:root {
  --bg: #0f1420;
  --panel: #171d2b;
  --border: #2a3244;
  --text: #e6e9ef;
  --muted: #8b93a7;
  --income: #3fb97a;
  --expense: #e0655b;
  --accent: #5b8cff;
  --error: #f2555a;
}

* { box-sizing: border-box; }

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

header {
  padding: 24px 32px 8px;
}

header h1 { margin: 0; font-size: 1.5rem; }
.subtitle { color: var(--muted); margin: 4px 0 0; font-size: 0.9rem; }

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 32px 48px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card .label { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.card .value { font-size: 1.5rem; font-weight: 600; }
.card.income .value { color: var(--income); }
.card.expense .value { color: var(--expense); }
.card.net .value { color: var(--accent); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}

.panel h2 { margin: 0 0 12px; font-size: 1.05rem; }

.row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

label {
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
  color: var(--muted);
  gap: 4px;
  flex: 1;
  min-width: 140px;
}

label.full { flex-basis: 100%; }

input, select {
  background: #0f1420;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 0.9rem;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  font-size: 0.9rem;
  cursor: pointer;
  align-self: flex-end;
}

button#clearFilters {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.filters { align-items: flex-end; }

#exportLink {
  align-self: flex-end;
  color: var(--accent);
  text-decoration: none;
  padding: 9px 4px;
  font-size: 0.9rem;
}
#exportLink:hover { text-decoration: underline; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 0.75rem; text-transform: uppercase; }
tr.income td.amount { color: var(--income); }
tr.expense td.amount { color: var(--expense); }

.delete-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 2px 6px;
  align-self: center;
}
.delete-btn:hover { color: var(--expense); }

.user-bar {
  position: absolute;
  top: 24px;
  right: 32px;
  display: flex;
  gap: 16px;
  align-items: center;
  color: var(--muted);
  font-size: 0.85rem;
}
.user-bar[hidden] { display: none; }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
}
.link-btn:hover { text-decoration: underline; }

header { position: relative; }

.login-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
  padding: 16px;
}
.login-screen[hidden] { display: none; }

.login-panel {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login-panel label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--muted);
  font-size: 0.85rem;
}

.error-text {
  color: var(--error);
  font-size: 0.85rem;
  margin: 0;
}

.hint {
  color: var(--muted);
  font-size: 0.8rem;
  display: block;
  margin: 4px 0 12px;
}

.receipt-import {
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 4px;
}

#importPreviewWrap { margin-top: 12px; }
#importTable input, #importTable select {
  padding: 4px 6px;
  font-size: 0.8rem;
  width: 100%;
}
#importTable td { padding: 4px 6px; }