/* Zusammenfasser — eigenes Design: Schiefergrau + Akzentblau, sachlich */
:root {
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;
  --accent:    #2563eb;
  --accent-600:#1d4ed8;
  --accent-soft:#dbeafe;
  --ok:        #0f766e;
  --warn:      #b45309;

  --bg: var(--slate-100);
  --surface: #ffffff;
  --surface-2: var(--slate-50);
  --text: var(--slate-900);
  --text-soft: var(--slate-600);
  --text-faint: var(--slate-500);
  --border: var(--slate-200);
  --border-strong: var(--slate-300);
  --shadow: 0 1px 2px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.06);
  --radius: 14px;
  --radius-sm: 9px;
  --header-bg: var(--slate-600);
  --header-text: #ffffff;
}

[data-theme="dark"] {
  --bg: #0b1220;
  --surface: #121a2b;
  --surface-2: #0f1626;
  --text: #e8edf6;
  --text-soft: #b6c2d6;
  --text-faint: #8a9ab4;
  --border: #243149;
  --border-strong: #324465;
  --accent: #60a5fa;
  --accent-600: #3b82f6;
  --accent-soft: #1e2f4d;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.4);
  --header-bg: #1b2740;
  --header-text: #e8edf6;
  --ok: #2dd4bf;
  --warn: #fbbf24;
}

* { box-sizing: border-box; }

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* Header */
.app-header {
  background: var(--header-bg);
  color: var(--header-text);
  padding: calc(env(safe-area-inset-top) + 14px) 16px 14px;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.14);
  border-radius: 11px;
  color: #fff;
  flex: 0 0 auto;
}
.brand-text { min-width: 0; }
.brand-text h1 {
  font-size: 1.18rem;
  margin: 0;
  font-weight: 700;
  letter-spacing: -.01em;
}
.brand-sub {
  margin: 1px 0 0;
  font-size: .76rem;
  opacity: .85;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions { display: flex; gap: 8px; flex: 0 0 auto; }
.icon-btn {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.12);
  color: var(--header-text);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 10px;
  cursor: pointer;
  transition: background .15s ease, transform .1s ease;
}
.icon-btn:hover { background: rgba(255,255,255,.22); }
.icon-btn:active { transform: scale(.95); }

.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* Main */
.app-main {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 16px;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.info-banner {
  background: var(--surface);
  border-left: 4px solid var(--accent);
}
.info-banner p {
  margin: 10px 0 0;
  font-size: .9rem;
  color: var(--text-soft);
}
.badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--accent-600);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 999px;
}

.field-label {
  display: block;
  font-weight: 600;
  font-size: .92rem;
  margin-bottom: 8px;
}

.text-area {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  font-size: .98rem;
  line-height: 1.55;
  font-family: inherit;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.text-area:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.mini-stats {
  margin-top: 8px;
  font-size: .82rem;
  color: var(--text-faint);
}

/* Controls */
.controls {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.control-group { display: flex; flex-direction: column; gap: 10px; }
.control-title {
  font-size: .86rem;
  font-weight: 600;
  color: var(--text-soft);
}
.control-title strong { color: var(--accent-600); }

.seg {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
  flex-wrap: wrap;
}
.seg-btn {
  flex: 1 1 auto;
  min-width: 64px;
  border: none;
  background: transparent;
  color: var(--text-soft);
  font-size: .88rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 7px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.is-active {
  background: var(--accent);
  color: #fff;
}
[data-theme="dark"] .seg-btn.is-active { color: #08111f; }

.slider-row { display: block; }
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--border-strong);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--surface);
  box-shadow: 0 1px 4px rgba(15,23,42,.3);
}
input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--surface);
  box-shadow: 0 1px 4px rgba(15,23,42,.3);
}
input[type="range"]:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Actions */
.actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.btn {
  font-family: inherit;
  font-size: .94rem;
  font-weight: 600;
  padding: 11px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, transform .1s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  flex: 1 1 auto;
  min-width: 150px;
}
.btn-primary:hover { background: var(--accent-600); }
[data-theme="dark"] .btn-primary { color: #08111f; }
.btn-ghost {
  background: transparent;
  color: var(--text-soft);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-soft {
  background: var(--accent-soft);
  color: var(--accent-600);
}
.btn-soft:hover { background: var(--accent); color: #fff; }
[data-theme="dark"] .btn-soft:hover { color: #08111f; }

.btn:focus-visible, .icon-btn:focus-visible, .seg-btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* Result */
.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.result-head h2 { margin: 0; font-size: 1.1rem; }
.result-tools { display: flex; gap: 8px; }

.stat-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
}
.stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}
.stat-num {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-600);
  line-height: 1.1;
}
.stat-label {
  font-size: .74rem;
  color: var(--text-faint);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.summary-list {
  margin: 16px 0 0;
  padding: 0 0 0 1.4em;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.summary-list li {
  font-size: .98rem;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.summary-list li::marker {
  color: var(--accent);
  font-weight: 700;
}

.full-toggle {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.full-toggle summary {
  cursor: pointer;
  font-weight: 600;
  font-size: .9rem;
  color: var(--text-soft);
}
.full-toggle summary:hover { color: var(--text); }
.summary-flow {
  margin: 10px 0 0;
  font-size: .96rem;
  color: var(--text-soft);
  overflow-wrap: anywhere;
}

.disclaimer {
  margin: 16px 0 0;
  font-size: .8rem;
  color: var(--warn);
  background: color-mix(in srgb, var(--warn) 10%, transparent);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

/* Footer */
.app-footer {
  padding: 18px 16px calc(env(safe-area-inset-bottom) + 18px);
  text-align: center;
}
.app-footer p {
  margin: 0;
  font-size: .78rem;
  color: var(--text-faint);
}

/* Toast */
.toast-host {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 18px);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
  width: min(92vw, 420px);
  pointer-events: none;
}
.toast {
  background: var(--slate-800);
  color: #fff;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: .9rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .2s ease, transform .2s ease;
  text-align: center;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.toast-ok { background: var(--ok); }
.toast.toast-warn { background: var(--warn); }
[data-theme="dark"] .toast { background: #243149; }

.hidden { display: none !important; }

@media (max-width: 420px) {
  .brand-text h1 { font-size: 1.05rem; }
  .actions .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}