/* ŽuvelaHUB: Početna (Glavna) i Prijava web aplikacije.
   Izgled: docs/mockups/inventory_landing.html (Branka, 30.9.2026.).

   Sve boje dolaze iz tokena (tokens.css), pa tamni način, koji poslužitelj
   uključuje atributom data-theme="dark" na <html>, radi sam. Iznimka su
   samo vlastite varijable ispod (lijeva ploča Prijave). Font je kao u ostatku
   aplikacije (Inter, --font-sans). */

:root {
  --pocetna-panel: #192744;
  --pocetna-panel-tekst: #FFFFFF;
  --pocetna-sjena: color-mix(in srgb, var(--text) 30%, transparent);
  --pocetna-sjaj: color-mix(in srgb, var(--accent) 12%, transparent);
  --pocetna-prsten: color-mix(in srgb, var(--accent) 22%, transparent);
}
:root[data-theme="dark"] {
  --pocetna-panel: var(--bg-panel);
  --pocetna-panel-tekst: var(--text);
}

/* =========================== POČETNA =========================== */
.pocetna { max-width: 1200px; margin: 0 auto; padding: 24px 8px 56px; font-family: var(--font-sans); }
.pocetna a { color: inherit; text-decoration: none; }
.pocetna .pozdrav { margin: 0; font-size: 42px; line-height: 1.05; font-weight: 500; letter-spacing: -0.03em; color: var(--text); }
.pocetna .datum { margin: 8px 0 0; font-size: 17px; color: var(--text-3); }
.pocetna .datum .sat { font-variant-numeric: tabular-nums; color: var(--text); }
.pocetna .datum .dv { animation: pocetna-treptaj 1s steps(1) infinite; }

.mreza-modula { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 34px; }
.modul-ploca {
  position: relative; isolation: isolate;
  display: flex; flex-direction: column; justify-content: space-between; gap: 30px; min-height: 148px; padding: 22px;
  background: var(--bg-panel); border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
  color: var(--text);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.modul-ploca:hover, .modul-ploca:focus-visible {
  border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 10px 24px -14px var(--pocetna-sjena);
}
.modul-ploca:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.modul-ploca .znak {
  position: relative; overflow: hidden; width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--bg); color: var(--text);
  transition: background .18s ease, color .18s ease, transform .25s cubic-bezier(.34,1.56,.64,1);
}
.modul-ploca:hover .znak, .modul-ploca:focus-visible .znak { background: var(--text); color: var(--bg); transform: scale(1.06); }
.modul-ploca .znak svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transform-origin: 50% 50%; }
.modul-ploca .dno { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.modul-ploca .ime { font-size: 19px; font-weight: 500; letter-spacing: -0.015em; }
.modul-ploca .strelica { width: 20px; height: 20px; flex: none; color: var(--accent); opacity: 0; transform: translateX(-8px); transition: opacity .18s ease, transform .18s ease; }
.modul-ploca .strelica svg { width: 20px; height: 20px; display: block; }
.modul-ploca:hover .strelica, .modul-ploca:focus-visible .strelica { opacity: 1; transform: none; }

/* svjetlo koje prati miš po pločici */
.modul-ploca::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), var(--pocetna-sjaj), transparent 65%);
  opacity: 0; transition: opacity .25s ease;
}
.modul-ploca:hover::before { opacity: 1; }

/* ikone koje nešto rade na hover */
.modul-ploca:hover .znak svg { animation: pocetna-skok .45s ease; }
.modul-ploca[data-m="Svježa"]:hover .znak svg { animation: pocetna-pliva .9s ease-in-out infinite; }
.modul-ploca[data-m="Dolazak"]:hover .znak svg,
.modul-ploca[data-m="Nabava"]:hover .znak svg { animation: pocetna-vozi .5s ease-in-out infinite; }
.modul-ploca[data-m="Dispo"]:hover .znak svg { animation: pocetna-okret .5s cubic-bezier(.34,1.56,.64,1); }
.modul-ploca[data-m="Narudžbe"]:hover .znak svg { animation: pocetna-unatrag .6s ease; }
.modul-ploca[data-m="Izvještaji"]:hover .znak svg,
.modul-ploca[data-m="Zadaci"]:hover .znak svg,
.modul-ploca[data-m="Generator"]:hover .znak svg { animation: none; }
.modul-ploca[data-m="Izvještaji"]:hover path:last-child { stroke-dasharray: 20; animation: pocetna-crtaj .7s ease backwards; }
.modul-ploca[data-m="Zadaci"]:hover path:nth-child(-n+3) { stroke-dasharray: 7; animation: pocetna-crtaj-k .35s ease backwards; }
.modul-ploca[data-m="Zadaci"]:hover path:nth-child(2) { animation-delay: .15s; }
.modul-ploca[data-m="Zadaci"]:hover path:nth-child(3) { animation-delay: .3s; }
.modul-ploca[data-m="Generator"] .znak::after {
  content: ""; position: absolute; left: 11px; right: 11px; top: 14px; height: 2px; border-radius: 1px;
  background: var(--accent); box-shadow: 0 0 8px var(--accent); opacity: 0;
}
.modul-ploca[data-m="Generator"]:hover .znak::after { animation: pocetna-sken 1.1s ease-in-out infinite alternate; }

@keyframes pocetna-skok { 40% { transform: translateY(-3px); } 70% { transform: translateY(1px); } }
@keyframes pocetna-pliva { 0%, 100% { transform: translateX(-1px) rotate(-5deg); } 50% { transform: translateX(2px) rotate(5deg); } }
@keyframes pocetna-vozi { 0%, 100% { transform: translateX(-1px); } 50% { transform: translateX(2px) translateY(-1px); } }
@keyframes pocetna-okret { from { transform: rotate(0); } to { transform: rotate(90deg); } }
@keyframes pocetna-unatrag { from { transform: rotate(0); } to { transform: rotate(-360deg); } }
@keyframes pocetna-crtaj { from { stroke-dashoffset: 20; } to { stroke-dashoffset: 0; } }
@keyframes pocetna-crtaj-k { from { stroke-dashoffset: 7; } to { stroke-dashoffset: 0; } }
@keyframes pocetna-sken { from { top: 13px; opacity: 1; } to { top: 37px; opacity: 1; } }
@keyframes pocetna-treptaj { 50% { opacity: .25; } }
@keyframes pocetna-ulaz { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* jedan ulaz pri otvaranju stranice: pozdrav, datum, pa pločice redom */
.pocetna .pozdrav, .pocetna .datum, .modul-ploca { animation: pocetna-ulaz .5s cubic-bezier(.2,.7,.2,1) backwards; }
.pocetna .datum { animation-delay: .06s; }
.modul-ploca { animation-delay: calc(.12s + var(--i, 0) * 35ms); }

/* =========================== PRIJAVA =========================== */
.prijava {
  min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  background: var(--bg); color: var(--text); font-family: var(--font-sans);
}
.prijava-lijevo {
  position: relative; isolation: isolate; background: var(--pocetna-panel); color: var(--pocetna-panel-tekst); overflow: hidden;
  padding: 44px 52px; display: flex; flex-direction: column; justify-content: space-between; gap: 48px;
}
.prijava-lijevo::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: url(/static/img/prijava_uzorak.svg) 0 0 / 40px 20px;
  -webkit-mask-image: linear-gradient(200deg, transparent 8%, black 78%); mask-image: linear-gradient(200deg, transparent 8%, black 78%);
  animation: pocetna-valovi 14s linear infinite;
}
.prijava-lijevo .logo { height: 40px; width: auto; align-self: flex-start; display: block; }
.prijava-lijevo h2 { margin: 0; color: inherit; font-size: 46px; line-height: 1.04; font-weight: 500; letter-spacing: -0.03em; max-width: 13ch; }
.prijava-desno { display: grid; place-items: center; padding: 40px 28px; }
.obrazac { width: 100%; max-width: 400px; }
.obrazac h1 { margin: 0; font-size: 34px; letter-spacing: -0.025em; font-weight: 500; line-height: 1.1; color: var(--text); }
.obrazac .uvod { margin: 8px 0 26px; color: var(--text-3); font-size: 16px; }
.polje { display: grid; gap: 8px; margin-bottom: 18px; }
.polje label { font-size: 15px; font-weight: 500; color: var(--text); }
.polje input {
  height: 50px; padding: 0 14px; border-radius: 12px; border: 1.5px solid var(--border-strong);
  background: var(--bg-panel); color: var(--text); font: inherit; font-size: 16px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.polje input:hover { border-color: var(--text-3); }
.polje input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--pocetna-prsten); }
.upozorenje {
  margin: 0 0 20px; padding: 12px 14px; border-radius: var(--radius-md); background: var(--danger-bg); color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent); font-size: 15px;
  animation: pocetna-trzaj .4s ease both;
}
.prijava .gumb {
  position: relative; overflow: hidden; width: 100%; min-height: 52px; border: 0; border-radius: var(--radius-lg);
  background: var(--text); color: var(--bg); font: inherit; font-size: 16px; font-weight: 500; cursor: pointer;
  transition: background .15s ease, transform .1s ease;
}
:root[data-theme="dark"] .prijava .gumb { background: var(--accent); color: var(--on-accent); }
.prijava .gumb:hover { background: var(--text-2); }
:root[data-theme="dark"] .prijava .gumb:hover { background: var(--accent-hover); }
.prijava .gumb:active { transform: translateY(1px); }
.prijava .gumb:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.prijava .gumb::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%; pointer-events: none;
  background: linear-gradient(100deg, transparent, color-mix(in srgb, var(--bg) 25%, transparent), transparent); transform: skewX(-20deg);
}
.prijava .gumb:hover::after { animation: pocetna-sjaj .8s ease; }
.pomoc { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--border-strong); display: grid; gap: 10px; font-size: 15px; color: var(--text-3); }
.pomoc b { color: var(--text); font-weight: 500; }

/* valovi na dnu lijeve ploče */
.prijava-lijevo .val {
  position: absolute; left: 0; right: 0; bottom: 0; height: 110px; z-index: -1; pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='110' viewBox='0 0 600 110'%3E%3Cpath d='M0 60 Q150 20 300 60 T600 60 V110 H0Z' fill='white'/%3E%3C/svg%3E") repeat-x 0 100% / 600px 110px; opacity: .05;
  animation: pocetna-val 16s linear infinite;
}
.prijava-lijevo .val.drugi { height: 80px; background-size: 420px 80px; opacity: .07; animation: pocetna-val2 10s linear infinite reverse; }
.prijava-lijevo .logo, .prijava-lijevo h2, .obrazac { animation: pocetna-ulaz .5s cubic-bezier(.2,.7,.2,1) backwards; }
.prijava-lijevo h2 { animation-delay: .1s; }
.obrazac { animation-delay: .05s; }

@keyframes pocetna-valovi { to { background-position: 80px 40px; } }
@keyframes pocetna-val { to { background-position: 600px 100%; } }
@keyframes pocetna-val2 { to { background-position: 420px 100%; } }
@keyframes pocetna-sjaj { to { left: 130%; } }
@keyframes pocetna-trzaj { 0%, 100% { transform: none; } 20%, 60% { transform: translateX(-5px); } 40%, 80% { transform: translateX(5px); } }

/* =========================== manji zasloni =========================== */
@media (max-width: 1000px) {
  .mreza-modula { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .prijava { grid-template-columns: 1fr; }
  .prijava-lijevo { padding: 28px 24px 32px; gap: 28px; }
  .prijava-lijevo h2 { font-size: 30px; }
  .prijava-desno { padding: 32px 20px 44px; place-items: start center; }
}
@media (max-width: 640px) {
  .pocetna { padding-top: 12px; }
  .pocetna .pozdrav { font-size: 32px; }
  .mreza-modula { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
  .modul-ploca { min-height: 128px; padding: 18px; }
}

/* bez pokreta */
@media (prefers-reduced-motion: reduce) {
  .pocetna *, .pocetna *::before, .pocetna *::after,
  .prijava, .prijava *, .prijava *::before, .prijava *::after { animation: none !important; transition: none !important; }
  .modul-ploca:hover, .modul-ploca:focus-visible, .modul-ploca:hover .znak, .prijava .gumb:active { transform: none; }
}