* { box-sizing: border-box; }
:root {
  --bg: #14181d;
  --bg-card: #1d232b;
  --bg-card-2: #232a33;
  --text: #e4e8ed;
  --text-dim: #8a94a3;
  --border: #2c343e;
  --green: #35b38a;
  --gold: #d1a13a;
  --purple: #a870d6;
  --blue: #5c8de0;
  --red: #e0715c;
}
body {
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  margin: 0;
  color: var(--text);
}
.topbar {
  background: #182821;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  padding: 14px 20px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px;
}
.topbar h1 { margin: 0; font-size: 1.3rem; color: var(--green); }
.topbar nav a { color: var(--text); text-decoration: none; margin-left: 16px; font-size: 0.9rem; opacity: 0.85; }
.topbar nav a:hover { opacity: 1; color: var(--green); }
main { max-width: 1000px; margin: 0 auto; padding: 16px; }

.flash-wrap { margin-bottom: 12px; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 8px; }
.flash-error { background: #3a1f1c; color: #f2a89a; border: 1px solid #5a2e28; }
.flash-success { background: #1c3327; color: #8fd9b6; border: 1px solid #2b4d3c; }

.date-picker { margin-bottom: 16px; display: flex; align-items: center; gap: 12px; }
.date-picker input { padding: 6px 8px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg-card); color: var(--text); }
.btn-link { color: var(--green); text-decoration: none; font-size: 0.9rem; }

.balances { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 10px; margin-bottom: 14px; }
.balance-card {
  background: var(--bg-card); border-radius: 10px; padding: 12px 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  border-left: 4px solid var(--green);
}
.balance-card.online { border-left-color: var(--gold); }
.balance-card.bank { border-left-color: var(--blue); }
.balance-card.credit { border-left-color: var(--purple); }
.balance-card.sales { border-left-color: var(--text); }
.balance-card .label { display: block; font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .03em; }
.balance-card .value { display: block; font-size: 1.25rem; font-weight: 700; margin-top: 4px; color: var(--text); }

.forms-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 14px; margin-bottom: 20px; }
.card { background: var(--bg-card); border-radius: 10px; padding: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.3); border: 1px solid var(--border); }
.card h2 { margin: 0 0 10px; font-size: 1rem; color: var(--text); }
.card h2 .tag { font-size: 0.7rem; font-weight: 400; background: var(--bg-card-2); color: var(--text-dim); padding: 2px 8px; border-radius: 10px; margin-left: 6px; }

.inline-form { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.inline-form input, .inline-form select {
  padding: 7px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 0.88rem; flex: 1; min-width: 80px;
  background: var(--bg-card-2); color: var(--text);
}
.inline-form button { flex-shrink: 0; }

.stacked-form label { display: block; font-size: 0.82rem; color: var(--text-dim); margin-bottom: 10px; }
.stacked-form input {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 6px; font-size: 0.95rem;
  background: var(--bg-card-2); color: var(--text);
}

.mini-list { list-style: none; margin: 0 0 8px; padding: 0; max-height: 180px; overflow-y: auto; }
.mini-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; color: var(--text);
}
.mini-list .tag {
  font-size: 0.7rem; background: var(--bg-card-2); color: var(--text-dim); padding: 2px 6px; border-radius: 10px; margin-left: 6px;
}
.del-form { display: inline; }
.card-total { font-size: 0.85rem; font-weight: 600; color: var(--text-dim); padding-top: 6px; }

.btn { border: none; padding: 9px 16px; border-radius: 6px; cursor: pointer; font-weight: 600; color: white; background: #445; }
.btn-expense { background: var(--red); }
.btn-credit { background: var(--purple); }
.btn-repay { background: var(--blue); }
.btn-bankexp { background: #5a6472; }
.btn-del { background: none; border: none; color: var(--red); cursor: pointer; font-size: 0.9rem; padding: 0 4px; }

.totals-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr));
  gap: 10px; margin-bottom: 20px;
}
.totals-strip div { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; text-align: center; }
.totals-strip span { display: block; font-size: 0.72rem; color: var(--text-dim); }
.totals-strip strong { font-size: 1.05rem; color: var(--text); }

.settings { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; }
.settings summary { cursor: pointer; font-weight: 600; font-size: 0.9rem; color: var(--text); }
.settings form { margin-top: 12px; display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end; }
.settings label { font-size: 0.82rem; color: var(--text-dim); }
.settings input { display: block; margin-top: 4px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-card-2); color: var(--text); }

canvas { max-height: 280px; }

/* Desktop is the primary target; mobile below is tuned for comfortable
   READING (balances, lists, charts) — entry forms remain usable but are
   not the optimization priority on small screens, per requirements. */
@media (max-width: 700px) {
  main { padding: 10px; }
  .topbar { padding: 12px 14px; }
  .balances { grid-template-columns: repeat(2, 1fr); }
  .balance-card .value { font-size: 1.05rem; }
  .forms-grid { grid-template-columns: 1fr; }
  .totals-strip { grid-template-columns: repeat(2, 1fr); }
  table, canvas { max-width: 100%; }
}

@media (max-width: 480px) {
  .inline-form input, .inline-form select { min-width: 100%; }
  .balances { grid-template-columns: 1fr 1fr; }
}