/* ============================================================
   HUD.CSS — Gemeinsames UI-Stylesheet
   Data-Brutalism / Retrofuturismus · Wojtek
   Für: PARTIKELRASTER · REISSBRETT · ROUTENMODUL · PARAMETRIK
   ------------------------------------------------------------
   Dunkles Standard-Theme + optionale Hell-Variante.
   Hell umschalten:  <html data-theme="light">  oder  class="theme-light"
   Akzentfarbe pro Tool überschreibbar via --accent / --accent-2.
   ============================================================ */

/* ---------- 1. Design-Tokens ---------- */
/* === HUD:ROOT START – vom HUD-Export ersetzbar === */
:root {
  /* Flächen (dunkel) */
  --bg:        #ffffff;
  --panel:     #fafafa;
  --panel-2:   #12151a;
  --line:      #969696;
  --line-soft: #1a1f24;

  /* Text */
  --text:      #5c5c5c;
  --text-dim:  #6b7683;
  --text-mut:  #4d5761;

  /* Akzente — pro Tool via --accent überschreibbar */
  --accent:      #f5a623;   /* amber  — Primärakzent, Regler, Titel */
  --accent-dim:  #8a6420;   /* gedämpftes Amber — Eckmarken, Rahmen */
  --accent-2:    #519aa4;   /* cyan   — Sekundärakzent, Messwerte */
  --accent-2-dim:#1d6a6a;
  --danger:      #d84f42;   /* Fehler / kritische Aktion */

  /* Typografie */
  --mono: "SF Mono", "JetBrains Mono", "IBM Plex Mono", "Cascadia Code", Menlo, Consolas, monospace;

  /* Maße */
  --gap:      10px;
  --pad:      14px;
  --radius:   0px;          /* data-brutalism: keine Rundungen */
  --track:    2px;          /* Slider-Schienenhöhe */
  --thumb:    14px;         /* Slider-Griffgröße */

  /* Typo-Skala */
  --fs-title:  13px;
  --fs-read:   10px;
  --fs-label:  10px;
  --fs-btn:    10px;
  --fs-body:   11px;
  --track-let: .14em;       /* Standard-Laufweite (letter-spacing) */
  --track-wide:.20em;       /* Titel / Eyebrows */

  /* Kachel-Design (über das HUD einstellbar; Sync überschreibt zur Laufzeit) */
  --card-fill:      #fffbf6;   /* Kachelfarbe */
  --card-alpha:     100;        /* Transparenz in % */
  --card-outline-w: 0px;     /* Kachel-Outline-Stärke */
  --card-outline-c: #969696;   /* Kachel-Outline-Farbe */
  --card-radius:    20px;      /* Kantenrundung */
  --field-radius:   14px;       /* Rundung der Popup-Buttons/Felder */
  --card-text:      #1b1e22;   /* Textfarbe */
  --card-label:     #a4681f;   /* Überschriften */
  --card-value:     #ffffff;   /* Werte */
  --card-label-fs:  18px;    /* Überschriften-Größe */
  --panel-fs:       11px;      /* Schriftgröße Kachel-Text */
  --ctrl-outline-w: 1px;       /* Regler/Button-Outline-Stärke */
  --ctrl-outline-c: #f5a623;   /* Regler/Button-Outline-Farbe */
  --btn-fs:         12px;      /* Button-Schriftgröße */
}
/* === HUD:ROOT END === */

/* ---------- 2. Hell-Variante ---------- */
:root[data-theme="light"],
:root.theme-light {
  --bg:        #e8eaec;
  --panel:     #ffffff;
  --panel-2:   #f4f5f7;
  --line:      #d4d7db;
  --line-soft: #e2e4e7;

  --text:      #191a1e;
  --text-dim:  #6b6f76;
  --text-mut:  #9a9ea6;

  --accent:      #d33a2c;   /* im Hellmodus kräftiges Rot (REISSBRETT-Herkunft) */
  --accent-dim:  #b23020;
  --accent-2:    #1c7a72;
  --accent-2-dim:#3aa89e;
  --danger:      #c02a1c;
}

.hud-stats b, .stats b, #readout b { font-variant-numeric: tabular-nums; }

/* ---------- 3. Reset / Grundlagen ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Mono', ui-monospace, Menlo, monospace; font-weight: 400;
  font-size: var(--fs-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-user-select: none; user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* Für Vollflächen-Canvas-Tools (3D/2D-Viewport) */
body.hud-fixed { overflow: hidden; touch-action: none; }

canvas { display: block; }

/* ---------- 4. Kopfzeile / HUD-Header ---------- */
.hud-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 56px; box-sizing: border-box;
  padding: 8px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
/* Name + Unterzeile als linke Gruppe (Basislinie ausgerichtet) */
.head-l { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.subtitle { font-size: 11px; font-weight: 400; letter-spacing: .04em; color: var(--text-dim); }
/* schwebend über einem Canvas */
.hud-header.floating {
  position: fixed; inset: 0 0 auto 0; z-index: 10;
  pointer-events: none;
}
.hud-header.floating .hud-readout { pointer-events: auto; }

.hud-title {
  font-family: 'Rajdhani', var(--mono);
  font-weight: 600; font-size: 23px;
  letter-spacing: .10em;
  color: var(--text);
  white-space: nowrap;
}
.hud-title span { color: var(--accent); }

.hud-readout {
  font-size: var(--fs-read); letter-spacing: .12em;
  color: var(--text-dim); text-align: right; line-height: 1.7;
}
.hud-readout b { color: var(--accent-2); font-weight: 400; }

/* ---------- 5. Eckmarken ---------- */
.hud-mark {
  position: fixed; width: 14px; height: 14px;
  border: 0 solid var(--accent-dim);
  z-index: 9; pointer-events: none;
}
.hud-mark.tl { top: 54px; left: 12px;   border-top-width: 1px; border-left-width: 1px; }
.hud-mark.tr { top: 54px; right: 12px;  border-top-width: 1px; border-right-width: 1px; }
.hud-mark.bl { bottom: 12px; left: 12px;  border-bottom-width: 1px; border-left-width: 1px; }
.hud-mark.br { bottom: 12px; right: 12px; border-bottom-width: 1px; border-right-width: 1px; }

/* ---------- 6. Panels & Sektionen ---------- */
.hud-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: var(--pad);
}
/* seitliche Steuerspalte (PARTIKELRASTER-Stil) */
.hud-panel.side {
  display: flex; flex-direction: column; gap: var(--gap);
  overflow-y: auto;
}
/* untere Steuerleiste, auto-fit Raster (PARAMETRIK/ROUTENMODUL-Stil) */
.hud-panel.dock {
  position: fixed; inset: auto 0 0 0; z-index: 10;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px 22px;
  border: 0; border-top: 1px solid var(--line);
}

/* umrahmte Gruppe mit schwebender Beschriftung */
.hud-sect {
  position: relative;
  border: 1px solid var(--line);
  padding: 12px 12px 13px;
}
.hud-sect > .lg {
  position: absolute; top: -7px; left: 8px;
  padding: 0 6px; background: var(--panel);
  font-size: var(--fs-label); letter-spacing: .16em;
  color: var(--accent-dim);
}

/* ---------- 7. Regler (Slider) ---------- */
.hud-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; margin-top: 10px;
}
.hud-row:first-of-type { margin-top: 6px; }
.hud-row label { color: var(--text-dim); letter-spacing: .06em; flex: 0 0 auto; }
.hud-row output, .hud-row .val { color: var(--accent-2); min-width: 44px; text-align: right; flex: 0 0 auto; }

/* Label-über-Slider-Variante (Dock-Layout) */
.hud-ctrl label {
  display: flex; justify-content: space-between;
  font-size: var(--fs-label); letter-spacing: var(--track-let);
  color: var(--text-dim); margin-bottom: 7px;
}
.hud-ctrl label output { color: var(--accent); }

input[type=range] {
  -webkit-appearance: none; appearance: none;
  width: 100%; flex: 1 1 0; min-width: 0;
  height: var(--track); background: var(--line);
  outline: none; cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: var(--thumb); height: var(--thumb); border-radius: var(--radius);
  background: var(--bg); border: 1px solid var(--accent); cursor: pointer;
}
input[type=range]::-moz-range-thumb {
  width: var(--thumb); height: var(--thumb); border-radius: var(--radius);
  background: var(--bg); border: 1px solid var(--accent); cursor: pointer;
}

/* ---------- 8. Buttons ---------- */
.hud-btn, button.hud {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  font-family: 'IBM Plex Mono', ui-monospace, Menlo, monospace; font-size: var(--btn-fs, 11px);
  letter-spacing: var(--track-let);
  padding: 8px 6px; cursor: pointer;
  flex: 1 1 0; min-width: 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: border-color .12s, color .12s, background .12s;
}
.hud-btn:hover, button.hud:hover { border-color: var(--accent); color: var(--accent); }
.hud-btn:active, button.hud:active { background: color-mix(in srgb, var(--accent) 12%, transparent); }

/* aktiver Zustand (Toggle an) */
.hud-btn.active, button.hud.active { border-color: var(--accent); color: var(--accent); }

/* Sekundärakzent (Export etc.) */
.hud-btn.accent, button.hud.accent { border-color: var(--accent-2-dim); color: var(--accent-2); }
.hud-btn.accent:hover, button.hud.accent:hover { border-color: var(--accent-2); }

/* Primär gefüllt (Hauptaktion) */
.hud-btn.primary, button.hud.primary {
  background: var(--accent); border-color: var(--accent);
  color: var(--bg); font-weight: 600;
}
.hud-btn.primary:hover, button.hud.primary:hover {
  background: color-mix(in srgb, var(--accent) 85%, #fff);
}

/* kritische Aktion */
.hud-btn.danger, button.hud.danger { border-color: var(--danger); color: var(--danger); }

/* Button-Zeile */
.hud-btnrow { display: flex; gap: 8px; }
.hud-btnrow + .hud-btnrow { margin-top: 8px; }

/* ---------- 9. Chips (Modus-Auswahl) ---------- */
.hud-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.hud-chip {
  background: transparent; border: 1px solid var(--line);
  color: var(--text-dim); font-family: var(--mono);
  font-size: var(--fs-btn); letter-spacing: .1em;
  padding: 6px 10px; cursor: pointer;
  transition: border-color .12s, color .12s;
}
.hud-chip:hover { border-color: var(--accent); color: var(--text); }
.hud-chip.active { border-color: var(--accent); color: var(--accent); }

/* ---------- 10. Farbwähler-Feld ---------- */
input[type=color] {
  flex: 1 1 0; min-width: 0; height: 24px; padding: 0;
  background: transparent; border: 1px solid var(--line);
  cursor: pointer;
}

/* ---------- 11. Checkbox ---------- */
.hud-check { display: flex; align-items: center; gap: 8px; cursor: pointer; color: var(--text-dim); }
.hud-check input { appearance: none; -webkit-appearance: none;
  width: 14px; height: 14px; border: 1px solid var(--line); background: var(--bg); cursor: pointer; }
.hud-check input:checked { background: var(--accent); border-color: var(--accent); }

/* ---------- 12. Hinweistext ---------- */
.hud-note {
  font-size: var(--fs-label); line-height: 1.7;
  letter-spacing: .04em; color: var(--text-dim);
}
.hud-note.error { color: var(--danger); }

/* zentraler, ausblendender Bedien-Hinweis über Canvas */
.hud-hint {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  font-size: var(--fs-label); letter-spacing: .18em;
  color: var(--text-mut); z-index: 9; pointer-events: none;
  animation: hud-fade 1s ease 5s forwards;
}
@keyframes hud-fade { to { opacity: 0; } }

/* ---------- 13. Toast ---------- */
.hud-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--panel); border: 1px solid var(--accent);
  color: var(--text); font-size: var(--fs-label); letter-spacing: .1em;
  padding: 10px 16px; z-index: 40; opacity: 0;
  transition: opacity .2s, transform .2s;
}
.hud-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 14. Statuszeile (Kopf-Messwerte inline) ---------- */
.hud-stats { display: flex; gap: 18px; color: var(--text-dim); letter-spacing: .08em; }
.hud-stats b { color: var(--accent-2); font-weight: 400; }

/* ---------- 15. Scrollbar (dezent) ---------- */
.hud-panel::-webkit-scrollbar { width: 8px; }
.hud-panel::-webkit-scrollbar-track { background: transparent; }
.hud-panel::-webkit-scrollbar-thumb { background: var(--line); }
.hud-panel::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ---------- 16. Fokus-Sichtbarkeit (A11y) ---------- */
:where(button, input, [tabindex]):focus-visible {
  outline: 1px solid var(--accent-2); outline-offset: 2px;
}

/* ---------- 17. Reduzierte Bewegung ---------- */
@media (prefers-reduced-motion: reduce) {
  .hud-hint { animation: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* ---------- 18. Mobile: Seitenpanel einklappbar ---------- */
@media (max-width: 760px) {
  .hud-panel.side {
    position: fixed; inset: 0 0 0 auto; z-index: 30; width: 250px;
    transform: translateX(100%); transition: transform .2s ease;
    box-shadow: -8px 0 24px rgba(0,0,0,.5);
  }
  .hud-panel.side.open { transform: translateX(0); }
}
