer; }
.kgu-auth-tabs { display: inline-flex; gap: 4px; padding: 4px; border-radius: 999px; background: #f2f0eb; margin: 0 46px 22px 0; }
.kgu-auth-tab { border: 0; border-radius: 999px; background: transparent; color: #5e5950; padding: 9px 14px; font: inherit; font-weight: 800; cursor: pointer; }
.kgu-auth-tab.is-active { background: #25231f; color: #fff; }
.kgu-auth-panel[hidden] { display: none; }
.kgu-auth-panel h3 { margin: 4px 0 8px; font-size: 28px; color: #25231f; }
.kgu-auth-panel > p { margin: 0 0 20px; color: #6f695f; line-height: 1.55; }
.kgu-auth-form { display: grid; gap: 15px; }
.kgu-auth-form label { display: grid; gap: 7px; font-size: 14px; font-weight: 800; color: #25231f; }
.kgu-auth-form input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #d9d4cb;
  border-radius: 12px;
  background: #fff;
  color: #25231f;
  padding: 12px 14px;
  font: inherit;
  outline: none;
}
.kgu-auth-form input:focus { border-color: #25231f; box-shadow: 0 0 0 3px rgba(37,35,31,.08); }
.kgu-auth-form small { color: #746f66; font-weight: 400; }
.kgu-auth-form .kgu-submit { justify-self: start; min-width: 140px; }
.kgu-auth-message { min-height: 20px; font-size: 14px; font-weight: 600; }

@media (max-width: 1050px) {
  .kgu-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 650px) {
  .kgu-heading { align-items: flex-start; flex-direction: column; }
  .kgu-grid { grid-template-columns: 1fr; }
  .kgu-form { grid-template-columns: 1fr; }
  .kgu-form label:has(textarea),
  .kgu-form-bottom,
  .kgu-form-message { grid-column: auto; }
  .kgu-form-bottom { align-items: stretch; flex-direction: column; }
  .kgu-submit { width: 100%; }
  .kgu-form-intro { align-items: flex-start; flex-direction: column; }
  .kgu-form-toggle { width: 100%; }
  .kgu-auth-notice { align-items: flex-start; flex-direction: column; }
  .kgu-modal { padding: 10px; }
  .kgu-modal-dialog { border-radius: 18px; padding: 22px 18px; }
  .kgu-auth-form .kgu-submit { justify-self: stretch; }
}

@media (prefers-reduced-motion: reduce) {
  .kgu-grid,
  .kgu-modal,
  .kgu-modal-dialog,
  .kgu-book-chip,
  .kgu-form-toggle,
  .kgu-submit { transition: none !important; animation: none !important; }
}