/* ============================================================
   RCM DENIALS — DESIGN SYSTEM
   Premium Healthcare SaaS · Dark/Light Mode · Glassmorphism
   ============================================================ */

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

/* ── TOKENS ──────────────────────────────────────────────── */
:root {
  --hue-brand: 174;

  /* Brand */
  --brand-50:  hsl(174, 80%, 95%);
  --brand-100: hsl(174, 75%, 85%);
  --brand-200: hsl(174, 70%, 70%);
  --brand-400: hsl(174, 85%, 48%);
  --brand-500: hsl(174, 90%, 38%);
  --brand-600: hsl(174, 95%, 30%);

  /* Amber */
  --amber-300: hsl(38, 95%, 68%);
  --amber-400: hsl(38, 95%, 58%);
  --amber-500: hsl(38, 92%, 48%);

  /* Red */
  --red-400: hsl(0, 85%, 62%);
  --red-500: hsl(0, 85%, 52%);

  /* Green */
  --green-400: hsl(145, 65%, 55%);
  --green-500: hsl(145, 65%, 45%);

  /* Typography */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.15), 0 2px 4px rgba(0,0,0,.1);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.2), 0 4px 8px rgba(0,0,0,.12);
  --shadow-glow: 0 0 24px rgba(0,212,184,.18);

  /* Transitions */
  --ease-out: cubic-bezier(.22,1,.36,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --t-fast: 150ms;
  --t-base: 250ms;
  --t-slow: 400ms;
}

/* ── DARK MODE (DEFAULT) ─────────────────────────────────── */
[data-theme="dark"], :root {
  --bg-base:      hsl(222, 28%, 7%);
  --bg-surface:   hsl(222, 24%, 10%);
  --bg-elevated:  hsl(222, 22%, 13%);
  --bg-overlay:   hsl(222, 20%, 16%);
  --bg-hover:     hsl(222, 18%, 19%);

  --border-subtle: hsl(222, 16%, 20%);
  --border-base:   hsl(222, 16%, 25%);
  --border-strong: hsl(222, 16%, 35%);

  --text-primary:   hsl(210, 25%, 95%);
  --text-secondary: hsl(210, 15%, 68%);
  --text-muted:     hsl(210, 12%, 48%);
  --text-disabled:  hsl(210, 10%, 32%);

  --glass-bg:     rgba(255,255,255,.03);
  --glass-border: rgba(255,255,255,.07);

  --sidebar-bg: hsl(222, 26%, 8%);
  --header-bg:  hsl(222, 28%, 7%);

  --scrollbar-track: hsl(222, 24%, 10%);
  --scrollbar-thumb: hsl(222, 16%, 28%);
}

/* ── LIGHT MODE ──────────────────────────────────────────── */
[data-theme="light"] {
  --bg-base:      hsl(210, 20%, 97%);
  --bg-surface:   hsl(0, 0%, 100%);
  --bg-elevated:  hsl(210, 18%, 96%);
  --bg-overlay:   hsl(210, 15%, 92%);
  --bg-hover:     hsl(210, 15%, 90%);

  --border-subtle: hsl(210, 14%, 89%);
  --border-base:   hsl(210, 12%, 82%);
  --border-strong: hsl(210, 12%, 68%);

  --text-primary:   hsl(222, 30%, 12%);
  --text-secondary: hsl(222, 15%, 38%);
  --text-muted:     hsl(222, 12%, 55%);
  --text-disabled:  hsl(222, 10%, 72%);

  --glass-bg:     rgba(255,255,255,.7);
  --glass-border: rgba(0,0,0,.08);

  --sidebar-bg: hsl(222, 18%, 96%);
  --header-bg:  hsl(0, 0%, 100%);

  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.05);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.1), 0 4px 8px rgba(0,0,0,.06);
  --shadow-glow: 0 0 24px rgba(0,180,155,.12);

  --scrollbar-track: hsl(210, 18%, 94%);
  --scrollbar-thumb: hsl(210, 12%, 78%);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow: hidden;
  transition: background var(--t-base) var(--ease-out),
              color var(--t-base) var(--ease-out);
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--brand-400); }

/* ── LAYOUT ──────────────────────────────────────────────── */
.app-shell {
  display: grid;
  grid-template-rows: 60px 1fr;
  grid-template-columns: 260px 1fr 320px;
  grid-template-areas:
    "header header header"
    "nav    main   aside";
  height: 100vh;
  overflow: hidden;
}

/* ── HEADER ──────────────────────────────────────────────── */
.app-header {
  grid-area: header;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  position: relative;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 0 16px rgba(0,212,184,.3);
}

.logo-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.3px;
}

.logo-text span {
  color: var(--brand-400);
}

.header-search {
  flex: 1;
  max-width: 520px;
  position: relative;
}

.header-search input {
  width: 100%;
  height: 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-full);
  padding: 0 40px 0 38px;
  font-size: 13px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.header-search input::placeholder { color: var(--text-muted); }

.header-search input:focus {
  border-color: var(--brand-400);
  box-shadow: 0 0 0 3px rgba(0,212,184,.12);
}

.header-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

.header-search .search-shortcut {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-overlay);
  border: 1px solid var(--border-base);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: var(--font-mono);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

/* Active Call Ticker */
.call-ticker {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-base);
  border-radius: var(--r-full);
  padding: 5px 14px 5px 10px;
  font-size: 12px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--t-base) var(--ease-out);
  pointer-events: none;
}

.call-ticker.active {
  opacity: 1;
  transform: translateY(0);
  border-color: var(--brand-400);
  box-shadow: 0 0 12px rgba(0,212,184,.2);
  pointer-events: all;
}

.call-ticker-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red-400);
  animation: pulse-red 1.5s infinite;
  flex-shrink: 0;
}

@keyframes pulse-red {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,.5); }
  50% { box-shadow: 0 0 0 5px rgba(239,68,68,0); }
}

.call-ticker-info { color: var(--text-secondary); }
.call-ticker-info strong { color: var(--text-primary); }
.call-ticker-timer {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand-400);
  font-weight: 600;
  min-width: 52px;
}

.btn-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-base);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: all var(--t-fast);
}

.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* ── NAV SIDEBAR ─────────────────────────────────────────── */
.app-nav {
  grid-area: nav;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-section {
  padding: 16px 12px 8px;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 8px;
  margin-bottom: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  transition: all var(--t-fast);
  position: relative;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(0,212,184,.12), rgba(0,212,184,.04));
  color: var(--brand-400);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  background: var(--brand-400);
  border-radius: 0 3px 3px 0;
}

.nav-item-icon {
  font-size: 15px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.nav-item-badge {
  margin-left: auto;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: var(--r-full);
  background: var(--brand-400);
  color: hsl(222, 28%, 7%);
  font-weight: 700;
}

/* Call Session Summary in Nav */
.call-session-nav {
  margin: 12px;
  background: linear-gradient(135deg, rgba(0,212,184,.08), rgba(0,212,184,.03));
  border: 1px solid rgba(0,212,184,.2);
  border-radius: var(--r-lg);
  padding: 12px;
  display: none;
}

.call-session-nav.visible { display: block; }

.call-session-nav h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--brand-400);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.session-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
}

.session-field-label {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-muted);
}

.session-field-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.btn-end-call {
  width: 100%;
  margin-top: 10px;
  padding: 7px;
  background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--r-md);
  color: var(--red-400);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast);
  font-family: var(--font-sans);
}

.btn-end-call:hover {
  background: rgba(239,68,68,.2);
  border-color: var(--red-400);
}

/* ── MAIN CONTENT ────────────────────────────────────────── */
.app-main {
  grid-area: main;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* Module Tabs */
.module-tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 12px 20px 0;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 50;
  flex-shrink: 0;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border-radius: var(--r-md) var(--r-md) 0 0;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  transition: all var(--t-fast);
  white-space: nowrap;
  font-family: var(--font-sans);
}

.tab-btn:hover { color: var(--text-primary); background: var(--bg-hover); }

.tab-btn.active {
  color: var(--brand-400);
  border-bottom-color: var(--brand-400);
  font-weight: 600;
}

.tab-btn .tab-icon { font-size: 14px; }

.module-panel {
  display: none;
  padding: 20px;
  flex: 1;
  animation: fadeSlideIn var(--t-base) var(--ease-out);
}

.module-panel.active { display: block; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── CARDS ───────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--t-fast), border-color var(--t-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-base);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}

.card-subtitle {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

.card-body { padding: 16px; }
.card-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
  transition: all var(--t-fast) var(--ease-out);
  white-space: nowrap;
  min-height: 36px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-400), var(--brand-500));
  color: hsl(222, 28%, 7%);
  box-shadow: 0 2px 8px rgba(0,212,184,.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,212,184,.35);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-base);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 11.5px;
  border-radius: var(--r-sm);
}

.btn-xs {
  padding: 3px 8px;
  font-size: 11px;
  border-radius: 5px;
}

.btn-danger {
  background: rgba(239,68,68,.1);
  color: var(--red-400);
  border: 1px solid rgba(239,68,68,.25);
}

.btn-danger:hover { background: rgba(239,68,68,.2); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-base);
}

/* ── PRIORITY BADGES ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .3px;
}

.badge-critical {
  background: rgba(239,68,68,.15);
  color: var(--red-400);
  border: 1px solid rgba(239,68,68,.25);
}

.badge-important {
  background: rgba(245,158,11,.15);
  color: var(--amber-300);
  border: 1px solid rgba(245,158,11,.25);
}

.badge-optional {
  background: rgba(100,116,139,.12);
  color: var(--text-muted);
  border: 1px solid rgba(100,116,139,.2);
}

.badge-new {
  background: rgba(0,212,184,.12);
  color: var(--brand-400);
  border: 1px solid rgba(0,212,184,.25);
}

/* Status badges */
.badge-safe   { background: rgba(34,197,94,.12); color: var(--green-400); border: 1px solid rgba(34,197,94,.25); }
.badge-warn   { background: rgba(245,158,11,.12); color: var(--amber-400); border: 1px solid rgba(245,158,11,.25); }
.badge-danger { background: rgba(239,68,68,.12); color: var(--red-400); border: 1px solid rgba(239,68,68,.25); }

/* ── FORM ELEMENTS ───────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--border-base);
  border-radius: var(--r-md);
  padding: 9px 12px;
  font-size: 13px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  width: 100%;
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--brand-400);
  box-shadow: 0 0 0 3px rgba(0,212,184,.1);
}

.form-select {
  cursor: pointer;
  appearance: none;
  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 d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-textarea {
  resize: vertical;
  min-height: 72px;
  line-height: 1.5;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}

/* ── QUICK START / SETUP MODAL ──────────────────────────── */
.quick-start-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(135deg, rgba(0,212,184,.08), rgba(0,212,184,.03));
  border: 1px solid rgba(0,212,184,.2);
  border-radius: var(--r-lg);
  margin-bottom: 16px;
}

.quick-start-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.quick-start-icon {
  font-size: 20px;
}

.quick-start-info strong {
  font-size: 13px;
  color: var(--brand-400);
  display: block;
  margin-bottom: 2px;
}

.quick-start-info p {
  font-size: 11.5px;
  color: var(--text-muted);
  margin: 0;
}

.form-optional-hint {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-bottom: 14px;
  padding: 8px 12px;
  background: var(--bg-overlay);
  border-radius: var(--r-sm);
  border-left: 3px solid var(--brand-400);
}

.form-hint {
  font-size: 10.5px;
  color: var(--text-muted);
  margin-top: 3px;
}

.qs-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(245,158,11,.06);
  border: 1px solid rgba(245,158,11,.15);
  border-radius: var(--r-md);
}

.required {
  color: var(--red-400);
  margin-left: 2px;
}

/* ── MODAL ───────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-base);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  width: min(600px, 90vw);
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(.97);
  transition: transform var(--t-base) var(--ease-spring);
}

.modal-backdrop.open .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-header h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ── AI SIDEBAR ──────────────────────────────────────────── */
.app-aside {
  grid-area: aside;
  background: var(--sidebar-bg);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.aside-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.aside-header h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}

.ai-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--green-400);
  font-weight: 600;
}

.ai-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-400);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

.ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ai-msg {
  padding: 10px 12px;
  border-radius: var(--r-lg);
  font-size: 12.5px;
  line-height: 1.55;
  animation: fadeSlideIn var(--t-base) var(--ease-out);
}

.ai-msg-user {
  background: rgba(0,212,184,.1);
  border: 1px solid rgba(0,212,184,.2);
  color: var(--text-primary);
  align-self: flex-end;
  max-width: 90%;
  border-bottom-right-radius: 4px;
}

.ai-msg-assistant {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.ai-msg-assistant strong { color: var(--text-primary); display: block; margin-bottom: 4px; }

.ai-suggestion-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  background: rgba(0,212,184,.08);
  border: 1px solid rgba(0,212,184,.2);
  border-radius: var(--r-full);
  font-size: 11px;
  color: var(--brand-400);
  cursor: pointer;
  margin: 3px 3px 0 0;
  transition: all var(--t-fast);
  font-weight: 500;
}

.ai-suggestion-chip:hover {
  background: rgba(0,212,184,.15);
}

.ai-input-area {
  padding: 12px;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.ai-input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-base);
  border-radius: var(--r-lg);
  padding: 8px 10px 8px 12px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.ai-input-wrapper:focus-within {
  border-color: var(--brand-400);
  box-shadow: 0 0 0 3px rgba(0,212,184,.1);
}

.ai-input-wrapper textarea {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--text-primary);
  resize: none;
  max-height: 80px;
  line-height: 1.5;
}

.ai-input-wrapper textarea::placeholder { color: var(--text-muted); }

.ai-send-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--brand-400), var(--brand-500));
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: all var(--t-fast);
  color: hsl(222, 28%, 7%);
}

.ai-send-btn:hover { transform: scale(1.05); box-shadow: 0 2px 8px rgba(0,212,184,.3); }

.ai-quick-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}

.ai-quick-label {
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: var(--r-full);
  background: var(--bg-overlay);
  border: 1px solid var(--border-base);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--t-fast);
}

.ai-quick-label:hover {
  border-color: var(--brand-400);
  color: var(--brand-400);
  background: rgba(0,212,184,.06);
}

/* ── MODULE 1: CHECKLIST ─────────────────────────────────── */
.checklist-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 16px;
}

.question-category {
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 10px;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  cursor: pointer;
  user-select: none;
  transition: background var(--t-fast);
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
}

.category-header:hover { background: var(--bg-hover); }

.category-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}

.category-count {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-overlay);
  border: 1px solid var(--border-base);
  border-radius: var(--r-full);
  padding: 1px 7px;
}

.category-chevron {
  color: var(--text-muted);
  font-size: 12px;
  transition: transform var(--t-base);
}

.question-category.open .category-chevron {
  transform: rotate(180deg);
}

.category-body {
  display: none;
  padding: 8px;
  background: var(--bg-surface);
}

.question-category.open .category-body { display: block; }

.question-item {
  display: flex;
  gap: 10px;
  padding: 10px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  transition: all var(--t-fast);
  margin-bottom: 6px;
  background: var(--bg-elevated);
  border-color: var(--border-subtle);
}

.question-item:hover { border-color: var(--border-base); }

.question-item.completed {
  opacity: .55;
  background: var(--bg-surface);
}

.question-check {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 2px solid var(--border-strong);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
  background: transparent;
}

.question-check.checked {
  background: var(--brand-400);
  border-color: var(--brand-400);
  color: hsl(222, 28%, 7%);
  font-size: 11px;
}

.question-content { flex: 1; min-width: 0; }

.question-text {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 6px;
}

.question-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.question-answer {
  margin-top: 8px;
  width: 100%;
}

.question-answer input {
  width: 100%;
  padding: 5px 9px;
  font-size: 11.5px;
  background: var(--bg-base);
  border: 1px solid var(--border-base);
  border-radius: var(--r-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  outline: none;
}

.question-answer input:focus { border-color: var(--brand-400); }

/* Power Questions */
.power-questions {
  background: linear-gradient(135deg, rgba(245,158,11,.06), rgba(245,158,11,.02));
  border: 1px solid rgba(245,158,11,.2);
  border-radius: var(--r-lg);
  padding: 14px;
  margin-bottom: 16px;
}

.power-questions h4 {
  font-size: 12px;
  font-weight: 700;
  color: var(--amber-300);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.power-q-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(245,158,11,.1);
  font-size: 12.5px;
  color: var(--text-secondary);
}

.power-q-item:last-child { border-bottom: none; padding-bottom: 0; }

.power-q-item::before {
  content: '⚡';
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Call Doc Panel */
.call-doc-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 14px;
}

.call-doc-panel h4 {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.call-doc-fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ── MODULE 2: DECISION TREE ─────────────────────────────── */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.scenario-card {
  padding: 12px 14px;
  border-radius: var(--r-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all var(--t-base) var(--ease-out);
  text-align: center;
  font-family: var(--font-sans);
}

.scenario-card:hover {
  border-color: var(--brand-400);
  background: rgba(0,212,184,.05);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.scenario-card.selected {
  border-color: var(--brand-400);
  background: rgba(0,212,184,.08);
  box-shadow: 0 0 16px rgba(0,212,184,.15);
}

.scenario-card-icon { font-size: 22px; margin-bottom: 6px; }
.scenario-card-name { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.scenario-card-desc { font-size: 10.5px; color: var(--text-muted); margin-top: 2px; }

.decision-branch {
  display: none;
  animation: fadeSlideIn var(--t-base) var(--ease-out);
}

.decision-branch.active { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.branch-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 14px;
}

.branch-card-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.branch-card-title.color-ask    { color: var(--brand-400); }
.branch-card-title.color-esc    { color: var(--red-400); }
.branch-card-title.color-gather { color: var(--amber-300); }
.branch-card-title.color-action { color: var(--green-400); }
.branch-card-title.color-time   { color: #a78bfa; }

.branch-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.branch-list li {
  font-size: 12px;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
  line-height: 1.45;
}

.branch-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--text-muted);
  font-size: 11px;
}

.action-btn-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.action-pill {
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 700;
  background: rgba(0,212,184,.1);
  border: 1px solid rgba(0,212,184,.25);
  color: var(--brand-400);
}

.timeline-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(167,139,250,.1);
  border: 1px solid rgba(167,139,250,.25);
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 700;
  color: #a78bfa;
  margin-top: 8px;
}

/* ── MODULE 3: FILING CALCULATOR ────────────────────────── */
.deadline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.deadline-card {
  background: var(--bg-elevated);
  border-radius: var(--r-lg);
  padding: 14px;
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  transition: all var(--t-base);
}

.deadline-card.safe   { border-color: rgba(34,197,94,.3); }
.deadline-card.warn   { border-color: rgba(245,158,11,.3); }
.deadline-card.danger { border-color: rgba(239,68,68,.4); }

.deadline-card.danger::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(239,68,68,.03);
  pointer-events: none;
}

.deadline-status-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.deadline-card.safe   .deadline-status-bar { background: var(--green-400); }
.deadline-card.warn   .deadline-status-bar { background: var(--amber-400); }
.deadline-card.danger .deadline-status-bar { background: var(--red-400); }

.deadline-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  margin-bottom: 6px;
  margin-top: 4px;
}

.deadline-date {
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  margin-bottom: 4px;
}

.deadline-days {
  font-size: 12px;
  font-weight: 600;
}

.deadline-card.safe   .deadline-days { color: var(--green-400); }
.deadline-card.warn   .deadline-days { color: var(--amber-400); }
.deadline-card.danger .deadline-days { color: var(--red-400); }

.calculator-inputs {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 16px;
  margin-bottom: 6px;
}

.filing-guidance {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.guidance-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 14px;
}

.guidance-card h5 {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.guidance-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.guidance-list li {
  font-size: 11.5px;
  color: var(--text-secondary);
  padding-left: 16px;
  position: relative;
}

.guidance-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--brand-400);
  font-size: 10px;
}

/* ── MODULE 4: PAYER DIRECTORY ───────────────────────────── */
.payer-search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.payer-search-bar .form-input { flex: 1; }

.payer-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
}

.payer-list {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.payer-list-header {
  padding: 10px 14px;
  background: var(--bg-overlay);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
}

.payer-list-items { overflow-y: auto; max-height: 560px; }

.payer-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: background var(--t-fast);
  font-family: var(--font-sans);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.payer-item:hover { background: var(--bg-hover); }
.payer-item.active { background: rgba(0,212,184,.08); }

.payer-item-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: hsl(222,28%,7%);
  flex-shrink: 0;
}

.payer-item-name {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-primary);
}

.payer-item-id {
  font-size: 10.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.payer-detail {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dept-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.dept-tab {
  padding: 5px 11px;
  border-radius: var(--r-full);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-base);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  transition: all var(--t-fast);
  font-family: var(--font-sans);
}

.dept-tab:hover { border-color: var(--brand-400); color: var(--brand-400); }
.dept-tab.active {
  background: rgba(0,212,184,.1);
  border-color: var(--brand-400);
  color: var(--brand-400);
}

.contact-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 14px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-row:last-child { border-bottom: none; padding-bottom: 0; }

.contact-label {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  width: 90px;
  flex-shrink: 0;
}

.contact-value {
  font-size: 13px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 500;
  flex: 1;
}

.contact-value a {
  color: var(--brand-400);
  text-decoration: none;
}

.contact-value a:hover { text-decoration: underline; }

.copy-btn {
  width: 26px;
  height: 26px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-base);
  background: var(--bg-overlay);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  transition: all var(--t-fast);
  flex-shrink: 0;
}

.copy-btn:hover { border-color: var(--brand-400); color: var(--brand-400); }
.copy-btn.copied { background: rgba(0,212,184,.1); border-color: var(--brand-400); color: var(--brand-400); }

/* IVR Steps */
.ivr-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 10px;
}

.ivr-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  position: relative;
}

.ivr-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 14px;
  top: 38px;
  bottom: -4px;
  width: 2px;
  background: linear-gradient(to bottom, var(--border-base), transparent);
}

.ivr-step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: var(--text-secondary);
  flex-shrink: 0;
  z-index: 1;
}

.ivr-step:first-child .ivr-step-num {
  border-color: var(--brand-400);
  color: var(--brand-400);
  background: rgba(0,212,184,.08);
}

.ivr-step-content {
  padding-top: 5px;
}

.ivr-step-action {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-primary);
}

.ivr-step-detail {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

.ivr-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.ivr-stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 10px;
  text-align: center;
}

.ivr-stat-value {
  font-size: 16px;
  font-weight: 800;
  color: var(--brand-400);
  font-family: var(--font-mono);
}

.ivr-stat-label {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  margin-top: 2px;
}

/* ── POST-CALL SUMMARY ───────────────────────────────────── */
.summary-panel {
  display: none;
}

.summary-panel.visible { display: block; }

.ar-note-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-base);
  border-radius: var(--r-lg);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.7;
  white-space: pre-wrap;
  min-height: 180px;
}

/* ── BATCH CLAIMS TRACKER ─────────────────────────────── */
.batch-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.batch-filters .form-input {
  flex: 1;
}

.batch-table-container {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  background: var(--bg-surface);
}

.batch-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.batch-table th {
  padding: 12px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.batch-table th:hover {
  color: var(--text-primary);
}

.batch-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.batch-table tr:hover {
  background: var(--bg-hover);
}

.batch-table tr:last-child td {
  border-bottom: none;
}

.batch-claim-num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.batch-amount {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--green-400);
}

.batch-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-size: 10.5px;
  font-weight: 700;
}

.batch-status.pending {
  background: rgba(245,158,11,.12);
  color: var(--amber-400);
}

.batch-status.in-progress {
  background: rgba(0,212,184,.12);
  color: var(--brand-400);
}

.batch-status.resolved {
  background: rgba(34,197,94,.12);
  color: var(--green-400);
}

.batch-status.denied {
  background: rgba(239,68,68,.12);
  color: var(--red-400);
}

.batch-actions {
  display: flex;
  gap: 4px;
}

.batch-summary {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  padding: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
}

.batch-stat {
  display: flex;
  align-items: center;
  gap: 6px;
}

.batch-stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.batch-stat-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

/* ── ANALYTICS ───────────────────────────────────────────── */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 16px;
  position: relative;
  overflow: hidden;
}

.kpi-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, rgba(0,212,184,.08), transparent 70%);
  pointer-events: none;
}

.kpi-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 4px;
}

.kpi-change {
  font-size: 11px;
  font-weight: 600;
}

.kpi-change.up   { color: var(--green-400); }
.kpi-change.down { color: var(--red-400); }

.chart-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 16px;
}

.chart-container canvas { width: 100% !important; }

.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

/* ── WELCOME SCREEN ──────────────────────────────────────── */
.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  text-align: center;
  gap: 16px;
}

.welcome-icon {
  font-size: 56px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.welcome-screen h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
}

.welcome-screen p {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 380px;
}

/* ── ONBOARDING ────────────────────────────────────────── */
.onboarding-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(8px);
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base);
}

.onboarding-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

.onboarding-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-base);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  padding: 32px;
  max-width: 480px;
  width: 90vw;
  text-align: center;
  transform: translateY(20px) scale(.97);
  transition: transform var(--t-base) var(--ease-spring);
}

.onboarding-overlay.visible .onboarding-card {
  transform: translateY(0) scale(1);
}

.onboarding-icon {
  font-size: 48px;
  margin-bottom: 16px;
  animation: float 3s ease-in-out infinite;
}

.onboarding-card h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.onboarding-card > p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.onboarding-steps {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.onboarding-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.step-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
  color: hsl(222, 28%, 7%);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.onboarding-step strong {
  font-size: 13px;
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
}

.onboarding-step p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

.onboarding-step kbd {
  background: var(--bg-overlay);
  border: 1px solid var(--border-base);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 11px;
  font-family: var(--font-mono);
}

.onboarding-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.onboarding-shortcut {
  margin-top: 16px;
  font-size: 11px;
  color: var(--text-muted);
}

.onboarding-shortcut kbd {
  background: var(--bg-overlay);
  border: 1px solid var(--border-base);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: var(--font-mono);
}

/* ── TOAST NOTIFICATIONS ─────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-base);
  border-radius: var(--r-lg);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: all;
  animation: slideInRight var(--t-base) var(--ease-spring);
}

.toast.success { border-left: 3px solid var(--green-400); }
.toast.error   { border-left: 3px solid var(--red-400); }
.toast.info    { border-left: 3px solid var(--brand-400); }

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── SEARCH RESULTS ──────────────────────────────────────── */
.search-dropdown {
  position: absolute;
  top: 46px;
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-base);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  overflow: hidden;
  display: none;
  max-height: 300px;
  overflow-y: auto;
}

.search-dropdown.open { display: block; }

.search-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background var(--t-fast);
  border-bottom: 1px solid var(--border-subtle);
}

.search-result-item:hover { background: var(--bg-hover); }
.search-result-item:last-child { border-bottom: none; }

.search-result-type {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(0,212,184,.1);
  color: var(--brand-400);
  flex-shrink: 0;
}

.search-result-label { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.search-result-sub   { font-size: 11px; color: var(--text-muted); }

/* ── FORM VALIDATION ────────────────────────────────────── */
.form-group.error .form-input,
.form-group.error .form-select,
.form-group.error .form-textarea {
  border-color: var(--red-400);
  box-shadow: 0 0 0 2px rgba(239,68,68,.12);
}

.form-group.success .form-input,
.form-group.success .form-select,
.form-group.success .form-textarea {
  border-color: var(--green-400);
  box-shadow: 0 0 0 2px rgba(34,197,94,.12);
}

.form-error {
  font-size: 11px;
  color: var(--red-400);
  margin-top: 4px;
  display: none;
}

.form-group.error .form-error {
  display: block;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Required field indicator */
.form-label .required {
  color: var(--red-400);
  margin-left: 2px;
}

/* ── FOCUS VISIBLE ─────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--brand-400);
  outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible,
.btn-icon:focus-visible,
.nav-item:focus-visible,
.tab-btn:focus-visible {
  outline: 2px solid var(--brand-400);
  outline-offset: 2px;
}

/* ── SKIP LINK ─────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--brand-400);
  color: hsl(222, 28%, 7%);
  padding: 8px 16px;
  z-index: 10000;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 var(--r-md) 0;
  transition: top var(--t-fast);
}

.skip-link:focus {
  top: 0;
}

/* ── TOOLTIP ───────────────────────────────────────────── */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-overlay);
  border: 1px solid var(--border-base);
  color: var(--text-primary);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast);
  z-index: 1000;
}

.tooltip:hover::after {
  opacity: 1;
}

/* ── LOADING SPINNER ───────────────────────────────────── */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-base);
  border-top-color: var(--brand-400);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── SKELETON LOADING ──────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--r-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── BUTTON LOADING STATE ─────────────────────────────── */
.btn.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ── DISABLED STATE ────────────────────────────────────── */
.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── UTILITY CLASSES ─────────────────────────────────────── */
.flex       { display: flex; }
.flex-col   { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.gap-2      { gap: 8px; }
.gap-3      { gap: 12px; }
.gap-4      { gap: 16px; }
.mt-2       { margin-top: 8px; }
.mt-3       { margin-top: 12px; }
.mt-4       { margin-top: 16px; }
.mb-2       { margin-bottom: 8px; }
.mb-3       { margin-bottom: 12px; }
.w-full     { width: 100%; }
.text-muted { color: var(--text-muted); }
.text-sm    { font-size: 12px; }
.text-xs    { font-size: 11px; }
.font-mono  { font-family: var(--font-mono); }
.font-bold  { font-weight: 700; }
.separator  { height: 1px; background: var(--border-subtle); margin: 8px 0; }

/* Section header */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.section-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.section-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Glow ring on brand elements */
.brand-glow {
  box-shadow: 0 0 20px rgba(0,212,184,.2);
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1200px) {
  .app-shell {
    grid-template-columns: 220px 1fr 280px;
  }
  .analytics-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: 60px auto 1fr;
    grid-template-areas:
      "header"
      "nav"
      "main";
    overflow: auto;
  }
  .app-nav {
    max-height: 180px;
    flex-direction: row;
    overflow-x: auto;
    padding: 8px;
  }
  .nav-section {
    padding: 4px 8px;
    display: flex;
    flex-wrap: nowrap;
    gap: 4px;
  }
  .nav-section-label {
    display: none;
  }
  .nav-item {
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 12px;
  }
  .nav-item-icon {
    font-size: 14px;
  }
  .call-session-nav {
    display: none !important;
  }
  .app-aside { display: none; }
  .checklist-grid, .payer-grid, .filing-guidance, .charts-grid { grid-template-columns: 1fr; }
  .scenario-grid  { grid-template-columns: repeat(2,1fr); }
  .deadline-grid  { grid-template-columns: repeat(2,1fr); }
  .analytics-grid { grid-template-columns: repeat(2,1fr); }
  .module-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .module-tabs::-webkit-scrollbar {
    display: none;
  }
  .header-search {
    max-width: 200px;
  }
  .search-shortcut {
    display: none;
  }
  .call-ticker {
    display: none !important;
  }
  .header-actions {
    gap: 4px;
  }
  .btn-icon {
    width: 32px;
    height: 32px;
  }
  .welcome-icon {
    font-size: 40px;
  }
  .welcome-screen h2 {
    font-size: 18px;
  }
  .welcome-screen p {
    font-size: 13px;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 14px;
  }
  .card-header {
    padding: 12px;
  }
  .card-body {
    padding: 12px;
  }
}

@media (max-width: 600px) {
  .app-header {
    padding: 0 12px;
    gap: 8px;
  }
  .logo-text {
    font-size: 13px;
  }
  .header-search {
    max-width: 150px;
  }
  .header-search input {
    height: 32px;
    font-size: 12px;
  }
  .module-tabs {
    padding: 8px 12px 0;
  }
  .tab-btn {
    padding: 7px 10px;
    font-size: 11px;
  }
  .module-panel {
    padding: 12px;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .deadline-grid {
    grid-template-columns: 1fr;
  }
  .analytics-grid {
    grid-template-columns: 1fr;
  }
  .charts-grid {
    grid-template-columns: 1fr;
  }
  .modal {
    width: 95vw;
    max-height: 95vh;
  }
  .modal-header {
    padding: 16px;
  }
  .modal-body {
    padding: 16px;
  }
  .modal-footer {
    padding: 12px 16px;
    flex-direction: column;
  }
  .modal-footer .btn {
    width: 100%;
  }
  .payer-search-bar {
    flex-direction: column;
  }
  .payer-search-bar .form-select {
    width: 100%;
  }
  .payer-grid {
    grid-template-columns: 1fr;
  }
  .ivr-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .checklist-grid {
    grid-template-columns: 1fr;
  }
  .section-header {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
  .section-header .flex {
    width: 100%;
  }
  .section-header .btn {
    flex: 1;
  }
  .ar-note-box {
    min-height: 120px;
    font-size: 11px;
  }
}