:root {
  --plava: #1d4ed8;
  --plava-tamna: #1e3a8a;
  --narandzasta: #f97316;
  --tamna: #0f172a;
  --tekst: #1e293b;
  --siva: #64748b;
  --ivica: #e2e8f0;
  --pozadina: #f5f7fb;
  --bela: #fff;
  --senka: 0 1px 2px rgba(15,23,42,.05), 0 8px 24px rgba(15,23,42,.07);
  --senka-jaka: 0 2px 6px rgba(15,23,42,.06), 0 18px 40px rgba(15,23,42,.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--tekst); background: var(--pozadina); line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: var(--plava); }
img, canvas { max-width: 100%; }
h1, h2, h3 { color: var(--tamna); line-height: 1.25; letter-spacing: -.3px; }
.omot { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
[hidden] { display: none !important; }

/* Zaglavlje */
.vrh { background: var(--bela); border-bottom: 1px solid var(--ivica); position: sticky; top: 0; z-index: 50; }
.vrh-red { display: flex; align-items: center; gap: 24px; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--tamna); font-weight: 800; font-size: 22px; letter-spacing: -.5px; flex-shrink: 0; }
.logo b { color: var(--plava); font-weight: 800; }
.logo-svetli { color: #fff; }
.logo-svetli b { color: #93c5fd; }
.glavni-meni { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.glavni-meni > a, .svi-dugme { text-decoration: none; color: var(--tekst); font-weight: 600; font-size: 15px; padding: 9px 12px; border-radius: 8px; background: none; border: 0; font-family: inherit; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.glavni-meni > a:hover, .svi-dugme:hover { background: #eff4ff; color: var(--plava); }
.svi-alati { position: relative; }
.padajuci { position: absolute; right: 0; top: calc(100% + 8px); background: #fff; border: 1px solid var(--ivica); border-radius: 16px; box-shadow: var(--senka-jaka); padding: 20px; display: grid; grid-template-columns: repeat(5, 180px); gap: 8px 18px; opacity: 0; visibility: hidden; transform: translateY(6px); transition: .15s ease; }
.svi-alati:hover .padajuci, .svi-alati:focus-within .padajuci { opacity: 1; visibility: visible; transform: none; }
.padajuci h4 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .8px; color: var(--siva); }
.padajuci a { display: flex; align-items: center; gap: 8px; padding: 6px 8px; margin: 0 -8px; border-radius: 8px; text-decoration: none; color: var(--tekst); font-size: 14px; font-weight: 500; }
.padajuci a:hover { background: #f1f5f9; }
.mala-ikona { display: inline-flex; }
.meni-dugme { display: none; margin-left: auto; width: 42px; height: 42px; border: 0; background: none; cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; padding: 10px; }
.meni-dugme span { display: block; height: 2px; background: var(--tamna); border-radius: 2px; }

/* Dugmad */
.dugme { --boja: var(--plava); display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--boja); color: #fff; border: 0; border-radius: 12px; padding: 12px 22px; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; transition: filter .15s, transform .1s, box-shadow .15s; }
.dugme:hover { filter: brightness(.92); }
.dugme:active { transform: scale(.98); }
.dugme:disabled { opacity: .5; cursor: not-allowed; }
.dugme-veliko { padding: 18px 34px; font-size: 19px; border-radius: 14px; box-shadow: 0 8px 20px -6px color-mix(in srgb, var(--boja) 60%, transparent); }
.dugme-puno { width: 100%; }
.dugme-obrub { background: #fff; color: var(--tamna); border: 1.5px solid #cbd5e1; }
.dugme-obrub:hover { filter: none; border-color: var(--tamna); }
.dugme-malo { padding: 7px 12px; font-size: 14px; border-radius: 9px; }

/* Početna */
.junak { text-align: center; padding: 56px 0 30px; }
.junak h1 { font-size: clamp(30px, 5vw, 50px); margin: 0 0 14px; letter-spacing: -1px; }
.junak p { font-size: clamp(17px, 2.2vw, 21px); color: var(--siva); max-width: 760px; margin: 0 auto; }
.filteri { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 26px 0 26px; }
.filteri button { border: 1.5px solid var(--ivica); background: #fff; border-radius: 999px; padding: 8px 18px; font: inherit; font-weight: 600; font-size: 15px; color: var(--tekst); cursor: pointer; }
.filteri button.aktivan { background: var(--tamna); border-color: var(--tamna); color: #fff; }
.mreza-alata { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 16px; }
.kartica-alata { display: flex; flex-direction: column; gap: 10px; background: #fff; border: 1px solid var(--ivica); border-radius: 16px; padding: 22px; text-decoration: none; color: var(--tekst); box-shadow: 0 1px 2px rgba(15,23,42,.04); transition: transform .18s ease, box-shadow .18s ease, border-color .18s; }
.kartica-alata:hover { transform: translateY(-4px); box-shadow: var(--senka-jaka); border-color: transparent; }
.kartica-alata b { color: var(--tamna); font-size: 19px; }
.kartica-alata small { color: var(--siva); font-size: 15px; line-height: 1.5; }
.kartica-ikona { width: 52px; height: 52px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; }
.mreza-mala { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.mreza-mala .kartica-alata { flex-direction: row; align-items: center; padding: 14px 16px; }
.mreza-mala .kartica-ikona { width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0; }
.mreza-mala .kartica-alata b { font-size: 16px; }
.prednosti { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin: 64px 0 20px; }
.prednost { background: #fff; border-radius: 18px; padding: 26px; border: 1px solid var(--ivica); }
.prednost .znak { font-size: 30px; }
.prednost h3 { margin: 10px 0 6px; font-size: 19px; }
.prednost p { margin: 0; color: var(--siva); }
.sekcija-tekst { max-width: 820px; margin: 60px auto 20px; }
.sekcija-tekst p, .sekcija-tekst li { font-size: 17px; }

/* Stranica alata */
.alat-glava { text-align: center; padding: 46px 0 8px; }
.alat-glava h1 { font-size: clamp(30px, 4.5vw, 44px); margin: 0 0 10px; }
.alat-glava p { font-size: clamp(17px, 2vw, 20px); color: var(--siva); margin: 0 auto; max-width: 720px; }
.radno { margin-top: 26px; min-height: 340px; }
.zona { text-align: center; border: 2.5px dashed #cbd5e1; border-radius: 22px; padding: 48px 20px 36px; background: #fff; transition: border-color .15s, background .15s; }
.zona.iznad { border-color: var(--boja); background: color-mix(in srgb, var(--boja) 6%, #fff); }
.zona-ikona { margin-bottom: 14px; }
.zona-tekst { color: var(--siva); margin: 14px 0 0; }
.zona-privatnost { font-size: 14px; color: var(--siva); margin: 22px auto 0; max-width: 540px; }
.radni { display: grid; grid-template-columns: 1fr 340px; gap: 22px; align-items: start; }
.radni-levo { background: #fff; border: 1px solid var(--ivica); border-radius: 20px; padding: 18px; min-height: 320px; }
.radni-traka { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.radni-desno { background: #fff; border: 1px solid var(--ivica); border-radius: 20px; padding: 22px; position: sticky; top: 84px; box-shadow: var(--senka); }
.radni-desno h2 { margin: 0 0 14px; font-size: 22px; }
.opcije { margin-bottom: 18px; }
.opcije label.natpis, .natpis { display: block; font-weight: 600; font-size: 14px; color: var(--tamna); margin: 14px 0 6px; }
.opcije input[type=text], .opcije input[type=number], .opcije input[type=password], .opcije select, .opcije textarea { width: 100%; padding: 10px 12px; border: 1.5px solid #cbd5e1; border-radius: 10px; font: inherit; background: #fff; }
.opcije input:focus, .opcije select:focus { outline: none; border-color: var(--plava); }
.izbor { display: flex; flex-direction: column; gap: 8px; }
.izbor label { display: flex; align-items: flex-start; gap: 10px; border: 1.5px solid var(--ivica); border-radius: 12px; padding: 11px 13px; cursor: pointer; font-size: 15px; }
.izbor label small { display: block; color: var(--siva); font-size: 13px; }
.izbor label:has(input:checked) { border-color: var(--plava); background: #eff4ff; }
.izbor input { margin-top: 4px; accent-color: var(--plava); }
.red-izbora { display: flex; flex-wrap: wrap; gap: 6px; }
.red-izbora label { flex: 1 1 auto; text-align: center; border: 1.5px solid var(--ivica); border-radius: 10px; padding: 8px 10px; cursor: pointer; font-size: 14px; font-weight: 600; }
.red-izbora label:has(input:checked) { border-color: var(--plava); background: #eff4ff; color: var(--plava); }
.red-izbora input { position: absolute; opacity: 0; pointer-events: none; }
.napomena { font-size: 13px; color: var(--siva); margin: 10px 0 0; }
.greska { background: #fef2f2; color: #b91c1c; border-radius: 10px; padding: 10px 12px; font-size: 14px; font-weight: 500; }

.fajlovi { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.fajl { position: relative; background: #f8fafc; border: 1.5px solid var(--ivica); border-radius: 14px; padding: 10px; text-align: center; cursor: grab; user-select: none; transition: border-color .15s, box-shadow .15s, opacity .15s; }
.fajl:hover { border-color: #94a3b8; }
.fajl.vuce { opacity: .4; }
.fajl .slika { height: 170px; display: flex; align-items: center; justify-content: center; }
.fajl canvas, .fajl img { max-height: 170px; max-width: 100%; box-shadow: 0 1px 4px rgba(0,0,0,.18); background: #fff; transition: transform .2s ease; }
.fajl .ime { font-size: 13px; font-weight: 600; margin-top: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fajl .info { font-size: 12px; color: var(--siva); }
.fajl .akcije { position: absolute; top: 6px; right: 6px; display: flex; gap: 4px; opacity: 0; transition: opacity .15s; }
.fajl:hover .akcije, .fajl:focus-within .akcije { opacity: 1; }
.fajl .akcije button { width: 30px; height: 30px; border-radius: 50%; border: 0; background: var(--tamna); color: #fff; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; font-size: 15px; }
.fajl .akcije button:hover { background: var(--plava); }
.fajl.oznacen { border-color: var(--plava); box-shadow: 0 0 0 3px #bfdbfe; }
.fajl.izbacen { opacity: .45; }
.fajl.izbacen::after { content: '✕'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 64px; color: #dc2626; font-weight: 300; }
.fajl .kvacica { position: absolute; top: 8px; left: 8px; width: 24px; height: 24px; border-radius: 50%; border: 2px solid #94a3b8; background: #fff; }
.fajl.oznacen .kvacica { background: var(--plava); border-color: var(--plava); }
.fajl.oznacen .kvacica::after { content: '✓'; color: #fff; font-size: 14px; font-weight: 700; display: flex; justify-content: center; line-height: 20px; }
.fajl .broj { position: absolute; bottom: 8px; left: 8px; background: var(--tamna); color: #fff; font-size: 11px; font-weight: 700; border-radius: 6px; padding: 1px 7px; }
.uvek-akcije .fajl .akcije { opacity: 1; }

.obrada, .gotovo { text-align: center; background: #fff; border: 1px solid var(--ivica); border-radius: 22px; padding: 60px 20px; }
.vrtesko { width: 54px; height: 54px; margin: 0 auto 18px; border: 5px solid #e2e8f0; border-top-color: var(--plava); border-radius: 50%; animation: okret .8s linear infinite; }
@keyframes okret { to { transform: rotate(360deg); } }
.obrada p { font-weight: 600; font-size: 18px; color: var(--tamna); }
.gotovo-znak { width: 70px; height: 70px; margin: 0 auto 10px; border-radius: 50%; background: #dcfce7; color: #16a34a; font-size: 38px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.gotovo h2 { margin: 6px 0; font-size: 30px; }
.gotovo p { color: var(--siva); font-size: 17px; }
.gotovo-dugmad { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.gotovo-napomena { font-size: 14px !important; }

.sadrzaj-alata { max-width: 860px; margin-top: 64px; }
.sadrzaj-alata > h2 { font-size: 28px; }
.koraci { list-style: none; padding: 0; margin: 20px 0 10px; display: grid; gap: 14px; }
.koraci li { display: flex; gap: 16px; align-items: flex-start; background: #fff; border: 1px solid var(--ivica); border-radius: 16px; padding: 16px 18px; }
.koraci li > span { flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; background: var(--plava); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.koraci li > div { padding-top: 5px; }
.tekst { margin-top: 30px; }
.tekst h2 { font-size: 26px; margin-top: 40px; }
.tekst h3 { font-size: 20px; margin-top: 28px; }
.tekst p, .tekst li { font-size: 17px; line-height: 1.75; }
.tekst table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; margin: 14px 0; font-size: 15px; }
.tekst th, .tekst td { padding: 10px 12px; border-bottom: 1px solid var(--ivica); text-align: left; }
.tekst th { background: #f1f5f9; }
.pitanja { margin-top: 40px; }
.pitanja h2 { font-size: 26px; }
.pitanja details { background: #fff; border: 1px solid var(--ivica); border-radius: 14px; padding: 15px 18px; margin-bottom: 10px; }
.pitanja summary { font-weight: 600; cursor: pointer; color: var(--tamna); }
.pitanja details div { margin-top: 10px; }
.srodni { margin-top: 56px; margin-bottom: 70px; }
.srodni h2 { font-size: 24px; }

/* Obične stranice */
.stranica { max-width: 820px; margin: 46px auto 70px; }
.stranica h1 { font-size: clamp(30px, 4.5vw, 42px); }
.stranica p, .stranica li { font-size: 17px; line-height: 1.75; }
.kartica { background: #fff; border: 1px solid var(--ivica); border-radius: 20px; padding: clamp(20px, 4vw, 34px); box-shadow: var(--senka); }
.forma .polje { margin-bottom: 14px; }
.forma label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.forma input, .forma select, .forma textarea { width: 100%; padding: 11px 13px; border: 1.5px solid #cbd5e1; border-radius: 10px; font: inherit; }
.forma textarea { min-height: 150px; }
.obavestenje { padding: 14px 18px; border-radius: 12px; margin-bottom: 18px; }
.obavestenje.uspeh { background: #dcfce7; color: #166534; }
.obavestenje.neuspeh { background: #fee2e2; color: #991b1b; }
.skriveno { position: absolute; left: -9999px; }

/* Podnožje */
.dno { background: var(--tamna); color: #cbd5e1; padding: 52px 0 0; margin-top: 40px; }
.dno-red { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.dno h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .8px; margin: 0 0 12px; }
.dno h4 + a { margin-top: 0; }
.dno a { display: block; color: #cbd5e1; text-decoration: none; font-size: 15px; margin-bottom: 7px; }
.dno a:hover { color: #fff; }
.dno div > h4:not(:first-child) { margin-top: 22px; }
.dno-o p { font-size: 15px; max-width: 340px; margin-top: 14px; }
.dno-kraj { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; border-top: 1px solid #1e293b; margin-top: 36px; padding: 20px 16px; font-size: 14px; color: #94a3b8; }
.dno-kraj nav { display: flex; gap: 18px; flex-wrap: wrap; }
.dno-kraj a { display: inline; margin: 0; font-size: 14px; }

/* Potpis */
.potpis-platno { width: 100%; height: 170px; border: 1.5px dashed #94a3b8; border-radius: 12px; background: #fff; touch-action: none; cursor: crosshair; }
.stranica-potpis { position: relative; display: inline-block; margin: 0 auto 18px; box-shadow: 0 2px 10px rgba(0,0,0,.15); }
.stranica-potpis canvas { display: block; }
.postavljen-potpis { position: absolute; border: 1.5px dashed var(--plava); cursor: move; touch-action: none; }
.postavljen-potpis img { width: 100%; height: 100%; display: block; pointer-events: none; }
.postavljen-potpis .ukloni { position: absolute; top: -12px; right: -12px; width: 24px; height: 24px; border-radius: 50%; border: 0; background: #dc2626; color: #fff; cursor: pointer; font-size: 13px; }
.postavljen-potpis .rucka { position: absolute; right: -7px; bottom: -7px; width: 14px; height: 14px; background: var(--plava); border-radius: 3px; cursor: nwse-resize; }
.stranice-potpis { text-align: center; }
.stranice-potpis .oznaka-strane { font-size: 13px; color: var(--siva); margin-bottom: 4px; }
textarea.izlaz-teksta { width: 100%; min-height: 380px; font-family: ui-monospace, Consolas, monospace; font-size: 14px; border: 1.5px solid var(--ivica); border-radius: 12px; padding: 12px; }

@media (max-width: 1100px) {
  .padajuci { grid-template-columns: repeat(3, 180px); }
}
@media (max-width: 900px) {
  .glavni-meni { display: none; position: absolute; top: 66px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 10px 16px 18px; border-bottom: 1px solid var(--ivica); box-shadow: var(--senka); max-height: calc(100vh - 66px); overflow: auto; }
  .meni-otvoren .glavni-meni { display: flex; }
  .meni-dugme { display: flex; }
  .padajuci { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 8px 0; grid-template-columns: 1fr 1fr; }
  .svi-dugme { display: none; }
  .radni { grid-template-columns: 1fr; }
  .radni-desno { position: static; }
  .dno-red { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .fajlovi { grid-template-columns: repeat(2, 1fr); }
  .fajl .slika { height: 140px; }
  .fajl canvas, .fajl img { max-height: 140px; }
  .fajl .akcije { opacity: 1; }
  .padajuci { grid-template-columns: 1fr; }
  .dno-red { grid-template-columns: 1fr; }
  .dugme-veliko { padding: 16px 24px; font-size: 17px; }
  .zona { padding: 36px 14px 28px; }
}