/* Design-Template "modern-futuristisch" – SmartApp
   Dark-Theme mit Neon-Akzenten (Cyan/Violett), Glassmorphism-Panels, dezentem Glow.
   Nur die Werte in :root ändern – die Klassen darunter bleiben. */
:root {
  /* ---- Pflicht-Farben (WCAG AA geprüft, siehe design.md) ---- */
  --color-primary: #22D3EE;          /* Neon-Cyan – Hauptaktionen, Auswahl, Fokus */
  --color-primary-hover: #67E8F9;
  --color-on-primary: #03141C;       /* Text auf Cyan (Kontrast ≈ 10:1) */
  --color-secondary: #A78BFA;        /* Violett – sekundäre Aktionen, Räume, Links */
  --color-accent: #C4A1FF;           /* helles Neon-Violett – Highlights, Glow */
  --color-accent-soft: #1D1A3D;      /* dunkle Violett-Tönung für Hover-/Auswahlflächen */
  --color-bg: #080C18;               /* Tiefes Nachtblau */
  --color-surface: #111A2E;          /* Panels (unter der Glasschicht) */
  --color-surface-raised: #182340;   /* Eingabefelder, Hover-Flächen */
  --color-text: #E8EEF9;
  --color-text-muted: #9BA9C4;
  --color-border: #5E73AD;           /* ≥ 3:1 gegen Hintergrund (UI-Komponenten) */
  --color-border-soft: #26334F;      /* dekorative Trenner */
  --color-success: #34D399;
  --color-warning: #FBBF24;
  --color-error: #FF6B88;

  /* ---- Schrift ---- */
  --font-heading: "Space Grotesk", Sora, "Segoe UI", system-ui, Roboto, sans-serif;
  --font-text: Inter, "Segoe UI", system-ui, Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", ui-monospace, Consolas, monospace;
  --fs-xs: 0.75rem; --fs-sm: 0.875rem; --fs-base: 1rem; --fs-lg: 1.25rem;
  --fs-xl: 1.75rem; --fs-2xl: 2.25rem;
  --fw-normal: 400; --fw-medium: 500; --fw-bold: 700;

  /* ---- Abstände / Radien ---- */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-6: 24px; --space-8: 32px; --space-12: 48px;
  --radius-sm: 6px; --radius: 10px; --radius-lg: 16px; --radius-pill: 999px;

  /* ---- Glas, Glow, Schatten ---- */
  --glass-bg: rgba(17, 26, 46, .68);
  --glass-border: rgba(130, 160, 220, .22);
  --glass-blur: blur(16px) saturate(140%);
  --glow-primary: 0 0 0 1px rgba(34, 211, 238, .45), 0 0 18px rgba(34, 211, 238, .35);
  --glow-secondary: 0 0 0 1px rgba(167, 139, 250, .45), 0 0 18px rgba(167, 139, 250, .30);
  --glow-error: 0 0 0 1px rgba(255, 107, 136, .6), 0 0 22px rgba(255, 107, 136, .5);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 8px 24px rgba(0, 0, 0, .45);
  --shadow-lg: 0 20px 56px rgba(0, 0, 0, .6);
  --focus-ring: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-primary), 0 0 14px rgba(34, 211, 238, .5);

  /* ---- Übergänge / Animation ---- */
  --transition: 200ms cubic-bezier(.2, .7, .2, 1);
  --transition-slow: 400ms cubic-bezier(.2, .7, .2, 1);
  --pulse-duration: 1.6s;

  /* ---- Hintergrund ---- */
  --bg-page:
    radial-gradient(900px 520px at 8% -8%, rgba(34, 211, 238, .13), transparent 70%),
    radial-gradient(900px 560px at 100% 0%, rgba(167, 139, 250, .16), transparent 70%),
    linear-gradient(180deg, #0A1022 0%, #080C18 60%);
  /* Raster-Muster für den Zeichenbereich (Canvas) */
  --bg-grid:
    linear-gradient(rgba(130, 160, 220, .09) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, rgba(130, 160, 220, .09) 1px, transparent 1px) 0 0 / 24px 24px;
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font-text); font-size: var(--fs-base); line-height: 1.55;
  color: var(--color-text); min-height: 100vh;
  background-color: var(--color-bg); background-image: var(--bg-page);
  background-repeat: no-repeat; background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.2; margin: 0 0 var(--space-3); letter-spacing: -0.01em; }
h1 { font-size: var(--fs-2xl); font-weight: var(--fw-bold); }
h2 { font-size: var(--fs-xl); font-weight: var(--fw-bold); }
h3 { font-size: var(--fs-lg); font-weight: var(--fw-medium); }
a { color: var(--color-secondary); text-underline-offset: 3px; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
a:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }
code, kbd, .mono { font-family: var(--font-mono); font-size: .92em; }
::selection { background: rgba(34, 211, 238, .35); color: var(--color-text); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 10px 18px; border-radius: var(--radius); border: 1px solid transparent;
  font: inherit; font-weight: var(--fw-medium); line-height: 1.2; cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition),
              box-shadow var(--transition), transform var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover:not(:disabled) { background: var(--color-primary-hover); box-shadow: var(--glow-primary); }
.btn-primary:focus-visible { box-shadow: var(--focus-ring); }
.btn-secondary { background: transparent; color: var(--color-secondary); border-color: var(--color-secondary); }
.btn-secondary:hover:not(:disabled) { color: var(--color-accent); border-color: var(--color-accent); background: var(--color-accent-soft); box-shadow: var(--glow-secondary); }
.btn-ghost { background: transparent; color: var(--color-text); }
.btn-ghost:hover:not(:disabled) { background: var(--color-surface-raised); color: var(--color-primary); }

/* ---------- Karte (Glas-Panel) ---------- */
.card {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover { border-color: rgba(34, 211, 238, .4); }

/* ---------- Eingabefeld ---------- */
.input {
  width: 100%; padding: 10px 12px; font: inherit; color: var(--color-text);
  background: var(--color-surface-raised); border: 1px solid var(--color-border); border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input::placeholder { color: var(--color-text-muted); opacity: 1; }
.input:hover { border-color: var(--color-secondary); }
.input:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--focus-ring); }
.input:disabled { opacity: .5; cursor: not-allowed; }
.input[aria-invalid="true"] { border-color: var(--color-error); }
.input[aria-invalid="true"]:focus { box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-error); }

/* ---------- Badge ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px;
  font-size: var(--fs-xs); font-weight: var(--fw-medium); letter-spacing: .02em;
  border-radius: var(--radius-pill); border: 1px solid var(--color-border);
  background: var(--color-surface-raised); color: var(--color-text);
}
.badge-success { color: var(--color-success); border-color: var(--color-success); background: rgba(52, 211, 153, .10); }
.badge-warning { color: var(--color-warning); border-color: var(--color-warning); background: rgba(251, 191, 36, .10); }
.badge-error   { color: var(--color-error);   border-color: var(--color-error);   background: rgba(255, 107, 136, .12); }
.badge-primary { color: var(--color-primary); border-color: var(--color-primary); background: rgba(34, 211, 238, .10); }

/* ---------- Alert ---------- */
.alert {
  display: flex; gap: var(--space-3); align-items: flex-start; padding: var(--space-3) var(--space-4);
  border-radius: var(--radius); border: 1px solid var(--color-border); border-left-width: 4px;
  background: var(--glass-bg); color: var(--color-text);
}
.alert-success { border-color: var(--color-success); }
.alert-warning { border-color: var(--color-warning); }
.alert-error   { border-color: var(--color-error); box-shadow: var(--glow-error); }

/* ---------- Hilfsklassen ---------- */
.glass { background: var(--glass-bg); border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); }
.grid-bg { background-color: var(--color-bg); background-image: var(--bg-grid); background-repeat: repeat; }
.glow-text { text-shadow: 0 0 14px rgba(34, 211, 238, .55); }
@keyframes alarm-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 136, .65); }
  50%      { box-shadow: 0 0 0 12px rgba(255, 107, 136, 0); }
}
.pulse-alarm { animation: alarm-pulse var(--pulse-duration) ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 1ms !important; }
}

/* ---------- Lade-Zustände ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { 0% { background-position: -200px 0; } 100% { background-position: 200px 0; } }
.spinner { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--color-border-soft); border-top-color: var(--color-primary); animation: spin .8s linear infinite; display: inline-block; }
.skeleton { display: block; height: 14px; border-radius: var(--radius-sm); background: linear-gradient(90deg, var(--color-surface-raised) 0, var(--color-border-soft) 100px, var(--color-surface-raised) 200px) 0 0 / 400px 100%; animation: shimmer 1.4s linear infinite; }