/* ================================================================
   BE:KI Base – Gemeinsame Grundstile
   Abgeleitet aus dem BE:KI Design-System (Navy #1e3d73 / Teal #3a8c68)
   ================================================================ */

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

/* ── CSS-Variablen ────────────────────────────────────────────── */
:root {
  --navy:   #1e3d73;
  --teal:   #3a8c68;
  --bg:     #f0f4f8;
  --card:   #ffffff;
  --line:   #dde3ec;
  --text:   #1a2740;
  --muted:  #6b7a8d;
  --soft:   #f4f7fb;
  --radius: 18px;
}

/* ── Body ─────────────────────────────────────────────────────── */
body {
  height: 100vh;
  overflow: hidden;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

button {
  font: inherit;
}

/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-thumb { background: #c8d0dc; border-radius: 999px; }

/* ── Demo Banner ─────────────────────────────────────────────── */
#demo-banner {
  background: #fef3cd;
  border-bottom: 2px solid #f0d070;
  padding: 7px 24px;
  font-size: 12.5px;
  color: #7a5900;
  display: none;
  text-align: center;
  flex-shrink: 0;
}

/* ── Header ───────────────────────────────────────────────────── */
#header {
  background: #fff;
  display: flex;
  align-items: center;
  padding: 10px 24px;
  flex-shrink: 0;
  border-bottom: 3px solid var(--navy);
  box-shadow: 0 2px 10px rgba(30, 61, 115, 0.12);
}

.header-logo-img {
  height: 96px;
  max-width: 240px;
  object-fit: contain;
}

.header-div {
  width: 2px;
  height: 32px;
  background: var(--line);
  margin: 0 18px;
  flex-shrink: 0;
}

#header-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 600;
  color: #4b5a6e;
}

.bc-root {
  color: #2244b8;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.bc-sep,
.bc-active {
  color: var(--teal);
  font-weight: 700;
}

.bc-hidden { display: none !important; }

/* ── Progress Bar ─────────────────────────────────────────────── */
#progress-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--teal));
  transition: width 0.25s ease;
  flex-shrink: 0;
}

/* ── Footer ───────────────────────────────────────────────────── */
#app-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.footer-copy {
  font-size: 11px;
  color: #9ba8bb;
}

/* ── Modal-Overlay (API-Key) ──────────────────────────────────── */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 50, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-box {
  background: #fff;
  border-radius: 18px;
  padding: 32px 28px;
  width: min(420px, 92vw);
  box-shadow: 0 24px 60px rgba(8, 18, 50, 0.22);
}

/* ── Start-Karten ─────────────────────────────────────────────── */
.case-grid {
  width: min(900px, 100%);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.case-card {
  background: var(--card);
  border-radius: 12px;
  padding: 18px 20px;
  border: 2px solid #c8d4ea;
  box-shadow: 0 2px 12px rgba(30, 61, 115, 0.08);
  cursor: pointer;
  transition: all 0.16s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.case-card:hover {
  transform: translateY(-2px);
  border-color: var(--navy);
  box-shadow: 0 6px 24px rgba(30, 61, 115, 0.16);
}

.case-emoji { font-size: 22px; line-height: 1; }

.case-title {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.3;
}

.case-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ── Abschnitts-Überschriften ─────────────────────────────────── */
.sec-h {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 6px;
}

.sec-sub {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 22px;
}

/* ── Formular-Elemente ────────────────────────────────────────── */
.inp-group {
  margin-bottom: 18px;
}

.inp-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #475569;
  margin-bottom: 7px;
}

.text-inp {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: #f8fafc;
  outline: none;
  box-sizing: border-box;
  transition: border-color .15s;
  resize: vertical;
}

.text-inp:focus {
  border-color: var(--navy);
  background: #fff;
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--navy);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s;
  margin-bottom: 24px;
}

.btn-primary:hover { background: #16306a; }

.back-btn {
  background: none;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 12.5px;
  color: #4b5a6e;
  cursor: pointer;
  margin-bottom: 16px;
}

.back-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: #4b5a6e;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}

.copy-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
  background: #eef4ff;
}

.send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: #fff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background .15s;
}

.send-btn:hover { background: #2e7555; }

/* ── Lade-Spinner ─────────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spin { animation: spin 0.9s linear infinite; }