/* style.css — Pool Monitor */

:root {
  --ink:        #16232b;
  --ink-soft:   #5b6f7a;
  --rule:       #d2dde2;
  --paper:      #f7f9fa;
  --card:       #ffffff;
  --water:      #1d7a8c;
  --water-deep: #12525e;
  --band:       #e3f1f0;
  --warn:       #b3541e;
  --warn-bg:    #fdf1e7;
  --good:       #2f6f4e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 "Source Sans 3", "Segoe UI", system-ui, sans-serif;
}

a { color: var(--water-deep); }

header.bar {
  background: var(--water-deep);
  color: #fff;
  padding: .85rem 1.25rem;
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
}
header.bar h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .01em;
}
header.bar nav { margin-left: auto; display: flex; gap: 1rem; }
header.bar nav a { color: #bfe0e6; text-decoration: none; }
header.bar nav a:hover,
header.bar nav a.on { color: #fff; text-decoration: underline; }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 .35rem;
}
.sub { color: var(--ink-soft); margin: 0 0 1.5rem; }

.flash {
  background: var(--band);
  border-left: 3px solid var(--water);
  padding: .7rem 1rem;
  margin-bottom: 1.25rem;
  border-radius: 0 3px 3px 0;
}

.empty {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--ink-soft);
}

/* ---- pending review card ---- */

.review {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  margin-bottom: 2rem;
  overflow: hidden;
}
.review > header {
  padding: .9rem 1.15rem;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: .9rem;
  flex-wrap: wrap;
}
.review > header .who { font-weight: 600; }
.review > header .meta { color: var(--ink-soft); font-size: .9rem; }

.split { display: flex; gap: 0; align-items: stretch; }
.split .shot {
  flex: 0 0 42%;
  border-right: 1px solid var(--rule);
  background: #eef2f4;
  padding: 1rem;
}
.split .shot img {
  width: 100%;
  border-radius: 3px;
  display: block;
}
.split .shot a { display: block; }
.split .fields { flex: 1; padding: 1rem 1.15rem; }

@media (max-width: 760px) {
  .split { flex-direction: column; }
  .split .shot { flex: none; border-right: 0; border-bottom: 1px solid var(--rule); }
}

/* ---- metric grid ---- */

.grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .3rem .75rem;
  align-items: center;
  margin-bottom: 1rem;
}
.grid label { font-size: .95rem; }
.grid .ideal { color: var(--ink-soft); font-size: .8rem; }
.grid input[type=number] {
  width: 8rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

input, select, textarea {
  font: inherit;
  color: inherit;
  padding: .38rem .5rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--water);
  outline-offset: 1px;
  border-color: var(--water);
}
textarea { width: 100%; resize: vertical; }

.out { background: var(--warn-bg); border-color: #e0b795; }

.row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.row > div { display: flex; flex-direction: column; gap: .2rem; }
.row label { font-size: .85rem; color: var(--ink-soft); }

.flags {
  background: var(--warn-bg);
  border-left: 3px solid var(--warn);
  padding: .6rem .85rem;
  margin-bottom: 1rem;
  font-size: .92rem;
  border-radius: 0 3px 3px 0;
}
.flags ul { margin: .25rem 0 0; padding-left: 1.1rem; }

.actions { display: flex; gap: .6rem; align-items: center; padding-top: .35rem; }

button {
  font: inherit;
  padding: .5rem 1.1rem;
  border-radius: 3px;
  border: 1px solid var(--water-deep);
  background: var(--water-deep);
  color: #fff;
  cursor: pointer;
}
button:hover { background: var(--water); border-color: var(--water); }
button.ghost {
  background: #fff;
  color: var(--warn);
  border-color: #ddc3ae;
}
button.ghost:hover { background: var(--warn-bg); }

/* ---- tables ---- */

table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
}
table.data th, table.data td {
  padding: .5rem .7rem;
  border-bottom: 1px solid var(--rule);
  text-align: right;
  font-size: .92rem;
}
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data thead th {
  background: #edf3f5;
  font-weight: 600;
  color: var(--ink-soft);
  font-size: .82rem;
}
table.data tbody tr:last-child td { border-bottom: 0; }
table.data td.flagged { background: var(--warn-bg); color: var(--warn); }

/* ---- login ---- */

.login {
  max-width: 22rem;
  margin: 5rem auto;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.75rem;
}
.login h1 { font-size: 1.15rem; margin: 0 0 1.25rem; }
.login label { display: block; font-size: .85rem; color: var(--ink-soft); margin-bottom: .2rem; }
.login input { width: 100%; margin-bottom: 1rem; }
.login button { width: 100%; }
.login .err { color: var(--warn); font-size: .9rem; margin-bottom: 1rem; }

fieldset {
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1rem 1.15rem 1.15rem;
  margin: 0 0 1.5rem;
  background: var(--card);
}
legend { padding: 0 .4rem; font-weight: 600; font-size: .95rem; }