:root {
  color-scheme: light;
  --bg: #f3efe6;
  --paper: #fffdf8;
  --ink: #1f1a14;
  --muted: #6d6458;
  --line: #e3d9cc;
  --accent: #0f6e56;
  --accent-soft: #e5f4ef;
  --low: #9a3412;
  --high: #9a6700;
  --very-high: #9f1239;
  --ok: #166534;
  --shadow: 0 10px 30px rgba(70, 48, 20, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(15, 110, 86, 0.08), transparent 32rem),
    var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  line-height: 1.45;
}

.top {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-end;
  padding: 1.25rem 6vw 1rem;
  background: rgba(243, 239, 230, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0.1rem 0 0;
  font-size: 1.8rem;
  font-weight: 650;
  letter-spacing: -0.03em;
}

.menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem 1rem;
  align-items: end;
}

.range-form,
.day-form,
.days {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

label,
.day-label {
  color: var(--muted);
  font-size: 0.92rem;
}

select,
input[type="date"],
.day-btn {
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}

select,
input[type="date"] {
  padding: 0 0.9rem;
}

select {
  min-width: 11rem;
  cursor: pointer;
}

.day-label {
  color: var(--ink);
  font-weight: 650;
}

.day-btn {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  text-decoration: none;
}

.day-btn:hover,
select:hover,
input[type="date"]:hover {
  border-color: var(--accent);
}

.day-btn.is-disabled {
  color: #b7ad9f;
}

.logout {
  align-self: center;
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.logout:hover {
  color: var(--accent);
}

.login-card {
  width: min(420px, calc(100% - 8vw));
  margin: 12vh auto 2rem;
  padding: 1.5rem 1.4rem 1.6rem;
  border-radius: 18px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin-bottom: 1rem;
}

.login-card form {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.7rem;
}

.login-card input[type="password"] {
  height: 2.7rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 0.9rem;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.login-card button {
  height: 2.7rem;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.login-card button:hover {
  filter: brightness(1.05);
}

main {
  width: min(980px, calc(100% - 8vw));
  margin: 1.5rem auto 2rem;
}

.summary,
.empty,
.error {
  margin: 0 0 1rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.error {
  color: var(--very-high);
  background: #fff1f2;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

th,
td {
  padding: 0.75rem 1rem;
  text-align: left;
  white-space: nowrap;
}

th {
  position: sticky;
  top: 0;
  background: #f7f3eb;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

tbody tr + tr td {
  border-top: 1px solid var(--line);
}

.value {
  font-weight: 700;
}

.value.ok {
  color: var(--ok);
}

.value.low {
  color: var(--low);
}

.value.high {
  color: var(--high);
}

.value.very-high {
  color: var(--very-high);
}

footer {
  width: min(980px, calc(100% - 8vw));
  margin: 0 auto 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .top {
    align-items: stretch;
    flex-direction: column;
  }

  .menu,
  .days,
  .day-form {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}