/* ════════════════════════════════════════════════════════════
   ESD Car 2.0 – gemeinsames Design-System
   Verwendet von index.html, dashboard.html und manual.html
   ════════════════════════════════════════════════════════════ */

:root {
  --bg: #0b0e13;
  --bg-soft: #11151c;
  --card: rgba(255,255,255,0.035);
  --card-border: rgba(255,255,255,0.08);
  --accent: #ff7a1a;
  --accent-soft: #ffb15c;
  --ok: #2dd4a7;
  --warn: #ff4d2e;
  --text: #e9ecf2;
  --muted: #9aa3b2;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 16px;
}

* { box-sizing: border-box; }
::selection { background: rgba(255,122,26,0.35); }

body {
  font-family: "Inter", system-ui, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(255,122,26,0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(45,212,167,0.07), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  margin: 0;
  min-height: 100vh;
}
/* dezentes Raster im Hintergrund */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none; z-index: 0;
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 80%);
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 80%);
}

/* ── TOP-NAVIGATION ── */
.top-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 12px clamp(16px, 3vw, 32px);
  background: rgba(11,14,19,0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--text);
  font-family: var(--font-display);
  font-weight: 700; font-size: 1rem; letter-spacing: -0.01em;
}
.nav-brand .nav-mark {
  width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #ff3d00);
  box-shadow: 0 4px 14px rgba(255,122,26,0.35), inset 0 1px 0 rgba(255,255,255,0.35);
}
.nav-links { display: flex; gap: 6px; flex-wrap: wrap; }
.nav-links a {
  text-decoration: none; color: var(--muted);
  font-size: 0.88rem; font-weight: 600;
  padding: 8px 15px; border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.nav-links a.active {
  color: var(--accent-soft);
  background: rgba(255,122,26,0.10);
  border-color: rgba(255,122,26,0.35);
}

/* ── SEITENINHALT ── */
.page {
  position: relative; z-index: 1;
  max-width: 1500px;
  margin: 0 auto;
  padding: clamp(16px, 3vw, 32px);
}

/* ── KARTEN ── */
.card {
  position: relative;
  background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.018));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
  border-color: rgba(255,255,255,0.16);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
}

h2.section-label, .card > h2 {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 14px 0;
  font-family: var(--font-display);
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--muted);
}
h2.section-label::before, .card > h2::before {
  content: "";
  width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(255,122,26,0.8);
}

.mono { font-family: var(--font-mono); font-size: 0.82rem; color: var(--accent-soft); }
.muted { color: var(--muted); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 22px; border-radius: 999px;
  border: 1px solid transparent;
  font-family: inherit; font-size: 0.92rem; font-weight: 700;
  text-decoration: none; cursor: pointer;
  transition: filter 0.2s ease, transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover  { filter: brightness(1.1); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #ff3d00);
  color: #fff;
  box-shadow: 0 8px 22px rgba(255,122,26,0.35);
}
.btn-ghost {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.14);
  color: var(--text);
}
.btn-ghost:hover { border-color: rgba(255,122,26,0.5); background: rgba(255,122,26,0.12); }

.pill-btn {
  padding: 8px 15px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: var(--text); cursor: pointer;
  font-family: inherit; font-size: 0.8rem; font-weight: 600;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.pill-btn:hover {
  background: rgba(255,122,26,0.15);
  border-color: rgba(255,122,26,0.5);
  transform: translateY(-1px);
}

/* ── CHIPS / TAGS ── */
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--text); font-size: 0.8rem; font-weight: 600;
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* ── TABELLEN ── */
.data-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.85rem;
}
.data-table th {
  text-align: left; font-weight: 600; color: var(--muted);
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.07em;
  border-bottom: 1px solid rgba(255,255,255,0.12); padding: 7px 8px;
}
.data-table td {
  padding: 8px; border-bottom: 1px solid rgba(255,255,255,0.06);
  font-variant-numeric: tabular-nums; vertical-align: top;
}
.data-table tbody tr { transition: background 0.15s ease; }
.data-table tbody tr:hover { background: rgba(255,255,255,0.04); }
.data-table tr:last-child td { border-bottom: none; }
.data-table .file { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent-soft); word-break: break-all; }

/* ── FOOTER ── */
.site-footer {
  position: relative; z-index: 1;
  max-width: 1500px; margin: 0 auto;
  padding: 24px clamp(16px, 3vw, 32px) 36px;
  color: var(--muted); font-size: 0.8rem;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.site-footer a { color: var(--accent-soft); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(45,212,167,0.6); }
  70%  { box-shadow: 0 0 0 9px rgba(45,212,167,0); }
  100% { box-shadow: 0 0 0 0 rgba(45,212,167,0); }
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ════════════════════════════════════════════════════════════
   v2 · öffentliche Version (cits.maksymilianjamroz.com)
   ════════════════════════════════════════════════════════════ */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 3px; border-radius: 6px; }
a { color: inherit; }

/* Navigation */
.nav-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; letter-spacing: -0.01em; }
.nav-sub { font-family: var(--font-mono); font-size: 0.66rem; font-weight: 400; color: var(--muted); letter-spacing: 0.02em; margin-top: 3px; }
.nav-links { align-items: center; }
.nav-award {
  display: inline-flex !important; align-items: center; gap: 7px;
  margin-left: 6px; color: #ffd27a !important;
  background: linear-gradient(135deg, rgba(255,193,77,0.14), rgba(255,122,26,0.10));
  border: 1px solid rgba(255,193,77,0.32) !important;
}
.nav-award:hover { background: rgba(255,193,77,0.2) !important; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 12px; cursor: pointer;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12);
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.nav-toggle span { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--text); transition: transform .2s ease, opacity .2s ease; }
.top-nav.open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.top-nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
.top-nav.open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
@media (max-width: 960px) {
  .top-nav { flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; }
  .nav-links { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 4px; padding: 8px 0 4px; }
  .top-nav.open .nav-links { display: flex; }
  .nav-links a { padding: 11px 14px; border-radius: 12px; }
  .nav-award { margin-left: 0; justify-content: center; }
}

/* Karten: ruhigeres Hover */
.card:hover { transform: none; }
a.card:hover { transform: translateY(-3px); border-color: rgba(255,122,26,0.4); }
a.hero-kicker { text-decoration: none; }
a.hero-kicker:hover { border-color: rgba(45,212,167,0.5); }

/* Auszeichnung */
.award {
  display: grid; grid-template-columns: auto 1fr auto; gap: clamp(18px, 3vw, 34px);
  align-items: center; margin-top: clamp(28px, 4vw, 48px); padding: clamp(20px, 3vw, 32px);
  background:
    radial-gradient(600px 220px at 0% 0%, rgba(255,193,77,0.13), transparent 70%),
    linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border-color: rgba(255,193,77,0.22);
  scroll-margin-top: 90px;
}
.award-badge {
  width: 72px; height: 72px; border-radius: 22px; display: grid; place-items: center;
  background: linear-gradient(135deg, #ffc14d, var(--accent) 60%, #ff3d00);
  box-shadow: 0 14px 36px rgba(255,140,40,0.35), inset 0 1px 0 rgba(255,255,255,0.4);
}
.eyebrow { display: block; font-family: var(--font-mono); font-size: 0.72rem; color: #ffd27a; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 8px; }
.award-title { margin: 0 0 10px; font-family: var(--font-display); font-size: clamp(1.15rem, 2vw, 1.5rem); font-weight: 700; letter-spacing: -0.015em; line-height: 1.25; color: var(--text); }
.award-title::before { display: none; }
.award-body p { margin: 0 0 12px; color: var(--muted); font-size: 0.92rem; line-height: 1.65; max-width: 75ch; }
.text-link { color: var(--accent-soft); font-weight: 600; font-size: 0.88rem; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.award-stats { display: grid; gap: 10px; min-width: 170px; }
.award-stats > div { display: flex; align-items: baseline; gap: 10px; padding: 10px 14px; border-radius: 12px; background: rgba(0,0,0,0.22); border: 1px solid rgba(255,255,255,0.06); }
.award-stats .num { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; color: #ffd27a; min-width: 34px; }
.award-stats .lbl { font-size: 0.8rem; color: var(--muted); }
@media (max-width: 900px) { .award { grid-template-columns: 1fr; } .award-stats { grid-template-columns: repeat(3, 1fr); } .award-stats > div { flex-direction: column; gap: 2px; } }

/* Architektur */
.arch-section { margin-top: clamp(28px, 4vw, 48px); }
.arch-flow { display: grid; grid-template-columns: 1fr 48px 1fr 48px 1fr; align-items: stretch; }
.arch-node {
  position: relative; padding: 22px; border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--card-border);
}
.arch-step { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-soft); }
.arch-node h3 { margin: 6px 0 8px; font-family: var(--font-display); font-size: 1.1rem; }
.arch-node p { margin: 0 0 14px; color: var(--muted); font-size: 0.87rem; line-height: 1.6; }
.arch-node code { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ok); background: rgba(45,212,167,0.08); border: 1px solid rgba(45,212,167,0.2); padding: 4px 8px; border-radius: 7px; }
.arch-link { position: relative; }
.arch-link::before { content: ""; position: absolute; left: 8px; right: 8px; top: 50%; height: 2px; background: linear-gradient(90deg, rgba(255,122,26,0.2), var(--accent), rgba(255,122,26,0.2)); background-size: 200% 100%; animation: flow 2.4s linear infinite; }
.arch-link::after { content: ""; position: absolute; right: 6px; top: calc(50% - 5px); border: 6px solid transparent; border-left-color: var(--accent); border-right: 0; }
@keyframes flow { to { background-position: -200% 0; } }
@media (max-width: 900px) {
  .arch-flow { grid-template-columns: 1fr; }
  .arch-link { height: 34px; }
  .arch-link::before { left: 50%; right: auto; top: 6px; bottom: 6px; width: 2px; height: auto; }
  .arch-link::after { right: auto; left: calc(50% - 5px); top: auto; bottom: 2px; border: 6px solid transparent; border-top-color: var(--accent); border-bottom: 0; }
}

/* Footer */
.site-footer { display: block; margin-top: clamp(32px, 5vw, 64px); padding-top: 36px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; }
.footer-grid h4 { margin: 0 0 12px; font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text); }
.footer-grid > div:not(.footer-about) { display: flex; flex-direction: column; gap: 8px; }
.footer-grid > div a, .footer-grid > div span { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
.footer-grid > div a:hover { color: var(--accent-soft); text-decoration: none; }
.footer-about .nav-brand { margin-bottom: 14px; }
.footer-about .nav-brand .nav-title { color: var(--text); font-size: 1rem; }
.footer-about p { margin: 0; max-width: 42ch; line-height: 1.65; font-size: 0.85rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.06); font-size: 0.76rem; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }

/* Dashboard: Datenquelle */
button.mode-badge { font-family: inherit; cursor: pointer; transition: filter .2s ease, border-color .2s ease; }
button.mode-badge:hover { filter: brightness(1.15); }
.mode-badge.sim { background: rgba(255,193,77,0.08); border-color: rgba(255,193,77,0.3); color: #ffd27a; }
.mode-badge.sim .pulse { background: #ffc14d; animation: none; box-shadow: 0 0 10px rgba(255,193,77,0.7); }
.mqtt-dot.sim { background: #ffc14d; box-shadow: 0 0 10px rgba(255,193,77,0.7); }
.conn-status { display: flex; align-items: center; gap: 4px; font-size: 0.9rem; margin-bottom: 12px; }
.seg { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; gap: 4px; border-radius: 12px; background: rgba(0,0,0,0.28); border: 1px solid rgba(255,255,255,0.08); }
.seg-btn { padding: 9px 10px; border-radius: 9px; border: 0; background: transparent; color: var(--muted); font: 600 0.84rem/1 Inter, system-ui, sans-serif; cursor: pointer; transition: background .15s ease, color .15s ease; }
.seg-btn:hover { color: var(--text); }
.seg-btn.active { background: linear-gradient(135deg, var(--accent), #ff3d00); color: #fff; box-shadow: 0 4px 14px rgba(255,122,26,0.3); }
.conn-hint { margin: 10px 0 0; font-size: 0.78rem; line-height: 1.55; color: var(--muted); }
.conn-dialog { width: min(440px, calc(100vw - 32px)); padding: 0; border-radius: 18px; border: 1px solid rgba(255,255,255,0.12); background: #12161d; color: var(--text); box-shadow: 0 30px 80px rgba(0,0,0,0.6); }
.conn-dialog::backdrop { background: rgba(5,7,10,0.65); backdrop-filter: blur(4px); }
.conn-dialog form { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.conn-dialog h3 { margin: 0; font-family: var(--font-display); font-size: 1.2rem; }
.conn-dialog p { margin: 0; font-size: 0.85rem; line-height: 1.55; }
.conn-dialog label { display: flex; flex-direction: column; gap: 6px; font-size: 0.78rem; font-weight: 600; color: var(--muted); }
.conn-dialog input { padding: 11px 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.14); background: rgba(0,0,0,0.3); color: var(--text); font: 0.88rem var(--font-mono); }
.conn-dialog input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,122,26,0.2); }
.dlg-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }
html.embed .top-nav, html.embed .site-footer { display: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}