/* ============================================================
   Mali Glupi Kalkulator — zajednička tema (redizajn)
   Terminal/brutalist warm-dark: DM Mono + Space Grotesk
   ============================================================ */

:root {
  --bg: #100e0a;
  --card: #1a1610;
  --inset: #100e0a;
  --border: #3a3327;
  --border-2: #4a4234;
  --text: #f0e9d8;
  --heading: #f7f1e4;
  --muted: #9c917b;
  --muted-2: #7d745f;
  --muted-3: #5c5546;
  --orange: #e8814f;
  --green: #5fa978;
  --mono: 'DM Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  /* Native controls (number spinners, scrollbars) render in dark mode */
  color-scheme: dark;
}
a { color: inherit; }

/* ===== SCROLLBARS (themed) ===== */
* { scrollbar-width: thin; scrollbar-color: var(--border-2) transparent; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-2);
  border-radius: 5px;
  border: 2px solid var(--card);
}
::-webkit-scrollbar-thumb:hover { background: var(--muted-2); }

/* ===== NUMBER INPUT SPINNERS (themed) ===== */
input[type="number"] { color-scheme: dark; }
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  opacity: .55;
  filter: hue-rotate(-15deg);
}
input[type="number"]:hover::-webkit-inner-spin-button,
input[type="number"]:focus::-webkit-inner-spin-button { opacity: 1; }

/* ===== NAV ===== */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 15px 28px;
  border-bottom: 1.5px dashed var(--border-2);
  background: var(--card);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  flex: none;
}
.nav-logo {
  border: 1.5px solid var(--orange);
  border-radius: 4px;
  padding: 5px 9px;
  font-weight: 500;
  font-size: 14px;
  background: var(--orange);
  color: var(--bg);
}
.nav-name {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--heading);
}
.nav-links {
  display: flex;
  gap: 2px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.nav-links a {
  text-decoration: none;
  padding: 6px 9px;
  border-radius: 4px;
  white-space: nowrap;
  color: var(--muted);
  transition: background .12s ease, color .12s ease;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.03); }
.nav-links a.active { background: var(--orange); color: var(--bg); font-weight: 500; }
.nav-burger {
  display: none;
  cursor: pointer;
  border: 1.5px solid var(--border-2);
  border-radius: 4px;
  padding: 4px 11px;
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
  user-select: none;
}

/* ===== LAYOUT ===== */
main { max-width: 1100px; margin: 0 auto; padding: 36px 28px 50px; }

.hero { margin-bottom: 28px; }
.hero .kicker {
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--green);
}
.hero h1 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 8px 0;
  color: var(--heading);
}
.hero p { font-size: 15px; color: var(--muted); margin: 0; max-width: 560px; }

.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
}
.col { display: flex; flex-direction: column; gap: 16px; }
.col.result { position: sticky; top: 20px; }

/* ===== CARD ===== */
.card {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 20px;
}
.card-title {
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-2);
  border-bottom: 1.5px dashed var(--border-2);
  padding-bottom: 9px;
  margin-bottom: 14px;
}
.card-title.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.subhead {
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted-3);
  margin: 18px 0 11px;
  border-top: 1.5px dashed var(--border-2);
  padding-top: 14px;
}
.note { font-size: 11px; color: var(--muted-3); margin-top: 9px; }

/* ===== FORM ===== */
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.field label,
.field-label {
  display: block;
  font-size: 11.5px;
  color: var(--muted);
  margin-bottom: 5px;
}
input[type="number"], input[type="text"], select {
  width: 100%;
  border: 1.5px solid var(--border-2);
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 15px;
  font-weight: 500;
  font-family: var(--mono);
  background: var(--inset);
  color: var(--heading);
}
input:focus, select:focus { outline: none; border-color: var(--orange); }
input::placeholder { color: var(--muted-3); font-weight: 400; }
select { appearance: none; cursor: pointer; }
/* Naglašeno polje (npr. cilj/željena vrednost) */
input.accent-field { border-color: var(--orange); }

/* checkbox label */
.check {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
}
.check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 17px; height: 17px;
  border: 1.5px solid var(--border-2);
  border-radius: 3px;
  background: var(--inset);
  flex: none;
  cursor: pointer;
  position: relative;
}
.check input[type="checkbox"]:checked {
  background: var(--orange);
  border-color: var(--orange);
}
.check input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  font-size: 12px;
  line-height: 1;
}
.check.small { font-size: 10.5px; color: var(--muted-2); text-transform: lowercase; }
.check.small input[type="checkbox"] { width: 15px; height: 15px; }

/* segmented toggle */
.segmented { display: flex; gap: 7px; }
.segmented input { position: absolute; opacity: 0; width: 0; height: 0; }
.segmented label {
  flex: 1;
  text-align: center;
  font-size: 12px;
  padding: 9px;
  border-radius: 4px;
  border: 1.5px solid var(--border-2);
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition: background .12s ease, color .12s ease, border-color .12s ease;
}
.segmented label.is-active {
  background: var(--orange);
  color: var(--bg);
  border-color: var(--orange);
}

.fields-row-bottom { align-items: flex-end; }
.fixed-controls, .variable-controls { margin-top: 4px; }
[hidden] { display: none !important; }

/* ===== ACTIONS ===== */
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.btn {
  font-family: var(--sans);
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  border: 1.5px solid transparent;
  padding: 13px 20px;
  font-size: 14px;
  transition: filter .12s ease, background .12s ease;
}
.btn-primary {
  flex: 1;
  background: var(--orange);
  color: var(--bg);
  font-size: 15px;
  text-align: center;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}
.btn-ghost:hover { border-color: var(--muted); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
#status { font-size: 12px; color: var(--muted); width: 100%; }

/* ===== RESULT CARDS ===== */
.result-hero { border-color: var(--orange); position: relative; padding: 22px; }
.hero-label { font-size: 11px; letter-spacing: .1em; color: var(--muted-2); }
.hero-amount {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 54px;
  line-height: 1;
  margin: 8px 0 16px;
  color: var(--heading);
}
.hero-amount.smaller { font-size: 48px; }
.hero-amount .unit { font-size: 15px; color: var(--muted); font-weight: 400; }
.kv {
  border-top: 1.5px dashed var(--border-2);
  padding-top: 13px;
  font-size: 13px;
}
.kv-row { display: flex; justify-content: space-between; margin-bottom: 8px; }
.kv-row span:first-child { color: var(--muted); }
.kv-row span:last-child { font-weight: 500; }
.kv-row .accent { color: var(--orange); }
.kv-row .good { color: var(--green); }
.kv-row.total {
  border-top: 1.5px dashed var(--border-2);
  padding-top: 10px;
  margin-top: 4px;
  margin-bottom: 0;
}
.kv-row.total span { font-weight: 500; }
.kv-row.total span:last-child { font-size: 15px; }

.ratio-bar {
  display: flex; height: 9px; border-radius: 3px;
  overflow: hidden; margin-top: 15px; background: var(--muted-3);
}
.ratio-bar .principal { background: var(--muted-3); }
.ratio-bar .interest { background: var(--orange); }
.ratio-legend {
  display: flex; justify-content: space-between;
  font-size: 10.5px; color: var(--muted-2); margin-top: 6px;
}
.hero-note { font-size: 11px; color: var(--green); margin-top: 12px; }

.card-eyebrow {
  font-size: 11px; letter-spacing: .1em; color: var(--muted-2);
  margin-bottom: 11px; text-transform: uppercase;
}
.card-eyebrow-row {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 10px;
}
.kv-list { font-size: 12.5px; color: var(--muted); }
.kv-list .kv-row { margin-bottom: 7px; }
.kv-list .kv-row span:last-child { color: var(--text); }
.kv-list .kv-row.total {
  border-top: 1.5px dashed var(--border-2);
  padding-top: 9px; margin-top: 3px;
}
.kv-list .kv-row.total span:first-child { color: var(--text); }
.kv-list .kv-row.total span:last-child { color: var(--orange); }

/* Tekstualna kartica sa objašnjenjem */
.explain {
  font-size: 13px; color: var(--muted); line-height: 1.7;
}
.explain b, .explain .hl { color: var(--text); font-weight: 500; }
.explain .pos { color: var(--green); }
.explain .err { color: var(--orange); }

/* Greška / poruka */
.err-msg { color: var(--orange); font-size: 13px; margin-top: 10px; white-space: pre-line; }

/* ===== SCHEDULE TABLE ===== */
.sched { font-size: 12px; color: var(--muted); }
.table-wrap { overflow: auto; max-height: 360px; padding-right: 4px; }
.table-wrap::-webkit-scrollbar-thumb { border-color: var(--card); }
table.sched-table { border-collapse: collapse; width: 100%; }
table.sched-table th {
  position: sticky; top: 0;
  background: var(--card);
  text-align: right;
  color: var(--muted-3);
  font-weight: 400;
  font-size: 11px;
  padding: 0 0 6px;
  border-bottom: 1.5px dashed var(--border-2);
}
table.sched-table th:first-child, table.sched-table td:first-child { text-align: left; width: 44px; }
table.sched-table td {
  text-align: right;
  padding: 5px 0;
  font-size: 12px;
  color: var(--muted);
}
table.sched-table td:nth-child(4), table.sched-table td:last-child { color: var(--text); }
.mini-toggle { font-size: 11px; color: var(--muted); text-transform: none; letter-spacing: 0; }

/* ===== FOOTER ===== */
footer {
  padding: 22px 28px;
  border-top: 1.5px dashed var(--border-2);
  background: var(--card);
  font-size: 11.5px;
  color: var(--muted-2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
footer .disclaimer { max-width: 560px; line-height: 1.5; }
footer .foot-links { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }

/* ===== RESPONSIVE ===== */
/* Srednji desktop: zbij linkove u jedan red (umesto preloma) */
@media (min-width: 1201px) and (max-width: 1445px) {
  .nav { flex-wrap: nowrap; }
  .nav-links {
    font-size: 10.5px;
    gap: 0;
    letter-spacing: 0;
    flex-wrap: nowrap;
  }
  .nav-links a { padding: 6px 6px; }
}

@media (max-width: 1200px) {
  .nav { padding: 12px 18px; }
  .nav-burger { display: inline-flex; align-items: center; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    margin-top: 4px;
    font-size: 13px;
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .nav-links a {
    padding: 11px 10px;
    border-bottom: 1px dashed var(--border);
  }
  .nav-links a:last-child { border-bottom: none; }
}

@media (max-width: 880px) {
  .columns { grid-template-columns: 1fr; }
  .col.result { position: static; }
  .hero h1 { font-size: 32px; }
  main { padding: 28px 18px 40px; }
}
@media (max-width: 520px) {
  .row { flex-direction: column; }
  .row > * { width: 100% !important; }
  .hero-amount { font-size: 44px; }
}