@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f3faf7;
  --surface: #ffffff;
  --surface-2: #ecf9f3;
  --text: #0f2419;
  --muted: #5c7a6d;
  --border: #d7ede2;
  --accent: #10b981;
  --accent-2: #0d9488;
  --accent-text: #ffffff;
  --credit: #059669;
  --expense: #e11d48;
  --grid: #d7ede2;
  --series-1: #0d9488;
  --series-2: #f59e0b;
  --series-3: #2563eb;
  --status-good: #059669;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(6,78,59,0.05), 0 12px 26px -12px rgba(16,185,129,0.22);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; color-scheme: light; }

input[type="number"] { -moz-appearance: textfield; }
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
}

header {
  padding: 22px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

header h1 { margin: 0 0 4px; font-size: 1.5rem; font-weight: 800; color: #047857; letter-spacing: -0.01em; display: flex; align-items: center; justify-content: center; gap: 8px; }
.header-logo { height: 2.2em; width: auto; flex-shrink: 0; margin: -0.45em 0; }
header p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px 16px 60px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.sidebar { width: 260px; flex-shrink: 0; position: sticky; top: 20px; display: flex; flex-direction: column; gap: 16px; }
main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 20px; }

@media (max-width: 800px) { .layout { flex-direction: column; } .sidebar { width: 100%; position: static; } }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.card h2 { margin: 0 0 14px; font-size: 1.02rem; font-weight: 700; }

form { display: flex; flex-direction: column; gap: 10px; }
label { font-size: 0.85rem; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }

input, select, textarea {
  font: inherit; font-size: 16px; padding: 11px 12px; min-height: 44px;
  border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); width: 100%;
}

button {
  font: inherit; font-weight: 700; padding: 12px 16px; min-height: 44px; border-radius: 8px; border: none;
  background: var(--accent); color: var(--accent-text); cursor: pointer;
  box-shadow: 0 6px 14px -6px rgba(16,185,129,0.5);
}
button:hover { opacity: 0.92; }
button.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); box-shadow: none; }

.status { font-size: 0.85rem; min-height: 1.2em; }
.status.error { color: var(--expense); }
.status.ok { color: var(--credit); }

.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; min-width: 480px; border-collapse: collapse; font-size: 0.88rem; margin-top: 4px; }
table.people-ledger { min-width: 530px; }
table.people-ledger th:nth-child(2), table.people-ledger td:nth-child(2) { min-width: 190px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.amt-credit { color: var(--credit); font-weight: 600; }
.amt-expense { color: var(--expense); font-weight: 600; }

#gate { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: linear-gradient(180deg, #eafbf3, var(--bg)); }
#gate .card { width: 100%; max-width: 360px; text-align: center; }

.hidden { display: none !important; }

.filters { display: flex; flex-direction: column; gap: 12px; }

.santha-amount-cell { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.santha-amount-input { width: 80px; min-height: 34px; padding: 6px 8px; }
.santha-amount-save { padding: 6px 10px; min-height: 34px; font-size: 0.82rem; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; text-align: center; }
.tile .value { font-size: 1.4rem; font-weight: 800; margin-top: 4px; }
.tile .label { color: var(--muted); font-size: 0.8rem; }
.tile.credit .value { color: var(--credit); }
.tile.expense .value { color: var(--expense); }

.chart-wrap { position: relative; height: 280px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

@media (max-width: 640px) { .two-col { grid-template-columns: 1fr; } .chart-wrap { height: 240px; } }

@media (max-width: 480px) {
  header h1 { font-size: 1.25rem; }
  .layout { padding: 16px 12px 48px; gap: 16px; }
  main { gap: 16px; }
  .card { padding: 14px; }
  .tile .value { font-size: 1.2rem; }
}

/* ---------- Table filter rows ---------- */

thead tr.filter-row th,
thead tr.filter-row td {
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  padding: 3px 6px;
}

.filter-input {
  width: 100%;
  min-height: 21px;
  padding: 2px 8px;
  font-size: 0.8rem;
  font-weight: 400;
}