/**
 * KAITALK — Premium Design System
 * Unified tokens for all authenticated app screens
 * Light-only (dark mode removed). Clinical clean white/ivory surfaces,
 * navy/slate text, teal + indigo accents.
 */

/* ─── Fonts ─────────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── Light Theme Tokens (the only theme) ──────────────────────────────────
   `.bright` is kept as a no-op alias so legacy markup/JS that still adds the
   class renders the same accessible light theme. */
:root,
.bright {
  --p-bg:           #F6F8FB;
  --p-surface:      #FFFFFF;
  --p-surface2:     #EEF2F8;
  --p-surface3:     #E2E8F2;
  --p-border:       #DEE5EF;
  --p-border-soft:  #E8EDF4;
  --p-gold:         #0d9488;  /* legacy "gold" alias → teal accent */
  --p-gold-dim:     #0f766e;
  --p-gold-glow:    rgba(13,148,136,0.10);
  --p-sage:         #4f46e5;  /* legacy "sage" alias → indigo accent */
  --p-sage-dim:     #4338ca;
  --p-sage-glow:    rgba(79,70,229,0.10);
  --p-green:        #0d9488;
  --p-green-dim:    #0f766e;
  --p-red:          #B03020;
  --p-red-dim:      #922820;
  --p-red-glow:     rgba(176,48,32,0.08);
  --p-yellow:       #B45309;
  --p-yellow-dim:   #92400e;
  --p-yellow-glow:  rgba(180,83,9,0.10);
  --p-text:         #0F172A;
  --p-text-muted:   #5B6677;
  --p-text-dim:     #8A8F9C;
  --p-inverse:      #FFFFFF;
  --p-shadow-soft:  0 2px 12px rgba(15,23,42,0.08);
  --p-shadow-card:  0 1px 3px rgba(15,23,42,0.06), inset 0 1px 0 rgba(255,255,255,0.8);
  --p-shadow-lift:  0 8px 32px rgba(15,23,42,0.12), inset 0 1px 0 rgba(255,255,255,0.9);
  --p-glow-gold:    0 0 0 1px rgba(13,148,136,0.18);
  --p-glow-sage:    0 0 0 1px rgba(79,70,229,0.18);
  --p-font:         'Inter', system-ui, -apple-system, sans-serif;
  --p-radius:       10px;
  --p-radius-sm:    6px;
  --p-radius-lg:    14px;
  --p-transition:   150ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --p-transition-md: 220ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ─── Reset & Base ───────────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--p-font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--p-text);
  background: var(--p-bg);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ─── Typography ─────────────────────────────────────────────────────────── */
.p-title-xl  { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; color: var(--p-text); }
.p-title-lg  { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; color: var(--p-text); }
.p-title-md  { font-size: 1rem;    font-weight: 600; color: var(--p-text); }
.p-label-sm  { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--p-text-dim); }
.p-body-sm   { font-size: 0.82rem; color: var(--p-text-muted); }
.p-body-xs   { font-size: 0.72rem; color: var(--p-text-dim); }
.p-mono      { font-variant-numeric: tabular-nums; }

/* ─── Navigation ─────────────────────────────────────────────────────────── */
.p-nav {
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--p-border);
  background: var(--p-surface);
  position: sticky;
  top: 0;
  z-index: 100;
}
.p-nav-brand {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--p-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.p-nav-links {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}
.p-nav-link {
  padding: 0.3rem 0.7rem;
  border-radius: var(--p-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--p-text-muted);
  cursor: pointer;
  transition: all var(--p-transition);
  border: none;
  background: none;
  font-family: var(--p-font);
  text-decoration: none;
  display: inline-block;
}
.p-nav-link:hover  { color: var(--p-text); background: var(--p-surface2); }
.p-nav-link.active { color: var(--p-gold); background: var(--p-gold-glow); }
.p-nav-right      { display: flex; align-items: center; gap: 0.75rem; }
.p-nav-user       { font-size: 0.8rem; color: var(--p-text-muted); }
.p-nav-logout {
  font-size: 0.78rem; color: var(--p-text-dim); text-decoration: none;
  padding: 0.3rem 0.65rem; border: 1px solid var(--p-border); border-radius: var(--p-radius-sm);
  cursor: pointer; background: none; transition: all var(--p-transition);
  font-family: var(--p-font);
}
.p-nav-logout:hover { color: var(--p-text); border-color: var(--p-gold-dim); }

/* Theme toggle */
.p-theme-btn {
  width: 32px; height: 32px;
  border-radius: var(--p-radius-sm);
  border: 1px solid var(--p-border);
  background: var(--p-surface2);
  color: var(--p-text-dim);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--p-transition);
  flex-shrink: 0;
}
.p-theme-btn:hover { color: var(--p-gold); border-color: var(--p-gold-dim); }

/* ─── Page Layout ─────────────────────────────────────────────────────────── */
.p-container { max-width: 1200px; margin: 0 auto; padding: 1.25rem 1.5rem; }
.p-page-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.25rem; gap: 1rem;
}
.p-page-title { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.01em; color: var(--p-text); }
.p-page-sub   { font-size: 0.78rem; color: var(--p-text-muted); margin-top: 0.15rem; }

/* ─── Stats Bar ──────────────────────────────────────────────────────────── */
.p-stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--p-border);
  border-bottom: 1px solid var(--p-border);
}
.p-stat-cell {
  background: var(--p-surface);
  padding: 0.9rem 1.25rem;
  text-align: center;
}
.p-stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--p-text-dim);
  margin-bottom: 0.25rem;
  font-weight: 600;
}
.p-stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--p-text);
  line-height: 1;
}
.p-stat-value.gold   { color: var(--p-gold); }
.p-stat-value.sage    { color: var(--p-sage); }
.p-stat-value.yellow  { color: var(--p-yellow); }
.p-stat-value.red     { color: var(--p-red); }

/* ─── Cards ─────────────────────────────────────────────────────────────── */
.p-card {
  background: var(--p-surface);
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius);
  box-shadow: var(--p-shadow-card);
  transition: border-color var(--p-transition-md), box-shadow var(--p-transition-md);
}
.p-card:hover   { border-color: var(--p-gold-dim); box-shadow: var(--p-shadow-lift); }
.p-card.elite   { border-color: rgba(196,168,130,0.25); box-shadow: var(--p-shadow-card), var(--p-glow-gold); }
.p-card.sage    { border-color: rgba(135,168,120,0.25); box-shadow: var(--p-shadow-card), var(--p-glow-sage); }
.p-card-body    { padding: 1.25rem; }
.p-card-header  { padding: 1rem 1.25rem; border-bottom: 1px solid var(--p-border-soft); }
.p-card-footer  { padding: 0.85rem 1.25rem; border-top: 1px solid var(--p-border-soft); background: var(--p-surface2); border-radius: 0 0 var(--p-radius) var(--p-radius); }

/* ─── KPI Tiles ─────────────────────────────────────────────────────────── */
.p-kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.p-kpi {
  background: var(--p-surface);
  border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--p-shadow-card);
}
.p-kpi-label { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--p-text-dim); margin-bottom: 0.35rem; }
.p-kpi-value { font-size: 1.65rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; color: var(--p-text); }
.p-kpi-value.accent { color: var(--p-gold); }

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.p-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  padding: 0 16px;
  border-radius: var(--p-radius-sm);
  font-family: var(--p-font);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all var(--p-transition);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.p-btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.p-btn:focus-visible { outline: 2px solid var(--p-gold); outline-offset: 2px; }

/* Primary: Gold */
.p-btn-primary {
  background: var(--p-gold);
  color: var(--p-inverse);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.15);
}
.p-btn-primary:hover { background: var(--p-gold-dim); box-shadow: 0 4px 14px rgba(196,168,130,0.25); transform: translateY(-1px); }
.p-btn-primary:active { transform: translateY(0); }

/* Secondary: Sage outline */
.p-btn-secondary {
  background: var(--p-surface2);
  color: var(--p-text);
  border-color: var(--p-border);
}
.p-btn-secondary:hover { border-color: var(--p-gold-dim); background: var(--p-surface3); }
.p-btn-secondary.sage { border-color: var(--p-sage-dim); color: var(--p-sage); }
.p-btn-secondary.sage:hover { background: var(--p-sage-glow); border-color: var(--p-sage); }

/* Ghost */
.p-btn-ghost { background: transparent; color: var(--p-text-muted); }
.p-btn-ghost:hover { background: var(--p-surface2); color: var(--p-text); }

/* Destructive */
.p-btn-danger { background: var(--p-red-glow); color: var(--p-red); border-color: var(--p-red-dim); }
.p-btn-danger:hover { background: var(--p-red); color: #fff; }

/* Sizes */
.p-btn-sm  { height: 30px; padding: 0 12px; font-size: 0.72rem; }
.p-btn-lg  { height: 48px; padding: 0 24px; font-size: 0.9rem; border-radius: var(--p-radius); }
.p-btn-full { width: 100%; }

/* ─── Form Elements ──────────────────────────────────────────────────────── */
.p-form-group { display: flex; flex-direction: column; gap: 5px; }
.p-form-label {
  font-size: 0.7rem; font-weight: 600; color: var(--p-text-muted);
  text-transform: uppercase; letter-spacing: 0.07em;
}
.p-form-label .opt { font-weight: 400; color: var(--p-text-dim); margin-left: 3px; }
.p-form-hint   { font-size: 0.7rem; color: var(--p-text-dim); }
.p-form-error  { font-size: 0.7rem; color: var(--p-red); }
.p-form-row    { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }

.p-input, .p-textarea, .p-select {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  background: var(--p-surface2);
  color: var(--p-text);
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius-sm);
  font-family: var(--p-font);
  font-size: 0.88rem;
  transition: border-color var(--p-transition), box-shadow var(--p-transition);
  outline: none;
}
.p-input:focus, .p-textarea:focus, .p-select:focus {
  border-color: var(--p-gold);
  box-shadow: 0 0 0 3px var(--p-gold-glow);
}
.p-input::placeholder, .p-textarea::placeholder { color: var(--p-text-dim); }
.p-input.err { border-color: var(--p-red); }
.p-input.err:focus { box-shadow: 0 0 0 3px var(--p-red-glow); }
.p-textarea  { height: auto; min-height: 90px; padding: 12px 14px; resize: vertical; line-height: 1.5; }
.p-select    { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238A8A8A' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 34px; }
.p-select option { background: var(--p-surface2); }

/* ─── Tables ────────────────────────────────────────────────────────────── */
.p-table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.p-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.p-table thead th {
  padding: 10px 14px;
  text-align: left;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--p-text-dim);
  border-bottom: 1px solid var(--p-border);
  position: sticky;
  top: 0;
  background: var(--p-surface);
  z-index: 1;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.p-table thead th:hover { color: var(--p-text-muted); }
.p-table thead th .sort-icon { margin-left: 4px; opacity: 0.4; font-size: 0.7rem; }
.p-table thead th.sorted .sort-icon { opacity: 1; color: var(--p-gold); }
.p-table tbody tr { border-bottom: 1px solid var(--p-border-soft); transition: background var(--p-transition); }
.p-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.015); }
.p-table tbody tr:hover { background: var(--p-gold-glow); }
.p-table tbody tr:last-child { border-bottom: none; }
.p-table tbody td { padding: 12px 14px; color: var(--p-text); vertical-align: middle; }
.p-table tbody td.p-muted { color: var(--p-text-muted); }
.p-table tbody td.p-dim   { color: var(--p-text-dim); }

/* Bright table alternating */
.bright .p-table tbody tr:nth-child(even) { background: rgba(0,0,0,0.02); }
.bright .p-table tbody tr:hover { background: var(--p-gold-glow); }

/* ─── Badges ────────────────────────────────────────────────────────────── */
.p-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 20px;
  padding: 0 7px;
  border-radius: 9999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.p-badge-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.p-badge-green  { background: rgba(135,168,120,0.15); color: var(--p-sage); }
.p-badge-red    { background: var(--p-red-glow); color: var(--p-red); }
.p-badge-amber  { background: var(--p-yellow-glow); color: var(--p-yellow); }
.p-badge-gray    { background: var(--p-surface3); color: var(--p-text-dim); }
.p-badge-blue    { background: rgba(100,140,200,0.12); color: #7A9FC4; }
.p-badge-gold    { background: var(--p-gold-glow); color: var(--p-gold); }

/* ─── Kanban Board ──────────────────────────────────────────────────────── */
.p-kanban {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 1rem 1.25rem 2rem;
  min-height: calc(100vh - 200px);
  align-items: flex-start;
  -webkit-overflow-scrolling: touch;
}
.p-kanban-col {
  min-width: 220px;
  max-width: 260px;
  flex: 1;
  background: var(--p-surface);
  border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius);
  overflow: hidden;
  box-shadow: var(--p-shadow-card);
}
.p-kanban-header {
  padding: 0.65rem 0.9rem;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--p-border-soft);
}
.p-kanban-count {
  font-size: 0.72rem; font-weight: 600;
  padding: 0.08rem 0.4rem;
  border-radius: 9999px;
  background: var(--p-surface2);
  color: var(--p-text-dim);
}
.p-kanban-cards { padding: 0.5rem; min-height: 80px; }

/* Column accent colors */
.col-new          .p-kanban-header { color: #7a7a7a; }
.col-screening     .p-kanban-header { color: #7A9FC4; }
.col-eligible      .p-kanban-header { color: var(--p-sage); }
.col-needs_review  .p-kanban-header { color: var(--p-yellow); }
.col-enrolled      .p-kanban-header { color: var(--p-sage-dim); }
.col-ineligible    .p-kanban-header { color: var(--p-red-dim); }
.col-withdrawn     .p-kanban-header { color: var(--p-text-dim); }

/* Participant card */
.p-card-select {
  position: absolute; top: 0.45rem; left: 0.45rem;
  opacity: 0; width: 15px; height: 15px; cursor: pointer;
}
.p-participant-card {
  position: relative;
  background: var(--p-surface2);
  border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius-sm);
  padding: 0.7rem 0.75rem;
  margin-bottom: 0.45rem;
  cursor: pointer;
  transition: border-color var(--p-transition), transform var(--p-transition);
  user-select: none;
}
.p-participant-card:hover { border-color: var(--p-gold-dim); transform: translateY(-1px); }
.p-participant-card.selected { border-color: var(--p-gold); background: rgba(196,168,130,0.06); }
.p-participant-card:hover .p-card-select,
.p-participant-card.selected .p-card-select { opacity: 1; }
.p-card-name   { font-size: 0.8rem; font-weight: 600; color: var(--p-text); margin-bottom: 0.15rem; padding-left: 20px; }
.p-card-study  { font-size: 0.68rem; color: var(--p-text-muted); margin-bottom: 0.45rem; padding-left: 20px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.p-card-progress { height: 3px; background: var(--p-border-soft); border-radius: 2px; margin-bottom: 0.4rem; }
.p-card-progress-fill { height: 100%; border-radius: 2px; transition: width 0.4s; }
.p-card-meta   { display: flex; justify-content: space-between; align-items: center; }
.p-card-status-badge { font-size: 0.6rem; font-weight: 700; padding: 0.08rem 0.35rem; border-radius: 3px; text-transform: uppercase; }
.p-card-source { display: flex; align-items: center; gap: 0.2rem; }
.p-card-src-icon { width: 11px; height: 11px; opacity: 0.4; }
.p-card-time   { font-size: 0.62rem; color: var(--p-text-dim); margin-top: 0.15rem; }
.badge-eligible     { background: rgba(135,168,120,0.15); color: var(--p-sage); }
.badge-ineligible   { background: var(--p-red-glow); color: var(--p-red); }
.badge-needs_review { background: var(--p-yellow-glow); color: var(--p-yellow); }
.badge-pending      { background: var(--p-surface3); color: var(--p-text-dim); border: 1px solid var(--p-border); }

/* ─── Study List Cards ──────────────────────────────────────────────────── */
.p-study-card {
  background: var(--p-surface);
  border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: border-color var(--p-transition), transform var(--p-transition), box-shadow var(--p-transition);
  box-shadow: var(--p-shadow-card);
}
.p-study-card:hover { border-color: var(--p-gold-dim); transform: translateY(-2px); box-shadow: var(--p-shadow-lift), var(--p-glow-gold); }
.p-study-info { flex: 1; min-width: 0; }
.p-study-title { font-size: 0.92rem; font-weight: 700; color: var(--p-text); margin-bottom: 0.2rem; }
.p-study-meta  { font-size: 0.72rem; color: var(--p-text-muted); display: flex; gap: 1rem; flex-wrap: wrap; }
.p-study-q     { font-size: 0.68rem; color: var(--p-text-dim); margin-top: 0.15rem; }
.p-study-actions { display: flex; gap: 0.4rem; align-items: center; flex-shrink: 0; }

/* ─── Slide-Over Panel ──────────────────────────────────────────────────── */
.p-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 200; opacity: 0; transition: opacity var(--p-transition-md);
  pointer-events: none;
}
.p-backdrop.open { opacity: 1; pointer-events: all; }
.p-panel {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 540px; background: var(--p-surface);
  border-left: 1px solid var(--p-border);
  z-index: 201; overflow-y: auto;
  transform: translateX(100%); transition: transform var(--p-transition-md);
  box-shadow: -8px 0 40px rgba(0,0,0,0.3);
}
.p-panel.open   { transform: translateX(0); }
.p-panel.wide   { width: 700px; }
.p-panel-header {
  padding: 1.1rem 1.5rem; border-bottom: 1px solid var(--p-border);
  display: flex; justify-content: space-between; align-items: center;
  position: sticky; top: 0; background: var(--p-surface); z-index: 1;
}
.p-panel-title  { font-size: 1rem; font-weight: 700; color: var(--p-text); }
.p-panel-close  { background: none; border: none; color: var(--p-text-muted); font-size: 1.4rem; cursor: pointer; padding: 0.2rem; transition: color var(--p-transition); }
.p-panel-close:hover { color: var(--p-text); }
.p-panel-body   { padding: 1.25rem 1.5rem; }

/* ─── Section Headers ───────────────────────────────────────────────────── */
.p-section-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.65rem; padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--p-border-soft);
}
.p-section-title {
  font-size: 0.65rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--p-text-dim);
}
.p-section { margin-bottom: 1.5rem; }
.p-section-field label {
  font-size: 0.65rem; color: var(--p-text-dim); display: block;
  margin-bottom: 0.15rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
}
.p-section-field span { font-size: 0.85rem; color: var(--p-text); }
.p-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; }

/* ─── Status Badges ──────────────────────────────────────────────────────── */
.p-status-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.72rem; font-weight: 700; padding: 0.25rem 0.7rem;
  border-radius: var(--p-radius-sm); text-transform: uppercase; letter-spacing: 0.03em;
}
.p-status-new          { background: var(--p-surface2); color: var(--p-text-dim); }
.p-status-screening    { background: rgba(100,140,200,0.12); color: #7A9FC4; }
.p-status-eligible     { background: rgba(135,168,120,0.12); color: var(--p-sage); }
.p-status-needs_review { background: var(--p-yellow-glow); color: var(--p-yellow); }
.p-status-enrolled     { background: rgba(135,168,120,0.08); color: var(--p-sage-dim); }
.p-status-ineligible   { background: var(--p-red-glow); color: var(--p-red); }
.p-status-withdrawn    { background: var(--p-surface2); color: var(--p-text-dim); border: 1px solid var(--p-border); }
.p-status-draft        { background: var(--p-surface3); color: var(--p-text-dim); }
.p-status-active       { background: rgba(135,168,120,0.12); color: var(--p-sage); }
.p-status-paused       { background: var(--p-yellow-glow); color: var(--p-yellow); }
.p-status-completed    { background: var(--p-surface2); color: var(--p-text-muted); }

/* ─── Bulk Actions Bar ──────────────────────────────────────────────────── */
.p-bulk-bar {
  display: none; align-items: center; gap: 0.75rem;
  padding: 0.55rem 1.5rem;
  background: var(--p-gold);
  color: var(--p-inverse);
  font-size: 0.82rem; font-weight: 600;
}
.p-bulk-bar.visible { display: flex; }
.p-bulk-count { font-weight: 800; }
.p-bulk-btn {
  background: rgba(0,0,0,0.15); color: var(--p-text);
  border: 1px solid rgba(0,0,0,0.2); border-radius: var(--p-radius-sm);
  padding: 0.25rem 0.6rem; font-size: 0.78rem; font-family: var(--p-font);
  cursor: pointer; transition: background var(--p-transition);
}
.p-bulk-btn:hover { background: rgba(0,0,0,0.25); }
.p-bulk-btn.danger { color: #c0392b; border-color: rgba(192,57,43,0.4); }
.p-bulk-clear { margin-left: auto; background: none; border: none; color: rgba(0,0,0,0.5); cursor: pointer; font-size: 1rem; }
.p-bulk-clear:hover { color: rgba(0,0,0,0.8); }

/* ─── Filters Bar ───────────────────────────────────────────────────────── */
.p-filters {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.65rem 1.5rem;
  background: var(--p-surface);
  border-bottom: 1px solid var(--p-border);
  flex-wrap: wrap;
}
.p-filter-group { display: flex; align-items: center; gap: 0.35rem; }
.p-filter-label { font-size: 0.7rem; color: var(--p-text-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.p-filter-select, .p-filter-input {
  background: var(--p-surface2); color: var(--p-text);
  border: 1px solid var(--p-border); border-radius: var(--p-radius-sm);
  padding: 0.3rem 0.6rem; font-size: 0.78rem; font-family: var(--p-font);
  cursor: pointer; outline: none; transition: border-color var(--p-transition);
}
.p-filter-select:hover, .p-filter-input:hover { border-color: var(--p-gold-dim); }
.p-filter-select:focus, .p-filter-input:focus { border-color: var(--p-gold); }
.p-filter-input { min-width: 170px; }
.p-filter-select option { background: var(--p-surface2); }

/* ─── Tabs ──────────────────────────────────────────────────────────────── */
.p-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--p-border); margin-bottom: 1.1rem; }
.p-tab {
  padding: 0.5rem 1rem; font-size: 0.8rem; font-weight: 600; color: var(--p-text-muted);
  cursor: pointer; border: none; background: none; font-family: var(--p-font);
  border-bottom: 2px solid transparent; transition: all var(--p-transition);
  margin-bottom: -1px; white-space: nowrap;
}
.p-tab:hover  { color: var(--p-text); }
.p-tab.active { color: var(--p-gold); border-bottom-color: var(--p-gold); }

/* ─── Toggle Switch ─────────────────────────────────────────────────────── */
.p-toggle {
  position: relative; width: 38px; height: 20px; flex-shrink: 0;
}
.p-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.p-toggle-slider {
  position: absolute; inset: 0;
  background: var(--p-surface3);
  border: 1px solid var(--p-border);
  border-radius: 10px; cursor: pointer;
  transition: background var(--p-transition);
}
.p-toggle-slider::before {
  content: ''; position: absolute;
  height: 13px; width: 13px;
  left: 3px; bottom: 3px;
  background: var(--p-text-dim);
  border-radius: 50%;
  transition: transform var(--p-transition), background var(--p-transition);
}
.p-toggle input:checked + .p-toggle-slider { background: var(--p-gold); border-color: var(--p-gold); }
.p-toggle input:checked + .p-toggle-slider::before { transform: translateX(18px); background: var(--p-inverse); }

/* ─── Progress Bar ──────────────────────────────────────────────────────── */
.p-progress { height: 5px; background: var(--p-border-soft); border-radius: 9999px; overflow: hidden; }
.p-progress-fill { height: 100%; border-radius: 9999px; transition: width 0.5s cubic-bezier(0,0,0.2,1); }
.p-progress-fill.sage   { background: var(--p-sage); }
.p-progress-fill.yellow { background: var(--p-yellow); }
.p-progress-fill.dim    { background: var(--p-text-dim); }

/* ─── Toast Notifications ────────────────────────────────────────────────── */
.p-toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: var(--p-surface);
  border: 1px solid var(--p-sage-dim);
  color: var(--p-sage);
  padding: 0.6rem 1rem; border-radius: var(--p-radius);
  font-size: 0.8rem; font-weight: 600; z-index: 9999;
  display: none; box-shadow: var(--p-shadow-lift);
  animation: p-slideUp 0.2s ease;
}
.p-toast.error { border-color: var(--p-red-dim); color: var(--p-red); }
.p-toast.gold  { border-color: var(--p-gold-dim); color: var(--p-gold); }
@keyframes p-slideUp {
  from { transform: translateY(10px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ─── Spinner ───────────────────────────────────────────────────────────── */
.p-spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--p-border);
  border-top-color: var(--p-gold);
  border-radius: 50%;
  animation: p-spin 0.7s linear infinite;
  margin-right: 0.35rem;
}
@keyframes p-spin { to { transform: rotate(360deg); } }

/* ─── Alerts ────────────────────────────────────────────────────────────── */
.p-alert { padding: 0.6rem 0.9rem; border-radius: var(--p-radius-sm); font-size: 0.8rem; border: 1px solid; }
.p-alert-error   { background: var(--p-red-glow); border-color: var(--p-red-dim); color: var(--p-red); }
.p-alert-success { background: var(--p-sage-glow); border-color: var(--p-sage-dim); color: var(--p-sage); }
.p-alert-warning { background: var(--p-yellow-glow); border-color: var(--p-yellow-dim); color: var(--p-yellow); }

/* ─── Empty / Loading States ────────────────────────────────────────────── */
.p-empty { text-align: center; padding: 2.5rem 1rem; color: var(--p-text-dim); font-size: 0.82rem; }
.p-empty-icon { font-size: 2.2rem; margin-bottom: 0.65rem; opacity: 0.3; }
.p-loading-card { background: var(--p-surface2); border: 1px solid var(--p-border-soft); border-radius: var(--p-radius-sm); padding: 0.7rem; margin-bottom: 0.45rem; height: 88px; animation: p-shimmer 1.5s infinite; }
@keyframes p-shimmer { 0%,100%{opacity:0.4} 50%{opacity:0.7} }

/* ─── Criteria / Question Lists ─────────────────────────────────────────── */
.p-criteria-row {
  display: grid; grid-template-columns: 1fr 130px 1fr auto;
  gap: 0.4rem; align-items: center; margin-bottom: 0.4rem;
}
.p-criteria-row .p-input, .p-criteria-row .p-select {
  height: 34px; padding: 0 10px; font-size: 0.78rem;
}
.p-criteria-delete { background: none; border: none; color: var(--p-text-dim); cursor: pointer; font-size: 0.9rem; padding: 0.2rem; transition: color var(--p-transition); }
.p-criteria-delete:hover { color: var(--p-red); }

.p-question-item {
  background: var(--p-surface2); border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius); padding: 0.8rem 1rem;
  display: flex; align-items: flex-start; gap: 0.7rem;
  cursor: pointer; transition: border-color var(--p-transition), background var(--p-transition);
  margin-bottom: 0.4rem;
}
.p-question-item:hover  { border-color: var(--p-gold-dim); }
.p-question-item.selected { border-color: var(--p-gold); background: rgba(196,168,130,0.06); }
.p-drag-handle { color: var(--p-text-dim); cursor: grab; font-size: 1rem; line-height: 1.4; flex-shrink: 0; user-select: none; }
.p-question-info { flex: 1; min-width: 0; }
.p-question-text { font-size: 0.85rem; color: var(--p-text); margin-bottom: 0.15rem; line-height: 1.4; }
.p-question-meta { font-size: 0.65rem; color: var(--p-text-dim); display: flex; gap: 0.6rem; }
.p-question-type-badge { font-size: 0.6rem; font-weight: 700; padding: 0.08rem 0.3rem; border-radius: 3px; background: var(--p-surface3); color: var(--p-text-dim); border: 1px solid var(--p-border); text-transform: uppercase; }
.p-question-actions { display: flex; gap: 0.3rem; flex-shrink: 0; }
.p-question-actions button { background: none; border: none; color: var(--p-text-dim); cursor: pointer; font-size: 0.8rem; padding: 0.1rem; transition: color var(--p-transition); }
.p-question-actions button:hover { color: var(--p-text); }

/* ─── Branching / Options Editor ─────────────────────────────────────────── */
.p-branching-row { display: flex; align-items: center; gap: 0.45rem; font-size: 0.78rem; color: var(--p-text-muted); margin-bottom: 0.35rem; }
.p-option-row { display: flex; gap: 0.35rem; align-items: center; margin-bottom: 0.3rem; }
.p-option-row .p-input { flex: 1; }
.p-remove-btn { background: none; border: none; color: var(--p-text-dim); cursor: pointer; font-size: 0.85rem; padding: 0.15rem; transition: color var(--p-transition); }
.p-remove-btn:hover { color: var(--p-red); }

/* ─── Eligibility / Status Result Boxes ────────────────────────────────── */
.p-eligibility-box { padding: 0.7rem 0.9rem; border-radius: var(--p-radius-sm); margin-top: 0.5rem; }
.p-eligibility-box.eligible    { background: rgba(135,168,120,0.1); border: 1px solid var(--p-sage-dim); }
.p-eligibility-box.ineligible  { background: var(--p-red-glow); border: 1px solid var(--p-red-dim); }
.p-eligibility-box.needs_review { background: var(--p-yellow-glow); border: 1px solid var(--p-yellow-dim); }
.p-eligibility-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--p-text-dim); margin-bottom: 0.15rem; }
.p-eligibility-reason { font-size: 0.82rem; color: var(--p-text); }

/* ─── Communication History ─────────────────────────────────────────────── */
.p-comm-item { display: flex; align-items: flex-start; gap: 0.7rem; padding: 0.6rem 0; border-bottom: 1px solid var(--p-border-soft); }
.p-comm-item:last-child { border-bottom: none; }
.p-comm-icon { font-size: 1rem; opacity: 0.5; min-width: 20px; }
.p-comm-type { font-size: 0.82rem; font-weight: 600; color: var(--p-text); }
.p-comm-meta { font-size: 0.7rem; color: var(--p-text-dim); margin-top: 0.08rem; }
.p-comm-status { font-size: 0.65rem; font-weight: 700; padding: 0.08rem 0.35rem; border-radius: 3px; }
.p-comm-status.sent, .p-comm-status.delivered { color: var(--p-sage); background: rgba(135,168,120,0.1); }
.p-comm-status.failed { color: var(--p-red); }
.p-comm-status.pending { color: var(--p-yellow); }

/* ─── Response Table ────────────────────────────────────────────────────── */
.p-response-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
.p-response-table th { text-align: left; font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--p-text-dim); padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--p-border-soft); }
.p-response-table td { padding: 0.5rem; border-bottom: 1px solid var(--p-border-soft); vertical-align: top; }
.p-response-table tr:last-child td { border-bottom: none; }
.p-criterion-icon { font-weight: 800; font-size: 1rem; }
.p-criterion-icon.pass  { color: var(--p-sage); }
.p-criterion-icon.fail  { color: var(--p-red); }
.p-criterion-icon.maybe { color: var(--p-yellow); }
.p-response-section { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--p-text-dim); padding: 0.5rem 0.5rem 0.2rem; border-bottom: 1px solid var(--p-border-soft); }
.p-response-question { color: var(--p-text-muted); font-size: 0.75rem; }
.p-response-answer   { color: var(--p-text); font-weight: 600; margin-top: 0.12rem; }

/* ─── Notes / Status Override ───────────────────────────────────────────── */
.p-status-override { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.65rem; flex-wrap: wrap; }
.p-notes-area {
  width: 100%; background: var(--p-surface2); color: var(--p-text);
  border: 1px solid var(--p-border); border-radius: var(--p-radius-sm);
  padding: 0.6rem 0.75rem; font-size: 0.82rem; font-family: var(--p-font);
  resize: vertical; min-height: 85px; outline: none;
  transition: border-color var(--p-transition), box-shadow var(--p-transition);
}
.p-notes-area:focus { border-color: var(--p-gold); box-shadow: 0 0 0 3px var(--p-gold-glow); }

/* ─── Meta Bar ──────────────────────────────────────────────────────────── */
.p-meta-bar { background: var(--p-surface2); border-radius: var(--p-radius-sm); padding: 0.7rem 1rem; display: flex; gap: 1.5rem; font-size: 0.75rem; color: var(--p-text-muted); margin-bottom: 1.1rem; }
.p-meta-bar strong { color: var(--p-text); }

/* ─── Utility ────────────────────────────────────────────────────────────── */
.hidden        { display: none !important; }
.mt-1          { margin-top: 0.75rem; }
.mt-2          { margin-top: 1.25rem; }
.mb-1          { margin-bottom: 0.75rem; }
.mb-2          { margin-bottom: 1.25rem; }
.text-muted    { color: var(--p-text-muted); }
.text-dim      { color: var(--p-text-dim); }
.flex          { display: flex; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.gap-1         { gap: 0.5rem; }
.gap-2         { gap: 0.75rem; }
.gap-3         { gap: 1rem; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .p-stats-grid   { grid-template-columns: repeat(3, 1fr); }
  .p-kpi-grid     { grid-template-columns: repeat(3, 1fr); }
  .p-panel        { width: 100%; }
  .p-form-row     { grid-template-columns: 1fr; }
  .p-criteria-row { grid-template-columns: 1fr 1fr; }
  .p-detail-grid  { grid-template-columns: 1fr; }
  .p-page-header  { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .p-filters      { gap: 0.4rem; }
  .p-nav-brand    { font-size: 0.8rem; }
  .p-nav-links    { display: none; }
  .p-kanban-col   { min-width: 190px; }
}

@media (max-width: 480px) {
  .p-stats-grid   { grid-template-columns: repeat(2, 1fr); }
  .p-kpi-grid     { grid-template-columns: repeat(2, 1fr); }
  .p-container    { padding: 1rem; }
  .p-kanban       { padding: 0.75rem; }
}

@media (max-width: 375px) {
  .p-stats-grid   { grid-template-columns: repeat(2, 1fr); }
  .p-kpi-grid     { grid-template-columns: repeat(2, 1fr); }
  .p-stat-value   { font-size: 1.3rem; }
  .p-kpi-value    { font-size: 1.3rem; }
  .p-btn          { height: 36px; font-size: 0.78rem; }
  .p-btn-lg       { height: 42px; }
}

/* ─── Scrollbar styling ──────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--p-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--p-text-dim); }

/* ─── Coordinator Shell ──────────────────────────────────────────────────── */
/* Shared nav + layout for all coordinator screens — no per-page duplication needed */
.p-coord-body { min-height: 100vh; display: flex; flex-direction: column; }
.p-coord-main { flex: 1; }

/* ─── Enhanced Kanban Board ──────────────────────────────────────────────── */
.p-kanban {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 1rem 1.25rem 2rem;
  min-height: calc(100vh - 200px);
  align-items: flex-start;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--p-border) transparent;
}
.p-kanban::-webkit-scrollbar { height: 4px; }
.p-kanban::-webkit-scrollbar-track { background: transparent; }
.p-kanban::-webkit-scrollbar-thumb { background: var(--p-border-soft); border-radius: 2px; }

.p-kanban-col {
  min-width: 210px;
  max-width: 260px;
  flex: 1;
  background: var(--p-surface);
  border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius);
  overflow: hidden;
  box-shadow: var(--p-shadow-card);
  scroll-snap-align: start;
  transition: border-color var(--p-transition-md), box-shadow var(--p-transition-md);
}
.p-kanban-col:hover {
  border-color: var(--p-gold-dim);
  box-shadow: var(--p-shadow-lift), 0 0 0 1px rgba(196,168,130,0.1);
}
.p-kanban-header {
  padding: 0.65rem 0.9rem;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--p-border-soft);
  background: var(--p-surface2);
}
.p-kanban-count {
  font-size: 0.72rem; font-weight: 600;
  padding: 0.08rem 0.4rem;
  border-radius: 9999px;
  background: var(--p-surface3);
  color: var(--p-text-dim);
}
.p-kanban-cards { padding: 0.5rem; min-height: 80px; }

/* Column accent colors */
.col-new          .p-kanban-header { color: #7a7a7a; }
.col-screening     .p-kanban-header { color: #7A9FC4; }
.col-eligible      .p-kanban-header { color: var(--p-sage); }
.col-needs_review  .p-kanban-header { color: var(--p-yellow); }
.col-enrolled      .p-kanban-header { color: var(--p-sage-dim); }
.col-ineligible    .p-kanban-header { color: var(--p-red-dim); }
.col-withdrawn     .p-kanban-header { color: var(--p-text-dim); }

/* ─── Participant Card (enhanced) ───────────────────────────────────────── */
.p-card-select {
  position: absolute; top: 0.45rem; left: 0.45rem;
  opacity: 0; width: 15px; height: 15px; cursor: pointer;
}
.p-participant-card {
  position: relative;
  background: var(--p-surface2);
  border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius-sm);
  padding: 0.7rem 0.75rem;
  margin-bottom: 0.45rem;
  cursor: pointer;
  transition: border-color var(--p-transition-md), transform var(--p-transition-md), box-shadow var(--p-transition-md);
  user-select: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
  animation: p-cardIn 0.25s ease both;
}
@keyframes p-cardIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.p-participant-card:hover {
  border-color: var(--p-gold-dim);
  transform: translateY(-2px);
  box-shadow: var(--p-shadow-lift), inset 0 1px 0 rgba(255,255,255,0.05);
}
.p-participant-card.selected {
  border-color: var(--p-gold);
  background: rgba(196,168,130,0.06);
  box-shadow: 0 0 0 1px rgba(196,168,130,0.3), inset 0 1px 0 rgba(255,255,255,0.05);
}
.p-participant-card:hover .p-card-select,
.p-participant-card.selected .p-card-select { opacity: 1; }
.p-card-name   { font-size: 0.8rem; font-weight: 600; color: var(--p-text); margin-bottom: 0.15rem; padding-left: 20px; }
.p-card-study  { font-size: 0.68rem; color: var(--p-text-muted); margin-bottom: 0.45rem; padding-left: 20px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.p-card-progress { height: 3px; background: var(--p-border-soft); border-radius: 2px; margin-bottom: 0.4rem; }
.p-card-progress-fill { height: 100%; border-radius: 2px; transition: width 0.4s; }
.p-card-meta   { display: flex; justify-content: space-between; align-items: center; }
.p-card-status-badge { font-size: 0.6rem; font-weight: 700; padding: 0.08rem 0.35rem; border-radius: 3px; text-transform: uppercase; }
.p-card-source { display: flex; align-items: center; gap: 0.2rem; }
.p-card-src-icon { width: 11px; height: 11px; opacity: 0.4; }
.p-card-time   { font-size: 0.62rem; color: var(--p-text-dim); margin-top: 0.15rem; }
.badge-eligible     { background: rgba(135,168,120,0.15); color: var(--p-sage); }
.badge-ineligible   { background: var(--p-red-glow); color: var(--p-red); }
.badge-needs_review { background: var(--p-yellow-glow); color: var(--p-yellow); }
.badge-pending      { background: var(--p-surface3); color: var(--p-text-dim); border: 1px solid var(--p-border); }

/* ─── Bulk Actions Bar (dark-theme fix) ──────────────────────────────────── */
.p-bulk-bar {
  display: none; align-items: center; gap: 0.75rem;
  padding: 0.55rem 1.5rem;
  background: var(--p-surface2);
  border-bottom: 1px solid var(--p-border);
  font-size: 0.82rem;
}
.p-bulk-bar.visible { display: flex; }
.p-bulk-count {
  font-weight: 800;
  background: var(--p-gold);
  color: var(--p-inverse);
  padding: 0.05rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  min-width: 24px;
  text-align: center;
}
.p-bulk-btn {
  background: var(--p-surface3); color: var(--p-text-muted);
  border: 1px solid var(--p-border); border-radius: var(--p-radius-sm);
  padding: 0.25rem 0.65rem; font-size: 0.78rem; font-family: var(--p-font);
  cursor: pointer; transition: all var(--p-transition);
}
.p-bulk-btn:hover { background: var(--p-gold-glow); color: var(--p-gold); border-color: var(--p-gold-dim); }
.p-bulk-btn.danger { color: var(--p-red); border-color: var(--p-red-dim); }
.p-bulk-btn.danger:hover { background: var(--p-red-glow); }
.p-bulk-clear { margin-left: auto; background: none; border: none; color: var(--p-text-dim); cursor: pointer; font-size: 1rem; padding: 0.2rem; }
.p-bulk-clear:hover { color: var(--p-text); }

/* ─── Stat Tiles (enhanced) ──────────────────────────────────────────────── */
.p-stat-tile {
  position: relative;
  overflow: hidden;
  transition: transform var(--p-transition-md);
}
.p-stat-tile::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--p-gold-dim);
  opacity: 0;
  transition: opacity var(--p-transition-md);
}
.p-stat-tile.gold-accent::before { background: var(--p-gold); opacity: 0.6; }
.p-stat-tile.sage-accent::before  { background: var(--p-sage);  opacity: 0.6; }
.p-stat-tile:hover::before { opacity: 1; }
.p-stat-tile:hover { transform: translateY(-1px); }

/* ─── Loading skeleton ───────────────────────────────────────────────────── */
.p-skeleton-card {
  background: var(--p-surface2);
  border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius-sm);
  padding: 0.7rem 0.75rem;
  margin-bottom: 0.45rem;
  height: 90px;
  animation: p-shimmer 1.5s infinite;
}
@keyframes p-shimmer {
  0%,100% { opacity: 0.4; }
  50%      { opacity: 0.7; }
}

/* ─── Study Cards (enhanced) ────────────────────────────────────────────── */
.p-study-card {
  background: var(--p-surface);
  border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: border-color var(--p-transition-md), transform var(--p-transition-md), box-shadow var(--p-transition-md);
  box-shadow: var(--p-shadow-card);
  animation: p-cardIn 0.3s ease both;
}
.p-study-card:hover {
  border-color: var(--p-gold-dim);
  transform: translateY(-2px);
  box-shadow: var(--p-shadow-lift), 0 0 0 1px rgba(196,168,130,0.12);
}
.p-study-info { flex: 1; min-width: 0; }
.p-study-title { font-size: 0.92rem; font-weight: 700; color: var(--p-text); margin-bottom: 0.2rem; }
.p-study-meta  { font-size: 0.72rem; color: var(--p-text-muted); display: flex; gap: 1rem; flex-wrap: wrap; }
.p-study-q     { font-size: 0.68rem; color: var(--p-text-dim); margin-top: 0.15rem; }
.p-study-actions { display: flex; gap: 0.4rem; align-items: center; flex-shrink: 0; }

/* ─── Info Box / Alert ────────────────────────────────────────────────────── */
.p-alert-info { background: var(--p-sage-glow); border-color: var(--p-sage-dim); color: var(--p-sage); padding: 0.65rem 1rem; border-radius: var(--p-radius-sm); font-size: 0.8rem; border: 1px solid; }

/* ─── Locale Tabs ─────────────────────────────────────────────────────────── */
.locale-tabs { display: flex; gap: 0.4rem; }
.locale-tab { padding: 0.3rem 0.8rem; border-radius: var(--p-radius-sm); font-size: 0.72rem; font-weight: 700; border: 1px solid var(--p-border); cursor: pointer; color: var(--p-text-dim); background: transparent; transition: all var(--p-transition); }
.locale-tab:hover { color: var(--p-text); border-color: var(--p-gold-dim); }
.locale-tab.active { border-color: var(--p-gold-dim); color: var(--p-gold); background: var(--p-surface2); }

/* ─── Criteria / Question Lists (enhanced) ──────────────────────────────── */
.p-criteria-row {
  display: grid; grid-template-columns: 1fr 130px 1fr auto;
  gap: 0.4rem; align-items: center; margin-bottom: 0.4rem;
}
.p-criteria-row .p-input, .p-criteria-row .p-select {
  height: 34px; padding: 0 10px; font-size: 0.78rem;
}
.p-criteria-delete { background: none; border: none; color: var(--p-text-dim); cursor: pointer; font-size: 0.9rem; padding: 0.2rem; transition: color var(--p-transition); }
.p-criteria-delete:hover { color: var(--p-red); }

.p-question-item {
  background: var(--p-surface2); border: 1px solid var(--p-border-soft);
  border-radius: var(--p-radius); padding: 0.8rem 1rem;
  display: flex; align-items: flex-start; gap: 0.7rem;
  cursor: pointer; transition: border-color var(--p-transition-md), background var(--p-transition-md);
  margin-bottom: 0.4rem;
  animation: p-cardIn 0.2s ease both;
}
.p-question-item:hover  { border-color: var(--p-gold-dim); }
.p-question-item.selected { border-color: var(--p-gold); background: rgba(196,168,130,0.06); }
.p-drag-handle { color: var(--p-text-dim); cursor: grab; font-size: 1rem; line-height: 1.4; flex-shrink: 0; user-select: none; }
.p-question-info { flex: 1; min-width: 0; }
.p-question-text { font-size: 0.85rem; color: var(--p-text); margin-bottom: 0.15rem; line-height: 1.4; }
.p-question-meta { font-size: 0.65rem; color: var(--p-text-dim); display: flex; gap: 0.6rem; }
.p-question-type-badge { font-size: 0.6rem; font-weight: 700; padding: 0.08rem 0.3rem; border-radius: 3px; background: var(--p-surface3); color: var(--p-text-dim); border: 1px solid var(--p-border); text-transform: uppercase; }
.p-question-actions { display: flex; gap: 0.3rem; flex-shrink: 0; }
.p-question-actions button { background: none; border: none; color: var(--p-text-dim); cursor: pointer; font-size: 0.8rem; padding: 0.1rem; transition: color var(--p-transition); }
.p-question-actions button:hover { color: var(--p-text); }

/* ─── Slide-Over Panel ──────────────────────────────────────────────────── */
.p-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 200; opacity: 0; transition: opacity var(--p-transition-md);
  pointer-events: none;
}
.p-backdrop.open { opacity: 1; pointer-events: all; }
.p-panel {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 540px; background: var(--p-surface);
  border-left: 1px solid var(--p-border);
  z-index: 201; overflow-y: auto;
  transform: translateX(100%); transition: transform var(--p-transition-md);
  box-shadow: -8px 0 40px rgba(0,0,0,0.3);
}
.p-panel.open   { transform: translateX(0); }
.p-panel.wide   { width: 700px; }
.p-panel-header {
  padding: 1.1rem 1.5rem; border-bottom: 1px solid var(--p-border);
  display: flex; justify-content: space-between; align-items: center;
  position: sticky; top: 0; background: var(--p-surface); z-index: 1;
}
.p-panel-title  { font-size: 1rem; font-weight: 700; color: var(--p-text); }
.p-panel-close  { background: none; border: none; color: var(--p-text-muted); font-size: 1.4rem; cursor: pointer; padding: 0.2rem; transition: color var(--p-transition); }
.p-panel-close:hover { color: var(--p-text); }
.p-panel-body   { padding: 1.25rem 1.5rem; }

/* ─── Section Headers ───────────────────────────────────────────────────── */
.p-section-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.65rem; padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--p-border-soft);
}
.p-section-title {
  font-size: 0.65rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--p-text-dim);
}
.p-section { margin-bottom: 1.5rem; }
.p-section-field label {
  font-size: 0.65rem; color: var(--p-text-dim); display: block;
  margin-bottom: 0.15rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
}
.p-section-field span { font-size: 0.85rem; color: var(--p-text); }
.p-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; }

/* ─── Status Badges ──────────────────────────────────────────────────────── */
.p-status-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.72rem; font-weight: 700; padding: 0.25rem 0.7rem;
  border-radius: var(--p-radius-sm); text-transform: uppercase; letter-spacing: 0.03em;
}
.p-status-new          { background: var(--p-surface2); color: var(--p-text-dim); }
.p-status-screening    { background: rgba(100,140,200,0.12); color: #7A9FC4; }
.p-status-eligible     { background: rgba(135,168,120,0.12); color: var(--p-sage); }
.p-status-needs_review { background: var(--p-yellow-glow); color: var(--p-yellow); }
.p-status-enrolled     { background: rgba(135,168,120,0.08); color: var(--p-sage-dim); }
.p-status-ineligible   { background: var(--p-red-glow); color: var(--p-red); }
.p-status-withdrawn    { background: var(--p-surface2); color: var(--p-text-dim); border: 1px solid var(--p-border); }
.p-status-draft        { background: var(--p-surface3); color: var(--p-text-dim); }
.p-status-active       { background: rgba(135,168,120,0.12); color: var(--p-sage); }
.p-status-paused       { background: var(--p-yellow-glow); color: var(--p-yellow); }
.p-status-completed    { background: var(--p-surface2); color: var(--p-text-muted); }

/* ─── Filters Bar ───────────────────────────────────────────────────────── */
.p-filters {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.65rem 1.5rem;
  background: var(--p-surface);
  border-bottom: 1px solid var(--p-border);
  flex-wrap: wrap;
}
.p-filter-group { display: flex; align-items: center; gap: 0.35rem; }
.p-filter-label { font-size: 0.7rem; color: var(--p-text-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.p-filter-select, .p-filter-input {
  background: var(--p-surface2); color: var(--p-text);
  border: 1px solid var(--p-border); border-radius: var(--p-radius-sm);
  padding: 0.3rem 0.6rem; font-size: 0.78rem; font-family: var(--p-font);
  cursor: pointer; outline: none; transition: border-color var(--p-transition), box-shadow var(--p-transition);
}
.p-filter-select:hover, .p-filter-input:hover { border-color: var(--p-gold-dim); }
.p-filter-select:focus, .p-filter-input:focus { border-color: var(--p-gold); box-shadow: 0 0 0 2px var(--p-gold-glow); }
.p-filter-input { min-width: 170px; }
.p-filter-select option { background: var(--p-surface2); }

/* ─── Tabs ──────────────────────────────────────────────────────────────── */
.p-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--p-border); margin-bottom: 1.1rem; }
.p-tab {
  padding: 0.5rem 1rem; font-size: 0.8rem; font-weight: 600; color: var(--p-text-muted);
  cursor: pointer; border: none; background: none; font-family: var(--p-font);
  border-bottom: 2px solid transparent; transition: all var(--p-transition);
  margin-bottom: -1px; white-space: nowrap;
}
.p-tab:hover  { color: var(--p-text); }
.p-tab.active { color: var(--p-gold); border-bottom-color: var(--p-gold); }

/* ─── Toggle Switch ─────────────────────────────────────────────────────── */
.p-toggle {
  position: relative; width: 38px; height: 20px; flex-shrink: 0;
}
.p-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.p-toggle-slider {
  position: absolute; inset: 0;
  background: var(--p-surface3);
  border: 1px solid var(--p-border);
  border-radius: 10px; cursor: pointer;
  transition: background var(--p-transition);
}
.p-toggle-slider::before {
  content: ''; position: absolute;
  height: 13px; width: 13px;
  left: 3px; bottom: 3px;
  background: var(--p-text-dim);
  border-radius: 50%;
  transition: transform var(--p-transition), background var(--p-transition);
}
.p-toggle input:checked + .p-toggle-slider { background: var(--p-gold); border-color: var(--p-gold); }
.p-toggle input:checked + .p-toggle-slider::before { transform: translateX(18px); background: var(--p-inverse); }

/* ─── Toast Notifications ────────────────────────────────────────────────── */
.p-toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: var(--p-surface);
  border: 1px solid var(--p-sage-dim);
  color: var(--p-sage);
  padding: 0.6rem 1rem; border-radius: var(--p-radius);
  font-size: 0.8rem; font-weight: 600; z-index: 9999;
  display: none; box-shadow: var(--p-shadow-lift);
  animation: p-slideUp 0.2s ease;
}
.p-toast.error { border-color: var(--p-red-dim); color: var(--p-red); }
.p-toast.gold  { border-color: var(--p-gold-dim); color: var(--p-gold); }
@keyframes p-slideUp {
  from { transform: translateY(10px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ─── Spinner ───────────────────────────────────────────────────────────── */
.p-spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--p-border);
  border-top-color: var(--p-gold);
  border-radius: 50%;
  animation: p-spin 0.7s linear infinite;
  margin-right: 0.35rem;
}
@keyframes p-spin { to { transform: rotate(360deg); } }

/* ─── Alerts ────────────────────────────────────────────────────────────── */
.p-alert { padding: 0.6rem 0.9rem; border-radius: var(--p-radius-sm); font-size: 0.8rem; border: 1px solid; }
.p-alert-error   { background: var(--p-red-glow); border-color: var(--p-red-dim); color: var(--p-red); }
.p-alert-success { background: var(--p-sage-glow); border-color: var(--p-sage-dim); color: var(--p-sage); }
.p-alert-warning { background: var(--p-yellow-glow); border-color: var(--p-yellow-dim); color: var(--p-yellow); }

/* ─── Empty / Loading States ────────────────────────────────────────────── */
.p-empty { text-align: center; padding: 2.5rem 1rem; color: var(--p-text-dim); font-size: 0.82rem; }
.p-empty-icon { font-size: 2.2rem; margin-bottom: 0.65rem; opacity: 0.3; }

/* ─── Eligibility / Status Result Boxes ────────────────────────────────── */
.p-eligibility-box { padding: 0.7rem 0.9rem; border-radius: var(--p-radius-sm); margin-top: 0.5rem; }
.p-eligibility-box.eligible    { background: rgba(135,168,120,0.1); border: 1px solid var(--p-sage-dim); }
.p-eligibility-box.ineligible  { background: var(--p-red-glow); border: 1px solid var(--p-red-dim); }
.p-eligibility-box.needs_review { background: var(--p-yellow-glow); border: 1px solid var(--p-yellow-dim); }
.p-eligibility-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--p-text-dim); margin-bottom: 0.15rem; }
.p-eligibility-reason { font-size: 0.82rem; color: var(--p-text); }

/* ─── Communication History ─────────────────────────────────────────────── */
.p-comm-item { display: flex; align-items: flex-start; gap: 0.7rem; padding: 0.6rem 0; border-bottom: 1px solid var(--p-border-soft); }
.p-comm-item:last-child { border-bottom: none; }
.p-comm-icon { font-size: 1rem; opacity: 0.5; min-width: 20px; }
.p-comm-type { font-size: 0.82rem; font-weight: 600; color: var(--p-text); }
.p-comm-meta { font-size: 0.7rem; color: var(--p-text-dim); margin-top: 0.08rem; }
.p-comm-status { font-size: 0.65rem; font-weight: 700; padding: 0.08rem 0.35rem; border-radius: 3px; }
.p-comm-status.sent, .p-comm-status.delivered { color: var(--p-sage); background: rgba(135,168,120,0.1); }
.p-comm-status.failed { color: var(--p-red); }
.p-comm-status.pending { color: var(--p-yellow); }

/* ─── Response Table ────────────────────────────────────────────────────── */
.p-response-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
.p-response-table th { text-align: left; font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--p-text-dim); padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--p-border-soft); }
.p-response-table td { padding: 0.5rem; border-bottom: 1px solid var(--p-border-soft); vertical-align: top; }
.p-response-table tr:last-child td { border-bottom: none; }
.p-criterion-icon { font-weight: 800; font-size: 1rem; }
.p-criterion-icon.pass  { color: var(--p-sage); }
.p-criterion-icon.fail  { color: var(--p-red); }
.p-criterion-icon.maybe { color: var(--p-yellow); }
.p-response-section { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--p-text-dim); padding: 0.5rem 0.5rem 0.2rem; border-bottom: 1px solid var(--p-border-soft); }
.p-response-question { color: var(--p-text-muted); font-size: 0.75rem; }
.p-response-answer   { color: var(--p-text); font-weight: 600; margin-top: 0.12rem; }

/* ─── Notes / Status Override ───────────────────────────────────────────── */
.p-status-override { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.65rem; flex-wrap: wrap; }
.p-notes-area {
  width: 100%; background: var(--p-surface2); color: var(--p-text);
  border: 1px solid var(--p-border); border-radius: var(--p-radius-sm);
  padding: 0.6rem 0.75rem; font-size: 0.82rem; font-family: var(--p-font);
  resize: vertical; min-height: 85px; outline: none;
  transition: border-color var(--p-transition), box-shadow var(--p-transition);
}
.p-notes-area:focus { border-color: var(--p-gold); box-shadow: 0 0 0 3px var(--p-gold-glow); }

/* ─── Meta Bar ──────────────────────────────────────────────────────────── */
.p-meta-bar { background: var(--p-surface2); border-radius: var(--p-radius-sm); padding: 0.7rem 1rem; display: flex; gap: 1.5rem; font-size: 0.75rem; color: var(--p-text-muted); margin-bottom: 1.1rem; }
.p-meta-bar strong { color: var(--p-text); }

/* ─── Branching / Options Editor ─────────────────────────────────────────── */
.p-branching-row { display: flex; align-items: center; gap: 0.45rem; font-size: 0.78rem; color: var(--p-text-muted); margin-bottom: 0.35rem; }
.p-option-row { display: flex; gap: 0.35rem; align-items: center; margin-bottom: 0.3rem; }
.p-option-row .p-input { flex: 1; }
.p-remove-btn { background: none; border: none; color: var(--p-text-dim); cursor: pointer; font-size: 0.85rem; padding: 0.15rem; transition: color var(--p-transition); }
.p-remove-btn:hover { color: var(--p-red); }

/* ─── Utility ────────────────────────────────────────────────────────────── */
.hidden        { display: none !important; }
.mt-1          { margin-top: 0.75rem; }
.mt-2          { margin-top: 1.25rem; }
.mb-1          { margin-bottom: 0.75rem; }
.mb-2          { margin-bottom: 1.25rem; }
.text-muted    { color: var(--p-text-muted); }
.text-dim      { color: var(--p-text-dim); }
.flex          { display: flex; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.gap-1         { gap: 0.5rem; }
.gap-2         { gap: 0.75rem; }
.gap-3         { gap: 1rem; }

/* ─── Responsive (comprehensive) ──────────────────────────────────────── */
@media (max-width: 900px) {
  .p-panel        { width: 100%; }
  .p-panel.wide   { width: 100%; }
  .icf-split      { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .p-stats-grid   { grid-template-columns: repeat(3, 1fr); }
  .p-kpi-grid     { grid-template-columns: repeat(3, 1fr); }
  .p-form-row     { grid-template-columns: 1fr; }
  .p-criteria-row { grid-template-columns: 1fr 1fr; }
  .p-detail-grid  { grid-template-columns: 1fr; }
  .p-page-header  { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .p-filters      { gap: 0.4rem; padding: 0.5rem 1rem; }
  .p-nav-brand    { font-size: 0.8rem; }
  .p-kanban       { padding: 0.75rem 0.5rem; }
  .p-kanban-col   { min-width: 190px; }
  .p-filter-input { min-width: 130px; }
  .wizard-steps   { gap: 0; }
  .wizard-step-label { display: none; }
  .p-study-card   { flex-wrap: wrap; }
  .p-study-actions { width: 100%; justify-content: flex-end; }
  .icf-split      { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .p-stats-grid   { grid-template-columns: repeat(2, 1fr); }
  .p-kpi-grid     { grid-template-columns: repeat(2, 1fr); }
  .p-container    { padding: 1rem; }
  .p-kanban       { padding: 0.5rem 0.25rem; }
  .p-kanban-col   { min-width: 175px; }
  .p-bulk-bar     { padding: 0.45rem 1rem; font-size: 0.78rem; }
  .detail-container { padding: 1rem; }
}

@media (max-width: 375px) {
  .p-stats-grid   { grid-template-columns: repeat(2, 1fr); }
  .p-kpi-grid     { grid-template-columns: repeat(2, 1fr); }
  .p-stat-value   { font-size: 1.3rem; }
  .p-kpi-value    { font-size: 1.3rem; }
  .p-btn          { height: 36px; font-size: 0.78rem; }
  .p-btn-lg       { height: 42px; }
  .p-kanban-col   { min-width: 160px; }
  .p-kanban-header { padding: 0.5rem 0.6rem; }
  .p-kanban-cards { padding: 0.35rem; }
  .wizard-title   { font-size: 1rem; }
  .wizard-nav     { flex-direction: column; gap: 0.5rem; }
  .wizard-nav .p-btn { width: 100%; }
}

/* ─── Backward-compat aliases — must override in-page :root ───────────────── */
/* In-page :root in <style> cascades after <link> stylesheet :root,          */
/* so !important is required to beat billing.html etc.                        */
html:not(#*) {
  --ink:             var(--p-text) !important;
  --white:           var(--p-bg) !important;
  --light-gray:      var(--p-surface2) !important;
  --green:           var(--p-gold) !important;
  --green-light:     var(--p-gold-dim) !important;
  --green-secondary: var(--p-gold-dim) !important;
  --green-accent:    var(--p-sage) !important;
  --green-dim:       var(--p-gold-glow) !important;
  --mist:            var(--p-border) !important;
  --mist-dark:       var(--p-border-strong) !important;
  --warm-gray:       var(--p-text-muted) !important;
  --warm-gray-light: var(--p-text-dim) !important;
  --red:             var(--p-red) !important;
  --red-dim:         var(--p-red-glow) !important;
}

.bright html:not(#*) {
  --ink:             var(--p-text) !important;
  --white:           var(--p-bg) !important;
  --light-gray:      var(--p-surface2) !important;
  --green:           var(--p-gold) !important;
  --green-light:     var(--p-gold-dim) !important;
  --green-secondary: var(--p-gold-dim) !important;
  --green-accent:    var(--p-sage) !important;
  --green-dim:       var(--p-gold-glow) !important;
  --mist:            var(--p-border) !important;
  --mist-dark:       var(--p-border-strong) !important;
  --warm-gray:       var(--p-text-muted) !important;
  --warm-gray-light: var(--p-text-dim) !important;
  --red:             var(--p-red) !important;
  --red-dim:         var(--p-red-glow) !important;
}