:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --text: #1b1f24;
  --muted: #6b7280;
  --border: #e2e5ea;
  --accent: #2563eb;
  --warn: #dc2626;
  --ok: #16a34a;
  --budget-warn: #d97706;
  --grey: #9ca3af;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card-bg: #1e2126;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: #2b2f36;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.75rem 1.5rem;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

nav a:hover { color: var(--accent); }

nav form { margin-left: auto; }

nav button {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  color: var(--text);
  cursor: pointer;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
}

.kpi strong { font-size: 1.6rem; }
.kpi span { color: var(--muted); font-size: 0.85rem; }
.kpi.warn strong { color: var(--warn); }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--border);
}

tfoot th { border-top: 2px solid var(--border); }

.hint {
  color: var(--muted);
  font-size: 0.8rem;
}

.flows { list-style: none; padding: 0; margin: 0.5rem 0 0; }
.flows li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}
.flows small { color: var(--muted); margin-left: auto; }

.dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.dot.green { background: var(--ok); }
.dot.red { background: var(--warn); }
.dot.grey { background: var(--grey); }

.date-range {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.date-range label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.8rem;
  margin-bottom: 0;
}
.date-range button {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
}

.switcher { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.switcher a {
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  color: var(--text);
}
.switcher a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

canvas { max-width: 100%; margin-bottom: 0.5rem; }

.login-card {
  max-width: 320px;
  margin: 4rem auto;
}

form label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

form input, form select {
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-bg);
  color: var(--text);
}

form button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.error { color: var(--warn); }

.hidden-field { display: none; }

.budgets {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.budget-row { display: flex; flex-direction: column; gap: 0.25rem; }
.budget-label {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.85rem;
}
.budget-bar {
  height: 0.5rem;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}
.budget-bar-fill { height: 100%; border-radius: 999px; }
.budget-bar-fill.ok   { background: var(--ok); }
.budget-bar-fill.warn { background: var(--budget-warn); }
.budget-bar-fill.over { background: var(--warn); }