/* ============================================================
   A2C Zakazivanje - tanak sloj povrh main.css
   Koristi ISTE tokene kao glavni sajt (--navy, --orange, --cream,
   Playfair naslovi, Outfit telo). Ucitava se POSLE main.css.
   ============================================================ */

body {
  background: var(--cream);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.zk-container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Header: koristimo PRAVI .site-header glavnog sajta, ali ----------
   na booking stranicama staticno i puno navy (nema scroll-JS iza). */
.site-header {
  position: static;
  background: var(--navy);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.12);
}
.site-header .nav-link.active { color: var(--white); background: rgba(255,255,255,.12); }
/* Booking nema app.js/hamburger - drzi nav vidljiv i na mobilnom */
@media (max-width: 768px) {
  .site-header .main-nav { display: flex !important; }
  .site-header .nav-list { gap: 2px; flex-wrap: wrap; justify-content: flex-end; }
  .site-header .nav-link { padding: 6px 9px; font-size: .8rem; }
  .site-header .header-cta { display: inline-flex !important; }
}

/* ---------- Main ---------- */
.zk-main { flex: 1; padding: 48px 0 64px; }

/* ---------- Kartica ---------- */
.zk-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
}
.zk-card--narrow { max-width: 460px; margin: 0 auto; }

.zk-title { font-family: var(--font-heading); font-size: 1.9rem; font-weight: 700; color: var(--navy); margin: 0 0 8px; line-height: 1.15; }
.zk-subtitle { color: var(--text-light); margin: 0 0 26px; font-size: .95rem; }

/* ---------- Forma (kao booking modal na glavnom sajtu) ---------- */
.zk-field { margin-bottom: 16px; }
.zk-field label { display: block; font-size: .82rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.zk-field input, .zk-field select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: .9rem;
  color: var(--text);
  background: var(--cream);
  font-family: inherit;
  transition: all var(--transition-fast);
  outline: none;
}
.zk-field input:focus, .zk-field select:focus {
  border-color: var(--orange);
  background: var(--white);
  box-shadow: 0 0 0 4px var(--orange-glow);
}
.zk-field select {
  appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%236B7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 12px;
}
.zk-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Okce za lozinku */
.zk-pass { position: relative; }
.zk-pass input { padding-right: 46px; }
.zk-pass-toggle { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center; border: none; background: none; color: var(--text-light); cursor: pointer; border-radius: 8px; }
.zk-pass-toggle:hover { color: var(--navy); background: var(--cream-dark); }

/* Zapamti me */
.zk-check { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; font-size: .88rem; color: var(--text); cursor: pointer; }
.zk-check input { width: 17px; height: 17px; accent-color: var(--orange); cursor: pointer; }

/* ---------- Dugme (kao .btn-primary na glavnom sajtu) ---------- */
.zk-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: .9rem; font-family: inherit;
  border-radius: 10px; padding: 12px 28px;
  color: var(--white); background: var(--orange);
  box-shadow: 0 4px 16px rgba(245,130,13,.3);
  transition: all var(--transition); cursor: pointer; white-space: nowrap;
}
.zk-btn:hover { background: var(--orange-hover); box-shadow: 0 6px 24px rgba(245,130,13,.4); transform: translateY(-2px); }
.zk-btn--block { width: 100%; }
.zk-btn-sm { padding: 8px 18px; font-size: .82rem; border-radius: 8px; box-shadow: none; }
.zk-btn-sm:hover { transform: none; box-shadow: 0 4px 16px rgba(245,130,13,.3); }
.zk-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.zk-btn--ghost { background: transparent; color: var(--navy); border: 2px solid var(--border); box-shadow: none; }
.zk-btn--ghost:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* ---------- Poruke ---------- */
.zk-alert { padding: 12px 16px; border-radius: 10px; font-size: .9rem; margin-bottom: 18px; }
.zk-alert--error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.zk-alert--ok { background: var(--orange-glow); color: var(--orange-hover); border: 1px solid rgba(245,130,13,.3); }
.zk-alert--info { background: #fff7ed; color: #9a3412; border: 1px solid #fed7aa; }

.zk-foot-note { text-align: center; margin-top: 20px; font-size: .9rem; color: var(--text-light); }
.zk-foot-note a { color: var(--orange); font-weight: 600; }
.zk-foot-note a:hover { color: var(--orange-hover); }

/* ---------- Kalendar termina ---------- */
.zk-page-head { margin-bottom: 28px; }
.zk-page-head h1 { font-family: var(--font-heading); font-size: clamp(1.8rem, 4vw, 2.4rem); color: var(--navy); margin-bottom: 6px; }
.zk-page-head p { color: var(--text-light); }

.zk-day { margin-bottom: 28px; }
.zk-day-label { font-weight: 600; color: var(--navy); font-size: 1.05rem; margin-bottom: 12px; text-transform: capitalize; }

.zk-slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }

.zk-slot {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 18px 16px; box-shadow: var(--shadow);
  border-left: 4px solid var(--orange);
  transition: box-shadow var(--transition-fast);
}
.zk-slot:hover { box-shadow: var(--shadow-hover); }
.zk-slot--mine { border-left-color: #059669; }
.zk-slot--full { opacity: .65; }

.zk-slot-time { font-weight: 700; color: var(--navy); font-size: 1.1rem; }
.zk-slot-kurs { font-size: .9rem; color: var(--text); margin: 2px 0 10px; }
.zk-slot-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.zk-tag { font-size: .72rem; font-weight: 600; padding: 3px 9px; border-radius: 20px; background: var(--cream-dark); color: var(--text-light); }
.zk-tag--free { background: var(--orange-glow); color: var(--orange-hover); }
.zk-tag--mine { background: #ecfdf5; color: #059669; }

.zk-empty { text-align: center; padding: 48px 24px; color: var(--text-light); }

/* ---------- Lista mojih rezervacija ---------- */
.zk-res { display: flex; align-items: center; justify-content: space-between; gap: 14px;
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; margin-bottom: 12px; box-shadow: var(--shadow); }
.zk-res-info strong { color: var(--navy); }
.zk-res-info span { color: var(--text-light); font-size: .9rem; }
.zk-res-locked { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; max-width: 260px; }
.zk-res-locked .zk-btn[disabled] { opacity: .55; cursor: not-allowed; }
.zk-res-locked small { color: var(--text-light); font-size: .72rem; line-height: 1.3; text-align: right; }

/* ---------- Booking head ---------- */
.zk-booking-head { margin-bottom: 22px; }
.zk-booking-head h1 { font-family: var(--font-heading); font-size: clamp(1.9rem, 4.5vw, 2.8rem); color: var(--navy); line-height: 1.1; }
.zk-accent { color: var(--orange); }
.zk-booking-head p { color: var(--text-light); margin-top: 4px; }

/* ---------- Day picker (kao tenis) ---------- */
.zk-days { display: flex; gap: 10px; overflow-x: auto; padding: 4px 2px 14px; margin-bottom: 6px; scrollbar-width: none; }
.zk-days::-webkit-scrollbar { display: none; }
.zk-day-pill { flex: 0 0 auto; min-width: 64px; padding: 11px 8px 16px; border-radius: 16px; border: 1px solid var(--border);
  background: var(--white); text-align: center; cursor: pointer; transition: all var(--transition-fast); position: relative; }
.zk-day-pill:hover { border-color: var(--orange); }
.zk-day-pill .zk-dow { display: block; font-size: .66rem; font-weight: 700; letter-spacing: .04em; color: var(--text-light); text-transform: uppercase; }
.zk-day-pill .zk-dnum { display: block; font-size: 1.35rem; font-weight: 700; color: var(--navy); line-height: 1.2; }
.zk-day-pill.active { background: var(--navy); border-color: var(--navy); }
.zk-day-pill.active .zk-dow, .zk-day-pill.active .zk-dnum { color: #fff; }
.zk-day-pill .zk-has { position: absolute; bottom: 7px; left: 50%; transform: translateX(-50%); width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }
.zk-day-pill.active .zk-has { background: #fff; }

/* ---------- Legenda ---------- */
.zk-legend { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 24px; font-size: .82rem; color: var(--text-light); }
.zk-legend span { display: inline-flex; align-items: center; gap: 7px; }
.zk-dot { width: 11px; height: 11px; border-radius: 4px; display: inline-block; }
.zk-dot--free { background: var(--orange); }
.zk-dot--full { background: #cbd5e1; }
.zk-dot--mine { background: #059669; }

/* ---------- Booking sheet (bottom na mobilnom, modal na desktopu) ---------- */
.zk-sheet-overlay { position: fixed; inset: 0; z-index: 4000; background: rgba(13,27,42,.55);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 24px; opacity: 0; visibility: hidden; transition: opacity .25s; }
.zk-sheet-overlay.active { opacity: 1; visibility: visible; }
.zk-sheet { background: var(--white); border-radius: var(--radius-xl); width: 100%; max-width: 460px; padding: 32px;
  box-shadow: var(--shadow-lg); transform: translateY(20px); transition: transform .3s cubic-bezier(.16,1,.3,1); position: relative; }
.zk-sheet-overlay.active .zk-sheet { transform: translateY(0); }
.zk-sheet-close { position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--text-light); cursor: pointer; }
.zk-sheet-close:hover { background: var(--cream); color: var(--navy); }
.zk-sheet h3 { font-family: var(--font-heading); font-size: 1.45rem; color: var(--navy); margin-bottom: 4px; }
.zk-sheet-sub { color: var(--text-light); font-size: .9rem; margin-bottom: 20px; }
.zk-sheet-rows { background: var(--cream); border-radius: 14px; padding: 6px 16px; margin-bottom: 18px; }
.zk-sheet-row { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; font-size: .92rem; border-bottom: 1px solid var(--cream-dark); }
.zk-sheet-row:last-child { border-bottom: none; }
.zk-sheet-row span { color: var(--text-light); }
.zk-sheet-row strong { color: var(--navy); text-align: right; }
.zk-sheet-note { font-size: .8rem; color: var(--text-light); text-align: center; margin-top: 14px; }

/* Speaking Club - prijavljeni */
.zk-uces { margin-bottom: 18px; }
.zk-uces-title { font-size: .82rem; font-weight: 600; color: var(--navy); margin-bottom: 8px; }
.zk-uces-list { display: flex; flex-wrap: wrap; gap: 6px; }
.zk-uces-item { font-size: .8rem; background: var(--cream-dark); color: var(--text); padding: 4px 11px; border-radius: 20px; }
.zk-uces-item b { color: var(--orange-hover); font-weight: 700; margin-left: 3px; }
.zk-uces-empty { font-size: .82rem; color: var(--text-light); font-style: italic; }

/* ---------- Success ekran ---------- */
.zk-success { text-align: center; }
.zk-success-check { width: 74px; height: 74px; border-radius: 50%; background: #059669; color: #fff;
  display: flex; align-items: center; justify-content: center; margin: 4px auto 18px; }
.zk-success h3 { font-family: var(--font-heading); font-size: 1.55rem; color: var(--navy); margin-bottom: 6px; }
.zk-success p { color: var(--text-light); margin-bottom: 18px; }
.zk-link-btn { background: none; border: none; color: var(--text-light); font: inherit; font-size: .82rem; cursor: pointer; text-decoration: underline; }
.zk-link-btn:hover { color: var(--navy); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .zk-slots { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .zk-main { padding: 26px 0 48px; }
}
@media (max-width: 600px) {
  .zk-row { grid-template-columns: 1fr; }
  .zk-card { padding: 24px; }
  .zk-slots { grid-template-columns: 1fr; }
  .zk-res { flex-direction: column; align-items: stretch; text-align: left; }
  .zk-res .zk-btn { width: 100%; }
  /* bottom-sheet na telefonu */
  .zk-sheet-overlay { align-items: flex-end; padding: 0; }
  .zk-sheet { max-width: 100%; border-radius: 24px 24px 0 0; padding: 30px 22px 32px; transform: translateY(100%); }
  .zk-sheet::before { content: ""; position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 42px; height: 4px; border-radius: 2px; background: var(--border); }
}