/* Evan's Budget — palette per reference dataviz palette (light/dark) */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11,11,11,0.10);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --s1:#2a78d6; --s2:#eb6834; --s3:#1baf7a; --s4:#eda100;
  --s5:#e87ba4; --s6:#008300; --s7:#4a3aa7; --s8:#e34948;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(11,11,11,0.06), 0 4px 16px rgba(11,11,11,0.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page:#0d0d0d; --surface:#1a1a19; --ink:#ffffff; --ink-2:#c3c2b7;
    --muted:#898781; --grid:#2c2c2a; --baseline:#383835;
    --border: rgba(255,255,255,0.10);
    --accent:#3987e5; --good-text:#0ca30c;
    --s1:#3987e5; --s2:#d95926; --s3:#199e70; --s4:#c98500;
    --s5:#d55181; --s6:#008300; --s7:#9085e9; --s8:#e66767;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page); color: var(--ink);
  font-size: 15px; line-height: 1.45;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.error { color: var(--critical); font-size: 13.5px; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 10px; }
a { color: var(--accent); text-decoration: none; }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: 20px;
}
.login-card {
  width: 100%; max-width: 360px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 16px; padding: 32px 28px;
  box-shadow: var(--shadow); text-align: center;
}
.login-logo {
  width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 14px;
  background: var(--accent); color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 20px;
}
.login-card form { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
#login-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }

/* ---------- Inputs & buttons ---------- */
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--page);
  border: 1px solid var(--baseline); border-radius: 9px; padding: 9px 12px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
label { font-size: 12.5px; color: var(--ink-2); display: block; margin-bottom: 4px; }
.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 9px; padding: 9px 16px; border: 1px solid var(--border);
  background: var(--surface); color: var(--ink);
}
.btn:hover { border-color: var(--baseline); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--critical); border-color: var(--critical); background: transparent; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.wide { width: 100%; }

/* ---------- App shell ---------- */
.app { display: grid; grid-template-columns: 200px 1fr; min-height: 100dvh; }
.sidebar {
  padding: 22px 14px; border-right: 1px solid var(--grid);
  display: flex; flex-direction: column; gap: 2px; position: sticky; top: 0; height: 100dvh;
}
.sidebar .brand { font-weight: 800; font-size: 17px; line-height: 1.2; margin-bottom: 18px; padding: 0 10px; }
.sidebar a {
  color: var(--ink-2); padding: 8px 10px; border-radius: 8px; font-weight: 500;
}
.sidebar a:hover { background: var(--surface); color: var(--ink); }
.sidebar a.active { background: var(--surface); color: var(--ink); font-weight: 700; box-shadow: inset 2px 0 0 var(--accent); }
.view { padding: 26px 30px 90px; max-width: 1060px; width: 100%; margin: 0 auto; }

.tabbar { display: none; }
@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .view { padding: 18px 14px 90px; }
  .tabbar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--surface); border-top: 1px solid var(--grid);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    justify-content: space-around; z-index: 40;
  }
  .tabbar a { color: var(--muted); font-size: 12px; font-weight: 600; padding: 8px 10px; border-radius: 8px; }
  .tabbar a.active { color: var(--accent); }
}

/* ---------- Cards & layout ---------- */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
}
.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

/* Stat tiles */
.stat .label { font-size: 12.5px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 2px; }
.stat .delta { font-size: 12.5px; margin-top: 2px; }
.delta.up { color: var(--good-text); }
.delta.down { color: var(--critical); }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; padding: 8px 10px; border-bottom: 1px solid var(--grid); }
td { padding: 9px 10px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
tr:hover td { background: color-mix(in srgb, var(--accent) 4%, transparent); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.amount-neg { color: var(--ink); }
.amount-pos { color: var(--good-text); font-weight: 600; }

.cat-chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600;
  padding: 3px 9px; border-radius: 99px; border: 1px solid var(--border); cursor: pointer;
  background: var(--page); color: var(--ink-2); white-space: nowrap;
}
.cat-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.pill { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 99px; }
.pill.pending { background: color-mix(in srgb, var(--warning) 20%, transparent); color: var(--ink-2); }

/* ---------- Charts ---------- */
.chart-wrap { position: relative; }
.chart-tip {
  position: absolute; pointer-events: none; z-index: 30;
  background: var(--ink); color: var(--page); font-size: 12.5px;
  padding: 6px 9px; border-radius: 7px; white-space: nowrap;
  transform: translate(-50%, -110%); opacity: 0; transition: opacity .08s;
}
.chart-tip.show { opacity: 1; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; font-size: 12.5px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }

/* Budget progress */
.bar-track { height: 8px; border-radius: 99px; background: var(--grid); overflow: hidden; }
.bar-fill { height: 100%; border-radius: 99px; background: var(--accent); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal {
  background: var(--surface); border-radius: 16px; width: 100%; max-width: 440px;
  max-height: 90dvh; overflow: auto; padding: 22px;
  border: 1px solid var(--border);
}
.modal h2 { margin-bottom: 14px; }
.modal .form-row { margin-bottom: 12px; }
.modal .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 84px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--page); padding: 10px 18px; border-radius: 99px;
  font-size: 14px; font-weight: 600; z-index: 90; box-shadow: var(--shadow);
}

/* ---------- Filter row ---------- */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; align-items: center; }
.filters input, .filters select { width: auto; }
.filters input[type="search"] { min-width: 180px; }

/* misc */
.row-flex { display: flex; align-items: center; gap: 10px; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.mt { margin-top: 14px; }
.section-gap { margin-top: 22px; }
.empty { text-align: center; color: var(--muted); padding: 34px 10px; }