/* Scales: spacing 4 8 12 16 24 32 48 64; type 12 14 16 18 20 24 30; one radius. */
:root {
  /* Quantum's own colours: brand blue #1774bb = --blue-600, near-black text #0c1318 = --grey-900 */
  --grey-50: hsl(210, 20%, 98%); --grey-100: hsl(210, 18%, 95%); --grey-200: hsl(210, 14%, 89%);
  --grey-300: hsl(210, 10%, 80%); --grey-500: hsl(210, 7%, 44%); --grey-600: hsl(210, 8%, 36%);
  --grey-700: hsl(210, 12%, 26%); --grey-900: hsl(204, 33%, 7%);
  --blue-50: hsl(206, 70%, 96%); --blue-100: hsl(206, 66%, 90%); --blue-600: hsl(206, 78%, 41%);
  --blue-700: hsl(206, 80%, 34%); --blue-900: hsl(208, 80%, 18%);
  --green-50: hsl(150, 50%, 95%); --green-900: hsl(152, 70%, 18%);
  --red-50: hsl(356, 70%, 96%); --red-700: hsl(356, 62%, 38%);
  --amber-50: hsl(42, 90%, 94%); --amber-800: hsl(32, 80%, 27%);
  --radius: 8px;
  --shadow-1: 0 1px 2px hsla(210, 30%, 10%, .06), 0 1px 3px hsla(210, 30%, 10%, .08);
  --shadow-2: 0 2px 4px hsla(210, 30%, 10%, .06), 0 6px 16px hsla(210, 30%, 10%, .10);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  font-family: "Mulish", "Muli", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--grey-100); color: var(--grey-900); font-size: 16px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--blue-700); text-underline-offset: 2px; }
h1, h2, h3, p { margin: 0; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }

/* Header */
.top { background: #fff; border-top: 4px solid var(--blue-600); box-shadow: var(--shadow-1); }
.top-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--grey-900); min-width: 0; }
.brand-mark { flex: none; width: 32px; height: 32px; }
h1, h2, .brand-name, .week-title, .card-title, .empty-title { font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
.brand-text { display: grid; min-width: 0; }
.brand-name { font-weight: 700; }
.brand-sub { font-size: 14px; color: var(--grey-600); }
.signout { display: flex; align-items: center; gap: 12px; flex: none; }
.who { color: var(--grey-600); font-size: 14px; }
main.wrap { padding-top: 32px; padding-bottom: 64px; }

/* Buttons */
button { font: inherit; font-weight: 600; cursor: pointer; border-radius: var(--radius); padding: 8px 16px; border: 1px solid transparent;
  transition: transform 120ms var(--ease-out), background-color 150ms ease, border-color 150ms ease; }
button:active:not(:disabled) { transform: scale(0.97); }
button:disabled { opacity: .4; cursor: default; }
button.small { padding: 4px 12px; font-size: 14px; }
:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 2px; }
.primary { background: var(--blue-600); color: #fff; box-shadow: var(--shadow-1); }
.primary:hover:not(:disabled) { background: var(--blue-700); }
.secondary { background: #fff; color: var(--grey-900); border-color: var(--grey-300); }
.secondary:hover:not(:disabled) { background: var(--grey-50); border-color: var(--grey-500); }
.link { background: none; border: 0; padding: 0; color: var(--blue-700); font-size: 14px; font-weight: 500; }

/* Tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 1px solid var(--grey-200); }
.tabs a { padding: 12px 16px; text-decoration: none; color: var(--grey-600); font-weight: 500; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { color: var(--grey-900); }
.tabs a[aria-current="page"] { color: var(--grey-900); border-bottom-color: var(--blue-600); font-weight: 600; }
.count { display: inline-block; min-width: 24px; padding: 0 8px; margin-left: 4px; border-radius: 12px; background: var(--grey-200);
  font-size: 12px; font-weight: 600; line-height: 20px; text-align: center; color: var(--grey-700); vertical-align: 1px; }
.tabs a[aria-current="page"] .count { background: var(--blue-100); color: var(--blue-900); }

.subtabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.subtabs a { padding: 4px 12px; border-radius: 16px; text-decoration: none; color: var(--grey-700); font-size: 14px;
  font-weight: 500; background: #fff; box-shadow: var(--shadow-1); }
.subtabs a:hover { color: var(--grey-900); }
.subtabs a[aria-current="page"] { background: var(--grey-900); color: #fff; font-weight: 600; }
.subtabs a[aria-current="page"] .count { background: hsla(0, 0%, 100%, .2); color: #fff; }

.subbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.subbar .subtabs { margin-top: 0; }
a.button { display: inline-block; text-decoration: none; font-weight: 600; border-radius: var(--radius); padding: 8px 16px; }
a.button.small { padding: 4px 12px; font-size: 14px; }
a.button.primary { color: #fff; }
a.button.primary:hover { background: var(--blue-700); }
.new-form .fields { display: grid; gap: 16px; max-width: 640px; }
.new-form label { display: grid; gap: 4px; font-weight: 600; font-size: 14px; color: var(--grey-700); }
.help, .optional { font-weight: 400; color: var(--grey-600); }
.choice { border: 0; padding: 0; margin: 0; display: flex; gap: 24px; flex-wrap: wrap; }
.choice legend { font-weight: 600; font-size: 14px; color: var(--grey-700); margin-bottom: 8px; padding: 0; }
.choice label { display: flex; align-items: center; gap: 8px; font-size: 16px; color: var(--grey-900); font-weight: 500; }
.choice input { width: auto; accent-color: var(--blue-600); }
.error p + p { margin-top: 4px; }

/* Weeks and cards */
.week { margin-top: 32px; }
.week-title { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.section { margin: 16px 0 8px; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--grey-600); }
.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.card { position: relative; display: grid; gap: 8px; padding: 16px 24px; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-1); transition: box-shadow 150ms ease; }

.card-title { font-size: 18px; line-height: 1.35; font-weight: 600; overflow-wrap: anywhere; }
.card-title a { color: var(--grey-900); text-decoration: none; }
.card-title a:hover { color: var(--blue-700); }
.stretched::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.card-pitch { color: var(--grey-700); max-width: 68ch; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--grey-100); }
.open { display: grid; gap: 4px; }
.open-link { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; color: var(--blue-700); text-decoration: none; }
.open-link:hover { text-decoration: underline; }
.open-link span { transition: transform 150ms var(--ease-out); }
.open-link:hover span { transform: translateX(2px); }
.hint { margin-top: 24px; padding: 12px 16px; background: var(--blue-50); color: var(--blue-900); border-radius: var(--radius); border-left: 4px solid var(--blue-600); }
.card-actions { position: relative; z-index: 1; display: flex; gap: 8px; }
.card-actions form { margin: 0; }
.meta { color: var(--grey-600); font-size: 14px; }

/* Tags and pills: always text, never colour alone */
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.tag { display: inline-block; font-size: 12px; font-weight: 600; line-height: 20px; padding: 0 8px; border-radius: 4px;
  background: var(--grey-100); color: var(--grey-700); }
.tag-ca { background: var(--red-50); color: var(--red-700); }
.tag-reg { background: var(--amber-50); color: var(--amber-800); }
.tag-source { background: #fff; border: 1px solid var(--grey-200); color: var(--grey-600); font-weight: 500; }
.pill { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 4px; font-size: 14px; font-weight: 600;
  padding: 4px 12px; border-radius: 16px; }
.pill-approved { background: var(--green-50); color: var(--green-900); }
.pill-rejected { background: var(--grey-200); color: var(--grey-900); }

/* Empty state */
.empty-state { margin-top: 48px; padding: 48px 24px; text-align: center; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-1); color: var(--grey-600); }
.empty-title { font-size: 18px; font-weight: 600; color: var(--grey-900); margin-bottom: 4px; }

/* Idea page */
.pager { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 16px; font-size: 14px; font-weight: 500; }
.pager a { text-decoration: none; }
.idea { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 32px; display: grid; gap: 16px; }
.kicker { color: var(--grey-600); font-size: 14px; font-weight: 500; }
h1 { font-size: 30px; line-height: 1.2; font-weight: 700; overflow-wrap: anywhere; }
.pitch { font-size: 18px; color: var(--grey-700); max-width: 68ch; }
.person-source { font-size: 14px; color: var(--grey-600); overflow-wrap: anywhere; }
.decision { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--grey-50); border-radius: var(--radius); }
.inline { display: inline; margin: 0; }
.decision-status { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.actions { display: flex; gap: 8px; }
.actions form { margin: 0; }
.block { margin-top: 16px; }
.block h2, .block-head h2 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.block-head form { margin: 0; }
.stories { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.story-title { font-weight: 500; }
.story-title a { color: var(--grey-900); }
.story-title a:hover { color: var(--blue-700); }
.story-url { font-size: 12px; color: var(--grey-500); overflow-wrap: anywhere; margin-top: 4px; }
.closest { padding: 16px; border-left: 4px solid var(--blue-600); background: var(--grey-50); border-radius: 0 var(--radius) var(--radius) 0; display: grid; gap: 4px; }
.closest .label { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--grey-600); }
.closest .note { color: var(--grey-700); font-size: 14px; margin-top: 4px; }
.outline-body { white-space: pre-wrap; overflow-wrap: anywhere; font-family: inherit; font-size: 16px; line-height: 1.6;
  background: var(--grey-50); border-radius: var(--radius); padding: 16px 24px; margin: 0; }
.notice { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: var(--blue-50); color: var(--blue-900); border-radius: var(--radius); }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--blue-100); border-top-color: var(--blue-600); animation: spin 700ms linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } * { transition: none !important; } }
.earlier { margin-top: 16px; }
.earlier summary { cursor: pointer; color: var(--grey-600); font-size: 14px; }
.earlier .outline-body { margin-top: 8px; }
.comment { padding: 12px 0; border-bottom: 1px solid var(--grey-100); }
.comment-head { display: flex; align-items: center; gap: 8px; }
.avatar { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--blue-100); color: var(--blue-900); font-size: 12px; font-weight: 700; }
.comment-body { margin: 4px 0 0 32px; white-space: pre-wrap; overflow-wrap: anywhere; }
.comment-form { display: grid; gap: 8px; margin-top: 16px; justify-items: start; }
textarea, input { font: inherit; width: 100%; padding: 8px 12px; border: 1px solid var(--grey-300); border-radius: var(--radius); background: #fff; color: var(--grey-900); }
textarea:focus, input:focus { border-color: var(--blue-600); outline: none; box-shadow: 0 0 0 3px var(--blue-100); }

/* Login */
.login { max-width: 384px; margin: 48px auto; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-2); padding: 32px; }
.login h1 { font-size: 24px; margin-bottom: 16px; }
.login form { display: grid; gap: 16px; }
.login label { display: grid; gap: 4px; font-size: 14px; font-weight: 600; color: var(--grey-700); }
.login .primary { padding: 12px 16px; }
.error { color: var(--red-700); background: var(--red-50); padding: 12px 16px; border-radius: var(--radius); }
.login .error { margin-bottom: 16px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (max-width: 640px) {
  .brand-sub { display: none; }
  .tabs { gap: 0; }
  .tabs a { padding: 12px 8px; }
  .card { padding: 16px; }
  .card-actions { width: 100%; }
  .card-actions form { flex: 1; }
  .card-actions button { width: 100%; }
  .idea { padding: 16px; }
  h1 { font-size: 24px; }
  .pitch { font-size: 16px; }
  .decision { flex-direction: column; align-items: stretch; }
  .actions form { flex: 1; }
  .actions button { width: 100%; }
  .outline-body { padding: 16px; }
}
@media (max-width: 360px) {
  .tabs a { font-size: 14px; padding: 12px 6px; }
  .count { margin-left: 2px; padding: 0 6px; min-width: 20px; }
}