/* ING5SD - CC Project */

/* Colours (light mode) */
:root {
  --page: #f5f7fa;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #5f6b7a;
  --border: #dde3ea;
  --accent: #3b5bdb;
  --accent-hover: #2f4ac0;
  --accent-text: #ffffff;
  --soft: #e7ebf7;
  --soft-text: #1e2a4a;
  --header: #1e2a4a;
  --good-bg: #e3f6e8;
  --good-text: #1d6b35;
  --bad-bg: #fdecec;
  --bad-text: #a12626;
  --warn-bg: #fff6e0;
  --warn-text: #7a5300;
  --danger: #c92a2a;
}

/* Dark mode: picked with the button, or the computer's setting when nothing was picked.
   The same colours are written twice, once for each case. */
:root[data-theme="dark"] {
  --page: #11161f;
  --card: #1a2130;
  --text: #e4e8ee;
  --muted: #9aa5b4;
  --border: #2c3546;
  --accent: #7c95f5;
  --accent-hover: #93a8f8;
  --accent-text: #0e1320;
  --soft: #263052;
  --soft-text: #d9e0ff;
  --header: #0b0f17;
  --good-bg: #173523;
  --good-text: #8fe0a8;
  --bad-bg: #3d1c1c;
  --bad-text: #ffb3b3;
  --warn-bg: #3a2e12;
  --warn-text: #f5d58a;
  --danger: #e05656;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #11161f;
    --card: #1a2130;
    --text: #e4e8ee;
    --muted: #9aa5b4;
    --border: #2c3546;
    --accent: #7c95f5;
    --accent-hover: #93a8f8;
    --accent-text: #0e1320;
    --soft: #263052;
    --soft-text: #d9e0ff;
    --header: #0b0f17;
    --good-bg: #173523;
    --good-text: #8fe0a8;
    --bad-bg: #3d1c1c;
    --bad-text: #ffb3b3;
    --warn-bg: #3a2e12;
    --warn-text: #f5d58a;
    --danger: #e05656;
  }
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: var(--text);
  background: var(--page);
}

a { color: var(--accent); }
h1 { margin-top: 0; }

/* Header and menu */
header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 12px 24px;
  background: var(--header);
}
header a, header .signed-in, header button.link { color: #fff; text-decoration: none; }
header .brand { font-weight: 700; font-size: 1.1rem; }
header nav { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; }
header .signed-in { opacity: 0.7; font-size: 0.9rem; }
.theme-button, .menu-button {
  padding: 2px 10px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  font-size: 0.85rem;
}
.theme-button:hover, .menu-button:hover { background: rgba(255, 255, 255, 0.1); }
.menu-button { display: none; }

/* On a phone the links are hidden behind the Menu button */
@media (max-width: 700px) {
  header { padding: 12px 16px; }
  .menu-button { display: inline-block; }
  header nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; }
  header nav.open { display: flex; }
}

main { max-width: 1000px; margin: 0 auto; padding: 24px 16px 48px; }

footer {
  text-align: center;
  padding: 16px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

/* Messages */
.toast {
  position: fixed;
  top: 16px;
  right: 16px;
  left: auto;
  z-index: 10;
  display: flex;
  gap: 12px;
  align-items: center;
  max-width: min(420px, calc(100% - 32px));
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--good-bg);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.flash { margin: 0; color: var(--good-text); }
.toast-close { padding: 0 4px; background: none; color: var(--good-text); font-size: 1.2rem; }
.toast-close:hover { background: none; }
.error { padding: 10px 14px; border-radius: 6px; background: var(--bad-bg); color: var(--bad-text); }
.note { padding: 10px 14px; border-radius: 6px; background: var(--warn-bg); color: var(--warn-text); }
.empty { padding: 32px; text-align: center; color: var(--muted); background: var(--card); border: 1px dashed var(--border); border-radius: 8px; }
.muted, .meta { color: var(--muted); }
.meta { font-size: 0.9rem; }

/* Buttons */
button, .button {
  display: inline-block;
  padding: 8px 16px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}
button:hover, .button:hover { background: var(--accent-hover); }
button.light, .button.light { background: var(--soft); color: var(--soft-text); }
button.danger { background: var(--danger); color: #fff; }
button.link { background: none; padding: 0; text-decoration: underline; }
button:disabled { opacity: 0.5; cursor: default; }
form.inline { display: inline; }
.actions { margin-top: 24px; display: flex; gap: 8px; flex-wrap: wrap; }
.page-title { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }

/* Forms */
.form { display: grid; gap: 12px; max-width: 520px; }
.form label { display: grid; gap: 4px; font-weight: 600; }
.form label.choice { display: block; font-weight: normal; }
input, select, textarea {
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  color: var(--text);
  background: var(--card);
}
fieldset { border: 1px solid var(--border); border-radius: 6px; }

/* Home page */
.banner {
  padding: 28px;
  border-radius: 12px;
  background: linear-gradient(120deg, #1e2a4a, #3b5bdb);
  color: #fff;
}
.banner .button { background: #fff; color: #1e2a4a; }
.banner .button.light { background: rgba(255, 255, 255, 0.15); color: #fff; }
.banner .stats { opacity: 0.85; margin-bottom: 0; }
.search { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.search input { flex: 1 1 240px; }

/* Dataset cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card { padding: 16px; background: var(--card); border: 1px solid var(--border); border-radius: 8px; }
.card h3 { margin: 0 0 4px; font-size: 1.05rem; }
.card .description {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0;
}
.tag { display: inline-block; padding: 1px 8px; border-radius: 10px; background: var(--soft); color: var(--soft-text); font-size: 0.8rem; }
.tag.private { background: var(--bad-bg); color: var(--bad-text); }
.tag.sample { background: var(--warn-bg); color: var(--warn-text); }

/* Figures in boxes (My datasets, admin page, dashboards) */
.figures { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0; }
.figures div { flex: 1 1 140px; padding: 12px; background: var(--card); border: 1px solid var(--border); border-radius: 8px; }
.figures strong { display: block; font-size: 1.5rem; }

/* Tables */
table { border-collapse: collapse; }
.scroll { overflow-x: auto; }
.details th { text-align: left; padding: 6px 16px 6px 0; color: var(--muted); font-weight: 600; }
.details td { padding: 6px 0; overflow-wrap: anywhere; }
.list, .preview { width: 100%; font-size: 0.9rem; background: var(--card); }
.list th, .list td, .preview th, .preview td { padding: 6px 10px; border: 1px solid var(--border); text-align: left; }
.preview th, .preview td { white-space: nowrap; }
.list th, .preview th { background: var(--soft); color: var(--soft-text); }
.bulk-buttons { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px; }

/* Profile */
.profile { display: flex; gap: 20px; align-items: flex-start; }
.avatar {
  flex: none;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 1.8rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

/* Upload (Part 2) */
.upload { display: grid; gap: 8px; margin-top: 16px; max-width: 520px; }
.drop-zone {
  display: block;
  padding: 24px;
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: 8px;
  background: var(--card);
  cursor: pointer;
}
.drop-zone.over { border-color: var(--accent); }
.upload progress { width: 100%; }

/* Charts (admin page in Part 2, dashboards in Part 3) */
.charts { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.chart { padding: 12px; background: var(--card); border: 1px solid var(--border); border-radius: 8px; }
.chart h3 { margin: 0 0 8px; font-size: 0.95rem; }
.chart-area { position: relative; height: 220px; }

/* Dashboard findings (Part 3) */
.findings { padding-left: 0; list-style: none; }
.findings li { padding: 8px 12px; margin-bottom: 6px; background: var(--card); border-left: 4px solid var(--accent); border-radius: 4px; }
.findings li.quality { border-color: var(--danger); }
.findings li.trend { border-color: #2b8a3e; }