:root {
    --bg: #f4f5f7;
    --card: #ffffff;
    --text: #1f2430;
    --muted: #8a8f98;
    --border: #e3e5ea;
    --primary: #1f7a4d;
    --primary-dark: #145c39;
    --danger: #e0483e;
    --done: #b9bec9;
    --radius: 14px;
}

* { box-sizing: border-box; }

/* Bez ovoga, elementi koji imaju i [hidden] atribut i vlastiti
   "display: flex/block" u CSS-u (npr. panel za novu kategoriju) ostaju
   vidljivi jer autorski CSS inace nadjaca zadano [hidden]{display:none}
   pravilo preglednika. */
[hidden] { display: none !important; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--primary); }

button {
    font-family: inherit;
    cursor: pointer;
}

input {
    font-family: inherit;
}

/* ---------- Pocetna stranica ---------- */

.pocetna-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.pocetna-karta {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 2px 16px rgba(20, 20, 40, 0.06);
    padding: 32px 28px;
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.pocetna-karta h1 {
    font-size: 22px;
    margin: 0 0 6px;
}

.pocetna-karta .podnaslov {
    color: var(--muted);
    font-size: 14px;
    margin: 0 0 24px;
}

.gumb-glavni {
    display: block;
    width: 100%;
    padding: 14px 16px;
    border: none;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
}

.gumb-glavni:active { background: var(--primary-dark); }

.razdjelnik {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 12px;
    margin: 18px 0;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.razdjelnik::before, .razdjelnik::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.unos-koda {
    display: flex;
    gap: 8px;
}

.unos-koda input {
    flex: 1;
    min-width: 0;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 18px;
    letter-spacing: 0.12em;
    text-align: center;
    text-transform: uppercase;
}

.unos-koda button {
    padding: 0 18px;
    border: 1px solid var(--primary);
    border-radius: 10px;
    background: #fff;
    color: var(--primary);
    font-weight: 600;
}

.poruka-greska {
    margin-top: 14px;
    color: var(--danger);
    font-size: 13px;
    min-height: 16px;
}

/* ---------- Popis (glavna app stranica) ---------- */

/* Mobile-first: na uskom ekranu container ispuni širinu (prirodan app
   izgled), na širem ekranu (desktop) ostaje uzak, centriran "telefonski"
   stupac umjesto da se razvlači preko cijelog prozora. */
.app-container {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    background: var(--bg);
    display: flex;
    flex-direction: column;
}

@media (min-width: 481px) {
    .app-container {
        max-width: 720px;
        box-shadow: 0 0 0 1px var(--border), 0 8px 30px rgba(20, 20, 40, 0.06);
    }
}

.app-header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    position: sticky;
    top: 0;
    z-index: 5;
}

.app-header .kod-blok {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.app-header .kod-oznaka {
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.app-header .kod-vrijednost {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.app-header .akcije {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.icon-btn {
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 13px;
    color: var(--text);
    white-space: nowrap;
}

.icon-btn-istaknuto {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    font-weight: 600;
}

.instaliraj-traka {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    background: #e9f5ef;
    border-bottom: 1px solid var(--border);
    padding: 8px 16px;
    font-size: 13px;
    color: var(--primary-dark);
}

.instaliraj-traka-inline {
    border: 1px solid var(--border);
    border-radius: 10px;
    margin: 4px 0 6px;
}

.instaliraj-gumbi {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: none;
}

.instaliraj-gumbi #instaliraj-btn {
    border: 1px solid var(--primary);
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 8px;
    white-space: nowrap;
}

.instaliraj-gumbi #instaliraj-zatvori {
    border: none;
    background: transparent;
    color: var(--muted);
    font-size: 15px;
    padding: 4px 6px;
    line-height: 1;
}

.tab-traka-wrap {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 53px;
    z-index: 4;
}

.tab-traka {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 8px 12px;
    scrollbar-width: thin;
}

.tab-traka::-webkit-scrollbar { height: 6px; }
.tab-traka::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.tab {
    flex: 0 0 auto;
    padding: 9px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    font-size: 14px;
    white-space: nowrap;
    cursor: grab;
    touch-action: manipulation;
}

/* ---------- Drag & drop (SortableJS) - redoslijed tabova i stavki ---------- */

.sortable-duh {
    opacity: 0.35;
}

.sortable-odabran {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.sortable-povlaci {
    cursor: grabbing;
}

.stavka {
    touch-action: manipulation;
}

.tab.aktivan {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    font-weight: 600;
}

.tab-uredi-ikona {
    opacity: 0.85;
    font-size: 12px;
}

.tab-dodaj {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px dashed var(--muted);
    background: #fff;
    color: var(--muted);
    font-size: 18px;
    line-height: 1;
    /* ostaje na vidljivom dijelu trake i kad ima puno kategorija pa se
       traka skrola udesno - ne treba skrolati natrag da bi se dodala nova */
    position: sticky;
    left: 0;
    z-index: 1;
}

.nova-kategorija-panel {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nova-kategorija-naslov {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.nova-kategorija-panel input {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    width: 100%;
    text-transform: uppercase;
}

.nova-kategorija-gumbi {
    display: flex;
    gap: 8px;
}

.nova-kategorija-gumbi button {
    flex: 1;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    background: var(--primary);
    color: #fff;
}

.nova-kategorija-gumbi button.sekundarni {
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
    font-weight: 500;
}

.sadrzaj {
    flex: 1;
    padding: 16px;
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
}

.prazno-stanje {
    text-align: center;
    color: var(--muted);
    padding: 60px 20px;
    font-size: 14px;
}

.dodaj-stavku {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.dodaj-stavku input {
    flex: 1;
    min-width: 0;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    background: var(--card);
    text-transform: uppercase;
}

.dodaj-stavku button {
    padding: 0 18px;
    border: none;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}

.stavke {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stavka {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 12px;
}

.stavka .tekst {
    flex: 1;
    font-size: 15px;
    word-break: break-word;
    cursor: text;
}

.stavka .uredi-stavku-input {
    flex: 1;
    min-width: 0;
    font-family: inherit;
    font-size: 15px;
    padding: 4px 6px;
    border: 1px solid var(--primary);
    border-radius: 6px;
    background: #fff;
    text-transform: uppercase;
}

.stavka.gotovo {
    opacity: 0.6;
}

.stavka.gotovo .tekst {
    text-decoration: line-through;
    color: var(--done);
}

.stavka-gumbi {
    flex: 0 0 auto;
    display: flex;
    gap: 6px;
}

.stavka .ukloni-btn {
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--muted);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.stavka.gotovo .ukloni-btn {
    border-color: var(--danger);
    color: var(--danger);
}

.stavka .vrati-btn {
    border-color: var(--primary);
    color: var(--primary);
    font-size: 16px;
}

.tab-info {
    text-align: center;
    color: var(--muted);
    font-size: 12px;
    margin-top: -8px;
    margin-bottom: 14px;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    background: var(--text);
    color: #fff;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 13px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.toast.prikazan {
    opacity: 1;
}

.app-footer {
    background: var(--primary);
    text-align: center;
    padding: 12px 16px 14px;
}

.app-footer-pravila {
    margin: 0 0 8px;
    font-size: 11px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.85);
}

.app-footer-pravila a {
    color: #fff;
    font-weight: 600;
    text-decoration: underline;
}

.app-footer a.app-footer-mateva {
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none;
    font-size: 13px;
}

.app-footer a.app-footer-mateva:hover {
    text-decoration: underline;
}

/* ---------- Modal za prihvat pravila (prvi ekran) ---------- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20, 20, 30, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 50;
}

.modal-kartica {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    padding: 26px 22px;
    max-width: 420px;
    width: 100%;
    text-align: left;
}

.modal-kartica h2 {
    margin: 0 0 10px;
    font-size: 18px;
}

.modal-kartica p {
    margin: 0 0 20px;
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--text);
}

.modal-kartica p a {
    color: var(--primary);
    font-weight: 600;
}

/* ---------- Pravila korištenja ---------- */

.pravila-tekst {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text);
}

.pravila-tekst h2 {
    font-size: 15px;
    margin: 22px 0 6px;
}

.pravila-tekst h2:first-of-type {
    margin-top: 4px;
}

.pravila-tekst p {
    margin: 0 0 12px;
}

.pravila-tekst a {
    color: var(--primary);
    font-weight: 600;
}

.pravila-datum {
    color: var(--muted);
    font-size: 12px;
    margin-top: 24px !important;
}

.upute-ikona {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    line-height: 1;
    text-decoration: none;
}

.pocetna-upute-link {
    position: fixed;
    top: 14px;
    right: 16px;
    z-index: 2;
}

@media (max-width: 420px) {
    .app-header .kod-vrijednost { font-size: 16px; }
    .pocetna-karta { padding: 26px 20px; }
    .app-header { flex-wrap: wrap; }
    .icon-btn { padding: 6px 8px; font-size: 12px; }
}

/* ---------- Napomena o brisanju neaktivnih popisa ---------- */

.napomena-brisanje {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: #fff6e0;
    border-bottom: 1px solid #f0dfb0;
    padding: 8px 16px;
    font-size: 13px;
    color: #7a5a00;
}

.napomena-brisanje button {
    background: none;
    border: 0;
    color: inherit;
    font-size: 15px;
    padding: 2px 4px;
    flex: none;
}