@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&family=Space+Mono:wght@400;700&display=swap');

:root {
  --c-bg:        #f4f3ef;
  --c-surface:   #ffffff;
  --c-border:    #e2e1dc;
  --c-text:      #1a1a1a;
  --c-muted:     #6b6b6b;
  --c-accent:    #e8650a;
  --c-accent-h:  #c85508;
  --c-navy:      #1e2b3c;
  --c-navy-l:    #263548;
  --c-green:     #22a06b;
  --c-red:       #d93025;
  --font-main:   'DM Sans', sans-serif;
  --font-mono:   'Space Mono', monospace;
  --radius:      10px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,.10);
  --transition:  .18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: var(--c-bg); color: var(--c-text); line-height: 1.5; min-height: 100vh; display: flex; flex-direction: column; }
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* NAV */
.nav { background: var(--c-navy); border-bottom: 3px solid var(--c-accent); position: sticky; top: 0; z-index: 100; }
.nav__inner { max-width: 1280px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; height: 58px; }
.nav__brand { display: flex; align-items: center; gap: 10px; }
.nav__logo { width: 32px; height: 32px; background: var(--c-accent); border-radius: 7px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.nav__logo svg { color: #fff; }
.nav__title { font-family: var(--font-mono); font-size: 18px; font-weight: 700; color: #fff; letter-spacing: -0.5px; }
.nav__title span { color: var(--c-accent); }
.nav__links { display: flex; gap: 4px; list-style: none; align-items: center; }
.nav__links a { color: rgba(255,255,255,.75); font-size: 13px; font-weight: 500; padding: 6px 12px; border-radius: 6px; transition: var(--transition); }
.nav__links a:hover, .nav__links a.active { color: #fff; background: rgba(255,255,255,.08); }
.nav__links a.active { color: var(--c-accent); }
.nav__burger { display: none; background: none; border: none; padding: 6px; flex-direction: column; gap: 5px; }
.nav__burger span { display: block; width: 22px; height: 2px; background: rgba(255,255,255,.8); border-radius: 2px; transition: var(--transition); }
.nav__mobile { display: none; flex-direction: column; background: var(--c-navy-l); padding: 8px 16px 12px; }
.nav__mobile a { color: rgba(255,255,255,.8); font-size: 14px; font-weight: 500; padding: 10px 8px; border-bottom: 1px solid rgba(255,255,255,.06); display: block; transition: var(--transition); }
.nav__mobile a:last-child { border: none; }
.nav__mobile a:hover { color: var(--c-accent); }
.nav__mobile.open { display: flex; }

/* HERO */
.page-hero { background: linear-gradient(135deg, var(--c-navy) 0%, #2a3f58 100%); padding: 36px 20px 32px; text-align: center; }
.page-hero h1 { font-size: clamp(22px, 4vw, 32px); font-weight: 600; color: #fff; letter-spacing: -0.5px; }
.page-hero p { color: rgba(255,255,255,.6); font-size: 14px; margin-top: 6px; max-width: 620px; margin-left: auto; margin-right: auto; }

/* MAIN */
.main-content { flex: 1; }
.app-wrap { max-width: 1280px; margin: 0 auto; padding: 20px 16px 40px; display: flex; flex-direction: column; gap: 18px; }

/* PANELS */
.panel { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); }
.panel__title { font-size: 11px; font-weight: 600; color: var(--c-muted); letter-spacing: .8px; text-transform: uppercase; display: flex; align-items: center; gap: 7px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--c-border); }
.panel__title svg { flex-shrink: 0; }

/* CALC GRID */
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* FORM */
.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field label { display: block; font-size: 11px; font-weight: 600; color: var(--c-muted); letter-spacing: .6px; text-transform: uppercase; margin-bottom: 5px; }
.field label strong { color: var(--c-text); font-weight: 600; text-transform: none; font-size: 12px; letter-spacing: 0; }
.inp { padding: 10px 38px 10px 12px; border: 1.5px solid var(--c-border); border-radius: 7px; font-size: 14px; color: var(--c-text); background: var(--c-bg); transition: border-color var(--transition), box-shadow var(--transition); -webkit-appearance: none; width: 100%; }
.inp:focus { border-color: var(--c-accent); outline: none; box-shadow: 0 0 0 3px rgba(232,101,10,.12); background: #fff; }
.inp--full { width: 100%; }
select.inp { padding-right: 32px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b6b6b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; cursor: pointer; }
.inp-wrap { position: relative; }
.inp-euro { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-size: 13px; color: var(--c-muted); pointer-events: none; font-weight: 600; }
.field-hint { font-size: 11px; color: var(--c-muted); margin-top: 4px; line-height: 1.4; }
.field-error { font-size: 11px; color: var(--c-red); margin-top: 4px; line-height: 1.4; min-height: 0; }
.inp.inp--error { border-color: var(--c-red); }

/* Salary inputs */
.salary-inputs { display: flex; flex-direction: column; }
.inp-divider { height: 1px; background: var(--c-border); margin: 10px 0; }

/* Settings grid */
.settings-grid { display: flex; flex-direction: column; gap: 0; }

/* Radio toggle – atskaitymų metodas */
.radio-group { display: flex; gap: 8px; margin-top: 2px; }
.radio-option { flex: 1; }
.radio-option input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.radio-option label {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 12px; border: 1.5px solid var(--c-border); border-radius: 7px;
  font-size: 13px; font-weight: 500; color: var(--c-muted);
  cursor: pointer; transition: all var(--transition); text-align: center;
  background: var(--c-bg);
}
.radio-option input[type="radio"]:checked + label {
  border-color: var(--c-accent); color: var(--c-accent);
  background: rgba(232,101,10,.06); font-weight: 600;
}
.radio-option label:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* RESULTS */
.results-panel { padding: 20px; }
.results-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--c-border); }
.btn-print { display: flex; align-items: center; gap: 6px; background: var(--c-navy); color: #fff; border: none; border-radius: 7px; font-size: 12px; font-weight: 600; padding: 8px 14px; letter-spacing: .3px; transition: background var(--transition); }
.btn-print:hover { background: var(--c-navy-l); }
.results-empty { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 32px 16px; color: var(--c-muted); font-size: 13px; text-align: center; }
.results-empty svg { color: var(--c-border); }

/* Summary bar */
.summary-bar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 20px; }
.summary-bar--4 { grid-template-columns: repeat(4, 1fr); }
.summary-card { background: var(--c-bg); border: 1px solid var(--c-border); border-radius: 8px; padding: 14px 16px; }
.summary-card--vmi { background: #fff1f0; border-color: #fca5a5; }
.summary-card__label { font-size: 10px; font-weight: 600; color: var(--c-muted); letter-spacing: .6px; text-transform: uppercase; margin-bottom: 5px; }
.summary-card--vmi { background: #fff1f0; border-color: #fca5a5; }
.summary-card--sodra-red { background: #fff1f0; border-color: #fca5a5; }
.summary-card--green { background: #f0fdf4; border-color: #bbf7d0; }
.summary-card__label { font-size: 10px; font-weight: 600; color: var(--c-muted); letter-spacing: .6px; text-transform: uppercase; margin-bottom: 5px; }
.summary-card--vmi .summary-card__label { color: #b91c1c; }
.summary-card--sodra-red .summary-card__label { color: #b91c1c; }
.summary-card--green .summary-card__label { color: #15803d; }
.summary-card__val { font-family: var(--font-mono); font-size: 22px; font-weight: 700; color: var(--c-text); }
.summary-card--vmi .summary-card__val { color: #d93025; }
.summary-card--sodra-red .summary-card__val { color: #d93025; }
.summary-card--green .summary-card__val { color: #16a34a; }

/* Breakdown */
.breakdown { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.breakdown-col { border: 1px solid var(--c-border); border-radius: 8px; overflow: hidden; }
.breakdown-title { font-size: 10px; font-weight: 600; color: var(--c-muted); letter-spacing: .8px; text-transform: uppercase; padding: 10px 14px; background: var(--c-bg); border-bottom: 1px solid var(--c-border); }
.breakdown-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 14px; border-bottom: 1px solid var(--c-border); font-size: 13px; }
.breakdown-row:last-child { border-bottom: none; }
.breakdown-row--sub { background: #fafaf9; }
.breakdown-row--tax { }
.breakdown-row--total { background: #f8f7f3; }
.breakdown-row__label { color: var(--c-text); flex: 1; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.breakdown-row__val { font-family: var(--font-mono); font-size: 13px; font-weight: 700; white-space: nowrap; }
.breakdown-row__val--red { color: var(--c-red); }
.breakdown-row__val--green { color: var(--c-green); }

/* Tags / badges */
.rate-badge { font-size: 10px; font-weight: 700; background: var(--c-bg); color: var(--c-muted); border: 1px solid var(--c-border); border-radius: 4px; padding: 1px 5px; font-family: var(--font-mono); letter-spacing: 0; white-space: nowrap; }
.rate-badge.kod { background: #eef6ff; color: #2563eb; border-color: #bfdbfe; }
.tag-info { font-size: 10px; font-weight: 700; background: rgba(34,160,107,.12); color: var(--c-green); border-radius: 4px; padding: 1px 5px; font-family: var(--font-mono); letter-spacing: 0; }

/* Effective rates bar */
.eff-rates { display: flex; gap: 0; border: 1px solid var(--c-border); border-radius: 8px; overflow: hidden; margin-top: 16px; }
.eff-item { flex: 1; padding: 10px 14px; border-right: 1px solid var(--c-border); }
.eff-item:last-child { border-right: none; }
.eff-item__label { font-size: 10px; font-weight: 600; color: var(--c-muted); letter-spacing: .6px; text-transform: uppercase; margin-bottom: 4px; }
.eff-item__val { font-family: var(--font-mono); font-size: 16px; font-weight: 700; color: var(--c-text); }

/* INFO SECTIONS */
.info-section { max-width: 1280px; margin: 0 auto; padding: 40px 16px; width: 100%; }
.info-section h2 { font-size: clamp(18px, 3vw, 24px); font-weight: 600; color: var(--c-navy); margin-bottom: 8px; }
.sub { font-size: 13px; color: var(--c-muted); margin-bottom: 28px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 32px; }
.step-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 18px; position: relative; }
.step-num { font-family: var(--font-mono); font-size: 28px; font-weight: 700; color: var(--c-border); margin-bottom: 8px; line-height: 1; }
.step-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.step-card p { font-size: 13px; color: var(--c-muted); line-height: 1.6; }

/* Grain info (dark) */
.grain-info { background: linear-gradient(135deg, var(--c-navy) 0%, #1a3050 100%); border-radius: var(--radius); padding: 24px; margin-bottom: 0; }
.grain-info h3 { font-size: 16px; font-weight: 600; color: var(--c-accent); margin-bottom: 6px; }
.grain-info > p { font-size: 13px; color: rgba(255,255,255,.7); line-height: 1.7; }
.grain-visual { margin-top: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.grain-box { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 8px; padding: 14px; }
.grain-box h4 { font-size: 12px; font-weight: 600; color: rgba(255,255,255,.5); letter-spacing: .5px; margin-bottom: 8px; text-transform: uppercase; }
.grain-box p { font-size: 13px; color: rgba(255,255,255,.8); line-height: 1.6; }
.grain-box svg { margin-bottom: 8px; color: var(--c-accent); }

/* FAQ */
.faq-section { width: 100%; }
.faq { display: flex; flex-direction: column; gap: 10px; margin: 0 0 40px; width: 100%; }
.faq-item { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; width: 100%; }
.faq-q { width: 100%; text-align: left; padding: 16px 18px; background: none; border: none; font-size: 14px; font-weight: 600; color: var(--c-text); display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; transition: background var(--transition); }
.faq-q:hover { background: #fafaf8; }
.faq-a { display: none; padding: 16px 18px; font-size: 13px; color: var(--c-muted); line-height: 1.7; border-top: 1px solid var(--c-border); }
.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-q svg { transform: rotate(45deg); }
.faq-q svg { transition: transform var(--transition); flex-shrink: 0; }

/* SEO text */
.seo-block { padding-top: 0; }
.seo-content { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 32px; }
.seo-content p { font-size: 13px; color: var(--c-muted); line-height: 1.75; }

/* FOOTER */
.footer { background: var(--c-navy); border-top: 3px solid var(--c-accent); color: rgba(255,255,255,.65); padding: 40px 20px 24px; }
.footer__inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
.footer__brand .nav__logo { width: 36px; height: 36px; margin-bottom: 10px; }
.footer__brand h3 { font-family: var(--font-mono); font-size: 16px; color: #fff; font-weight: 700; }
.footer__brand p { font-size: 13px; line-height: 1.7; margin-top: 6px; max-width: 280px; }
.footer__col h4 { font-size: 11px; font-weight: 600; color: #fff; letter-spacing: .8px; text-transform: uppercase; margin-bottom: 12px; }
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.footer__col a { font-size: 13px; color: rgba(255,255,255,.55); transition: color var(--transition); }
.footer__col a:hover { color: var(--c-accent); }
.footer__bottom { max-width: 1280px; margin: 28px auto 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 12px; color: rgba(255,255,255,.35); }

/* UTILITY */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.hidden { display: none !important; }

/* PRINT */
.print-header { display: none; }
.print-footer-note { display: none; }

@media print {
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
  .nav, .page-hero, .no-print, .calc-grid, .info-section, .footer,
  .results-header .btn-print, .eff-rates { display: none !important; }
  body { background: #fff; font-family: Arial, sans-serif; color: #1a1a1a; font-size: 11px; margin: 0; padding: 0; }
  .main-content { padding: 0; }
  .app-wrap { padding: 10px 14px; max-width: 100%; }
  .results-panel { box-shadow: none; border: none; padding: 0; }
  .print-header { display: block !important; padding-bottom: 10px; margin-bottom: 14px; border-bottom: 2px solid #1e2b3c; }
  .print-header h2 { font-size: 18px; font-weight: 700; color: #1e2b3c; }
  .print-header p { font-size: 11px; color: #555; margin-top: 3px; }
  .summary-bar { gap: 10px; margin-bottom: 14px; }
  /* Summary kortelės su spalvomis */
  .summary-card { background: #f4f3ef !important; border: 1px solid #ccc !important; }
  .summary-card--vmi { background: #fff1f0 !important; border-color: #fca5a5 !important; }
  .summary-card--sodra-red { background: #fff1f0 !important; border-color: #fca5a5 !important; }
  .summary-card--green { background: #f0fdf4 !important; border-color: #bbf7d0 !important; }
  .summary-card__val { font-size: 16px; }
  .summary-card--vmi .summary-card__val { color: #d93025 !important; }
  .summary-card--sodra-red .summary-card__val { color: #d93025 !important; }
  .summary-card--green .summary-card__val { color: #16a34a !important; }
  .summary-card--vmi .summary-card__label { color: #b91c1c !important; }
  .summary-card--sodra-red .summary-card__label { color: #b91c1c !important; }
  .summary-card--green .summary-card__label { color: #15803d !important; }
  /* Breakdown spalvos */
  .breakdown { gap: 12px; }
  .breakdown-row { padding: 6px 10px; font-size: 11px; }
  .breakdown-row__val { font-size: 11px; }
  .breakdown-row__val--red { color: #d93025 !important; }
  .breakdown-row__val--green { color: #16a34a !important; font-weight: 700; }
  .breakdown-row--sub { background: #fafaf9 !important; }
  .breakdown-row--total { background: #f8f7f3 !important; }
  .results-header { display: flex !important; border: none; padding-bottom: 0; margin-bottom: 10px; }
  .print-footer-note { display: block !important; margin-top: 24px; padding-top: 10px; border-top: 1px solid #ccc; font-size: 10px; color: #555; text-align: center; }
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .calc-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .grain-visual { grid-template-columns: 1fr 1fr; }
  .seo-content { grid-template-columns: 1fr; }
  .breakdown { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .footer__inner { grid-template-columns: 1fr; gap: 24px; }
  .grain-visual { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .summary-bar { grid-template-columns: 1fr 1fr; gap: 10px; }
  .summary-bar--4 { grid-template-columns: 1fr 1fr; }
  .eff-rates { flex-direction: column; }
  .eff-item { border-right: none; border-bottom: 1px solid var(--c-border); }
  .eff-item:last-child { border-bottom: none; }
  .summary-card__val { font-size: 18px; }
  .radio-group { flex-direction: column; }
}
@media (max-width: 480px) {
  .app-wrap { padding: 12px 10px 30px; }
  .panel { padding: 14px; }
  .breakdown-row { padding: 7px 10px; }
}