:root {
  --gelb: #FFD600;
  --gelb-hover: #F2CC00;
  --anthrazit: #1F2937;
  --anthrazit-soft: #374151;
  --bg: #F9FAFB;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --text: #111827;
  --text-soft: #6B7280;
  --success: #059669;
  --danger: #DC2626;
  --warn: #D97706;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

.hidden { display: none !important; }

/* ---- Login ---- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--anthrazit) 0%, #0F172A 100%);
  padding: 24px;
}
.login-card {
  background: var(--card);
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
}
.login-logo {
  width: 120px;
  align-self: center;
  margin-bottom: 16px;
}
.login-card h1 {
  font-size: 24px;
  margin: 0 0 4px;
  text-align: center;
  color: var(--anthrazit);
}
.login-subtitle {
  text-align: center;
  color: var(--text-soft);
  margin: 0 0 24px;
}
.login-card label {
  font-weight: 600;
  margin-top: 12px;
  margin-bottom: 4px;
  color: var(--anthrazit);
}
.login-card input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
}
.login-card input:focus {
  outline: none;
  border-color: var(--gelb);
  box-shadow: 0 0 0 3px rgba(255, 214, 0, 0.2);
}
.login-card button {
  margin-top: 20px;
  padding: 12px;
  background: var(--gelb);
  color: var(--anthrazit);
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}
.login-card button:hover { background: var(--gelb-hover); }
.error-msg {
  color: var(--danger);
  text-align: center;
  margin-top: 12px;
  font-size: 13px;
  min-height: 18px;
}

/* ---- App-Layout ---- */
.app {
  display: grid;
  grid-template-rows: auto auto auto auto 1fr;
  height: 100vh;
  position: relative;
}

/* Header */
.app-header {
  background: var(--anthrazit);
  color: white;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 36px; }
.brand-text { font-size: 16px; font-weight: 700; letter-spacing: 0.5px; }
.user-area { display: flex; align-items: center; gap: 12px; }
#user-display { font-size: 13px; opacity: 0.85; }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }

/* Dashboard */
.dashboard {
  background: var(--card);
  padding: 16px 24px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
  border-bottom: 1px solid var(--border);
}
.kpi {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.15s;
}
.kpi:hover {
  border-color: var(--gelb);
  background: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.kpi-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--anthrazit);
  line-height: 1.1;
}
.kpi-label {
  font-size: 11px;
  color: var(--text-soft);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.kpi-success .kpi-num { color: var(--success); }

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--card);
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
}
.tab {
  background: transparent;
  border: none;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--anthrazit);
  border-bottom-color: var(--gelb);
}
.tab-count {
  background: var(--bg);
  color: var(--text-soft);
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
}
.tab.active .tab-count {
  background: var(--gelb);
  color: var(--anthrazit);
}

/* Filter-Leiste */
.filter-bar {
  background: var(--card);
  padding: 12px 24px;
  display: flex;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.filter-bar select, .filter-bar input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: white;
}
.filter-bar input { flex: 1; max-width: 360px; }
.filter-bar select:focus, .filter-bar input:focus {
  outline: none;
  border-color: var(--gelb);
  box-shadow: 0 0 0 3px rgba(255, 214, 0, 0.2);
}

/* Lead-Tabelle */
.lead-list {
  overflow-y: auto;
  background: var(--card);
  padding: 0;
}
.lead-table {
  width: 100%;
  border-collapse: collapse;
}
.lead-table thead {
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 1;
}
.lead-table th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-soft);
  padding: 12px 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.lead-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.lead-table tr { cursor: pointer; transition: background 0.1s; }
.lead-table tr:hover { background: #FFFBEA; }
.lead-table tr.selected { background: #FFF7CC; }
.firma-cell { font-weight: 600; }
.inhaber-cell .leer { color: var(--text-soft); font-style: italic; }

/* Status-Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.status-lead { background: #F3F4F6; color: var(--text-soft); }
.status-follow_up { background: #FEF3C7; color: #92400E; }
.status-angebot { background: #DBEAFE; color: #1E40AF; }
.status-terminiert { background: #D1FAE5; color: #065F46; }
.status-disqualifiziert { background: #FEE2E2; color: #991B1B; }

.empty-state {
  padding: 60px 24px;
  text-align: center;
  color: var(--text-soft);
}

/* Detail-Panel */
.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 480px;
  height: 100vh;
  background: var(--card);
  box-shadow: -8px 0 30px rgba(0,0,0,0.1);
  overflow-y: auto;
  z-index: 10;
  border-left: 1px solid var(--border);
}
.detail-head {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--anthrazit);
  color: white;
  position: relative;
}
.detail-close {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 22px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  color: white;
  cursor: pointer;
}
.detail-close:hover { background: rgba(255,255,255,0.2); }
.detail-head h2 { margin: 0 0 4px; font-size: 18px; padding-right: 32px; }
.detail-inhaber {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 8px;
}
.detail-branche-tag {
  display: inline-block;
  background: var(--gelb);
  color: var(--anthrazit);
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.detail-actions {
  padding: 12px 24px;
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.btn-primary, .btn-secondary, .btn-call, .btn-primary-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.15s;
}
.btn-primary {
  background: var(--gelb);
  color: var(--anthrazit);
}
.btn-primary:hover { background: var(--gelb-hover); }
.btn-secondary {
  background: var(--bg);
  color: var(--anthrazit);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: white; border-color: var(--anthrazit); }
.btn-call {
  width: 100%;
  background: var(--anthrazit);
  color: white;
  padding: 10px;
  margin-top: 8px;
}
.btn-call:hover { background: var(--anthrazit-soft); }
.btn-primary-sm {
  background: var(--gelb);
  color: var(--anthrazit);
  padding: 6px 12px;
  font-size: 12px;
  align-self: flex-start;
}

.detail-section {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.detail-section h3 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-soft);
  margin: 0 0 10px;
  font-weight: 700;
}
#detail-status {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: white;
}
.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  cursor: pointer;
}
.check-row input { cursor: pointer; }
.contact-grid {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 6px 12px;
  font-size: 13px;
}
.contact-grid .label { color: var(--text-soft); }
.contact-grid .value { color: var(--text); word-break: break-word; }
.contact-grid a { color: var(--anthrazit); text-decoration: underline; }

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.comment-form textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
}
.comment-form textarea:focus {
  outline: none;
  border-color: var(--gelb);
  box-shadow: 0 0 0 3px rgba(255, 214, 0, 0.2);
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.history-entry {
  background: var(--bg);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  border-left: 3px solid var(--gelb);
}
.history-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-soft);
  margin-bottom: 4px;
}
.history-meta .who {
  font-weight: 700;
  color: var(--anthrazit);
}
.history-text { color: var(--text); }
.history-entry.activity { border-left-color: var(--anthrazit); }

@media (max-width: 1100px) {
  .dashboard { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .dashboard { grid-template-columns: repeat(2, 1fr); }
  .detail-panel { width: 100%; }
  .lead-table th:nth-child(4), .lead-table td:nth-child(4),
  .lead-table th:nth-child(5), .lead-table td:nth-child(5) { display: none; }
}