/* =========================================
   SOLID-CHAINSAW – Retro Neon/CRT Theme
   Target HTML:
     - h1, table.layout-table, button.accordion, div.panel, #Terminal textarea
   Author: M365 Copilot
   ========================================= */

/* ---------- THEME VARIABLES ---------- */
:root {
  /* Backgrounds */
  --bg-0: #0a0d1a;
  --bg-1: #0f1230;
  --bg-2: #171a3a;

  /* Text / accents */
  --ink-0: #e6e9ff;
  --ink-muted: #b7bde6;
  --link: #75d1ff;
  --neon-1: #7bffdf; /* cyan/teal */
  --neon-2: #ff6ad5; /* magenta */
  --neon-3: #ffd166; /* amber */

  /* Borders */
  --stroke-1: #2b2f66;
  --stroke-2: #3e438b;

  /* Effects */
  --glow-1: 0 0 8px rgba(123,255,223,0.35), 0 0 16px rgba(123,255,223,0.2);
  --glow-2: 0 0 10px rgba(255,106,213,0.35), 0 0 18px rgba(255,106,213,0.18);
  --focus-ring: 0 0 0 3px rgba(123,255,223,0.35), 0 0 0 6px rgba(123,255,223,0.18);

  /* Rhythm */
  --radius-1: 10px;
  --radius-2: 14px;
  --pad-1: 0.75rem;
  --pad-2: 1rem;
  --pad-3: 1.5rem;

  /* CRT toggle */
  --scanline-opacity: 0.07;  /* set 0 to disable */
  --vignette-opacity: 0.22;

  /* Fonts */
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans";
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  /* Für echten Pixel-Look optional: 
     1) <link href="https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap" rel="stylesheet  /* --font-display: "Press Start 2P", var(--font-mono); */
  --font-display: var(--font-mono);
}

/* Respektiere Nutzerpräferenz für reduzierte Bewegungen */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- RESET (sanft) ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

img, svg, video, canvas { display: block; max-width: 100%; }

button, input, textarea, select { font: inherit; color: inherit; }

:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* ---------- GLOBAL BACKGROUND / TYPO ---------- */
body {
  min-height: 100vh;
  color: var(--ink-0);
  background:
    radial-gradient(1200px 800px at 20% -10%, #27306e 0%, rgba(39,48,110,0.15) 40%, transparent 60%),
    radial-gradient(1000px 700px at 110% 20%, #5b2a6d 0%, rgba(91,42,109,0.12) 45%, transparent 70%),
    linear-gradient(180deg, var(--bg-0), var(--bg-0));
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  padding: 1.2rem;
}

/* CRT Scanlines + Vignette */
body::before, body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
}
body::before {
  background: linear-gradient(rgba(255,255,255,var(--scanline-opacity)) 1px, transparent 1px);
  background-size: 100% 3px;
  mix-blend-mode: overlay;
}
body::after {
  background: radial-gradient(120% 120% at 50% 50%, transparent 60%, rgba(0,0,0,var(--vignette-opacity)) 100%);
}

/* ---------- HEADLINE ---------- */
h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.2rem + 3vw, 3.2rem);
  letter-spacing: 0.08em;
  margin: 0 0 1rem;
  color: #fff;
  text-shadow:
    0 0 2px rgba(255,255,255,0.12),
    0 0 12px rgba(117,209,255,0.25),
    0 0 24px rgba(255,106,213,0.25);
  position: relative;
  z-index: 1;
}

/* Subheader underline effect for |-/\  */
h1::after {
  content: "";
  display: block;
  height: 3px;
  margin-top: .5rem;
  background: linear-gradient(90deg, var(--neon-2), var(--neon-1), var(--neon-3));
  filter: drop-shadow(0 0 10px rgba(123,255,223,0.35));
  border-radius: 2px;
}

/* ---------- LAYOUT TABLE ---------- */
/* Wir lassen deine table-Struktur, aber geben ihr Card-/Panel-Feeling */
.layout-table {
  width: min(1100px, 96vw);
  margin: 0 auto;
  border-collapse: separate;
  border-spacing: 0;
  position: relative;
  z-index: 1; /* über Scanlines */
}

.layout-table td {
  padding: 0;
  vertical-align: top;
}

/* Optional: äußerer Rahmen um den Content-Block */
.layout-table {
  background: linear-gradient(180deg, rgba(21,24,58,0.9), rgba(13,16,36,0.9));
  border: 1px solid var(--stroke-1);
  border-radius: var(--radius-2);
  box-shadow: 0 10px 24px rgba(0,0,0,0.35);
  overflow: hidden;
}

/* Innenabstände für die Zellen */
.layout-table tr:first-child td { padding: var(--pad-3) var(--pad-3) var(--pad-2); }
.layout-table tr:last-child  td { padding: 0 var(--pad-3) var(--pad-3); }

/* ---------- ACCORDION ---------- */
.accordion {
  width: 100%;
  appearance: none;
  border: 1px solid var(--stroke-1);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(38,255,210,0.12), rgba(19,24,60,0.9));
  color: var(--neon-1);
  text-shadow: 0 0 10px rgba(123,255,223,0.6);
  padding: 0.9rem 1rem;
  cursor: pointer;
  text-align: left;
  position: relative;
  transition: border-color .2s ease, box-shadow .2s ease, transform .04s ease, filter .2s ease;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
}

.accordion:hover { border-color: var(--stroke-2); box-shadow: var(--glow-1); }
.accordion:active { transform: translateY(1px) scale(0.995); }
.accordion:focus-visible { box-shadow: var(--focus-ring), var(--glow-1); }

/* Pfeil/Status-Indikator rechts */
.accordion::after {
  content: "▸";
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--ink-0);
  opacity: 0.8;
  transition: transform .2s ease;
  font-family: var(--font-mono);
}

.accordion.active::after { transform: translateY(-50%) rotate(90deg); }

/* ---------- PANEL (Accordion-Content) ---------- */
.panel {
  display: none; /* initial via JS toggled */
  margin-top: .8rem;
  border: 1px solid var(--stroke-1);
  border-radius: 10px;
  background:
    radial-gradient(120% 60% at 0% 0%, rgba(123,255,223,0.10), transparent 50%),
    radial-gradient(120% 60% at 100% 0%, rgba(255,106,213,0.10), transparent 50%),
    linear-gradient(180deg, rgba(21,24,58,0.92), rgba(13,16,36,0.92));
  padding: var(--pad-2);
  color: var(--ink-0);
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.25);
  animation: panelIn .25s ease-out;
}

.panel p { margin: 0 0 .9rem; color: var(--ink-0); }
.panel p:last-child { margin-bottom: 0; }

@keyframes panelIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- TERMINAL (TEXTAREA) ---------- */
#Terminal {
  width: 100%;
  display: block;
  color: #b9ffea;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255,255,255,0.04),
      rgba(255,255,255,0.04) 1px,
      rgba(0,0,0,0) 3px,
      rgba(0,0,0,0) 4px
    ),
    radial-gradient(120% 80% at 0% 0%, rgba(123,255,223,0.10), transparent 50%),
    radial-gradient(120% 80% at 100% 0%, rgba(255,106,213,0.10), transparent 50%),
    linear-gradient(180deg, #0b0f2a, #0a0d1f);
  border: 1px solid var(--stroke-1);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  resize: vertical;
  min-height: 360px;
  box-shadow: inset 0 12px 24px rgba(0,0,0,0.45), 0 10px 24px rgba(0,0,0,0.35);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.55;
  caret-color: var(--neon-1);
  position: relative;
}

/* Glühender Cursor-Effekt (optisch) */
#Terminal:focus-visible {
  border-color: rgba(123,255,223,0.6);
  box-shadow: var(--glow-1), inset 0 12px 24px rgba(0,0,0,0.45);
}

/* Optionaler Retro-Flicker (sehr dezent) */
@keyframes crtFlicker {
  0%, 100% { filter: none; }
  50% { filter: brightness(1.02) saturate(1.02); }
}
#Terminal:not(:focus) { animation: crtFlicker 4s ease-in-out infinite; }

/* Scrollbar Styling (WebKit/Chromium/Edge) */
#Terminal::-webkit-scrollbar       { width: 10px; }
#Terminal::-webkit-scrollbar-track { background: rgba(20,24,60,0.5); }
#Terminal::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(38,255,210,0.25), rgba(19,24,60,0.9));
  border: 1px solid var(--stroke-2);
  border-radius: 10px;
}

/* Placeholder-Ton etwas heller */
#Terminal::placeholder { color: rgba(185,255,234,0.6); }

/* ---------- LINKS, TEXT, SELECTION ---------- */
a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px dashed rgba(117,209,255,0.45);
  transition: color .2s ease, border-color .2s ease, text-shadow .2s ease;
}
a:hover {
  color: #b7f0ff;
  text-shadow: 0 0 8px rgba(117,209,255,0.6);
  border-bottom-color: rgba(183,240,255,0.7);
}

::selection {
  background: rgba(123,255,223,0.25);
  color: #fff;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 720px) {
  body { padding: .9rem; }
  h1 { font-size: clamp(1.6rem, 1.2rem + 2.2vw, 2.4rem); }
  .layout-table { width: 98vw; }
  #Terminal { min-height: 300px; font-size: 0.92rem; }
}

/* ---------- MISC UTILITIES ---------- */
.hr-neon {
  height: 3px; border: 0; margin: 1rem 0;
  background: linear-gradient(90deg, var(--neon-2), var(--neon-1), var(--neon-3));
  filter: drop-shadow(0 0 10px rgba(123,255,223,0.35));
  border-radius: 2px;
}