:root {
  --bg: #f5f7fa;
  --bg-elevated: #ffffff;
  --surface: #ffffff;
  --surface-hover: #eef1f6;
  --border: #e0e4ec;
  --text: #101828;
  --text-muted: #5b6478;
  --text-faint: #8a93a6;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-text: #ffffff;
  --success: #16a34a;
  --warning: #b45309;
  --danger: #dc2626;
  --info: #0284c7;
  --radius: 8px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Roboto Mono', Consolas, monospace;
  --shadow-card: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.tfl-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 10px;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.tfl-logo {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--text);
}
.tfl-logo span { color: var(--accent); }

.tfl-nav { display: flex; flex-wrap: wrap; gap: 20px; row-gap: 10px; align-items: center; }
.tfl-nav a { color: var(--text-muted); font-size: 14px; }
.tfl-nav a:hover { color: var(--text); text-decoration: none; }
.tfl-nav a.btn-primary,
.tfl-nav a.btn-primary:hover { color: var(--accent-text); }

.tfl-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.tfl-shell--narrow { max-width: 440px; padding-top: 80px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  margin-top: 24px;
  overflow-x: auto;
  box-shadow: var(--shadow-card);
}

h1 { font-size: 26px; font-weight: 650; margin: 0 0 8px; }
h2 { font-size: 18px; font-weight: 650; margin: 0 0 20px; }
h3 { font-size: 14px; font-weight: 650; margin: 28px 0 14px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
h3:first-child { margin-top: 0; }
p.subtitle { color: var(--text-muted); margin: 0 0 28px; }

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin: 24px 0 10px;
}
label:first-child { margin-top: 0; }

input, select, textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.field-hint { font-size: 12px; color: var(--text-faint); margin-top: 8px; line-height: 1.55; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 24px; }
.field-row:first-child { margin-top: 0; }

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: transparent; border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--surface-hover); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.full { width: 100%; margin-top: 28px; }

.form-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }

.alert {
  padding: 14px 16px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 20px;
  line-height: 1.5;
}
.alert-error { background: rgba(220, 38, 38, 0.08); border: 1px solid rgba(220, 38, 38, 0.3); color: #b91c1c; }
.alert-success { background: rgba(22, 163, 74, 0.08); border: 1px solid rgba(22, 163, 74, 0.3); color: #15803d; }
.alert-info { background: rgba(2, 132, 199, 0.08); border: 1px solid rgba(2, 132, 199, 0.3); color: #0369a1; }
.alert-warning { background: rgba(180, 83, 9, 0.08); border: 1px solid rgba(180, 83, 9, 0.3); color: var(--warning); }

.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 360px;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.5;
  box-shadow: var(--shadow-card), 0 4px 16px rgba(16, 24, 40, 0.14);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: auto;
}
.toast-show { opacity: 1; transform: translateY(0); }
.toast-hide { opacity: 0; transform: translateY(8px); }
.toast-error { background: #fef2f2; border: 1px solid rgba(220, 38, 38, 0.3); color: #b91c1c; }
.toast-success { background: #f0fdf4; border: 1px solid rgba(22, 163, 74, 0.3); color: #15803d; }
.toast-info { background: #f0f9ff; border: 1px solid rgba(2, 132, 199, 0.3); color: #0369a1; }
.toast-message { flex: 1; }
.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  color: inherit;
  opacity: 0.6;
  padding: 0;
}
.toast-close:hover { opacity: 1; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-draft { background: rgba(91,100,120,0.12); color: var(--text-muted); }
.badge-submitted, .badge-under_review { background: rgba(180,83,9,0.12); color: var(--warning); }
.badge-additional_information_required { background: rgba(180,83,9,0.12); color: var(--warning); }
.badge-approved, .badge-active, .badge-accepted, .badge-completed, .badge-delivered { background: rgba(22,163,74,0.12); color: var(--success); }
.badge-rejected, .badge-suspended, .badge-declined, .badge-cancelled, .badge-exception, .badge-fraud_hold, .badge-compliance_hold, .badge-disputed { background: rgba(220,38,38,0.12); color: var(--danger); }
.badge-requested, .badge-quoted { background: rgba(180,83,9,0.12); color: var(--warning); }
.badge-pending, .badge-voided { background: rgba(91,100,120,0.12); color: var(--text-muted); }
.badge-calculated, .badge-invoiced { background: rgba(180,83,9,0.12); color: var(--warning); }
.badge-collected { background: rgba(22,163,74,0.12); color: var(--success); }
.badge-refunded { background: rgba(220,38,38,0.12); color: var(--danger); }
.badge-open { background: rgba(180,83,9,0.12); color: var(--warning); }
.badge-overdue { background: rgba(220,38,38,0.12); color: var(--danger); }
.badge-paid { background: rgba(22,163,74,0.12); color: var(--success); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--text-faint); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: 0.04em; padding: 8px 12px; border-bottom: 1px solid var(--border); }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }
.muted { color: var(--text-muted); }
.mono { font-family: var(--font-mono); }
.stack { display: flex; flex-direction: column; gap: 4px; }
.row-between { display: flex; flex-wrap: wrap; row-gap: 12px; align-items: center; justify-content: space-between; }

.modal {
  width: min(720px, calc(100vw - 48px));
  max-height: calc(100vh - 96px);
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-card);
  overflow-y: auto;
}
.modal::backdrop { background: rgba(16, 24, 40, 0.6); }
.candidate-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.candidate-card:last-child { margin-bottom: 0; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-close {
  background: transparent; border: none; color: var(--text-muted);
  font-size: 22px; line-height: 1; cursor: pointer; padding: 4px 8px;
}
.modal-close:hover { color: var(--text); }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat-tile { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.stat-tile .stat-value { font-size: 24px; font-weight: 700; color: var(--text); line-height: 1.2; }
.stat-tile .stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.stat-tile.stat-tile--warn .stat-value { color: var(--warning); }

.org-switcher { display: flex; align-items: center; gap: 8px; }
.org-switcher select { width: auto; padding: 6px 10px; font-size: 13px; }

.footer-note {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.6;
}

.checkbox-list { padding: 6px 4px; }
.checkbox-list label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 400;
  font-size: 13px;
  color: var(--text);
  margin: 0 0 14px;
  cursor: pointer;
}
.checkbox-list label:last-child { margin-bottom: 0; }
.checkbox-list input { width: auto; }

/* ---------- Landing page ---------- */
.lp-shell { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.lp-hero { padding: 88px 0 0; text-align: center; }
.lp-hero h1 { font-size: 44px; line-height: 1.18; max-width: 800px; margin: 0 auto 20px; }
.lp-hero h1 span { color: var(--accent); }
.lp-hero .lp-sub { font-size: 18px; color: var(--text-muted); max-width: 640px; margin: 0 auto 36px; line-height: 1.6; }
.lp-hero .lp-cta { display: flex; gap: 14px; justify-content: center; }
.lp-hero .lp-cta .btn { padding: 13px 26px; font-size: 15px; }

.lp-strip {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 28px;
  margin-top: 56px; padding: 24px 0; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-faint);
}
.lp-strip span { display: flex; align-items: center; gap: 8px; }
.lp-strip svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }

.lp-section { padding: 64px 0; }
.lp-section + .lp-section { border-top: 1px solid var(--border); }
.lp-section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.lp-eyebrow { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.lp-section-head h2 { font-size: 30px; margin: 0 0 12px; }
.lp-section-head p { color: var(--text-muted); font-size: 15px; margin: 0; line-height: 1.6; }

.lp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.lp-grid--3 { grid-template-columns: repeat(3, 1fr); }
.lp-grid--2 { grid-template-columns: repeat(2, 1fr); }

.lp-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(37, 99, 235, 0.1); color: var(--accent); margin-bottom: 16px;
}
.lp-icon svg { width: 20px; height: 20px; }

.lp-card h3 { color: var(--text); text-transform: none; letter-spacing: normal; font-size: 16px; margin: 0 0 8px; }
.lp-card p { color: var(--text-muted); font-size: 14px; margin: 0; line-height: 1.65; }

.lp-audience-list { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.lp-audience-list li { display: flex; gap: 10px; font-size: 13px; color: var(--text-muted); line-height: 1.55; }
.lp-audience-list svg { width: 15px; height: 15px; margin-top: 3px; color: var(--success); flex-shrink: 0; }

.lp-steps { display: flex; flex-direction: column; }
.lp-step { display: flex; gap: 24px; padding: 24px 0; }
.lp-step + .lp-step { border-top: 1px solid var(--border); }
.lp-step-num {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px;
}
.lp-step h3 { margin: 0 0 4px; font-size: 15px; color: var(--text); text-transform: none; letter-spacing: normal; }
.lp-step p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.65; }

.lp-cta-band {
  text-align: center; padding: 64px 40px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(37, 99, 235, 0.02));
  border: 1px solid var(--border);
}
.lp-cta-band h2 { font-size: 26px; margin: 0 0 10px; }
.lp-cta-band p { color: var(--text-muted); margin: 0 0 28px; font-size: 15px; }

.lp-footer {
  padding: 40px 0 64px; border-top: 1px solid var(--border); margin-top: 8px;
}
.lp-footer-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 32px; }
.lp-footer-links { display: flex; gap: 24px; }
.lp-footer-links a { color: var(--text-muted); font-size: 13px; }
.lp-footer-links a:hover { color: var(--text); }
.lp-disclaimer { font-size: 12px; color: var(--text-faint); line-height: 1.7; max-width: 980px; }

@media (max-width: 860px) {
  .lp-grid, .lp-grid--3, .lp-grid--2 { grid-template-columns: 1fr; }
  .lp-hero h1 { font-size: 32px; }
  .lp-hero .lp-cta { flex-direction: column; }
  .lp-hero .lp-cta .btn { width: 100%; }
  .lp-footer-grid { flex-direction: column; gap: 16px; }
}

@media (max-width: 640px) {
  .tfl-nav-anchor { display: none; }
  .lp-hero { padding-top: 56px; }
  .lp-hero h1 { font-size: 26px; }
  .lp-hero .lp-sub { font-size: 15px; }
  .lp-strip { gap: 16px; margin-top: 40px; }
  .lp-section { padding: 44px 0; }
  .lp-section-head { margin-bottom: 32px; }
  .lp-section-head h2 { font-size: 22px; }
  .lp-cta-band { padding: 40px 20px; }
  .lp-cta-band h2 { font-size: 21px; }
  .lp-step { gap: 16px; }
  .lp-footer-links { flex-wrap: wrap; row-gap: 10px; }
}

/* ---------- Responsive (app shell, forms, tables) ---------- */
@media (max-width: 640px) {
  .tfl-header { padding: 12px 16px; }
  .tfl-nav { gap: 14px; }
  .tfl-shell { padding: 24px 16px 56px; }
  .tfl-shell--narrow { padding-top: 36px; }
  .card { padding: 20px; }
  .card + .card { margin-top: 16px; }
  .widget { padding: 18px; }
  .app-main { padding-top: 20px; }
  .field-row, .grid-2 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 22px; }
  h2 { font-size: 17px; }
  table { font-size: 12px; }
  th, td { padding: 8px; white-space: nowrap; }
}

.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid color-mix(in srgb, currentColor 30%, transparent);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- App shell: sidebar + column dashboard ---------- */

.app-shell { display: flex; align-items: stretch; min-height: 100vh; }

.app-sidebar {
  width: 252px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 22px 16px;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.app-logo { font-weight: 700; font-size: 18px; letter-spacing: 0.02em; color: var(--text); padding: 0 8px; }
.app-logo span { color: var(--accent); }

.app-org-switcher select { padding: 9px 10px; font-size: 13px; border-radius: 8px; }

.app-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.app-nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}
.app-nav a:hover { background: var(--surface-hover); color: var(--text); text-decoration: none; }
.app-nav a.active { background: rgba(37, 99, 235, 0.1); color: var(--accent); }
.app-nav a svg { width: 17px; height: 17px; flex-shrink: 0; }
.app-nav-divider { height: 1px; background: var(--border); margin: 8px 4px; }

.app-sidebar-footer { display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--border); padding-top: 14px; }
.app-user-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 4px; }
.app-user-row .muted { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.app-main { flex: 1; min-width: 0; padding: 32px 40px 80px; max-width: 1320px; }

.app-breadcrumb { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 16px; }
.app-breadcrumb:hover { color: var(--text); text-decoration: none; }

/* A single-focus form/detail page's content, centered within the full-width
   app-main rather than the whole main area being squeezed to one side -
   the squeezed version left a large, unbalanced empty void next to a
   left-pinned card on anything wider than a laptop. Width is set per page
   via an inline style, same as app-main's old max-width was. */
.app-narrow { max-width: 680px; margin: 0 auto; }

.app-topbar { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.app-topbar-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }

.dash-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); gap: 24px; align-items: start; }
.dash-col { display: flex; flex-direction: column; gap: 24px; min-width: 0; }
.dash-full-row { grid-column: 1 / -1; }

.widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  overflow-x: auto;
  box-shadow: var(--shadow-card);
}

/* Billing snapshot widget - the provider-facing "what's owed, what's
   accruing, what to do about it" summary, surfaced on the dashboard so a
   provider org doesn't have to visit /provider-requests.html just to know
   if they owe anything. */
.billing-widget-row { display: flex; align-items: baseline; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border); }
.billing-widget-row:last-of-type { border-bottom: none; }
.billing-widget-label { font-size: 13px; color: var(--text-muted); }
.billing-widget-value { font-size: 15px; font-weight: 650; font-family: var(--font-mono); }
.billing-widget-value.is-warn { color: var(--warning); }
.billing-widget-value.is-danger { color: var(--danger); }
.billing-widget-empty { font-size: 13px; color: var(--text-faint); padding: 4px 0 8px; }

@media (max-width: 1080px) {
  .dash-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .app-shell { flex-direction: column; }
  .app-sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
  }
  .app-org-switcher { order: 3; width: 100%; }
  .app-nav { flex-direction: row; flex-wrap: wrap; flex: 1 1 100%; }
  .app-nav-divider { display: none; }
  .app-sidebar-footer { flex-direction: row; align-items: center; justify-content: space-between; border-top: none; padding-top: 0; margin-left: auto; }
  .app-user-row { padding: 0; }
  .app-main { padding: 24px 16px 56px; }
}