:root {
    --ink: #1f2733;
    --text: #3b4654;
    --muted: #6b7686;
    --bg: #f4f6f9;
    --paper: #ffffff;
    --line: #dde3ec;
    --accent: #2f5bd0;
    --accent-dark: #23479f;
    --ok: #1d7a4d;
    --ok-bg: #eaf6ef;
    --warn: #9a6a12;
    --warn-bg: #fdf6e6;
    --error: #b23b3b;
    --error-bg: #fbecec;
    --radius: 8px;
    --font: "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.92em; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.92em; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 0.88rem; }
.req { color: var(--error); }

h1 { font-size: 1.7rem; line-height: 1.2; margin: 0 0 0.45rem; color: var(--ink); }
h2 { font-size: 1.18rem; line-height: 1.3; margin: 0 0 0.8rem; color: var(--ink); }
h3 { font-size: 1rem; line-height: 1.3; margin: 0 0 0.5rem; color: var(--ink); }

.site {
    background: #1c2430;
    color: #d9e0ea;
    padding: 22px 0 24px;
}
.site .shell { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.site h1 { color: #ffffff; margin-bottom: 0.4rem; }
.site p { margin: 0; max-width: 850px; color: #cfd6e0; }
.site .crumbs { margin-bottom: 8px; font-size: 0.9rem; color: #9aa7b8; }
.site .crumbs a { color: #c8d6f5; }

.shell { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.main-shell { padding-top: 20px; padding-bottom: 40px; }

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}
.tabs a {
    display: inline-flex;
    align-items: center;
    padding: 9px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    color: var(--ink);
    font-weight: 600;
}
.tabs a:hover { background: #eef2f8; text-decoration: none; }
.tabs a.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 18px;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.panel-head h2 { margin: 0; }
.h2-sub { color: var(--muted); font-weight: 400; font-size: 0.9rem; }

label {
    display: block;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--ink);
}
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="file"],
select,
textarea {
    width: 100%;
    margin-top: 4px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    font: inherit;
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid rgba(47, 91, 208, 0.22);
    border-color: var(--accent);
}
input.uppercase { text-transform: uppercase; }
textarea { resize: vertical; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 14px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 15px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: #eef2f8; text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-outline-danger { background: transparent; border-color: #e3bcbc; color: var(--error); }
.btn-outline-danger:hover { background: var(--error-bg); border-color: var(--error); }
.btn-xs { padding: 5px 9px; font-size: 0.8rem; border-radius: 6px; }

.notice {
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    background: #f7f9fd;
    padding: 14px 16px;
    margin-bottom: 18px;
}
.notice-error { border-left-color: var(--error); background: var(--error-bg); }
.notice ul { margin: 8px 0 0 20px; padding: 0; }
.notice li { margin: 3px 0; }

.or {
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 14px 0;
}

.table-scroll { overflow-x: auto; }
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--paper);
}
.table th,
.table td {
    text-align: left;
    padding: 9px 10px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
.table th {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--muted);
    white-space: nowrap;
}
.table tbody tr:last-child td { border-bottom: none; }
.table .num { text-align: right; white-space: nowrap; }
.table .line-no { color: var(--muted); }
.line-table input,
.line-table select { min-width: 90px; margin-top: 0; }
.line-table td:nth-child(2) input { min-width: 220px; }
.line-table td:nth-child(5) input { min-width: 120px; }
.line-table .line-net { padding-top: 15px; white-space: nowrap; }

.live-totals {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 24px;
    border-top: 1px solid var(--line);
    margin-top: 14px;
    padding-top: 14px;
}
.live-totals div { display: flex; flex-direction: column; text-align: right; }
.live-totals span { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
.live-totals strong { color: var(--ink); font-size: 1.02rem; }

details.card > summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--ink);
}
details.card[open] > summary { margin-bottom: 10px; }
.fiscal-details .hint { margin-top: 0; }

.form-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}
.form-actions .hint { margin: 0; }

/* Pregled računa */
.doc-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--line);
    padding-bottom: 14px;
    margin-bottom: 16px;
}
.doc-head h2 { margin: 0; }
.eyebrow {
    margin: 0 0 3px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    font-weight: 700;
}
.badge {
    display: inline-block;
    border-radius: 999px;
    padding: 5px 11px;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
}
.badge-ok { color: var(--ok); background: var(--ok-bg); border: 1px solid #bfe3cd; }
.badge-error { color: var(--error); background: var(--error-bg); border: 1px solid #ecc6c6; }

.meta-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px 18px;
    margin-bottom: 18px;
}
.meta-grid div { display: flex; flex-direction: column; }
.meta-grid span { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
.meta-grid strong { color: var(--ink); font-weight: 600; }
.inline-meta { display: flex; flex-wrap: wrap; gap: 20px; margin: 0 0 18px; }

.parties {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}
.party, .fiscal {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
    background: #fbfcfe;
}
.party h3, .fiscal h3 { color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.78rem; }
.party-name { margin: 0 0 8px; font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.party-address { margin: 0 0 10px; }
.fiscal { margin-bottom: 18px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 3px 12px; margin: 0; }
.kv dt { color: var(--muted); font-size: 0.84rem; }
.kv dd { margin: 0; word-break: break-word; }

.section-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin: 18px 0 8px;
}

.summary-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: 20px;
    margin-top: 18px;
}
.totals { background: #fbfcfe; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.totals .section-title { margin-top: 0; }
.total-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 5px 0;
    border-bottom: 1px dashed var(--line);
}
.total-row:last-child { border-bottom: none; }
.total-row span { color: var(--muted); }
.total-row strong { color: var(--ink); white-space: nowrap; }
.total-main { margin-top: 4px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 8px 0; }
.total-main strong { font-size: 1.05rem; }
.total-due strong { color: var(--accent); font-size: 1.15rem; }

.notes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 24px;
    margin-top: 18px;
}
.notes p { margin: 0 0 6px; }

.pill {
    display: inline-block;
    border-radius: 999px;
    padding: 1px 7px;
    background: #eef2f8;
    color: var(--muted);
    font-size: 0.74rem;
    font-weight: 700;
    vertical-align: 1px;
}

.details {
    margin-top: 18px;
    border-top: 1px solid var(--line);
    padding-top: 12px;
}
.details summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.details ul { margin: 10px 0 0 20px; padding: 0; }
.code {
    margin: 12px 0 0;
    padding: 12px;
    max-height: 440px;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #f8fafc;
    color: #25303d;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.8rem;
    line-height: 1.45;
    white-space: pre;
}
.error-details { border-top-color: #ecc6c6; }
.error-details summary { color: var(--error); }

.generated-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    border-left: 4px solid var(--ok);
}
.generated-head h2 { margin: 0 0 2px; }
.generated-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.about h2 { font-size: 1.05rem; }
.about p { margin: 0 0 8px; }
.about p:last-child { margin-bottom: 0; }

.toolbar { margin: 0 0 14px; display: flex; flex-wrap: wrap; gap: 8px; }

footer.site {
    border-top: 1px solid var(--line);
    padding: 18px 20px 26px;
    text-align: center;
    color: var(--muted);
    font-size: 0.86rem;
}

@media (max-width: 760px) {
    h1 { font-size: 1.4rem; }
    .grid-2, .grid-3, .parties, .summary-grid, .notes { grid-template-columns: 1fr; }
    .meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .card { padding: 16px; }
    .tabs a { flex: 1 1 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .meta-grid { grid-template-columns: 1fr; }
    .doc-head h2 { font-size: 1.1rem; }
    .live-totals { justify-content: space-between; gap: 10px; }
}

@media print {
    body { background: #fff; }
    .site, .tabs, footer.site, .generated-head, .about, .details, .no-print, .notice { display: none !important; }
    .main-shell { padding: 0; max-width: none; }
    .card { border: none; padding: 0; margin: 0; }
}