:root {
  color-scheme: dark;
  --bg: #282c33;          /* dezentes Graphit */
  --surface: #31363e;     /* Karten, etwas heller */
  --surface-2: #23272d;   /* Eingaben, Balken-Track (dunkler) */
  --text: #e7e9ee;        /* helle, augenschonende Schrift */
  --muted: #9ba3af;
  --border: #3b414a;
  --primary: #7f77f2;
  --primary-hover: #928bf5;
  --primary-soft: rgba(127, 119, 242, 0.16);
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.14);
  --danger-border: rgba(248, 113, 113, 0.35);
  --success: #34d399;
  --success-soft: rgba(52, 211, 153, 0.14);
  --success-border: rgba(52, 211, 153, 0.35);
  --warning-soft: rgba(251, 146, 60, 0.13);
  --warning-border: rgba(251, 146, 60, 0.4);
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.35), 0 1px 2px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.container { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.header-inner { display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.brand-mark { color: var(--primary); font-size: 1.3rem; }
.nav { display: flex; gap: 6px; margin-left: 12px; }
.nav a { padding: 7px 12px; border-radius: 8px; color: var(--muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.nav a:hover { background: rgba(255, 255, 255, 0.06); color: var(--text); }
.nav a.active { background: var(--primary-soft); color: var(--primary); }
.user-box { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.user-email { color: var(--muted); font-size: 0.9rem; max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.main { padding: 28px 20px 48px; }
.site-footer { color: var(--muted); font-size: 0.82rem; padding: 24px 0 40px; text-align: center; }

/* Headings */
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 14px; }
.muted { color: var(--muted); font-weight: 400; }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
.stat { text-align: left; }
.stat-label { color: var(--muted); font-size: 0.85rem; margin-bottom: 6px; }
.stat-value { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Category bars */
.bars { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.bar-row { display: grid; grid-template-columns: 130px 1fr auto; align-items: center; gap: 12px; }
.bar-label { font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { background: var(--surface-2); border-radius: 999px; height: 10px; overflow: hidden; }
.bar-fill { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), #a49ef7); border-radius: 999px; }
.bar-value { font-variant-numeric: tabular-nums; font-size: 0.9rem; font-weight: 600; }

/* Due list */
.due-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.due-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; }
.due-item.due-soon { background: var(--warning-soft); border-color: var(--warning-border); }
.due-main { display: flex; flex-direction: column; }
.due-main .muted { font-size: 0.82rem; }
.due-meta { text-align: right; }
.due-amount { display: block; font-weight: 600; font-variant-numeric: tabular-nums; }
.due-when { display: block; font-size: 0.8rem; color: var(--muted); }

/* Table */
.table-card { padding: 0; }
.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.table th, .table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: rgba(255, 255, 255, 0.035); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.name-cell { display: flex; align-items: center; gap: 6px; }
.chip { font-size: 0.85rem; }
.row-notes { font-size: 0.8rem; margin-top: 3px; max-width: 260px; }
.actions { white-space: nowrap; text-align: right; }
.actions .btn { margin-left: 6px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 16px; border-radius: 9px; border: 1px solid transparent; font-size: 0.92rem; font-weight: 600; cursor: pointer; text-decoration: none; line-height: 1; transition: background .15s, border-color .15s; }
.btn-sm { padding: 6px 11px; font-size: 0.85rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.05); }
.btn-danger { background: var(--danger-soft); color: var(--danger); border-color: var(--danger-border); }
.btn-danger:hover { background: rgba(248, 113, 113, 0.22); }
.inline { display: inline; }

/* Forms */
.form { display: flex; flex-direction: column; gap: 14px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; font-weight: 600; }
.form input, .form select, .form textarea {
  font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface-2); color: var(--text); font-weight: 400;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .col-2 { grid-column: 1 / -1; }
.form-grid .check { flex-direction: row; align-items: center; gap: 10px; font-weight: 500; }
.form-grid .check input { width: 18px; height: 18px; }
.form-actions { display: flex; gap: 10px; margin-top: 4px; }
.form-card { max-width: 720px; }

/* Auth */
.auth-wrap { display: flex; justify-content: center; padding-top: 24px; }
.auth-card { width: 100%; max-width: 400px; }
.auth-card h1 { margin-bottom: 4px; }
.auth-card .muted { margin-top: 0; margin-bottom: 18px; }
.auth-alt { text-align: center; font-size: 0.9rem; margin-top: 16px; }
.auth-alt a, a { color: var(--primary); }
.demo-hint { margin-top: 20px; padding: 12px; background: var(--surface-2); border-radius: 9px; font-size: 0.82rem; color: var(--muted); text-align: center; }
.demo-hint code { background: var(--bg); padding: 1px 6px; border-radius: 5px; border: 1px solid var(--border); color: var(--text); }

/* Alerts */
.alert { padding: 11px 14px; border-radius: 9px; font-size: 0.9rem; margin-bottom: 16px; }
.alert-error { background: var(--danger-soft); color: var(--danger); border: 1px solid var(--danger-border); }
.alert-success { background: var(--success-soft); color: var(--success); border: 1px solid var(--success-border); }

/* Empty / center */
.empty { text-align: center; padding: 40px 20px; }
.empty p { margin: 0 0 16px; color: var(--muted); }
.center-card { text-align: center; max-width: 460px; margin: 40px auto; }
.error-code { font-size: 3rem; font-weight: 800; color: var(--primary); }

/* Responsive */
@media (max-width: 760px) {
  .stats { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .bar-row { grid-template-columns: 100px 1fr auto; }
  .nav { display: none; }
}