/* KPC Brand — Interaktyvus daugiabučio rentgenas MVP */
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@900,700,500,400&display=swap');

:root {
  --kpc-primary: #04494F;
  --kpc-primary-light: #0a6a71;
  --kpc-primary-dark: #023135;
  --kpc-accent: #6ED6AA;
  --kpc-accent-dark: #4ab380;
  --kpc-danger: #EA5044;
  --kpc-warning: #e0a100;
  --kpc-latte: #FFF8E9;
  --kpc-text: #1F2937;
  --kpc-text-muted: #68757c;
  --kpc-bg: #FAFBFC;
  --kpc-card: #FFFFFF;
  --kpc-border: #E5E7EB;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--kpc-text);
  background: var(--kpc-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* NAVBAR */
.nav {
  background: var(--kpc-primary);
  color: var(--kpc-latte);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 2px 8px rgba(4,73,79,0.15);
  border-bottom: 2px solid var(--kpc-accent);
  position: sticky; top: 0; z-index: 100;
}
.nav .logo { font-weight: 900; font-size: 20px; letter-spacing: -0.5px; display: inline-flex; align-items: center; gap: 10px; color: var(--kpc-latte); text-decoration: none; }
.nav .logo .logo-text { color: var(--kpc-latte); line-height: 1; }
.nav .logo .logo-text span { color: var(--kpc-accent); }
.nav .logo img {
  height: 32px; width: 32px; display: block;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(94%) sepia(17%) saturate(324%) hue-rotate(329deg) brightness(104%) contrast(103%);
}

/* Card brand icon override */
.card .icon-brand {
  width: 56px; height: 56px; margin-bottom: 6px;
  object-fit: contain;
  border-radius: 10px;
}
.nav a {
  color: var(--kpc-latte); text-decoration: none; padding: 6px 12px;
  border-radius: 6px; font-weight: 500; font-size: 14px;
  transition: all 0.2s;
}
.nav a:hover { background: rgba(255,248,233,0.15); }
.nav a.active { background: var(--kpc-accent); color: var(--kpc-primary); }
.nav .spacer { flex: 1; }

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--kpc-primary) 0%, var(--kpc-primary-light) 100%);
  color: var(--kpc-latte);
  padding: 60px 24px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  margin: 0 0 16px;
  letter-spacing: -1px;
}
.hero p { font-size: 18px; margin: 0 auto 24px; max-width: 640px; opacity: 0.92; }
.hero .cta {
  display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center;
}
.btn {
  padding: 14px 24px; border-radius: 10px; text-decoration: none;
  font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.2s; border: 2px solid transparent; cursor: pointer;
}
.btn-primary {
  background: var(--kpc-accent); color: var(--kpc-primary);
}
.btn-primary:hover { background: var(--kpc-accent-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(110,214,170,0.4); }
.btn-outline {
  background: transparent; color: var(--kpc-latte); border-color: var(--kpc-latte);
}
.btn-outline:hover { background: var(--kpc-latte); color: var(--kpc-primary); }
.btn-danger { background: var(--kpc-danger); color: #fff; }

/* MAIN */
.container { max-width: 1200px; margin: 0 auto; padding: 32px 20px; }

/* CARDS */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin: 32px 0; }
.card {
  background: var(--kpc-card); border-radius: 16px; padding: 24px;
  border: 1px solid var(--kpc-border); box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: all 0.25s; text-decoration: none; color: var(--kpc-text);
  display: flex; flex-direction: column; gap: 10px;
}
.card:hover {
  box-shadow: 0 12px 28px rgba(4,73,79,0.12);
  transform: translateY(-4px); border-color: var(--kpc-accent);
}
.card .icon { font-size: 40px; line-height: 1; }
.card h3 { color: var(--kpc-primary); margin: 0; font-size: 20px; font-weight: 700; }
.card p { color: var(--kpc-text-muted); margin: 0; font-size: 14px; }
.card .tag {
  background: var(--kpc-accent); color: var(--kpc-primary);
  font-size: 11px; font-weight: 700; padding: 3px 10px;
  border-radius: 12px; display: inline-block; margin-top: auto;
  text-transform: uppercase; letter-spacing: 0.5px;
}

/* SECTIONS */
h2 { color: var(--kpc-primary); font-size: 28px; font-weight: 800; margin: 40px 0 16px; letter-spacing: -0.5px; }
h3 { color: var(--kpc-primary); font-weight: 700; }

/* HOUSE 3D visualization (SVG isometric) */
.house-view {
  background: linear-gradient(180deg, #e8f4f0 0%, #d4ebe1 100%);
  border-radius: 16px; padding: 20px; position: relative; overflow: hidden;
  min-height: 500px;
}
.house-svg { width: 100%; height: auto; max-height: 600px; display: block; }
.hotspot {
  cursor: pointer; transition: all 0.2s;
}
.hotspot circle { fill: var(--kpc-danger); stroke: #fff; stroke-width: 3; }
.hotspot:hover circle { fill: var(--kpc-accent); r: 18; }
.hotspot text { fill: #fff; font-weight: 700; font-size: 14px; text-anchor: middle; dominant-baseline: central; pointer-events: none; }

/* RULE BAR (režimų perjungimas) */
.mode-bar {
  display: flex; gap: 8px; background: var(--kpc-card); padding: 6px;
  border-radius: 12px; margin: 20px 0; border: 1px solid var(--kpc-border);
  overflow-x: auto;
}
.mode-bar button {
  padding: 10px 16px; border: none; background: transparent;
  color: var(--kpc-text-muted); font-weight: 600; cursor: pointer;
  border-radius: 8px; font-size: 14px; flex: 1; min-width: fit-content;
  transition: all 0.2s;
}
.mode-bar button.active {
  background: var(--kpc-primary); color: var(--kpc-latte);
}
.mode-bar button:hover:not(.active) { background: var(--kpc-bg); }

/* MODAL hotspot info */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(4,73,79,0.65);
  display: none; align-items: center; justify-content: center; z-index: 200;
  padding: 20px;
}
.modal-backdrop.active { display: flex; }
.modal {
  background: var(--kpc-card); border-radius: 16px; padding: 24px;
  max-width: 560px; width: 100%; max-height: 85vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal h3 { margin: 0 0 8px; display: flex; justify-content: space-between; align-items: start; gap: 10px; }
.modal .close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--kpc-text-muted); line-height: 1; padding: 0; }
.modal .close:hover { color: var(--kpc-danger); }
.modal .source-badge {
  display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700;
  padding: 4px 10px; border-radius: 10px; text-transform: uppercase; margin: 6px 0 12px;
}
.badge-ok { background: rgba(110,214,170,0.2); color: #044333; border: 1px solid var(--kpc-accent); }
.badge-warn { background: rgba(224,161,0,0.15); color: #8a6a00; border: 1px solid var(--kpc-warning); }
.badge-missing { background: rgba(234,80,68,0.15); color: var(--kpc-danger); border: 1px solid var(--kpc-danger); }

.modal .section-title {
  color: var(--kpc-primary); font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; margin: 16px 0 6px;
}

/* TIP LIST (gidai) */
.tip-list { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 12px; }
.tip-list li {
  background: var(--kpc-card); border-radius: 12px; padding: 16px 20px;
  border-left: 4px solid var(--kpc-accent); display: flex; gap: 16px; align-items: start;
}
.tip-list li .num {
  background: var(--kpc-primary); color: var(--kpc-latte);
  width: 32px; height: 32px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0;
}
.tip-list li .content { flex: 1; }
.tip-list li .content h4 { margin: 0 0 4px; color: var(--kpc-primary); font-size: 16px; font-weight: 700; }
.tip-list li .content p { margin: 0; color: var(--kpc-text-muted); font-size: 14px; }
.tip-list li .saving {
  background: var(--kpc-accent); color: var(--kpc-primary);
  font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 10px;
  white-space: nowrap;
}

/* BUTO EKRANAS (Mano butas V2) */
.table-grid {
  background: var(--kpc-card); border-radius: 12px; overflow: hidden;
  border: 1px solid var(--kpc-border); margin: 20px 0;
}
.table-grid table { width: 100%; border-collapse: collapse; }
.table-grid th {
  background: var(--kpc-primary); color: var(--kpc-latte);
  text-align: left; padding: 12px 16px; font-weight: 700; font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.table-grid td { padding: 14px 16px; border-top: 1px solid var(--kpc-border); font-size: 14px; }
.table-grid tr:hover td { background: rgba(110,214,170,0.05); }
.status {
  display: inline-block; padding: 4px 10px; border-radius: 10px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}
.status-pal { background: rgba(110,214,170,0.2); color: #044333; }
.status-keic { background: rgba(234,80,68,0.15); color: var(--kpc-danger); }
.status-net { background: #f3f4f6; color: var(--kpc-text-muted); }

/* FOOTER */
.footer {
  background: var(--kpc-primary); color: var(--kpc-latte);
  padding: 40px 20px 20px; text-align: center; margin-top: 60px;
}
.footer .brand { font-weight: 900; font-size: 18px; margin-bottom: 8px; }
.footer .brand span { color: var(--kpc-accent); }
.footer .meta { font-size: 13px; opacity: 0.8; margin: 6px 0; }
.footer a { color: var(--kpc-accent); text-decoration: none; }

/* Responsive */
@media (max-width: 640px) {
  .nav { padding: 10px 14px; flex-wrap: wrap; }
  .nav .logo { font-size: 16px; }
  .nav a { padding: 4px 8px; font-size: 13px; }
  .hero { padding: 40px 16px; }
  .container { padding: 20px 14px; }
  .cards { gap: 12px; }
  .card { padding: 18px; }
  .table-grid { font-size: 12px; overflow-x: auto; }
  .modal { padding: 18px; max-height: 92vh; }
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --kpc-bg: #0a1a1b;
    --kpc-card: #152324;
    --kpc-text: #e5e7eb;
    --kpc-text-muted: #a0b0b2;
    --kpc-border: #2a3a3b;
  }
  .hero { background: linear-gradient(135deg, #023135 0%, #04494F 100%); }
  .house-view { background: linear-gradient(180deg, #152324 0%, #0a1a1b 100%); }
}