:root{
  --bd-primary: #522033;
  --bd-accent: #7E0E33;
  --bd-bg: #F4F0F2;
  --bd-card-bg: rgba(255,255,255,.75);
  --bd-border: rgba(82,32,51,.12);
  --bd-text: #2C2C2A;
  --bd-text-muted: #6b6b6b;
  --bd-positive: #0F6E56;
  --bd-negative: #A32D2D;
  --bd-neutral: #888780;
}

*{ box-sizing: border-box; }

body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bd-bg);
  color: var(--bd-text);
}

.bd-container{
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

/* ---------- Header ---------- */
.bd-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.bd-header__brand{
  display:flex;
  align-items:center;
  gap:12px;
}

.bd-header__brand img{
  height: 36px;
  width:auto;
  display:block;
}

.bd-header__title{
  margin:0;
  font-size: 1.3rem;
  color: var(--bd-primary);
  font-weight: 800;
  letter-spacing:.2px;
}

.bd-header__meta{
  font-size: .8rem;
  color: var(--bd-text-muted);
}

.bd-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

.bd-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--bd-border);
  background: rgba(255,255,255,.7);
  color: var(--bd-primary);
  font-weight: 700;
  font-size: .85rem;
  cursor:pointer;
  text-decoration:none;
  transition: transform .12s ease, background .12s ease;
}

.bd-btn:hover{
  background: #fff;
  transform: translateY(-1px);
}

.bd-btn--primary{
  background: var(--bd-primary);
  color:#fff;
  border-color: var(--bd-primary);
}

.bd-btn--primary:hover{
  background: var(--bd-accent);
}

.bd-btn.is-loading{
  opacity:.6;
  cursor:default;
  pointer-events:none;
}

/* ---------- Sections ---------- */
.bd-section{
  margin-bottom: 32px;
}

.bd-section__title{
  font-size: .85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--bd-primary);
  margin: 0 0 12px;
  opacity:.8;
}

/* ---------- Grid & Cards ---------- */
.bd-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.bd-card{
  background: var(--bd-card-bg);
  border: 1px solid var(--bd-border);
  border-radius: 16px;
  padding: 16px 18px;
  text-decoration:none;
  color: inherit;
  display:flex;
  flex-direction:column;
  transition: transform .14s ease, box-shadow .14s ease;
}

.bd-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0,0,0,.08);
}

.bd-card__label{
  font-size: .8rem;
  color: var(--bd-text-muted);
  font-weight:700;
  display:flex;
  align-items:center;
  gap:6px;
  margin: 0 0 8px;
}

.bd-card__value{
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--bd-primary);
  margin: 0 0 10px;
}

.bd-card__diffs{
  display:flex;
  gap:10px;
  font-size: .78rem;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.bd-diff-positive{ color: var(--bd-positive); font-weight:700; }
.bd-diff-negative{ color: var(--bd-negative); font-weight:700; }
.bd-diff-neutral{ color: var(--bd-neutral); font-weight:700; }

.bd-card__spark{
  width:100%;
  height: 28px;
  margin-top: auto;
}

.bd-card--placeholder{
  align-items:center;
  justify-content:center;
  text-align:center;
  color: var(--bd-text-muted);
  font-size: .85rem;
  min-height: 110px;
}

.bd-card--placeholder .bd-card__label{
  margin-bottom: 4px;
}

/* ---------- Login ---------- */
.bd-login-wrap{
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
}

.bd-login-box{
  background: rgba(255,255,255,.9);
  border: 1px solid var(--bd-border);
  border-radius: 18px;
  padding: 40px;
  max-width: 380px;
  width: 100%;
  text-align:center;
  box-shadow: 0 10px 25px rgba(0,0,0,.06);
}

.bd-login-box img{
  height: 40px;
  margin-bottom: 20px;
}

.bd-login-box h1{
  font-size: 1.2rem;
  color: var(--bd-primary);
  margin: 0 0 20px;
}

.bd-login-box input[type=password]{
  width:100%;
  padding: 12px 14px;
  border: 1px solid var(--bd-border);
  border-radius: 10px;
  font-size: .95rem;
  margin-bottom: 14px;
  box-sizing:border-box;
}

.bd-login-box button{
  width:100%;
  padding: 12px;
  border-radius: 10px;
  border:none;
  background: var(--bd-primary);
  color:#fff;
  font-weight:700;
  font-size:.95rem;
  cursor:pointer;
}

.bd-login-box button:hover{
  background: var(--bd-accent);
}

.bd-login-error{
  color: var(--bd-negative);
  font-size: .85rem;
  margin-bottom: 14px;
}

/* ---------- Detail page ---------- */
.bd-back{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.85rem;
  color: var(--bd-primary);
  text-decoration:none;
  margin-bottom: 16px;
  font-weight:700;
}

.bd-detail-card{
  background: var(--bd-card-bg);
  border: 1px solid var(--bd-border);
  border-radius: 16px;
  padding: 24px;
}

.bd-detail-card h2{
  margin: 0 0 4px;
  color: var(--bd-primary);
}

.bd-detail-value{
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--bd-primary);
  margin: 4px 0 16px;
}

.bd-chart-wrap{
  position:relative;
  height: 280px;
}

@media (max-width: 640px){
  .bd-header{ align-items:flex-start; }
  .bd-card__value{ font-size: 1.4rem; }
}

/* ---------- Kleinanzeigen-Kacheln ---------- */
.bd-grid--ka{
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.bd-card--ka{
  cursor: default;
}

.bd-card--ka:hover{
  transform: none;
  box-shadow: none;
}

.bd-ka-month{
  margin-left: auto;
  font-size: .75rem;
  font-weight: 700;
  color: var(--bd-text-muted);
  opacity:.7;
}

.bd-ka-row{
  display: flex;
  gap: 0;
  align-items: stretch;
  margin-top: 8px;
}

.bd-ka-block{
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 0;
}

.bd-ka-block:first-child{
  padding-right: 16px;
}

.bd-ka-block:last-child{
  padding-left: 16px;
}

.bd-ka-divider{
  width: 1px;
  background: var(--bd-border);
  flex-shrink: 0;
}

.bd-ka-sub{
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--bd-text-muted);
}

.bd-ka-val{
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--bd-primary);
  line-height: 1.1;
}

.bd-ka-diff{
  font-size: .78rem;
  font-weight: 700;
}