/* =====================================================================
 * Velencei-tó kalkulátor — Vízipari Holding arculat
 * Design tokenek: vizipariholding.hu (navy/teal, Sora + Inter + JetBrains Mono)
 * ===================================================================== */
:root {
  --navy:       #0B3D6B;
  --navy-dark:  #072D50;
  --navy-light: #1B5FA0;
  --blue:       #1B6FA8;
  --teal:       #00A8C8;
  --teal-dark:  #0090AD;
  --teal-light: #E0F6FB;
  --surface:    #F0F7FF;
  --surface-2:  #EBF5FB;
  --border:     #C8DFF0;
  --ink:        #0D1B2A;
  --ink-muted:  #4A6080;
  --ink-light:  #7A90A8;
  --bronze:     #B87333;
  --gold:       #C8A84B;
  --green:      #1E9E6A;
  --red:        #C0392B;
  --font-display: 'Sora', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --radius-card: 0.75rem;
  --radius-btn:  0.375rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; }

/* ── Fejléc ── */
.topbar {
  background: linear-gradient(100deg, var(--navy-dark) 0%, var(--navy) 55%, var(--navy-light) 100%);
  color: #fff;
  padding: 1.1rem 1.5rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 2px 12px rgba(7, 45, 80, .25);
}
.topbar .brand { display: flex; align-items: center; gap: .85rem; }
.topbar .brand-logo {
  background: #fff; border-radius: 8px;
  padding: .3rem .55rem;
  display: flex; align-items: center;
  box-shadow: 0 1px 6px rgba(4, 25, 46, .3);
}
.topbar .brand-logo img { height: 30px; width: auto; display: block; }
.topbar h1 { font-size: 1.05rem; letter-spacing: .01em; }
.topbar .sub { font-size: .75rem; color: #BFD8EE; margin-top: .15rem; }
.topbar .spacer { flex: 1; }
.topbar .badge {
  font-family: var(--font-display); font-size: .68rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  background: rgba(0, 168, 200, .18); color: #9FE6F4;
  border: 1px solid rgba(0, 168, 200, .5);
  padding: .35rem .7rem; border-radius: 999px; white-space: nowrap;
}

/* ── Fülek ── */
.tabs {
  max-width: 1600px; margin: 0 auto; padding: 1rem 1.5rem 0;
  display: flex; gap: .4rem; flex-wrap: wrap;
}
.tab-btn {
  background: #fff; border: 1px solid var(--border); border-bottom: none;
  color: var(--ink-muted); cursor: pointer;
  font-family: var(--font-display); font-weight: 600; font-size: .85rem;
  padding: .6rem 1.3rem; border-radius: .6rem .6rem 0 0;
  transition: background .15s ease, color .15s ease;
}
.tab-btn:hover { color: var(--navy); }
.tab-btn.active {
  background: var(--navy); border-color: var(--navy); color: #fff;
}
.tabpanel.hidden { display: none !important; }

/* ── Elrendezés ── */
.layout {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 1.25rem;
  max-width: 1600px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem;
  align-items: start;
}
@media (max-width: 1020px) {
  .layout { grid-template-columns: 1fr; }
}

/* ── Panelek / kártyák ── */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 1.25rem 1.4rem;
}
.section-label {
  font-family: var(--font-display); font-size: .7rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--teal);
  margin-bottom: .35rem;
}

/* ── Bemeneti oldalsáv ── */
.inputs { display: flex; flex-direction: column; gap: 1rem; }
details.group {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-card); overflow: hidden;
}
details.group > summary {
  cursor: pointer; list-style: none;
  padding: .9rem 1.2rem;
  font-family: var(--font-display); font-weight: 600; font-size: .92rem;
  color: var(--navy);
  display: flex; align-items: center; gap: .6rem;
  user-select: none;
}
details.group > summary::-webkit-details-marker { display: none; }
details.group > summary::after {
  content: "▾"; margin-left: auto; color: var(--ink-light);
  transition: transform .2s ease;
}
details.group[open] > summary::after { transform: rotate(180deg); }
details.group > summary .ico { color: var(--teal); font-size: 1rem; width: 1.3rem; text-align: center; }
details.group > .group-body { padding: .3rem 1.2rem 1.1rem; border-top: 1px solid var(--surface-2); }

.field { margin: .85rem 0; }
.field label {
  display: flex; align-items: baseline; gap: .4rem;
  font-size: .82rem; font-weight: 600; color: var(--ink);
  margin-bottom: .35rem;
}
.field label .unit { font-weight: 400; color: var(--ink-light); font-size: .75rem; }
.field .row { display: flex; align-items: center; gap: .7rem; }
.field input[type=range] { flex: 1; accent-color: var(--teal); height: 4px; }
.field input[type=number], .field select {
  width: 108px; padding: .38rem .5rem;
  border: 1px solid var(--border); border-radius: var(--radius-btn);
  font-family: var(--font-mono); font-size: .8rem; color: var(--navy);
  background: var(--surface);
}
.field input[type=number]:focus, .field select:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
.field .hint { font-size: .72rem; color: var(--ink-light); margin-top: .3rem; line-height: 1.4; }
.field .hint strong { color: var(--ink-muted); }
.field .hint.warn { color: var(--bronze); }
.mix-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .1rem .9rem; }

/* forrás-jelvény a fajlagos költségeknél */
.src {
  display: inline-block; font-size: .68rem; color: var(--ink-light);
  margin-top: .2rem; line-height: 1.35;
}
.src a { color: var(--blue); text-decoration: none; border-bottom: 1px dotted var(--blue); }
.src a:hover { color: var(--teal-dark); }

/* ── KPI-sor ── */
.kpi-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
@media (max-width: 1350px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .kpi-grid { grid-template-columns: 1fr; } }
.kpi {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-card);
  padding: 1.05rem 1.2rem; position: relative;
}
.kpi.hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: #fff; border: none;
}
.kpi .kpi-label {
  font-family: var(--font-display); font-size: .68rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--teal);
  display: flex; align-items: center; gap: .35rem;
}
.kpi.hero .kpi-label { color: #7EDCEE; }
.kpi .kpi-value {
  font-family: var(--font-display); font-size: 1.55rem; font-weight: 800;
  margin-top: .4rem; color: var(--navy); line-height: 1.1;
}
.kpi.hero .kpi-value { color: #fff; }
.kpi .kpi-sub { font-size: .74rem; color: var(--ink-light); margin-top: .3rem; font-family: var(--font-mono); }
.kpi.hero .kpi-sub { color: #A9CBE8; }
.kpi .band { margin-top: .55rem; }
.band-track {
  position: relative; height: 8px; border-radius: 4px;
  background: linear-gradient(90deg, #1E9E6A 0%, #1E9E6A 30%, #C8A84B 30%, #C8A84B 60%, #C0392B 60%);
  opacity: .9;
}
.band-marker {
  position: absolute; top: -4px; width: 3px; height: 16px;
  background: #fff; border: 1px solid var(--navy-dark); border-radius: 2px;
  transform: translateX(-50%);
}
.band-labels { display: flex; justify-content: space-between; font-size: .62rem; color: #A9CBE8; margin-top: .25rem; font-family: var(--font-mono); }

/* ── Kimeneti oszlop ── */
.outputs { display: flex; flex-direction: column; gap: 1.25rem; min-width: 0; }
.chart-card h3 { font-size: 1rem; color: var(--navy); margin-bottom: .2rem; }
.chart-card .desc { font-size: .78rem; color: var(--ink-muted); margin-bottom: .8rem; }
.chart-wrap { position: relative; width: 100%; }
.chart-wrap.tall { height: 340px; }
.chart-wrap.mid { height: 280px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

/* ── Táblázatok ── */
table.breakdown { width: 100%; border-collapse: collapse; font-size: .82rem; }
table.breakdown th {
  text-align: left; font-family: var(--font-display); font-size: .68rem;
  text-transform: uppercase; letter-spacing: .08em; color: var(--ink-muted);
  padding: .5rem .4rem; border-bottom: 2px solid var(--border);
}
table.breakdown td { padding: .5rem .4rem; border-bottom: 1px solid var(--surface-2); }
table.breakdown td.num { text-align: right; font-family: var(--font-mono); font-size: .78rem; white-space: nowrap; }
table.breakdown tr.total td {
  font-weight: 700; color: var(--navy); border-top: 2px solid var(--border); border-bottom: none;
  font-family: var(--font-display);
}
table.breakdown tr.sub td { color: var(--ink-muted); font-style: italic; }
table.breakdown td.pos { color: var(--green); }
table.breakdown td.neg { color: var(--red); }

/* ── Figyelmeztetések ── */
.warnings { display: flex; flex-direction: column; gap: .5rem; }
.warning {
  background: #FFF7EC; border: 1px solid #EBD6B3; border-left: 4px solid var(--bronze);
  border-radius: .4rem; padding: .6rem .9rem; font-size: .8rem; color: #7A501F;
}

/* ── Tooltip ── */
.tip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--surface-2); color: var(--blue);
  font-size: .62rem; font-weight: 700; cursor: help;
  border: 1px solid var(--border); flex: none;
  font-family: var(--font-body); font-style: normal;
}
.kpi.hero .tip { background: rgba(255,255,255,.15); color: #9FE6F4; border-color: rgba(255,255,255,.3); }
#tooltip {
  position: fixed; z-index: 200; max-width: 360px;
  background: var(--navy-dark); color: #E6F2FB;
  border-radius: .5rem; padding: .7rem .9rem;
  font-size: .74rem; line-height: 1.5;
  box-shadow: 0 8px 30px rgba(7,45,80,.4);
  pointer-events: none; opacity: 0; transition: opacity .12s ease;
}
#tooltip.show { opacity: 1; }
#tooltip .t-formula {
  font-family: var(--font-mono); font-size: .68rem; color: #9FE6F4;
  display: block; margin-top: .35rem; white-space: pre-wrap;
}
#tooltip .t-src { display: block; margin-top: .35rem; color: #A9CBE8; font-size: .68rem; }

/* ── Lábléc ── */
footer {
  background: var(--navy-dark); color: #A9CBE8;
  padding: 2.2rem 1.5rem 2.6rem; margin-top: 2rem;
  font-size: .78rem; line-height: 1.6;
}
footer .foot-inner { max-width: 1600px; margin: 0 auto; }
footer h4 { color: #fff; font-size: .85rem; margin-bottom: .6rem; }
footer .src-list { columns: 2; column-gap: 2.5rem; padding-left: 1.1rem; margin: .4rem 0 1.2rem; }
@media (max-width: 800px) { footer .src-list { columns: 1; } }
footer .src-list li { margin-bottom: .35rem; break-inside: avoid; }
footer a { color: #7EDCEE; text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .fine { color: #6E8FB0; font-size: .72rem; border-top: 1px solid rgba(255,255,255,.12); padding-top: 1rem; margin-top: .5rem; }
footer .fine .legal { margin: .6rem 0; line-height: 1.65; text-align: justify; }

/* ── Belépő képernyő ── */
.gate {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-light) 100%);
  padding: 1.5rem;
}
.gate-card {
  background: #fff; border-radius: 1rem; padding: 2.6rem 2.4rem;
  max-width: 420px; width: 100%;
  box-shadow: 0 24px 60px rgba(4, 25, 46, .45);
  text-align: center;
}
.gate-card .gate-logo {
  height: 58px; width: auto; margin: 0 auto 1.2rem; display: block;
}
.gate-card h1 { font-size: 1.25rem; color: var(--navy); margin-bottom: .4rem; }
.gate-card p { font-size: .82rem; color: var(--ink-muted); margin-bottom: 1.4rem; }
.gate-card input[type=password] {
  width: 100%; padding: .75rem .9rem;
  border: 1px solid var(--border); border-radius: var(--radius-btn);
  font-size: .95rem; font-family: var(--font-mono);
  margin-bottom: .9rem; background: var(--surface);
}
.gate-card input[type=password]:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
.gate-card button {
  width: 100%; padding: .8rem;
  background: var(--teal); color: #fff; border: none;
  border-radius: var(--radius-btn); cursor: pointer;
  font-family: var(--font-display); font-weight: 600; font-size: .95rem;
  transition: background .18s ease;
}
.gate-card button:hover { background: var(--teal-dark); }
.gate-card .err { color: var(--red); font-size: .78rem; margin-top: .7rem; display: none; }
.gate-card .fine { font-size: .68rem; color: var(--ink-light); margin-top: 1.3rem; }

/* ── Apróságok ── */
.btn-export {
  background: var(--teal); border: 1px solid var(--teal); color: #fff;
  font-family: var(--font-display); font-size: .72rem; font-weight: 600;
  padding: .45rem .9rem; border-radius: var(--radius-btn); cursor: pointer;
  transition: background .15s ease;
}
.btn-export:hover { background: var(--teal-dark); }
.btn-reset {
  background: transparent; border: 1px solid rgba(255,255,255,.4); color: #fff;
  font-family: var(--font-display); font-size: .72rem; font-weight: 600;
  padding: .45rem .9rem; border-radius: var(--radius-btn); cursor: pointer;
  transition: background .15s ease;
}
.btn-reset:hover { background: rgba(255,255,255,.12); }
.mono { font-family: var(--font-mono); }
.hidden { display: none !important; }

/* ── Ütemezés fül ── */
.sched-layout {
  max-width: 1600px; margin: 0 auto; padding: 1.25rem 1.5rem 3rem;
  display: flex; flex-direction: column; gap: 1.25rem;
}
.chart-wrap.gantt { height: 520px; }
.sched-table td { padding: .35rem .4rem; }
.sched-table input[type=number] {
  width: 64px; padding: .25rem .4rem;
  border: 1px solid var(--border); border-radius: var(--radius-btn);
  font-family: var(--font-mono); font-size: .78rem; color: var(--navy);
  background: var(--surface);
}
.sched-table td.end { font-family: var(--font-mono); font-size: .78rem; color: var(--ink-muted); text-align: right; }

/* ── Mentés + észrevétel blokk ── */
.tools {
  max-width: 1600px; margin: 0 auto; padding: 0 1.5rem 2rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
}
@media (max-width: 900px) { .tools { grid-template-columns: 1fr; } }
.tools h3 { color: var(--navy); font-size: 1rem; margin-bottom: .3rem; }
.tools .desc { font-size: .78rem; color: var(--ink-muted); margin-bottom: .8rem; }
.tools textarea {
  width: 100%; padding: .6rem .8rem; margin-bottom: .7rem;
  border: 1px solid var(--border); border-radius: var(--radius-btn);
  font-family: var(--font-body); font-size: .85rem; color: var(--ink);
  background: var(--surface); resize: vertical;
}
.tools textarea:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
.tools .hint { font-size: .72rem; color: var(--ink-light); margin-top: .55rem; line-height: 1.5; }

/* ── Modal (verziómentés) ── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(7, 45, 80, .55); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; padding: 1.5rem;
}
.modal {
  background: #fff; border-radius: 1rem; padding: 1.8rem 1.9rem;
  max-width: 460px; width: 100%; box-shadow: 0 24px 60px rgba(4, 25, 46, .45);
}
.modal h3 { color: var(--navy); font-size: 1.1rem; margin-bottom: 1rem; }
.modal label { display: block; font-size: .78rem; font-weight: 600; margin-bottom: .35rem; }
.modal input[type=text] {
  width: 100%; padding: .65rem .8rem; margin-bottom: 1rem;
  border: 1px solid var(--border); border-radius: var(--radius-btn);
  font-size: .9rem; background: var(--surface);
}
.modal input[type=text]:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
.modal-actions { display: flex; gap: .6rem; }
.btn-ghost-sm {
  background: transparent; border: 1px solid var(--border); color: var(--ink-muted);
  font-family: var(--font-display); font-size: .78rem; font-weight: 600;
  padding: .5rem 1rem; border-radius: var(--radius-btn); cursor: pointer;
}
.btn-ghost-sm:hover { border-color: var(--navy); color: var(--navy); }
.ver-list-wrap { margin-top: 1.3rem; border-top: 1px solid var(--surface-2); padding-top: .9rem; }
.ver-list-wrap h4 { font-size: .8rem; color: var(--ink-muted); margin-bottom: .5rem; }
.ver-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .45rem .2rem; border-bottom: 1px solid var(--surface-2); font-size: .8rem;
}
.ver-item .ver-meta { flex: 1; min-width: 0; }
.ver-item .ver-name { font-weight: 600; color: var(--navy); }
.ver-item .ver-date { font-size: .68rem; color: var(--ink-light); font-family: var(--font-mono); }
.ver-item button {
  background: transparent; border: 1px solid var(--border); border-radius: var(--radius-btn);
  font-size: .7rem; padding: .25rem .55rem; cursor: pointer; color: var(--ink-muted);
  font-family: var(--font-display); font-weight: 600;
}
.ver-item button:hover { border-color: var(--teal); color: var(--teal-dark); }
.ver-item button.del:hover { border-color: var(--red); color: var(--red); }
.ver-empty { font-size: .78rem; color: var(--ink-light); font-style: italic; }

footer .version-line { margin-top: .8rem; color: #7EDCEE; }

/* ═══════════════════════ PDF-EXPORT (nyomtatási nézet) ═══════════════════════
 * A "PDF-export" gomb a #print-report konténert tölti fel az aktuális
 * eredményekkel, majd window.print()-et hív — a böngésző "Mentés PDF-ként"
 * funkciója adja a tördelt PDF-et (A4, álló).
 */
#print-report { display: none; }

@media print {
  @page { size: A4 portrait; margin: 14mm 13mm; }

  body { background: #fff; font-size: 10pt; }
  body > *:not(#print-report) { display: none !important; }
  #print-report { display: block; color: #0D1B2A; }

  #print-report .pr-header {
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 3px solid #0B3D6B; padding-bottom: 4mm; margin-bottom: 6mm;
  }
  #print-report .pr-header img { height: 13mm; width: auto; }
  #print-report .pr-header .pr-title { text-align: right; }
  #print-report .pr-header h1 {
    font-size: 15pt; color: #0B3D6B; margin: 0; font-family: var(--font-display);
  }
  #print-report .pr-header .pr-sub { font-size: 8.5pt; color: #4A6080; margin-top: 1.5mm; }

  #print-report h2 {
    font-size: 11.5pt; color: #0B3D6B; font-family: var(--font-display);
    border-bottom: 1px solid #C8DFF0; padding-bottom: 1.2mm;
    margin: 6mm 0 3mm; break-after: avoid;
  }
  #print-report .pr-section { break-inside: avoid; }
  #print-report .pr-break { break-before: page; }

  /* KPI-összefoglaló rács */
  #print-report .pr-kpis {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5mm;
  }
  #print-report .pr-kpi {
    border: 1px solid #C8DFF0; border-radius: 2mm; padding: 2.5mm 3mm;
  }
  #print-report .pr-kpi.hero { background: #0B3D6B; border-color: #0B3D6B;
    -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  #print-report .pr-kpi.hero * { color: #fff !important; }
  #print-report .pr-kpi .k { font-size: 6.8pt; text-transform: uppercase; letter-spacing: .06em;
    color: #0090AD; font-weight: 700; font-family: var(--font-display); }
  #print-report .pr-kpi .v { font-size: 12pt; font-weight: 800; color: #0B3D6B;
    font-family: var(--font-display); margin-top: 1mm; }
  #print-report .pr-kpi .s { font-size: 7pt; color: #4A6080; margin-top: .8mm;
    font-family: var(--font-mono); }

  /* táblázatok */
  #print-report table { width: 100%; border-collapse: collapse; font-size: 8.5pt; }
  #print-report th {
    text-align: left; font-size: 7pt; text-transform: uppercase; letter-spacing: .06em;
    color: #4A6080; border-bottom: 1.5pt solid #C8DFF0; padding: 1.5mm 1.5mm;
    font-family: var(--font-display);
  }
  #print-report td { padding: 1.4mm 1.5mm; border-bottom: .5pt solid #E4F0F9; }
  #print-report td.num { text-align: right; font-family: var(--font-mono); font-size: 8pt; white-space: nowrap; }
  #print-report tr.total td { font-weight: 700; color: #0B3D6B; border-top: 1.5pt solid #C8DFF0; border-bottom: none; }
  #print-report tr.sub td { color: #4A6080; font-style: italic; }

  /* bemeneti paraméterek két hasábban */
  #print-report .pr-params { columns: 2; column-gap: 8mm; }
  #print-report .pr-params h3 {
    font-size: 8.5pt; color: #0090AD; margin: 3mm 0 1mm; break-after: avoid;
    font-family: var(--font-display); text-transform: uppercase; letter-spacing: .05em;
  }
  #print-report .pr-params table { break-inside: avoid; }
  #print-report .pr-params td { padding: .9mm 1.5mm; font-size: 8pt; }

  /* diagramképek */
  #print-report .pr-chart { width: 100%; max-height: 95mm; object-fit: contain; display: block; margin: 2mm auto; }
  #print-report .pr-chart.small { max-height: 75mm; }

  /* figyelmeztetések */
  #print-report .pr-warning {
    border: .5pt solid #B87333; border-left: 3pt solid #B87333; border-radius: 1mm;
    padding: 2mm 3mm; font-size: 8.5pt; color: #7A501F; margin: 1.5mm 0;
  }

  /* források + jogi szöveg */
  #print-report .pr-sources { font-size: 7pt; color: #4A6080; columns: 2; column-gap: 8mm; padding-left: 4mm; }
  #print-report .pr-sources li { margin-bottom: 1mm; break-inside: avoid; }
  #print-report .pr-legal {
    font-size: 7pt; color: #4A6080; text-align: justify; line-height: 1.5;
    border-top: .5pt solid #C8DFF0; padding-top: 2.5mm; margin-top: 5mm;
  }
  #print-report a { color: inherit; text-decoration: none; }
}