:root {
  --bg: #0b0f14;
  --surface: #121822;
  --surface-2: #182233;
  --text: #e6edf3;
  --muted: #9fb0c3;
  --primary: #5b9dff;
  --positive: #22c55e;
  --negative: #ef4444;
  --border: #1f2a3a;
  --card-radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, #0a3352 0%, transparent 60%),
              radial-gradient(1000px 500px at 100% 0%, #32145c 0%, transparent 50%),
              var(--bg);
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(10,14,20,.7), rgba(10,14,20,.5));
  border-bottom: 1px solid var(--border);
}
.app-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.app-header h1 {
  font-size: 20px;
  margin: 0;
}

.actions { display: flex; gap: 10px; }
.btn {
  background: var(--primary);
  color: #071526;
  border: none;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn:disabled { opacity: .6; cursor: not-allowed; }

main.container { padding: 24px 0 40px; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.card {
  background: linear-gradient(180deg, rgba(30, 40, 60, .5), rgba(20, 28, 40, .5));
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.kpi { padding: 16px 18px; }
.kpi-label { color: var(--muted); font-size: 12px; }
.kpi-value { font-size: 28px; font-weight: 700; margin-top: 4px; }
.kpi-value.positive { color: var(--positive); }
.kpi-value.negative { color: var(--negative); }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.inline { color: var(--muted); font-size: 13px; }
.inline input { margin-left: 8px; width: 110px; padding: 8px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); }

.weeks { display: flex; flex-direction: column; gap: 14px; }
.week {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 12px;
}
.week-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.week-title { font-weight: 600; }
.week-actions { display: flex; gap: 8px; }

.accounts-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(220px, 1fr));
  gap: 12px;
}
.account {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}
.account h3 { margin: 0 0 8px; font-size: 14px; color: var(--muted); font-weight: 600; }
.row { display: grid; grid-template-columns: 1fr 100px; gap: 8px; align-items: center; }
select, input[type="number"], input[type="text"] {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
}
.price-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.muted { color: var(--muted); font-size: 12px; }

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

.app-footer { border-top: 1px solid var(--border); margin-top: 24px; padding: 16px 0; color: var(--muted); font-size: 12px; }

@media (max-width: 1000px) {
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .accounts-grid { grid-template-columns: repeat(2, minmax(220px, 1fr)); }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .accounts-grid { grid-template-columns: 1fr; }
}