/* ==========================================================================
   Sidro — stilski sustav
   Svjetla i tamna tema, bez vanjskih fontova i biblioteka.
   ========================================================================== */

:root {
    --more:    #0b5e7d;          /* marinsko plava, glavna */
    --more-2:  #0a4f6a;
    --more-10: rgba(11, 94, 125, .10);
    --more-20: rgba(11, 94, 125, .20);
    --tirkiz:  #0f9b8e;          /* naglasak */

    --tinta:   #0f172a;
    --tinta-2: #334155;
    --sivo:    #64748b;
    --linija:  #e2e8f0;
    --linija-2:#eef2f6;
    --ploha:   #ffffff;
    --pozadina:#f4f7f9;
    --polje:   #ffffff;

    --ok-bg:   #e8f6ee;  --ok-ink:   #17663d;
    --paz-bg:  #fdf4e0;  --paz-ink:  #8a5d0b;
    --err-bg:  #fdecec;  --err-ink:  #97231f;
    --info-bg: #e8f1f7;  --info-ink: #0b5e7d;

    --r-s: 8px;
    --r-m: 12px;
    --r-l: 16px;

    --sjena-1: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .04);
    --sjena-2: 0 4px 12px rgba(15, 23, 42, .07), 0 1px 3px rgba(15, 23, 42, .05);
    --sjena-3: 0 12px 32px rgba(15, 23, 42, .12);
}

@media (prefers-color-scheme: dark) {
    :root {
        --more:    #3ba3c9;
        --more-2:  #5cb8da;
        --more-10: rgba(59, 163, 201, .14);
        --more-20: rgba(59, 163, 201, .26);
        --tirkiz:  #2fbfae;

        --tinta:   #e8eef4;
        --tinta-2: #c2cfdb;
        --sivo:    #93a4b5;
        --linija:  #27333f;
        --linija-2:#1e2833;
        --ploha:   #182029;
        --pozadina:#10161d;
        --polje:   #1d262f;

        --ok-bg:   #12311f;  --ok-ink:   #7fd6a1;
        --paz-bg:  #35290f;  --paz-ink:  #f0c56b;
        --err-bg:  #3a1a1a;  --err-ink:  #f19b97;
        --info-bg: #102c3a;  --info-ink: #7cc6e4;

        --sjena-1: 0 1px 2px rgba(0, 0, 0, .3);
        --sjena-2: 0 4px 14px rgba(0, 0, 0, .35);
        --sjena-3: 0 16px 40px rgba(0, 0, 0, .5);
    }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font: 15px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--tinta);
    background:
        radial-gradient(1200px 500px at 50% -260px, var(--more-10), transparent 70%),
        var(--pozadina);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

/* ------------------------------------------------------------- zaglavlje -- */

.topbar {
    position: sticky; top: 0; z-index: 30;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 12px 24px;
    background: color-mix(in srgb, var(--ploha) 88%, transparent);
    backdrop-filter: saturate(150%) blur(12px);
    border-bottom: 1px solid var(--linija);
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--tinta); }
.brand svg { width: 30px; height: 30px; flex: none; }
.brand b { display: block; font-size: 17px; font-weight: 700; letter-spacing: -.01em; line-height: 1.1; }
.brand span { display: block; font-size: 11.5px; color: var(--sivo); letter-spacing: .02em; }

.topbar nav { display: flex; align-items: center; gap: 4px; }
.topbar nav a {
    padding: 7px 12px; border-radius: 999px; font-size: 14px;
    color: var(--tinta-2); text-decoration: none; transition: background .15s, color .15s;
}
.topbar nav a:hover { background: var(--linija-2); color: var(--tinta); }
.topbar nav a.aktivno { background: var(--more-10); color: var(--more); font-weight: 600; }

main { max-width: 1080px; margin: 0 auto; padding: 28px 24px 8px; }

footer {
    max-width: 1080px; margin: 0 auto; padding: 22px 24px 40px;
    display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
    color: var(--sivo); font-size: 12px; border-top: 1px solid var(--linija); margin-top: 28px;
}

/* ---------------------------------------------------------------- tekst -- */

h1 { font-size: 25px; font-weight: 700; letter-spacing: -.02em; margin: 0 0 6px; }
h2 { font-size: 17px; font-weight: 650; margin: 28px 0 10px; }
h3 { font-size: 15px; font-weight: 650; margin: 0 0 10px; }
.lead { color: var(--sivo); margin: 0 0 22px; font-size: 14.5px; }
.muted { color: var(--sivo); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; font-size: .92em; }
a { color: var(--more); text-decoration-color: var(--more-20); text-underline-offset: 2px; }
a:hover { text-decoration-color: currentColor; }

/* ---------------------------------------------------------------- ploha -- */

.panel {
    background: var(--ploha);
    border: 1px solid var(--linija);
    border-radius: var(--r-l);
    padding: 22px;
    margin-bottom: 16px;
    box-shadow: var(--sjena-1);
}
.panel.tight { padding: 14px 18px; }
details.panel > summary { list-style: none; }
details.panel > summary::-webkit-details-marker { display: none; }
details.panel > summary::before {
    content: "▸"; display: inline-block; margin-right: 8px; color: var(--sivo);
    transition: transform .15s;
}
details.panel[open] > summary::before { transform: rotate(90deg); }

/* --------------------------------------------------------------- poruke -- */

.alert {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 12px 16px; border-radius: var(--r-m); margin-bottom: 14px; font-size: 14px;
    border-left: 3px solid transparent;
}
.alert-success { background: var(--ok-bg);   color: var(--ok-ink);   border-left-color: var(--ok-ink); }
.alert-error   { background: var(--err-bg);  color: var(--err-ink);  border-left-color: var(--err-ink); }
.alert-warning { background: var(--paz-bg);  color: var(--paz-ink);  border-left-color: var(--paz-ink); }
.alert-info    { background: var(--info-bg); color: var(--info-ink); border-left-color: var(--info-ink); }

/* --------------------------------------------------------------- obrasci -- */

label { display: block; font-size: 13px; font-weight: 550; color: var(--tinta-2); margin-bottom: 5px; }

input[type=text], input[type=password], input[type=email], input[type=file], select, textarea {
    width: 100%; padding: 9px 12px; font: inherit; font-size: 14px;
    color: var(--tinta); background: var(--polje);
    border: 1px solid var(--linija); border-radius: var(--r-s);
    transition: border-color .15s, box-shadow .15s;
}
input:hover, select:hover { border-color: color-mix(in srgb, var(--more) 40%, var(--linija)); }
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--more); box-shadow: 0 0 0 3px var(--more-20);
}
input[type=file] { padding: 7px 10px; cursor: pointer; }
input::placeholder { color: color-mix(in srgb, var(--sivo) 75%, transparent); }

.field { margin-bottom: 16px; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > * { flex: 1 1 220px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }

input[type=checkbox], input[type=radio] { width: 17px; height: 17px; accent-color: var(--more); cursor: pointer; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; }
.checks label, .check {
    display: flex; align-items: center; gap: 8px; margin: 0;
    font-size: 14px; font-weight: 400; color: var(--tinta); cursor: pointer;
}

/* --------------------------------------------------------------- gumbi -- */

button, .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    padding: 10px 18px; font: inherit; font-size: 14px; font-weight: 600;
    color: #fff; background: var(--more); border: 1px solid transparent; border-radius: var(--r-s);
    cursor: pointer; text-decoration: none; box-shadow: var(--sjena-1);
    transition: background .15s, transform .08s, box-shadow .15s;
}
button:hover, .btn:hover { background: var(--more-2); box-shadow: var(--sjena-2); }
button:active, .btn:active { transform: translateY(1px); box-shadow: none; }
button:focus-visible, .btn:focus-visible, a:focus-visible { outline: 3px solid var(--more-20); outline-offset: 2px; }

button.secondary, .btn.secondary {
    background: var(--ploha); color: var(--tinta); border-color: var(--linija);
}
button.secondary:hover, .btn.secondary:hover { background: var(--linija-2); }
button.danger, .btn.danger { background: #a02c28; }
button.danger:hover { background: #8b2421; }
button.link {
    background: none; color: var(--sivo); padding: 2px 4px; font-weight: 500;
    box-shadow: none; border: 0;
}
button.link:hover { background: none; color: var(--more); text-decoration: underline; box-shadow: none; }
button.tiny, .btn.tiny { padding: 4px 10px; font-size: 12.5px; font-weight: 550; box-shadow: none; }
form.inline { display: inline; }

/* -------------------------------------------------------------- tablice -- */

.panel table { margin: -4px 0; }
table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 14px; }
th {
    position: sticky; top: 56px; z-index: 1;
    text-align: left; padding: 9px 12px; background: var(--ploha);
    font-size: 11.5px; font-weight: 650; text-transform: uppercase; letter-spacing: .05em;
    color: var(--sivo); border-bottom: 1px solid var(--linija);
}
td { padding: 11px 12px; border-bottom: 1px solid var(--linija-2); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: color-mix(in srgb, var(--more) 3%, transparent); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* -------------------------------------------------------------- oznake -- */

.tag {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 550;
    background: var(--linija-2); color: var(--sivo);
}
.tag.on  { background: var(--ok-bg);  color: var(--ok-ink); }
.tag.off { background: var(--err-bg); color: var(--err-ink); }
.tag.paz { background: var(--paz-bg); color: var(--paz-ink); }

/* -------------------------------------------------------- popis stupaca -- */

.cols {
    border: 1px solid var(--linija); border-radius: var(--r-m); overflow: hidden;
    background: var(--ploha);
}
.col-row {
    display: flex; align-items: center; gap: 12px;
    padding: 9px 14px; border-bottom: 1px solid var(--linija-2);
    transition: background .12s;
}
.col-row:last-child { border-bottom: 0; }
.col-row:hover { background: color-mix(in srgb, var(--more) 4%, transparent); }
.col-row.disabled { background: color-mix(in srgb, var(--sivo) 4%, transparent); }
.col-row.disabled > *:not(input[type=checkbox]) { opacity: .62; }
.col-row .key {
    width: 88px; flex: none; font-size: 11.5px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .04em; color: var(--sivo);
}
.col-row input[type=text] { flex: 1; }
.col-row .move { display: flex; gap: 5px; flex: none; }

/* --------------------------------------------------------------- koraci -- */

.koraci {
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
    margin-bottom: 20px; padding: 14px 18px;
    background: var(--ploha); border: 1px solid var(--linija);
    border-radius: var(--r-l); box-shadow: var(--sjena-1);
}
.koraci-tekst { flex: 1; min-width: 160px; }
.koraci-broj {
    display: block; font-size: 11.5px; font-weight: 650; color: var(--more);
    text-transform: uppercase; letter-spacing: .06em;
}
.koraci-naslov { display: block; font-size: 15px; font-weight: 600; color: var(--tinta); }
.koraci-tocke { display: flex; align-items: center; gap: 6px; }
.koraci-tocke i {
    width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
    font-style: normal; font-size: 11.5px; font-weight: 650;
    background: var(--linija-2); color: var(--sivo); border: 1px solid transparent;
}
.koraci-tocke i.gotov { background: var(--ok-bg); color: var(--ok-ink); }
.koraci-tocke i.tekuci {
    background: var(--more); color: #fff; box-shadow: 0 0 0 4px var(--more-20);
}
.koraci-tocke b { width: 14px; height: 2px; background: var(--linija); border-radius: 2px; }

/* -------------------------------------------------------------- prijava -- */

.auth { max-width: 400px; margin: 7vh auto 0; }
.auth .panel { padding: 30px; box-shadow: var(--sjena-3); }
.auth-logo { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 22px; }
.auth-logo svg { width: 46px; height: 46px; }
.auth-logo b { font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.auth-logo span { font-size: 13px; color: var(--sivo); }

/* ------------------------------------------------------------- ostalo -- */

/* Panel koji traži pažnju — npr. tek izdani sigurnosni ključevi. */
.panel.istaknut {
    border-color: var(--more-20);
    box-shadow: var(--sjena-2), inset 3px 0 0 var(--more);
}

.codes { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 8px; margin: 14px 0; }
.codes span {
    padding: 11px 10px; background: var(--linija-2); border-radius: var(--r-s);
    text-align: center; letter-spacing: .04em; font-weight: 600; font-size: 14px;
    color: var(--tinta); white-space: nowrap;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.qr { display: flex; gap: 26px; flex-wrap: wrap; align-items: flex-start; }
.qr img { background: #fff; border: 1px solid var(--linija); border-radius: var(--r-m); padding: 10px; }

.sticky-actions {
    position: sticky; bottom: 14px; z-index: 20;
    display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap;
    margin-top: 20px; padding: 14px 18px;
    background: color-mix(in srgb, var(--ploha) 94%, transparent);
    backdrop-filter: saturate(150%) blur(10px);
    border: 1px solid var(--linija); border-radius: var(--r-l);
    box-shadow: var(--sjena-2);
}

.prazno {
    padding: 34px 20px; text-align: center; color: var(--sivo);
    border: 1px dashed var(--linija); border-radius: var(--r-l); background: var(--ploha);
}

.upload-zona {
    border: 2px dashed var(--linija); border-radius: var(--r-m);
    padding: 18px; background: color-mix(in srgb, var(--more) 3%, transparent);
    transition: border-color .15s, background .15s;
}
.upload-zona:hover { border-color: var(--more); background: var(--more-10); }

@media (max-width: 680px) {
    .topbar { flex-direction: column; align-items: stretch; gap: 10px; }
    .topbar nav { flex-wrap: wrap; }
    main { padding: 20px 16px 8px; }
    .panel { padding: 18px; }
    th { position: static; }
    .col-row { flex-wrap: wrap; }
    .col-row .key { width: auto; }
}

@media print {
    .topbar, footer, .sticky-actions, .koraci { display: none; }
    .panel { box-shadow: none; border-color: #ccc; }
}