* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #222;
  background-color: #fff;
}

a {
  color: inherit;
}

/* Header */
.shop-header {
  background-color: #fff;
  border-bottom: 1px solid #e0e0e0;
}

.header-sadrzaj {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 40px;
  min-height: 100px;
  gap: 20px;
  flex-wrap: wrap;
}

.header-levo {
  display: flex;
  align-items: stretch;
  gap: 40px;
}

.shop-header .logo {
  font-weight: 700;
  font-size: 1.3em;
  text-decoration: none;
  color: #222;
  display: flex;
  align-items: center;
}

.shop-header .logo img {
  height: 78px;
  width: auto;
  display: block;
}

.header-nalog {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.9em;
  color: #555;
}

.shop-nav {
  display: flex;
  align-items: stretch;
  gap: 20px;
  flex-wrap: wrap;
}

#nav-admin-slot {
  display: contents;
}

.shop-nav a, .shop-nav button, .header-nalog a, .header-nalog button {
  text-decoration: none;
  font-size: 1em;
  color: #333;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.header-nalog a, .header-nalog button {
  font-size: 0.95em;
}

.shop-nav a {
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 4px;
  border-bottom: 3px solid transparent;
}

.shop-nav a:hover, .shop-nav button:hover,
.header-nalog a:hover, .header-nalog button:hover {
  color: #ee4318;
}

.shop-nav a.aktivna {
  background-color: #e9e9e9;
  color: #222;
  font-weight: 600;
  border-bottom: 3px solid #ee4318;
}

.btn {
  display: inline-block;
  background-color: #ee4318;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1em;
  text-decoration: none;
  margin: 5px;
}

.btn:hover {
  background-color: #b30000;
}

.btn:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

/* Layout kataloga */
.shop-layout {
  display: flex;
  gap: 25px;
  max-width: 1600px;
  margin: 25px auto;
  padding: 0 40px;
  align-items: flex-start;
}

.sidebar {
  width: 220px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 20px;
  flex-shrink: 0;
}

.sidebar h3 {
  font-size: 1em;
  margin-bottom: 10px;
}

.sidebar ul {
  list-style: none;
  margin-bottom: 20px;
}

.sidebar li {
  margin-bottom: 8px;
}

.sidebar li a.aktivna {
  color: #ee4318;
  font-weight: 600;
}

.sidebar input, .sidebar select {
  width: 100%;
  padding: 8px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.katalog-glavni {
  flex: 1;
}

.katalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.kartica {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 15px;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.kartica img {
  max-width: 100%;
  height: 160px;
  object-fit: contain;
  margin-bottom: 10px;
}

.kartica .naziv {
  font-weight: 600;
  margin-bottom: 5px;
  min-height: 44px;
}

.kartica .sifra {
  color: #888;
  font-size: 0.85em;
  margin-bottom: 8px;
}

.kartica .cena {
  font-size: 1.3em;
  font-weight: 700;
  margin-bottom: 12px;
}

/* Forme */
.forma-container {
  max-width: 420px;
  margin: 50px auto;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 30px;
}

.forma-container h1 {
  margin-bottom: 20px;
  font-size: 1.5em;
}

.forma-container label {
  display: block;
  margin-bottom: 5px;
  font-size: 0.9em;
  font-weight: 600;
}

.forma-container input, .forma-container textarea, .forma-container select {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: inherit;
}

.forma-container .btn {
  width: 100%;
  padding: 12px;
}

.poruka {
  margin-top: 15px;
  padding: 10px;
  border-radius: 4px;
  font-size: 0.9em;
}

.poruka.greska {
  background: #fdecea;
  color: #b30000;
}

.poruka.uspeh {
  background: #eafaf0;
  color: #1a7a3c;
}

/* Korpa */
.korpa-tabela {
  width: 100%;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  border-collapse: collapse;
  overflow: hidden;
}

.korpa-tabela th, .korpa-tabela td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.korpa-tabela img {
  width: 50px;
  height: 50px;
  object-fit: contain;
}

.korpa-tabela input[type="number"] {
  width: 60px;
  padding: 5px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.korpa-ukupno {
  text-align: right;
  margin: 20px 0;
  font-size: 1.3em;
  font-weight: 700;
}

.korpa-akcije {
  text-align: right;
}

.prazna-korpa {
  text-align: center;
  padding: 40px;
  color: #888;
}

/* Administracija */
.admin-layout {
  max-width: 1600px;
  margin: 30px auto;
  padding: 0 40px;
}

.admin-akcije {
  margin-bottom: 20px;
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}

.modal-sadrzaj {
  background: #fff;
  border-radius: 8px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 30px;
}

.modal-zatvori {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  font-size: 1.8em;
  line-height: 1;
  color: #888;
  cursor: pointer;
}

.modal-zatvori:hover {
  color: #ee4318;
}

.modal-sadrzaj .forma-container {
  max-width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
}

.admin-tabela img {
  width: 55px;
  height: 55px;
  object-fit: contain;
}

.admin-tabela th, .admin-tabela td {
  padding: 15px 20px;
}

.admin-tabela td {
  position: relative;
  vertical-align: middle;
}

.admin-tabela tr {
  display: table-row;
}

.admin-tabela button {
  margin-right: 12px;
  margin-bottom: 8px;
  white-space: nowrap;
}

.admin-tabela button:last-child {
  margin-right: 0;
}

.narudzba-detalji > td {
  background-color: #ececec;
  padding: 20px;
}

.checkbox-dostupnost {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: #ee4318;
}

.nav-korpa {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

#broj-artikala-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: #ee4318;
  color: #fff;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75em;
  font-weight: bold;
  min-width: 20px;
}

#plutajuca-korpa {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #ee4318;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 999;
  cursor: pointer;
  transition: all 0.3s ease;
}

#plutajuca-korpa:hover {
  background-color: #b30000;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
  transform: scale(1.1);
}

.fab-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: #fff;
  color: #ee4318;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: bold;
  border: 2px solid #ee4318;
  min-width: 20px;
}

@media (max-width: 768px) {
  #plutajuca-korpa {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 24px;
  }
}

.toast-notifikacija {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #1a7a3c;
  color: #fff;
  padding: 12px 24px;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  max-width: 400px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.toast-notifikacija.show {
  opacity: 1;
  pointer-events: auto;
}

/* RESPONSIVE DESIGN */

/* Tablet - srednji ekrani (1000px - 1024px) */
@media (max-width: 1024px) {
  .header-sadrzaj {
    padding: 0 20px;
    min-height: auto;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
  }

  .header-levo {
    gap: 0;
    display: contents;
  }

  .header-levo .logo {
    order: 1;
    flex: 0 0 auto;
    margin-right: auto;
  }

  .header-levo .shop-nav {
    order: 3;
    flex-basis: 100%;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
  }

  .shop-header .logo img {
    height: 60px;
  }

  .header-nalog {
    order: 2;
    flex: 0 0 auto;
  }

  .shop-layout {
    padding: 0 20px;
    gap: 15px;
  }

  .sidebar {
    width: 200px;
    display: block;
  }

  .katalog-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
  }

  .admin-layout {
    width: 100%;
    max-width: 100%;
    padding: 0 20px;
    margin: 25px 0;
  }

  .admin-layout h1 {
    font-size: 1.4em;
    margin-bottom: 20px;
  }

  .forma-container {
    margin: 30px 20px;
  }
}

/* Mobile - mali ekrani (480px - 768px) */
@media (max-width: 768px) {
  body {
    font-size: 14px;
  }

  .header-sadrzaj {
    flex-wrap: wrap;
    padding: 0 15px;
    min-height: auto;
    gap: 10px;
    align-items: center;
  }

  .header-levo {
    gap: 0;
    display: contents;
  }

  .header-levo .logo {
    order: 1;
    flex: 0 0 auto;
    margin-right: auto;
  }

  .header-levo .shop-nav {
    order: 3;
    flex-basis: 100%;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
  }

  .shop-header .logo img {
    height: 50px;
  }

  .shop-nav a {
    padding: 0 8px;
    font-size: 0.9em;
  }

  .header-nalog {
    order: 2;
    flex: 0 0 auto;
    font-size: 0.85em;
    gap: 8px;
  }

  .header-nalog button {
    padding: 5px 15px;
    font-size: 0.85em;
  }

  /* Katalog na mobilnom */
  .shop-layout {
    flex-direction: column;
    padding: 0 15px;
    gap: 15px;
  }

  .sidebar {
    display: none !important;
  }

  .katalog-glavni {
    order: 1;
    width: 100% !important;
  }

  .katalog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .kartica {
    padding: 10px;
  }

  .kartica img {
    height: 120px;
  }

  .kartica .naziv {
    font-size: 0.9em;
    min-height: 40px;
  }

  .kartica .cena {
    font-size: 1.1em;
  }

  /* Formu */
  .forma-container {
    max-width: 100%;
    margin: 20px 15px;
    padding: 20px;
    border: none;
    border-radius: 0;
  }

  .forma-container h1 {
    font-size: 1.3em;
    margin-bottom: 15px;
  }

  .forma-container input,
  .forma-container textarea,
  .forma-container select {
    padding: 8px;
    margin-bottom: 12px;
    font-size: 16px;
  }

  /* Tabele - horizontalni scroll */
  .korpa-tabela,
  .admin-tabela {
    font-size: 0.85em;
  }

  .korpa-tabela th,
  .korpa-tabela td,
  .admin-tabela th,
  .admin-tabela td {
    padding: 8px 10px;
  }

  .korpa-tabela img,
  .admin-tabela img {
    width: 40px;
    height: 40px;
  }

  .korpa-tabela input[type="number"] {
    width: 50px;
    padding: 4px;
  }

  .korpa-ukupno {
    font-size: 1.1em;
    margin: 15px 0;
  }

  .korpa-akcije {
    text-align: center;
  }

  .btn {
    padding: 8px 16px;
    font-size: 0.9em;
  }

  .forma-container .btn {
    width: 100%;
  }

  /* Admin */
  .admin-layout {
    width: 100%;
    max-width: 100%;
    padding: 0 12px;
    margin: 20px 0;
  }

  .admin-layout h1 {
    font-size: 1.3em;
    margin-bottom: 15px;
  }

  .admin-akcije {
    gap: 8px;
  }

  /* Tabele na mobilnom - sakrij kolone */
  .korpa-tabela,
  .admin-tabela {
    font-size: 0.7em;
    width: 100%;
    overflow: visible;
    display: table;
  }

  .korpa-tabela thead,
  .admin-tabela thead {
    display: table-header-group;
  }

  .korpa-tabela tbody,
  .admin-tabela tbody {
    display: table-row-group;
  }

  .korpa-tabela tr,
  .admin-tabela tr {
    display: table-row;
  }

  .korpa-tabela th,
  .korpa-tabela td,
  .admin-tabela th,
  .admin-tabela td {
    display: table-cell;
    padding: 6px 4px;
    word-break: break-word;
    vertical-align: middle;
  }

  .korpa-tabela input[type="number"] {
    width: 40px;
    font-size: 0.75em;
  }

  .admin-tabela button {
    padding: 5px 10px;
    font-size: 0.8em;
  }

  .modal-sadrzaj {
    width: 90vw;
    padding: 20px;
  }

  /* Plutajuća korpa */
  #plutajuca-korpa {
    bottom: 15px;
    right: 15px;
    width: 50px;
    height: 50px;
    font-size: 24px;
  }

  .fab-badge {
    font-size: 8px;
  }

  /* Toast */
  .toast-notifikacija {
    max-width: 90vw;
    font-size: 0.9em;
    padding: 10px 16px;
  }
}

/* Jako mali ekrani (do 480px) */
@media (max-width: 480px) {
  body {
    font-size: 13px;
  }

  .header-sadrzaj {
    padding: 0 10px;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
  }

  .header-levo {
    gap: 0;
    display: contents;
  }

  .header-levo .logo {
    order: 1;
    flex: 0 0 auto;
    margin-right: auto;
  }

  .header-levo .shop-nav {
    order: 3;
    flex-basis: 100%;
    overflow-x: auto;
    gap: 5px;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    margin-top: 8px;
  }

  .shop-header .logo img {
    height: 45px;
  }

  .shop-nav a {
    padding: 0 6px;
    font-size: 0.8em;
    white-space: nowrap;
  }

  .header-nalog {
    order: 2;
    flex: 0 0 auto;
    gap: 5px;
    font-size: 0.8em;
  }

  .header-nalog span {
    display: inline;
  }

  .header-nalog button {
    padding: 4px 8px;
    font-size: 0.8em;
  }

  /* Layout */
  .shop-layout {
    padding: 0 8px;
    gap: 0;
  }

  .katalog-glavni {
    flex: 1;
    width: 100%;
  }

  .sidebar {
    display: none;
  }

  .katalog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .kartica {
    padding: 6px;
    border-radius: 4px;
  }

  .kartica img {
    height: 90px;
    margin-bottom: 4px;
  }

  .kartica .naziv {
    font-size: 0.8em;
    min-height: 32px;
    margin-bottom: 2px;
  }

  .kartica .sifra {
    font-size: 0.65em;
    margin-bottom: 3px;
  }

  .kartica .cena {
    font-size: 0.95em;
    margin-bottom: 6px;
    font-weight: 700;
  }

  .kartica .btn {
    padding: 5px 6px;
    font-size: 0.75em;
  }

  /* Forma */
  .forma-container {
    max-width: 100%;
    margin: 15px 10px;
    padding: 15px;
  }

  .forma-container h1 {
    font-size: 1.1em;
    margin-bottom: 12px;
  }

  .forma-container label {
    font-size: 0.8em;
  }

  .forma-container input,
  .forma-container textarea,
  .forma-container select {
    padding: 6px;
    margin-bottom: 10px;
    font-size: 16px;
  }

  /* Tabele */
  .korpa-tabela,
  .admin-tabela {
    font-size: 0.7em;
    width: 100%;
    display: table;
    table-layout: auto;
    overflow: visible;
  }

  .korpa-tabela th,
  .korpa-tabela td,
  .admin-tabela th,
  .admin-tabela td {
    padding: 6px 4px !important;
    word-break: break-word;
  }

  /* Sakrij kolone na mobilnom - admin tabela */
  .admin-tabela th:nth-child(1),
  .admin-tabela td:nth-child(1),
  .admin-tabela th:nth-child(4),
  .admin-tabela td:nth-child(4) {
    display: none;
  }

  /* Sakrij kolone na mobilnom - korpa tabela */
  .korpa-tabela th:nth-child(1),
  .korpa-tabela td:nth-child(1) {
    display: none;
  }

  /* Sakrij kolone na mobilnom - narudžbe tabela */
  .admin-tabela.admin-tabela th:nth-child(2),
  .admin-tabela.admin-tabela td:nth-child(2),
  .admin-tabela.admin-tabela th:nth-child(4),
  .admin-tabela.admin-tabela td:nth-child(4) {
    display: none;
  }

  .korpa-tabela img,
  .admin-tabela img {
    display: none;
  }

  .korpa-tabela input[type="number"] {
    width: 40px;
    padding: 2px;
    font-size: 0.8em;
  }

  .korpa-tabela input[type="number"] {
    width: 45px;
    padding: 3px;
    font-size: 0.8em;
  }

  .korpa-ukupno {
    font-size: 1em;
    margin: 10px 0;
  }

  .korpa-akcije {
    text-align: center;
  }

  .btn {
    padding: 6px 12px;
    font-size: 0.85em;
  }

  .forma-container .btn {
    width: 100%;
  }

  /* Admin */
  .admin-layout {
    width: 100%;
    max-width: 100%;
    padding: 0 10px;
    margin: 15px 0;
  }

  .admin-layout h1 {
    font-size: 1.2em;
    margin-bottom: 15px;
  }

  .admin-akcije {
    margin-bottom: 15px;
    gap: 6px;
  }

  .admin-tabela button {
    padding: 4px 8px;
    font-size: 0.7em;
    margin-right: 3px;
    margin-bottom: 3px;
  }

  .modal-sadrzaj {
    width: 95vw;
    max-height: 95vh;
    padding: 15px;
    border-radius: 8px;
  }

  .modal-sadrzaj h1 {
    font-size: 1.2em;
    margin-bottom: 12px;
  }

  .modal-sadrzaj .forma-container label {
    font-size: 0.85em;
  }

  .modal-zatvori {
    font-size: 1.5em;
    top: 8px;
    right: 10px;
  }

  /* Checkbox dostupnost */
  .checkbox-dostupnost {
    width: 16px;
    height: 16px;
  }

  /* Admin tabela specifično */
  .narudzba-detalji > td {
    padding: 15px 10px;
  }

  /* Plutajuća korpa */
  #plutajuca-korpa {
    bottom: 10px;
    right: 10px;
    width: 45px;
    height: 45px;
    font-size: 20px;
  }

  .fab-badge {
    width: 18px;
    height: 18px;
    font-size: 7px;
  }

  /* Toast */
  .toast-notifikacija {
    max-width: 85vw;
    font-size: 0.8em;
    padding: 8px 12px;
    top: 10px;
  }

  .prazna-korpa {
    padding: 20px 10px;
  }

  /* Touch-friendly targets (44x44px minimum) */
  .btn,
  button,
  a.btn,
  .kartica .btn {
    min-height: 44px;
    min-width: 44px;
  }

  .forma-container input,
  .forma-container textarea,
  .forma-container select,
  .sidebar input,
  .sidebar select {
    min-height: 44px;
    padding: 8px;
  }

  .checkbox-dostupnost {
    min-width: 24px;
    min-height: 24px;
  }
}