/* =====================================================================
   demo.css – schlankes, eigenständiges Stylesheet für Diestelkamp-Demos
   Diestelkamp CI: Orange #ff6d00 (primär) → Lila #7b2cbf (sekundär)
   Dark-Mode-Ästhetik, responsive. Kein Framework, keine CDN.
   ===================================================================== */

:root {
  --bg:            #0a0a0f;
  --bg-soft:       #0e0e17;
  --card:          #14141f;
  --card-hover:    #1a1a29;
  --border:        rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text:          #e8e9ee;
  --text-muted:    #9ba0af;
  --text-dim:      #6b7180;

  --accent:        #ff6d00;
  --accent-2:      #9d4edd;
  --accent-3:      #7b2cbf;
  --brand-purple:  #7b2cbf;

  --gradient:      linear-gradient(135deg, #ff6d00 0%, #7b2cbf 100%);

  --green: #4ade80;
  --amber: #fbbf24;
  --red:   #f87171;
  --blue:  #60a5fa;

  --radius:    16px;
  --radius-sm: 11px;
  --shadow-card:
    inset 0 1px 0 rgba(255,255,255,.045),
    0 1px 2px rgba(0,0,0,.45),
    0 8px 24px rgba(0,0,0,.28);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Ambient glows (Brand-Atmosphäre) --------------------------------- */
.demo-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .16;
  pointer-events: none;
  z-index: 0;
}
.demo-glow--a { width: 520px; height: 520px; background: var(--accent);      top: -180px; right: -120px; }
.demo-glow--b { width: 480px; height: 480px; background: var(--brand-purple); bottom: -220px; left: -140px; }

/* Topbar ----------------------------------------------------------- */
.demo-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10,10,15,.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.demo-topbar__inner {
  max-width: 82rem;
  margin: 0 auto;
  padding: .8rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.demo-back {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: .92rem;
  padding: .45rem .7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: border-color .2s var(--ease-out), background .2s var(--ease-out);
}
.demo-back svg { width: 18px; height: 18px; }
.demo-back:hover { border-color: var(--border-strong); background: rgba(255,255,255,.03); }

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: #ffd9b8;
  padding: .4rem .8rem;
  border-radius: 999px;
  background: rgba(255,109,0,.10);
  border: 1px solid rgba(255,109,0,.32);
  white-space: nowrap;
}
.demo-badge__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(255,109,0,.6);
  animation: demoPulse 2s infinite;
}
@keyframes demoPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,109,0,.55); }
  70%  { box-shadow: 0 0 0 7px rgba(255,109,0,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,109,0,0); }
}

/* Layout shell ----------------------------------------------------- */
.demo-main { position: relative; z-index: 1; }
.demo-shell {
  max-width: 82rem;
  margin: 0 auto;
  padding: 2.2rem 1.25rem 1rem;
}
.demo-lead { margin-bottom: 1.8rem; }
.demo-title {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 0 0 .35rem;
  line-height: 1.1;
}
.demo-subtitle {
  color: var(--text-muted);
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
}

/* Text gradient helper */
.grad { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Dashboard KPI tiles --------------------------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.kpi {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.kpi::before {
  content: "";
  position: absolute; inset: 0 auto 0 0;
  width: 3px;
  background: var(--kpi-color, var(--accent));
  opacity: .9;
}
.kpi__label {
  font-size: .78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.kpi__num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-top: .5rem;
  letter-spacing: -.02em;
}
.kpi__sub { font-size: .78rem; color: var(--text-dim); margin-top: .3rem; }

/* Toolbar (Filter / count) ---------------------------------------- */
.demo-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1rem;
}
.demo-toolbar h2 { font-size: 1.15rem; font-weight: 700; margin: 0; }
.filter-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.filter-chip {
  font: inherit;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .35rem .8rem;
  cursor: pointer;
  transition: all .18s var(--ease-out);
}
.filter-chip:hover { color: var(--text); border-color: var(--border-strong); }
.filter-chip.is-active {
  color: #fff;
  background: rgba(255,109,0,.14);
  border-color: rgba(255,109,0,.45);
}

/* Lead list (cards) ----------------------------------------------- */
.lead-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}
.lead-card {
  text-align: left;
  font: inherit;
  color: inherit;
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: transform .2s var(--ease-out), border-color .2s var(--ease-out), background .2s var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.lead-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--card-hover);
}
.lead-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
}
.lead-card__firma { font-weight: 700; font-size: 1.02rem; letter-spacing: -.01em; }
.lead-card__name  { font-size: .84rem; color: var(--text-muted); margin-top: .1rem; }
.lead-card__msg {
  font-size: .86rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.lead-card__meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
  margin-top: .2rem;
}

/* Badges ----------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .74rem;
  font-weight: 700;
  padding: .26rem .62rem;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge svg { width: 13px; height: 13px; }

/* Status badges */
.st-neu            { color: #cbd5e1; background: rgba(148,163,184,.12); border-color: rgba(148,163,184,.3); }
.st-qualifiziert   { color: var(--blue);  background: rgba(96,165,250,.12); border-color: rgba(96,165,250,.32); }
.st-in_bearbeitung { color: var(--amber); background: rgba(251,191,36,.12); border-color: rgba(251,191,36,.32); }
.st-gewonnen       { color: var(--green); background: rgba(74,222,128,.12); border-color: rgba(74,222,128,.32); }
.st-verloren       { color: var(--red);   background: rgba(248,113,113,.12); border-color: rgba(248,113,113,.3); }

/* Source badge (neutral) */
.badge-source {
  color: var(--text-dim);
  background: rgba(255,255,255,.03);
  border-color: var(--border);
  font-weight: 600;
}

/* Score badge */
.score-badge { color: #fff; }
.score-hot   { background: rgba(255,109,0,.16);  border-color: rgba(255,109,0,.5);  color: #ffcba4; }
.score-warm  { background: rgba(157,78,221,.16); border-color: rgba(157,78,221,.5); color: #d9b8ff; }
.score-cold  { background: rgba(96,165,250,.14); border-color: rgba(96,165,250,.4); color: #bcd7ff; }
.score-badge .score-badge__num { font-weight: 800; }

.score-empty {
  font-size: .74rem; color: var(--text-dim);
  border: 1px dashed var(--border-strong);
  padding: .24rem .6rem; border-radius: 999px;
}

/* Buttons ---------------------------------------------------------- */
.btn {
  font: inherit;
  font-weight: 600;
  font-size: .9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .65rem 1.1rem;
  border-radius: 11px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .15s var(--ease-out), filter .2s var(--ease-out), border-color .2s var(--ease-out), background .2s var(--ease-out);
}
.btn svg { width: 17px; height: 17px; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 6px 20px -6px rgba(255,109,0,.5);
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn-ghost {
  background: rgba(255,255,255,.03);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover:not(:disabled) { background: rgba(255,255,255,.06); }
.btn--sm { padding: .45rem .8rem; font-size: .82rem; }
.btn--block { width: 100%; }

/* Modal / Detail --------------------------------------------------- */
.demo-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(5,5,9,.72);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 2.5rem 1.25rem;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease-out);
}
.demo-overlay.is-open { opacity: 1; pointer-events: auto; }
.demo-modal {
  width: min(640px, 100%);
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.7);
  transform: translateY(14px) scale(.98);
  transition: transform .26s var(--ease-out);
}
.demo-overlay.is-open .demo-modal { transform: translateY(0) scale(1); }
.demo-modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
}
.demo-modal__title { font-size: 1.25rem; font-weight: 800; margin: 0; letter-spacing: -.01em; }
.demo-modal__id { font-size: .8rem; color: var(--text-dim); margin-top: .15rem; }
.modal-close {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 9px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  display: grid; place-items: center;
  transition: all .18s var(--ease-out);
}
.modal-close:hover { color: #fff; border-color: var(--border-strong); }
.modal-close svg { width: 18px; height: 18px; }
.demo-modal__body { padding: 1.25rem 1.5rem 1.6rem; }

/* Detail fields */
.detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .8rem 1.2rem;
  margin-bottom: 1.25rem;
}
.detail-field .dl { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-dim); font-weight: 600; }
.detail-field .dv { font-size: .92rem; margin-top: .15rem; word-break: break-word; }
.detail-field a.dv { color: var(--accent-2); text-decoration: none; }
.detail-field a.dv:hover { text-decoration: underline; }

.detail-message {
  background: rgba(255,255,255,.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  font-size: .95rem;
  color: #d7dae2;
  margin-bottom: 1.4rem;
  white-space: pre-wrap;
}

/* Section label */
.detail-label {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 700;
  color: var(--text-dim);
  margin: 0 0 .6rem;
}

/* AI panel --------------------------------------------------------- */
.ai-panel {
  border: 1px solid rgba(157,78,221,.28);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(255,109,0,.06), transparent 55%),
    radial-gradient(120% 140% at 100% 100%, rgba(157,78,221,.08), transparent 55%),
    var(--card);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
}
.ai-panel__head {
  display: flex; align-items: center; gap: .55rem;
  margin-bottom: .9rem;
}
.ai-panel__head .ai-ico {
  width: 30px; height: 30px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--gradient);
  color: #fff;
}
.ai-panel__head .ai-ico svg { width: 17px; height: 17px; }
.ai-panel__title { font-weight: 700; font-size: .98rem; }
.ai-panel__sub   { font-size: .76rem; color: var(--text-dim); }

.ai-empty { text-align: center; padding: .8rem 0 .2rem; }
.ai-empty p { color: var(--text-muted); font-size: .88rem; margin: 0 0 1rem; }

/* Score visual */
.ai-scoreline {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: .9rem;
}
.ai-score-num {
  font-size: 2.4rem; font-weight: 800; line-height: 1;
  letter-spacing: -.03em;
}
.ai-score-num small { font-size: 1rem; color: var(--text-dim); font-weight: 600; }
.ai-meter { flex: 1; }
.ai-meter__track {
  height: 9px; border-radius: 999px;
  background: rgba(255,255,255,.07);
  overflow: hidden;
}
.ai-meter__fill {
  height: 100%; border-radius: 999px;
  background: var(--gradient);
  width: 0;
  transition: width .7s var(--ease-out);
}
.ai-meter__labels {
  display: flex; justify-content: space-between;
  font-size: .72rem; color: var(--text-dim);
  margin-top: .35rem;
}

.ai-rationale {
  font-size: .9rem; color: #d7dae2;
  background: rgba(255,255,255,.03);
  border-left: 3px solid var(--accent-2);
  padding: .7rem .9rem;
  border-radius: 0 8px 8px 0;
  margin: .3rem 0 .9rem;
}
.ai-facts { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.ai-fact {
  font-size: .74rem; color: var(--text-muted);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .3rem .6rem;
}
.ai-fact b { color: var(--text); font-weight: 700; }

/* Human-in-the-loop hint */
.hitl {
  display: flex; align-items: flex-start; gap: .5rem;
  font-size: .8rem; color: #ffd9b8;
  background: rgba(255,109,0,.07);
  border: 1px solid rgba(255,109,0,.22);
  border-radius: 10px;
  padding: .6rem .8rem;
  margin-top: .9rem;
}
.hitl svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 1px; }

/* Status control */
.status-control { margin-top: 1.5rem; }
.status-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .55rem; }
.status-opt {
  font: inherit; font-size: .8rem; font-weight: 600;
  padding: .4rem .75rem; border-radius: 9px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text-muted);
  cursor: pointer;
  transition: all .16s var(--ease-out);
}
.status-opt:hover { color: var(--text); border-color: var(--border-strong); }
.status-opt.is-current {
  color: #fff;
  border-color: var(--accent);
  background: rgba(255,109,0,.14);
}

/* Manual score override */
.override { margin-top: 1.1rem; }
.override__row { display: flex; align-items: center; gap: .75rem; margin-top: .5rem; }
.override input[type=range] { flex: 1; accent-color: var(--accent); }
.override__val { font-weight: 700; min-width: 3ch; text-align: right; }
.override__cls { display: flex; gap: .4rem; margin-top: .6rem; }
.override__cls .status-opt { flex: 1; text-align: center; }

/* Footer ----------------------------------------------------------- */
.demo-footer {
  max-width: 82rem;
  margin: 2.5rem auto 0;
  padding: 1.6rem 1.25rem 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: .82rem;
}
.demo-footer p { margin: 0 0 .6rem; max-width: 80ch; }
.demo-footer strong { color: var(--text-muted); }
.demo-footer__brand { color: var(--text-dim); opacity: .8; }

/* Toast ------------------------------------------------------------ */
.toast {
  position: fixed;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--card);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: .7rem 1.1rem;
  border-radius: 11px;
  font-size: .88rem;
  font-weight: 600;
  box-shadow: 0 12px 34px rgba(0,0,0,.5);
  opacity: 0;
  pointer-events: none;
  transition: all .28s var(--ease-out);
  z-index: 80;
  display: flex; align-items: center; gap: .5rem;
}
.toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast svg { width: 17px; height: 17px; color: var(--green); }

/* Loading spinner */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-dim);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}

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

/* Responsive ------------------------------------------------------- */
@media (max-width: 640px) {
  .demo-shell { padding: 1.5rem 1rem .5rem; }
  .kpi__num { font-size: 1.7rem; }
  .lead-grid { grid-template-columns: 1fr; }
  .demo-modal__body { padding: 1rem 1.1rem 1.3rem; }
  .demo-modal__head { padding: 1.1rem 1.1rem .9rem; }
  .demo-badge { font-size: .72rem; padding: .35rem .6rem; }
  .ai-score-num { font-size: 2rem; }
}