:root {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --card: #ffffff;
  --accent: #0ea5e9;
  --accent-hover: #0284c7;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --green: #10b981;
  --green-bg: #ecfdf5;
  --bubble-user: #0ea5e9;
  --bubble-ai: #f1f5f9;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(0,0,0,.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(160deg, #0f172a 0%, #1e293b 60%, #0f172a 100%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: rgba(15, 23, 42, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  height: 48px;
  width: 48px;
  object-fit: contain;
  border-radius: 50%;
  background: #fff;
  padding: 4px;
  box-shadow: 0 2px 10px rgba(0,0,0,.25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { color: #fff; font-weight: 700; font-size: 18px; letter-spacing: .2px; }
.brand-sub { color: #94a3b8; font-size: 12px; }

.header-actions { display: flex; gap: 10px; }

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost {
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,.15);
}
.btn-ghost:hover { background: rgba(255,255,255,.18); }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-icon { font-size: 16px; }

.quest-badge {
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 12px;
  font-weight: 700;
}

/* Chat */
.chat-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 24px 16px;
}
.chat-container {
  width: 100%;
  max-width: 1000px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  height: calc(100vh - 110px);
  max-height: 900px;
  overflow: hidden;
}

.chat-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.chat-toolbar-left { flex: 1; }
.search {
  width: 100%;
  max-width: 360px;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  outline: none;
  transition: border .15s;
}
.search:focus { border-color: var(--accent); }

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

.welcome {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  margin: auto;
}
.welcome-logo {
  height: 72px;
  width: 72px;
  object-fit: contain;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  padding: 6px;
  margin-bottom: 14px;
}
.welcome h2 { color: var(--text); margin-bottom: 8px; }
.welcome p { font-size: 14px; }

.msg {
  max-width: 78%;
  padding: 12px 16px;
  border-radius: 18px;
  line-height: 1.5;
  font-size: 15px;
  animation: fadeIn .25s ease;
  word-wrap: break-word;
}
.msg.user {
  align-self: flex-end;
  background: var(--bubble-user);
  color: #fff;
  border-bottom-right-radius: 6px;
}
.msg.ai {
  align-self: flex-start;
  background: var(--bubble-ai);
  color: var(--text);
  border-bottom-left-radius: 6px;
}
.msg img.msg-image {
  max-width: 260px;
  border-radius: 12px;
  display: block;
  margin-top: 6px;
  cursor: pointer;
  border: 1px solid var(--border);
}
.msg .img-link { display: block; margin-top: 8px; }
.msg.highlight { outline: 2px solid #f59e0b; }

/* Markdown-Rendering in Nachrichten */
.msg p { margin: 0 0 8px; }
.msg p:last-child { margin-bottom: 0; }
.msg strong { font-weight: 700; }
.msg em { font-style: italic; }
.msg code {
  background: rgba(0,0,0,.06);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}
.msg ul.md-list {
  margin: 4px 0 8px;
  padding-left: 20px;
  list-style: disc;
}
.msg ul.md-list li { margin-bottom: 3px; }
.msg .md-list-item {
  margin: 2px 0;
  padding-left: 20px;
  position: relative;
}
.msg .md-list-item::before {
  content: counter(mditem, decimal) ". ";
  counter-increment: mditem;
  position: absolute;
  left: 0;
  font-weight: 600;
}
.msg { counter-reset: mditem; }
.user.msg p:last-child { margin-bottom: 0; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Inline action buttons (z. B. Druck-Abfrage) */
.msg-actions {
  align-self: flex-start;
  display: flex;
  gap: 10px;
  margin-left: 4px;
}

.quest-img-req {
  margin-top: 6px;
  font-size: 12px;
  color: #0ea5e9;
  font-weight: 600;
  background: #e0f2fe;
  border-radius: 8px;
  padding: 4px 8px;
  display: inline-block;
}

.quest-image-full {
  margin-top: 12px;
  width: 100%;
}
.quest-image-full .quest-image img,
.quest-image img {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: block;
}

/* Typing indicator */
.typing { display: inline-flex; gap: 4px; align-items: center; }
.typing span {
  width: 7px; height: 7px;
  background: #94a3b8;
  border-radius: 50%;
  animation: blink 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink {
  0%, 80%, 100% { opacity: .3; }
  40% { opacity: 1; }
}

/* Composer */
.composer {
  border-top: 1px solid var(--border);
  padding: 12px 16px;
}
.image-preview {
  position: relative;
  display: inline-block;
  margin-bottom: 8px;
}
.image-preview[hidden] {
  display: none;
}
.image-preview img {
  height: 72px;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.remove-img {
  position: absolute;
  top: -8px; right: -8px;
  background: #ef4444;
  color: #fff;
  border: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
}
.composer-form {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}
.attach {
  font-size: 22px;
  cursor: pointer;
  padding: 8px 4px;
  user-select: none;
  transition: transform .15s;
}
.attach:hover { transform: scale(1.15); }
.composer-form textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 12px 18px;
  font-size: 15px;
  font-family: inherit;
  max-height: 140px;
  outline: none;
  transition: border .15s;
}
.composer-form textarea:focus { border-color: var(--accent); }
.send {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 19px;
  cursor: pointer;
  transition: background .18s, transform .1s;
  flex-shrink: 0;
}
.send:hover { background: var(--accent-hover); }
.send:active { transform: scale(.92); }
.send:disabled { opacity: .5; cursor: not-allowed; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-overlay[hidden] {
  display: none;
}
.modal {
  background: #fff;
  border-radius: 20px;
  width: 100%;
  max-width: 460px;
  max-height: 86vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  animation: pop .2s ease;
}
@keyframes pop {
  from { transform: scale(.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: var(--bg);
  color: #fff;
}
.modal-header h3 { font-size: 18px; }
.modal-close {
  background: rgba(255,255,255,.12);
  color: #fff;
  border: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 15px;
}
.modal-close:hover { background: rgba(255,255,255,.24); }
.modal-body { padding: 16px 22px 22px; overflow-y: auto; }
.modal-hint { color: var(--text-muted); font-size: 13px; margin-bottom: 16px; }

.quest-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.quest-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
  transition: all .2s ease;
}
.quest-item.done {
  background: var(--green-bg);
  border-color: #a7f3d0;
}
.quest-check {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid #cbd5e1;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
  background: #e2e8f0;
}
.quest-item.done .quest-check {
  background: var(--green);
  border-color: var(--green);
}
.quest-info { flex: 1; }
.quest-title { font-size: 14px; font-weight: 600; color: var(--text); }
.quest-item.done .quest-title { color: #065f46; }
.quest-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.modal-footer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.progress-text { font-size: 13px; color: var(--text-muted); font-weight: 600; }

/* Toast */
.toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-soft);
  color: #fff;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 14px;
  box-shadow: var(--shadow);
  z-index: 200;
  animation: toastIn .25s ease;
}
.toast.success { background: #059669; }
.toast.error { background: #e11d48; }
@keyframes toastIn {
  from { transform: translate(-50%, 12px); opacity: 0; }
  to { transform: translate(-50%, 0); opacity: 1; }
}

/* Responsive */
@media (max-width: 640px) {
  .brand-sub { display: none; }
  .msg { max-width: 90%; }
  .chat-container { height: calc(100vh - 84px); }
}