:root {
  --bg: #0f172a;
  --card: #1e293b;
  --card-2: #273449;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --good: #34d399;
  --bad: #f87171;
  --radius: 16px;
}

* { box-sizing: border-box; }

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

.screen {
  min-height: 100dvh;
  padding: env(safe-area-inset-top) 16px 24px;
}
.hidden { display: none !important; }

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
}

.muted { color: var(--muted); }
.center { text-align: center; }
.small { font-size: 12px; }
.error { color: var(--bad); min-height: 18px; margin: 6px 0 0; }

/* Login */
.login-card {
  max-width: 360px;
  margin: 22dvh auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
}
.login-card h1 { margin: 0; font-size: 34px; letter-spacing: 1px; }

input, button {
  font-size: 16px;
  border-radius: 12px;
  border: none;
  padding: 14px 16px;
}
input {
  background: var(--card-2);
  color: var(--text);
  outline: none;
}
button {
  background: var(--accent);
  color: #06283d;
  font-weight: 700;
  cursor: pointer;
}
button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--card-2);
  font-weight: 600;
}

/* Dashboard */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0 16px;
}
.topbar .ghost { font-size: 22px; padding: 6px 18px; }
.date-label { font-weight: 700; font-size: 16px; text-transform: capitalize; }

main { display: flex; flex-direction: column; gap: 14px; }

.hero {
  background: linear-gradient(160deg, #1e293b, #0b3a4a);
  text-align: center;
  padding: 26px 18px;
}
.hero-balance { display: flex; align-items: baseline; justify-content: center; gap: 8px; }
.hero-value { font-size: 52px; font-weight: 800; line-height: 1; }
.hero-value.good { color: var(--good); }
.hero-value.bad { color: var(--bad); }
.hero-unit { color: var(--muted); font-size: 18px; }
.hero-caption { color: var(--muted); margin-top: 6px; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.metric-label { color: var(--muted); font-size: 13px; }
.metric-value { font-size: 26px; font-weight: 700; margin-top: 4px; }
.metric-value small { color: var(--muted); font-size: 13px; font-weight: 500; }

.macros { display: flex; justify-content: space-around; text-align: center; }
.macro { display: flex; flex-direction: column; gap: 2px; }
.macro-k { font-size: 22px; font-weight: 700; }
.macro-k::after { content: " g"; font-size: 12px; color: var(--muted); font-weight: 500; }
.macro-l { color: var(--muted); font-size: 12px; }

.actions { display: flex; gap: 10px; margin-top: 4px; }
.actions button { flex: 1; }

#status { min-height: 18px; }

/* Multi-view + tab bar */
#app { padding-bottom: 76px; }
.view { display: flex; flex-direction: column; gap: 14px; }
.view-title { margin: 4px 0 0; font-size: 22px; }
.hero-target { margin-top: 8px; font-size: 13px; }

.tabbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: flex;
  background: #111c30;
  border-top: 1px solid var(--card-2);
  padding-bottom: env(safe-area-inset-bottom);
}
.tab {
  flex: 1;
  background: transparent;
  color: var(--muted);
  border-radius: 0;
  font-weight: 600;
  padding: 14px 0;
}
.tab.active { color: var(--accent); }

/* Lines, separators, rows */
.sep { border: none; border-top: 1px solid var(--card-2); margin: 14px 0; }
.line { display: flex; justify-content: space-between; padding: 6px 0; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.row-between select { background: var(--card-2); color: var(--text); border: none; border-radius: 8px; padding: 8px; }
.row-between button { flex: 0 0 auto; padding: 12px 16px; }

/* Weekly table */
.table-card { padding: 6px 12px; }
table.weeks { width: 100%; border-collapse: collapse; font-size: 14px; }
table.weeks th { text-align: right; color: var(--muted); font-weight: 600; padding: 8px 6px; }
table.weeks th:first-child, table.weeks td:first-child { text-align: left; }
table.weeks td { text-align: right; padding: 8px 6px; border-top: 1px solid var(--card-2); }
table.weeks td.good { color: var(--good); }
table.weeks td.warn { color: #fbbf24; }
table.weeks td.bad { color: var(--bad); }

/* Forms */
.form { display: flex; flex-direction: column; gap: 10px; }
.form label { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 14px; }
.form label input { width: 110px; text-align: right; padding: 10px; }
.form label input.inline { width: 80px; }
.form label.checkbox { justify-content: flex-start; gap: 8px; }
.form label.checkbox input { width: auto; }
button.full { width: 100%; margin-top: 8px; }

.good { color: var(--good); }
.warn { color: #fbbf24; }
.bad { color: var(--bad); }