/* =========================================================================
   Prescribe Go! Rails portal — mirrors web/public/styles.css design tokens.
   See web/DESIGN.md for the canonical design system.
   ========================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600;700&display=swap");

:root {
  /* ---- Prescribe Go! palette ---- */
  --c-primary:                #1b7a8a;          /* teal */
  --c-primary-strong:         #165b68;          /* hover/active */
  --c-on-primary:             #ffffff;
  --c-navy:                   #1a2b3f;          /* headlines, body text */
  --c-light-teal:             #e8f4f6;          /* card / icon-circle fill */
  --c-sage:                   #a8c89b;
  --c-warm-cream:             #f5efe7;

  --c-surface:                #ffffff;
  --c-surface-bright:         #ffffff;
  --c-surface-container-low:  #f7fafa;
  --c-surface-container:      #eef5f6;
  --c-on-surface:             var(--c-navy);
  --c-on-surface-variant:     #6b7480;
  --c-outline:                #7e8790;
  --c-outline-variant:        #cfd9da;
  --c-hairline:               #ebebeb;
  --c-hairline-strong:        #d4d4d4;
  --c-secondary:              var(--c-primary);
  --c-secondary-container:    var(--c-light-teal);
  --c-on-secondary-fixed-variant: var(--c-primary);
  --c-error:                  #ba1a1a;
  --c-error-container:        #ffdad6;
  --c-success:                #047857;
  --c-success-container:      #d1fae5;
  --c-focus-ring:             #0066cc;

  /* Body painting (fixed wash). The JPG is layered over a CSS gradient so
     a slow connection / 404 still gives the right tonal range. */
  --c-body-bg-image:    url("/bg-back-image.jpg");
  --c-body-bg-gradient: linear-gradient(180deg, #e8f4f6 0%, #ffffff 55%, rgba(168, 200, 155, 0.45) 100%);

  --font-display: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --r-card: 12px;
  --r-input: 0.25rem;
  --r-full: 9999px;

  --gutter: 24px;
  --margin-desktop: 40px;
  --margin-mobile: 16px;
  --section-gap: 80px;
  --container-max: 1180px;
  --topbar-h: 64px;
}

@media (max-width: 767px) {
  :root { --margin-desktop: 24px; --section-gap: 48px; }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  color: var(--c-on-surface);
  -webkit-font-smoothing: antialiased;
}

/* Painted gradient body — fixed so it survives scroll on every page. */
body {
  background-color: #f4f8f7;
  background-image: var(--c-body-bg-image), var(--c-body-bg-gradient);
  background-size: cover, cover;
  background-position: center center, center center;
  background-attachment: fixed, fixed;
  background-repeat: no-repeat, no-repeat;
  min-height: 100dvh;
}

a { color: inherit; }

/* ---- Typography utilities ---- */

.display-lg { font-weight: 600; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 1rem; }
.headline-lg { font-weight: 600; font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 0.75rem; }
.headline-md { font-weight: 500; font-size: 1.25rem; line-height: 1.3; margin: 0 0 0.5rem; }
.body-md { font-size: 1rem; line-height: 1.5; }

h1 { font-weight: 600; font-size: clamp(1.75rem, 4vw, 2.25rem); line-height: 1.2; margin: 0 0 1rem; letter-spacing: -0.01em; }
h2 { font-weight: 600; font-size: 1.4rem; line-height: 1.3; margin: 1.25rem 0 0.6rem; }
h3 { font-weight: 600; font-size: 1.1rem; margin: 1rem 0 0.4rem; }

.muted, .body-muted { color: var(--c-on-surface-variant); }

.eyebrow {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-secondary);
  display: inline-block;
}

/* ---- Page layout ---- */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.5rem var(--margin-desktop);
}
@media (max-width: 767px) {
  .container { padding-left: var(--margin-mobile); padding-right: var(--margin-mobile); }
}

main.with-topbar { padding-top: var(--topbar-h); }

/* ---- Topbar (light glass) ---- */

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-h);
  padding: 0 var(--margin-desktop);
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  color: var(--c-navy);
  border-bottom: 1px solid var(--c-hairline);
}
.topbar a, .topbar a:visited { color: var(--c-navy); text-decoration: none; }

.topbar-left  { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.topbar-right { display: flex; align-items: center; gap: 0.75rem; }

.topbar .brand {
  display: inline-flex;
  align-items: center;
}
.topbar .brand-mark {
  height: 36px;
  width: auto;
  display: block;
}
.topbar .nav { display: flex; align-items: center; gap: 1.75rem; }
.topbar-link {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(26, 43, 63, 0.7);
  padding-bottom: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: color 120ms, border-color 120ms;
}
.topbar-link:hover { color: var(--c-primary); }
.topbar-link.active {
  color: var(--c-primary);
  border-bottom-color: var(--c-primary);
}

.topbar .user-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: rgba(26, 43, 63, 0.6);
  text-transform: uppercase;
}

@media (max-width: 767px) {
  .topbar { padding: 0 var(--margin-mobile); }
  .topbar .nav { display: none; }
  .topbar .user-tag { display: none; }
}

/* ---- Buttons ---- */

.button, button.button, a.button, input[type=submit] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--c-primary);
  color: var(--c-on-primary);
  border: 1px solid var(--c-primary);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.75rem 1.75rem;
  border-radius: var(--r-full);
  cursor: pointer;
  line-height: 1;
  min-height: 44px;
  transition: opacity 120ms, background 120ms;
}
.button:hover, button.button:hover, input[type=submit]:hover { opacity: 0.88; }
.button:disabled, button.button:disabled { opacity: 0.5; cursor: not-allowed; }

.button.outline, .button.secondary, button.secondary {
  background: var(--c-surface-bright);
  color: var(--c-primary);
  border-color: var(--c-outline-variant);
}
.button.outline:hover, .button.secondary:hover, button.secondary:hover {
  background: rgba(0, 0, 0, 0.04);
  opacity: 1;
}

.button.invert {
  background: var(--c-primary);
  color: var(--c-on-primary);
  border-color: var(--c-primary);
  padding: 0.55rem 1.1rem;
  min-height: 40px;
  font-size: 0.8125rem;
}
.button.invert:hover { background: var(--c-primary-strong); border-color: var(--c-primary-strong); opacity: 1; }
.button.danger { background: var(--c-error); border-color: var(--c-error); }
.button.compact { padding: 0.5rem 1rem; min-height: 36px; font-size: 0.8125rem; }

.button-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1rem; }

.inline-form { display: inline; }
.linkish {
  background: transparent;
  border: 0;
  color: var(--c-secondary);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.8125rem;
  min-height: 0;
}
.linkish:hover { color: var(--c-primary); }
button.linkish, input[type=submit].linkish {
  background: transparent;
  border: 0;
  color: var(--c-secondary);
  min-height: 0;
}

/* ---- Cards ---- */

.card {
  background: var(--c-surface-bright);
  border: 1px solid var(--c-hairline);
  border-radius: var(--r-card);
  padding: 2rem;
  margin-bottom: 1rem;
}
.card.soft { background: var(--c-surface-container-low); }

.icon-circle {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--r-full);
  background: var(--c-secondary-container);
  color: var(--c-on-secondary-fixed-variant);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---- Forms ---- */

input[type=text], input[type=email], input[type=password], input[type=date],
input[type=number], input[type=tel], select, textarea {
  width: 100%;
  background: var(--c-surface-bright);
  color: var(--c-on-surface);
  border: 1px solid var(--c-hairline-strong);
  border-radius: var(--r-input);
  padding: 0.7rem 0.85rem;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.4;
}
textarea { min-height: 5rem; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--c-primary); }

label.field-label, .field > label {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-on-surface-variant);
  margin: 0.85rem 0 0.35rem;
}
.field { margin-bottom: 0.85rem; }
.field-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.field-row > .field { flex: 1 1 200px; }
.hint { font-size: 0.85rem; color: var(--c-on-surface-variant); margin-top: 0.3rem; display: block; }

/* ---- Tables ---- */

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--c-surface-bright);
  border: 1px solid var(--c-hairline);
  border-radius: var(--r-card);
  overflow: hidden;
}
table th {
  background: var(--c-surface-container-low);
  color: var(--c-on-surface-variant);
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--c-hairline);
}
table td {
  padding: 0.8rem 0.85rem;
  border-bottom: 1px solid var(--c-hairline);
  vertical-align: top;
}
table tr:last-child td { border-bottom: 0; }

/* ---- Flash + badges ---- */

.flash, .error, .notice, .errors {
  border-radius: var(--r-card);
  padding: 0.85rem 1.1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--c-hairline);
}
.flash-notice, .notice { background: var(--c-success-container); color: var(--c-success); border-color: var(--c-success); }
.flash-alert,  .error, .errors { background: var(--c-error-container); color: var(--c-error); border-color: var(--c-error); }
.errors ul { margin: 0.25rem 0 0 1.25rem; padding: 0; }

.badge {
  display: inline-block;
  background: var(--c-surface-bright);
  color: var(--c-on-surface);
  border: 1px solid var(--c-hairline-strong);
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--r-full);
}
.badge.green { background: var(--c-success-container); color: var(--c-success); border-color: var(--c-success); }
.badge.amber { background: #fef3c7; color: #92400e; border-color: #d97706; }
.badge.mint  { background: var(--c-secondary-container); color: var(--c-on-secondary-fixed-variant); border-color: var(--c-secondary-container); }

/* ---- Wizard (Rails ERB fallback flow) ---- */

.likert { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.likert label {
  flex: 1 1 7rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--c-hairline-strong);
  border-radius: var(--r-card);
  background: var(--c-surface-bright);
  cursor: pointer;
  text-align: center;
  font-size: 0.95rem;
}
.likert label:has(input:checked) {
  border-color: var(--c-primary);
  background: var(--c-primary);
  color: var(--c-on-primary);
}
.likert input { margin-right: 0.4rem; }

.postcode-segments { display: flex; gap: 0.6rem; }
.postcode-segments input {
  width: 3rem;
  height: 3.5rem;
  padding: 0;
  text-align: center;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
}

/* ---- Footer wordmark band ---- */

.wordmark-band {
  background: transparent;
  border-top: 1px solid rgba(168, 200, 155, 0.4);
  padding: 1.25rem 0;
  margin-top: 3rem;
}
.wordmark-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--c-on-surface-variant);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---- Dashboard ---- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 2rem;
}
.stat-tile {
  background: var(--c-surface-bright);
  border: 1px solid var(--c-hairline);
  border-radius: var(--r-card);
  padding: 1.25rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.stat-tile .stat-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.5rem;
  line-height: 1;
  color: var(--c-on-surface);
}
.stat-tile .stat-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-on-surface-variant);
  margin-top: 0.25rem;
}
.stat-tile .stat-sub { font-size: 0.8125rem; }

.card-header { margin-bottom: 1rem; }
.card-header h2 { margin: 0 0 0.25rem; }
.card-header p { margin: 0; }
.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

.dashboard-chart { padding-bottom: 1.5rem; }

.dashboard-filters .filter-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  align-items: end;
}
.dashboard-filters .field { margin-bottom: 0; }
.dashboard-filters .field-actions {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}

.data-table { font-size: 0.875rem; }
.data-table th.num,
.data-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .sort-link { color: inherit; text-decoration: none; }
.data-table .sort-link.active { color: var(--c-primary); }
.data-table .sort-link.active::after { content: " ↓"; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
}

.priority-card { border-color: var(--c-error); }
.priority-card .card-header h2 { color: var(--c-error); }

/* Status badges */
.badge.status-enrolled     { background: #fef3c7; color: #92400e; border-color: #d97706; }
.badge.status-follow-up    { background: var(--c-error-container); color: var(--c-error); border-color: var(--c-error); }
.badge.status-participated { background: #d1fae5; color: #047857; border-color: #047857; }
.badge.status-sustained    { background: #064e3b; color: #ffffff; border-color: #064e3b; }
.badge.status-closed       { background: var(--c-surface-container); color: var(--c-on-surface-variant); border-color: var(--c-hairline-strong); }

/* Referral flow SVG */
.referral-flow { width: 100%; height: auto; max-height: 520px; }
.referral-flow .rf-col {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  fill: var(--c-on-surface-variant);
}
.referral-flow .rf-label { font-size: 11px; fill: var(--c-on-surface); }
.referral-flow .rf-node { stroke: var(--c-surface-bright); stroke-width: 1.5; }
.referral-flow .rf-health-dot { fill: #1d4ed8; }
.referral-flow .rf-social-dot { fill: var(--c-secondary); }
.referral-flow .rf-edge { stroke: var(--c-secondary); }

.rf-legend { list-style: none; padding: 0; margin: 1rem 0 0; font-size: 0.85rem; }
.rf-legend li { padding: 0.2rem 0; }

/* ---- Dashboard chart preview page ---- */

.dashboard-quick-links {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 1.5rem;
  flex-wrap: wrap;
}

.preview-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.5rem 0 1.75rem;
  flex-wrap: wrap;
}
.preview-header h1 { margin: 0 0 0.25rem; }

/* KPI grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.kpi-card {
  background: var(--c-surface-bright);
  border: 1px solid var(--c-hairline);
  border-radius: var(--r-card);
  padding: 1rem 1.1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.kpi-card .kpi-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-on-surface-variant);
}
.kpi-card .kpi-value-row { display: flex; align-items: baseline; gap: 0.65rem; flex-wrap: wrap; }
.kpi-card .kpi-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.25rem;
  line-height: 1;
  color: var(--c-on-surface);
}
.kpi-card .kpi-delta {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: var(--r-full);
}
.kpi-card .kpi-delta.up   { color: var(--c-success); background: var(--c-success-container); }
.kpi-card .kpi-delta.down { color: var(--c-error);   background: var(--c-error-container); }
.kpi-card .kpi-sparkline { height: 36px; width: 100%; }
.kpi-card .kpi-source {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Chart card */
.preview-row { display: grid; gap: 1rem; margin-bottom: 1rem; }
.preview-row.two-col { grid-template-columns: 1fr; }
@media (min-width: 900px) {
  .preview-row.two-col { grid-template-columns: 1fr 1fr; }
}
.preview-chart-card {
  background: var(--c-surface-bright);
  border: 1px solid var(--c-hairline);
  border-radius: var(--r-card);
  padding: 1rem 1rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-width: 0;
}
.preview-chart-header { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 0.85rem; }
.preview-chart-title { margin: 0; font-size: 1.05rem; line-height: 1.2; }
.preview-chart-subtitle { margin: 0; font-size: 0.85rem; flex-basis: 100%; }
.preview-chart-tag {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--r-full);
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #d97706;
}
.preview-chart-tag.inline { padding: 1px 6px; font-size: 0.65rem; }
.preview-chart { width: 100%; min-height: 200px; }

.preview-footnote { font-size: 0.85rem; margin: 1.5rem 0 0; }