:root {
  /* Peaceful, low-stress palette: warm neutrals + sage + dusty sky.
     Overspending uses muted clay, never an alarming red. */
  --bg: #eef1ec;         /* soft eucalyptus mist */
  --panel: #fafbf8;      /* warm near-white */
  --panel-2: #eef2ee;    /* faint sage */
  --line: #dde3dc;       /* gentle border */
  --text: #46514b;       /* soft slate-green, easy on the eyes */
  --muted: #8b958e;      /* muted sage gray */
  --accent: #8fa898;     /* calm sage green */
  --accent-soft: #dde8e0;
  --accent-2: #8fb0c2;   /* dusty sky blue */
  --neg: #c08e80;        /* muted clay (gentle, not alarming) */
  --pos: #8aa890;        /* soft green */
  --on-accent: #2f3b35;  /* readable deep text for soft buttons */
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
h1, h2, h3 { margin: 0; font-weight: 600; }
.muted { color: var(--muted); font-size: 12px; }
.error { color: var(--neg); }
.num { text-align: right; }
.neg { color: var(--neg); }
.pos { color: var(--pos); }
a { color: var(--accent-2); text-decoration: none; }

/* ---------- login ---------- */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  background: var(--panel); padding: 32px; border-radius: var(--radius);
  width: 320px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px;
}
.login-card h1 { font-size: 24px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.login-card input {
  background: var(--bg); border: 1px solid var(--line); color: var(--text);
  padding: 10px; border-radius: 6px;
}
button {
  cursor: pointer; border: none; border-radius: 8px; padding: 10px 14px;
  background: var(--accent); color: var(--on-accent); font-weight: 600;
}
button:disabled { opacity: .6; cursor: default; }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }
.btn-small { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); padding: 6px 10px; font-size: 12px; }
.btn-icon { background: none; color: var(--muted); padding: 2px 8px; font-size: 16px; }
.btn-icon:hover { color: var(--text); }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 20px; padding: 10px 20px;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; }
.topnav { display: flex; gap: 16px; }
.topnav a { color: var(--text); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

main { padding: 20px; max-width: 1200px; margin: 0 auto; }

/* ---------- cards ---------- */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }

/* ---------- month switcher + summary ---------- */
.month-switcher { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 16px; }
.month-switcher h2 { min-width: 200px; text-align: center; }
.summary-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.summary-cell {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; display: flex; flex-direction: column; gap: 4px;
}
.summary-label { color: var(--muted); font-size: 12px; }
.summary-val { font-size: 20px; font-weight: 700; }
.summary-cell.is-zero { border-color: var(--accent); }
.summary-cell.is-zero .summary-val { color: var(--accent); }
.summary-cell.is-over { border-color: var(--neg); }
.summary-cell.is-over .summary-val { color: var(--neg); }

/* ---------- layout columns ---------- */
.budget-columns { display: grid; grid-template-columns: 1fr 360px; gap: 16px; align-items: start; }
@media (max-width: 900px) { .budget-columns { grid-template-columns: 1fr; } .summary-bar { grid-template-columns: 1fr 1fr; } }

/* ---------- line tables ---------- */
table.lines { width: 100%; border-collapse: collapse; }
table.lines th { text-align: left; color: var(--muted); font-weight: 500; font-size: 11px; padding: 4px 6px; border-bottom: 1px solid var(--line); }
table.lines th.num { text-align: right; }
table.lines td { padding: 4px 6px; border-bottom: 1px solid var(--line); }
.inp-num, .inp-text {
  background: var(--bg); border: 1px solid transparent; color: var(--text);
  padding: 5px 6px; border-radius: 5px; width: 100%;
}
.inp-num { text-align: right; max-width: 110px; }
.inp-num:focus, .inp-text:focus { border-color: var(--accent-2); outline: none; }
.group-totals { font-size: 12px; }
.cat-name { cursor: pointer; border-bottom: 1px dotted transparent; }
.cat-name:hover { border-bottom-color: var(--muted); }
.row-actions { white-space: nowrap; text-align: right; }
.row-actions .btn-icon { padding: 2px 5px; font-size: 13px; }
.row-unbudgeted { background: rgba(192, 142, 128, .15); }
.tag-unbudgeted {
  margin-left: 6px; font-size: 10px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--neg); border: 1px solid var(--neg); border-radius: 4px; padding: 1px 5px;
}

/* ---------- transactions ---------- */
.tabs { display: flex; gap: 4px; margin-bottom: 10px; }
.tab { background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.tab.active { background: var(--accent-2); color: var(--on-accent); border-color: var(--accent-2); }
.txn-list { display: flex; flex-direction: column; gap: 8px; max-height: 70vh; overflow-y: auto; }
.txn { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.txn-top { display: flex; justify-content: space-between; gap: 8px; }
.txn-desc { font-weight: 500; }
.txn-amt { font-weight: 700; white-space: nowrap; }
.txn-meta { margin: 2px 0 6px; }
.txn-assign { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 5px; padding: 5px; }
.txn-empty { padding: 20px; text-align: center; }

/* ---------- accounts ---------- */
.accounts-list { display: flex; flex-direction: column; gap: 10px; }
.account-row { display: flex; justify-content: space-between; align-items: center; background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; }
.account-name { font-weight: 600; }
.account-bal { text-align: right; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: var(--on-accent); padding: 10px 18px; border-radius: 10px;
  box-shadow: 0 6px 20px rgba(70,81,75,.16); z-index: 100; font-weight: 500;
}
.toast-error { background: var(--neg); color: #fff; }