/* Xponential v3.2 – Modernes, edles Design (Kap. 12.11) */
:root {
  --bg-dark: #0d0d12;
  --bg-card: #16161d;
  --bg-elevated: #1c1c26;
  --border: #2a2a38;
  --text: #e8e8ed;
  --text-muted: #8b8b9a;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }
body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 0;
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  font-weight: 400;
  line-height: 1.5;
}

/* ========== Login ========== */
#login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}
.login-card {
  width: 100%;
  max-width: 380px;
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.login-card h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.02em;
}
.login-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0 0 2rem 0;
}
#login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
#login-form input {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-dark);
  color: var(--text);
  font-size: 0.9375rem;
  transition: border-color 0.2s;
}
#login-form input:focus {
  outline: none;
  border-color: var(--accent);
}
#login-form button {
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}
#login-form button:hover {
  background: var(--accent-hover);
}
#login-error {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 0.75rem;
}

/* ========== App Shell ========== */
.app-shell {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 240px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar-brand {
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--border);
}
.admin-sidebar .sidebar-brand { color: var(--accent); }
.nav-links {
  display: flex;
  flex-direction: column;
  padding: 1rem 0.5rem;
  gap: 0.25rem;
}
.nav-links a {
  padding: 0.625rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover {
  color: var(--text);
  background: var(--bg-elevated);
}
.nav-links a.active {
  color: var(--accent);
  background: rgba(99, 102, 241, 0.12);
  font-weight: 500;
}
.sidebar-footer {
  margin-top: auto;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}
.user-badge {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.sidebar-footer button {
  width: 100%;
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}
.sidebar-footer button:hover {
  color: var(--danger);
  border-color: var(--danger);
}

.main-content {
  flex: 1;
  padding: 1.5rem 2rem;
  overflow-x: hidden;
}

#tenant-bar {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
#tenant-bar label { font-size: 0.875rem; color: var(--text-muted); }
#tenant-bar select {
  padding: 0.5rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
}

/* ========== Dashboard (Kap. 12.5) ========== */
.dashboard-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
}
.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}
.card-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}
.state-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
}
.state-running { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.state-paused { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.state-stopped { background: rgba(139, 139, 154, 0.2); color: var(--text-muted); }
.state-error { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.card-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}
.metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.metric-value {
  font-size: 1rem;
  font-weight: 600;
}
.dll-status { margin: 0.75rem 0; }
.dll-warn { color: var(--warning); font-size: 0.875rem; }
.open-trades { margin: 1rem 0; }
.open-trades h3 { font-size: 0.875rem; margin: 0 0 0.5rem 0; color: var(--text-muted); }
.last-error { color: var(--danger); font-size: 0.8125rem; margin: 0.5rem 0; }
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.card-actions button {
  padding: 0.5rem 0.875rem;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}
.card-actions button:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.card-actions button.panic-btn {
  background: rgba(239, 68, 68, 0.15);
  border-color: var(--danger);
  color: var(--danger);
}
.card-actions button.panic-btn:hover {
  background: var(--danger);
  color: white;
}

.trades-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}
.trades-table th, .trades-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.trades-table th { color: var(--text-muted); font-weight: 500; }

/* ========== Platform, Treasury, Reports ========== */
.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.platform-card h3 { margin: 0 0 0.5rem 0; font-size: 1rem; }
.platform-card .keyset-form {
  margin: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.platform-card .keyset-form fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  min-width: 260px;
}
.platform-card .keyset-form legend {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0 0.5rem;
}
.platform-card .keyset-form label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.8125rem;
}
.platform-card .keyset-form input {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
}
.platform-card .keyset-form button {
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  cursor: pointer;
}
.platform-card .keyset-form button:hover { background: var(--accent-hover); }
.platform-card .controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.platform-card .controls button {
  padding: 0.5rem 0.875rem;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  cursor: pointer;
}

/* Kap. 12.11: Tabellen mobil horizontal scrollbar */
.table-scroll-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.data-table th, .data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.data-table th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.reports-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.report-link {
  display: block;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--accent);
  text-align: center;
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s;
}
.report-link:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent);
}

/* ========== Admin ========== */
.admin-section {
  margin-bottom: 2rem;
}
.admin-section h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem 0;
  color: var(--text-muted);
}
.admin-section .section-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0 0 1rem 0;
}
.admin-section .halt-active { color: var(--danger); }
.admin-section .system-actions,
.admin-section .halt-actions { margin: 1rem 0; }
.admin-section .tenant-actions-list { display: flex; flex-direction: column; gap: 0.5rem; margin: 1rem 0; }
.admin-section .tenant-row { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.admin-section button {
  padding: 0.5rem 1rem;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  cursor: pointer;
}
.admin-section button.halt { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.admin-section button.unhalt { background: rgba(34, 197, 94, 0.15); color: var(--success); }

.empty-state {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* ========== Responsive ========== */
body.logged-out .sidebar-toggle { display: none !important; }
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1001;
  padding: 0.5rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  font-size: 1.25rem;
}

@media (max-width: 768px) {
  .sidebar-toggle { display: block; }
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.2s;
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding: 1rem; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .card-actions { flex-direction: column; }
  .card-actions button { width: 100%; }
  .data-table { font-size: 0.8125rem; }
  .data-table th, .data-table td { padding: 0.5rem; }
}