/* Pakun AI – Live-Demo (Web-Chat) unter /handwerk/demo/
   Baut auf ../assets/handwerk.css auf (Farben, Schriften, Buttons). Nur Demo-spezifische Bausteine hier. */

.demo { background: var(--night); color: var(--on-night); padding: 2.5rem 0 3.5rem; position: relative; overflow: hidden; }
@media (min-width: 900px) { .demo { padding: 4rem 0 5rem; } }
.demo::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(#ffffff08 1px, transparent 1px), linear-gradient(90deg, #ffffff08 1px, transparent 1px);
  background-size: 48px 48px; mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
}
.demo .wrap { position: relative; }
.demo-intro { max-width: 46rem; margin-bottom: 2rem; }
.demo-intro .eyebrow { color: var(--signal); }
.demo-intro h1 { color: #fff; font-size: clamp(2.1rem, 5.5vw, 3.6rem); max-width: 18ch; }
.demo-intro h1 em { color: var(--signal); }
.demo-intro .lead { color: var(--on-night-soft); margin: 0; }

.demo-grid { display: grid; gap: 1.5rem; align-items: start; }
@media (min-width: 960px) { .demo-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 2rem; } }

/* ---- Chat ------------------------------------------------------------------------------------ */
.chat {
  background: var(--paper); color: var(--ink); border-radius: var(--radius); box-shadow: 0 30px 60px #0000004d;
  display: flex; flex-direction: column; height: min(78vh, 680px); min-height: 480px; overflow: hidden;
}
.chat-head { display: flex; align-items: center; gap: .75rem; padding: .85rem 1rem; border-bottom: 1px solid var(--line); }
.chat-avatar {
  flex: none; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 2px;
  background: var(--petrol); color: #fff; font-weight: 800; font-size: .85rem; letter-spacing: .04em;
}
.chat-who { flex: 1; min-width: 0; line-height: 1.3; }
.chat-who strong { display: block; font-size: .98rem; }
.chat-who span { display: flex; align-items: center; gap: .4rem; font-size: .78rem; color: var(--ink-soft); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #2e9e6a; box-shadow: 0 0 0 3px #2e9e6a26; }
.chat-reset {
  display: inline-flex; align-items: center; gap: .35rem; border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  font: inherit; font-size: .8rem; font-weight: 600; padding: .4rem .6rem; border-radius: var(--radius-btn); cursor: pointer;
}
.chat-reset:hover { border-color: var(--ink); color: var(--ink); }
@media (max-width: 420px) { .chat-reset span { display: none; } }

.chat-notice {
  margin: 0; padding: .6rem 1rem; font-size: .78rem; line-height: 1.45; color: #5b3a00;
  background: var(--apricot-soft); border-bottom: 1px solid #f3dcb5;
}
.chat-notice strong { display: block; font-weight: 700; color: #4a2f00; }

.chat-log {
  flex: 1; overflow-y: auto; list-style: none; margin: 0; padding: 1rem; display: flex; flex-direction: column; gap: .6rem;
  background: var(--paper-2); scroll-behavior: smooth; overscroll-behavior: contain;
}
.msg {
  max-width: 86%; padding: .65rem .85rem; font-size: .95rem; line-height: 1.5; border-radius: 2px; white-space: pre-wrap; overflow-wrap: anywhere;
  animation: msg-in .22s ease-out both;
}
.msg--ai { align-self: flex-start; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--petrol); }
.msg--user { align-self: flex-end; background: var(--night); color: #fff; border-right: 3px solid var(--signal); }
.msg--alert { border-left-color: #c62828; background: #fff5f5; }
.msg--system { align-self: center; max-width: 100%; background: transparent; color: var(--ink-soft); font-size: .8rem; text-align: center; padding: .2rem .5rem; }
.msg-meta { display: block; margin-top: .3rem; font-size: .68rem; color: #8a96a3; letter-spacing: .02em; }
@keyframes msg-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.typing { align-self: flex-start; display: inline-flex; gap: 5px; padding: .8rem .95rem; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--petrol); border-radius: 2px; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--petrol); opacity: .35; animation: blink 1.1s infinite ease-in-out; }
.typing i:nth-child(2) { animation-delay: .15s; }
.typing i:nth-child(3) { animation-delay: .3s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

.chat-starters { display: flex; flex-wrap: wrap; gap: .45rem; padding: .7rem 1rem 0; background: var(--paper-2); }
.chat-starters[hidden] { display: none; }
.chat-starters button {
  font: inherit; font-size: .85rem; font-weight: 600; padding: .45rem .75rem; cursor: pointer; border-radius: 999px;
  border: 1px solid #b8c7cf; background: #fff; color: var(--petrol);
}
.chat-starters button:hover { border-color: var(--petrol); background: var(--petrol-soft); }
.chat-starters button.is-alert { color: #b3261e; border-color: #e7b9b5; }
.chat-starters button.is-alert:hover { background: #fdecea; border-color: #b3261e; }

.chat-form { display: flex; gap: .5rem; align-items: flex-end; padding: .75rem 1rem 1rem; background: var(--paper-2); border-top: 1px solid transparent; }
.chat-form textarea {
  flex: 1; resize: none; font: inherit; font-size: 1rem; line-height: 1.45; padding: .7rem .85rem; max-height: 140px;
  border: 1px solid #b8c3cc; border-radius: var(--radius-btn); background: #fff; color: var(--ink);
}
.chat-form textarea:focus { outline: 2px solid var(--signal); outline-offset: 1px; border-color: var(--ink); }
.chat-send {
  flex: none; width: 48px; height: 48px; display: grid; place-items: center; border: 0; cursor: pointer;
  background: var(--signal); color: #121619; border-radius: var(--radius-btn);
}
.chat-send:hover { background: var(--apricot); }
.chat-send:disabled, .chat-form textarea:disabled { opacity: .55; cursor: not-allowed; }

/* ---- Zusammenfassung ------------------------------------------------------------------------- */
.handoff { background: var(--night-2); border: 1px solid var(--line-dark); border-radius: var(--radius); padding: 1.25rem; }
@media (min-width: 600px) { .handoff { padding: 1.75rem; } }
.handoff-label { margin: 0 0 .4rem; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--signal); }
.handoff h2 { color: #fff; font-size: clamp(1.35rem, 2.6vw, 1.75rem); letter-spacing: -.03em; margin-bottom: 1rem; }
.handoff-note { margin: 1rem 0 0; font-size: .82rem; color: #93a2b0; }

.progress { list-style: none; padding: 0; margin: 0 0 1.1rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.progress li {
  font-size: .78rem; font-weight: 600; padding: .3rem .6rem .3rem 1.55rem; position: relative;
  border: 1px solid #ffffff26; color: var(--on-night-soft); border-radius: 2px; transition: background .25s, color .25s, border-color .25s;
}
.progress li::before { content: ""; position: absolute; left: .55rem; top: 50%; width: 9px; height: 9px; margin-top: -4.5px; border: 1.5px solid currentColor; border-radius: 50%; }
.progress li.is-done { background: #00797e33; border-color: var(--petrol-2); color: #fff; }
.progress li.is-done::before { background: var(--signal); border-color: var(--signal); }

.summary-empty { display: flex; gap: .85rem; align-items: flex-start; padding: 1.1rem; border: 1px dashed #ffffff33; color: var(--on-night-soft); font-size: .9rem; }
.summary-empty[hidden] { display: none; }
.summary-empty svg { flex: none; color: var(--signal); }
.summary-empty p { margin: 0; }

.order { background: #fff; color: var(--ink); border-radius: 2px; overflow: hidden; animation: order-in .45s cubic-bezier(.2, .8, .2, 1) both; }
.order[hidden] { display: none; }
@keyframes order-in { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.order-head { display: flex; justify-content: space-between; gap: .75rem; align-items: flex-start; padding: .9rem 1.1rem; border-bottom: 1px solid var(--line); background: var(--petrol-soft); }
.order-kicker { display: block; font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--petrol); }
.order-head strong { font-size: 1.05rem; line-height: 1.3; }
.order-tag { flex: none; font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: .25rem .55rem; background: var(--apricot); color: #5b3a00; }
.order-tag.is-urgent { background: #c62828; color: #fff; }
.order-alert { margin: 0; padding: .7rem 1.1rem; background: #fdecea; color: #8c1d18; font-size: .87rem; font-weight: 600; border-bottom: 1px solid #f3c7c3; }
.order-alert[hidden] { display: none; }
.order-grid { display: grid; grid-template-columns: auto 1fr; gap: .45rem 1rem; margin: 0; padding: 1rem 1.1rem .5rem; font-size: .9rem; }
.order-grid dt { font-weight: 700; color: var(--ink); }
.order-grid dd { margin: 0; color: var(--ink-soft); overflow-wrap: anywhere; }
.order-grid dd.is-empty { color: #a4adb6; font-style: italic; }
.order-summary { margin: .25rem 1.1rem 1rem; padding: .75rem .9rem; background: var(--paper-2); border-left: 3px solid var(--signal); font-size: .9rem; color: var(--ink); }
.order-json { margin: 0 1.1rem 1rem; font-size: .8rem; }
.order-json summary { cursor: pointer; color: var(--petrol); font-weight: 600; }
.order-json pre { margin: .5rem 0 0; padding: .75rem; background: var(--night); color: #d8e3ea; overflow: auto; max-height: 260px; font-size: .75rem; line-height: 1.5; border-radius: 2px; }

.demo-after { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 900px) { .demo-after { grid-template-columns: 1.3fr 1fr; gap: 4rem; } }

@media (prefers-reduced-motion: reduce) { .msg, .order, .typing i { animation: none !important; } }