/* Lightweight KBB participant portal foundation. */
.participant-portal {
  --background: #f3f6f5;
  --background-alt: #ffffff;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: rgba(255, 255, 255, 0.97);
  --surface-soft: rgba(245, 249, 248, 0.94);
  --surface-tint: #edf4f2;
  --border: rgba(23, 42, 40, 0.16);
  --border-strong: rgba(23, 42, 40, 0.32);
  --text-primary: #172b29;
  --text-secondary: #38504d;
  --text-muted: #617673;
  min-width: 320px;
  color: var(--text-primary);
  background: radial-gradient(circle at 82% 0, rgba(13, 148, 136, 0.12), transparent 30rem), linear-gradient(180deg, #edf5f3 0, var(--background) 16rem);
}

.participant-portal .portal-shell { min-height: 100dvh; }

.participant-portal .portal-header {
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 68px;
  padding: 0.65rem clamp(0.75rem, 2vw, 1.25rem);
  background: color-mix(in srgb, #173c38 92%, transparent);
  border-bottom-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 8px 28px rgba(7, 48, 43, 0.16);
  backdrop-filter: blur(16px) saturate(125%);
  -webkit-backdrop-filter: blur(16px) saturate(125%);
}

.participant-portal .portal-brand img { width: 126px; }
.participant-portal .portal-brand span { color: rgba(255, 255, 255, 0.82); }

.participant-portal .portal-nav { align-items: center; }
.participant-portal .portal-nav a,
.participant-portal .portal-nav summary { color: rgba(255, 255, 255, 0.82); }
.participant-portal .portal-nav a:hover,
.participant-portal .portal-nav a.active,
.participant-portal .portal-nav a[aria-current="page"],
.participant-portal .portal-nav summary:hover,
.participant-portal .portal-nav summary.active {
  color: #fff;
  background: rgba(13, 148, 136, 0.24);
  border-color: rgba(68, 184, 173, 0.55);
}

.participant-portal .portal-nav-close,
.participant-portal .portal-nav-toggle,
.participant-nav-backdrop { display: none; }

.participant-portal .portal-main {
  width: min(1180px, 100%);
  padding: clamp(0.75rem, 2vw, 1.25rem);
}

.participant-portal .portal-context {
  margin-bottom: 1rem;
  border-left: 4px solid var(--kbb-primary);
  background: var(--surface);
}

.participant-portal .portal-context h1 { margin: 0.15rem 0; font-size: clamp(1.35rem, 3vw, 1.8rem); }
.participant-portal :where(.panel, .process-hero, .card) { border-color: var(--border); background: var(--surface); box-shadow: var(--shadow-sm); }
.participant-portal .process-hero { border-left: 4px solid var(--kbb-primary); }
.participant-portal .participant-section { overflow: hidden; }
.participant-portal .section-head { gap: 0.75rem; }
.participant-portal .section-head h2 { margin: 0.15rem 0 0; }

.participant-portal :where(.panel, .process-hero, .card, .portal-context, .partner-task-card) {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.participant-portal :where(button, .btn) {
  min-height: 42px;
  padding: 0.58rem 0.9rem;
  border-radius: var(--radius-md);
  font-weight: 750;
}
.participant-portal :where(input:not([type="checkbox"]):not([type="radio"]), select, textarea) {
  min-height: 44px;
  padding: 0.68rem 0.78rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  background: var(--surface-strong);
}
.participant-portal :where(input:not([type="checkbox"]):not([type="radio"]), select, textarea):focus {
  border-color: var(--kbb-primary);
  outline: 0;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--kbb-primary) 17%, transparent);
}
.participant-portal :where(label) { color: var(--text-secondary); font-weight: 700; text-align: left; }
.participant-portal :where(table) { font-variant-numeric: tabular-nums; }

.participant-portal .portal-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.participant-portal .portal-data-table { min-width: 680px; margin: 0; border: 0; }
.participant-portal .portal-data-table th { color: var(--text-secondary); }
.participant-portal .portal-status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
  background: var(--surface-soft);
  font-size: var(--font-xs);
  font-weight: 800;
}
.participant-portal .portal-status.success { color: var(--kbb-success); border-color: color-mix(in srgb, var(--kbb-success) 38%, var(--border)); }
.participant-portal .portal-status.pending { color: var(--kbb-warning); border-color: color-mix(in srgb, var(--kbb-warning) 38%, var(--border)); }

.participant-empty-state {
  display: grid;
  gap: 0.25rem;
  min-height: 96px;
  place-content: center;
  padding: 1rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: var(--surface-soft);
  text-align: center;
}
.participant-empty-state strong { color: var(--text-primary); }

.participant-portal .portal-message-list { display: grid; gap: 0; }
.participant-portal .portal-message-list article { display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--border); }
.participant-portal .portal-message-list article:last-child { border-bottom: 0; }
.participant-portal .portal-message-list :where(h3, p) { margin: 0; }
.participant-portal .portal-message-list time { color: var(--text-muted); font-size: var(--font-sm); }

.participant-portal .portal-profile-data { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; }
.participant-portal .portal-profile-data div { padding: 0.75rem; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-soft); }
.participant-portal .portal-profile-data :where(dt, dd) { margin: 0; }
.participant-portal .portal-profile-data dt { color: var(--text-muted); font-size: var(--font-xs); font-weight: 800; text-transform: uppercase; }
.participant-portal .portal-profile-data dd { margin-top: 0.2rem; overflow-wrap: anywhere; }

.participant-portal .portal-history > summary { min-height: 48px; }
.participant-portal .portal-review-actions { display: grid; gap: 0.45rem; }
.participant-portal .portal-review-actions form { margin: 0; }

/* Shared external-portal work patterns. Partner and participant pages use the
   same task hierarchy so a context change does not require relearning controls. */
.partner-task-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.partner-task-card {
  display: grid;
  align-content: start;
  gap: 0.55rem;
  min-height: 168px;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}
.partner-task-card:hover { border-color: var(--kbb-primary); transform: translateY(-1px); }
.partner-task-card:focus-visible { outline: 3px solid color-mix(in srgb, var(--kbb-primary) 45%, transparent); outline-offset: 2px; }
.partner-task-card > strong { font-size: 1.05rem; }
.partner-task-card > small { color: var(--text-secondary); }
.partner-task-card > em { margin-top: auto; color: var(--kbb-primary); font-style: normal; font-weight: 800; }
.partner-help-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.partner-help-panel :where(h2, p) { margin: 0.15rem 0; }
.partner-record-list { display: grid; gap: 0.65rem; }
.partner-record {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 0.75rem;
  min-height: 64px;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  background: var(--surface-soft);
  text-decoration: none;
}
a.partner-record:hover { border-color: var(--kbb-primary); background: var(--surface-tint); }
.partner-record > span:first-child,
.partner-record > div:first-child { display: grid; gap: 0.2rem; min-width: 0; }
.partner-record small { color: var(--text-secondary); overflow-wrap: anywhere; }
.partner-record > em { color: var(--kbb-primary); font-style: normal; font-weight: 800; white-space: nowrap; }
.partner-record-editable { grid-template-columns: minmax(0, 1fr) auto; }
.partner-record-editable > details { grid-column: 1 / -1; }
.partner-record-editable > details > summary { min-height: 44px; }
.partner-create-panel > summary { min-height: 54px; }
.partner-contact-grid,
.partner-account-grid { align-items: start; margin-bottom: 1rem; }
.partner-contact-grid form { display: grid; gap: 0.7rem; }
.partner-account-grid { display: grid; grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr); gap: 1rem; }
.partner-portal .form-actions { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.partner-portal .compact-form { margin-top: 0.65rem; padding-top: 0.65rem; border-top: 1px solid var(--border); }

.participant-portal .auth-card { color: var(--text-primary); background: var(--surface); }
.participant-portal .partner-auth-card {
  display: grid;
  gap: 1.25rem;
  width: min(480px, 100%);
  padding: clamp(1.25rem, 4vw, 2rem);
  overflow: hidden;
}
.participant-portal .partner-auth-intro { display: grid; gap: 0.45rem; }
.participant-portal .partner-auth-intro :where(h1, p) { margin: 0; }
.participant-portal .partner-auth-card .auth-logo {
  display: block;
  width: min(188px, 62%);
  max-width: 100%;
  height: auto;
  margin-bottom: 0.75rem;
}
.participant-portal .partner-auth-form { display: grid; gap: 0.9rem; }
.participant-portal .partner-auth-form label { display: grid; gap: 0.4rem; }
.participant-portal .partner-auth-form button { width: 100%; margin-top: 0.2rem; }
.participant-portal .auth-card .brand { color: var(--text-primary); }
.participant-portal .auth-card .brand-logo.white { display: none; }
.participant-portal .auth-card .brand-logo.color { display: block; }
.participant-portal .auth-card h1 { margin: 0; font-size: 1.2rem; }

@media (max-width: 760px) {
  .participant-portal .portal-header { grid-template-columns: minmax(0, 1fr) auto auto; }
  .participant-portal .portal-brand span { display: none; }
  .participant-portal .portal-nav-toggle { display: inline-flex; align-items: center; gap: 0.35rem; color: #fff; background: transparent; border-color: rgba(255,255,255,0.3); }
  .participant-portal .portal-nav {
    position: fixed;
    inset: 0 0 0 auto;
    z-index: 120;
    display: grid;
    align-content: start;
    width: min(88vw, 330px);
    padding: 0.75rem;
    visibility: hidden;
    transform: translateX(102%);
    transition: transform 180ms ease, visibility 180ms linear;
    background: #173c38;
    box-shadow: var(--shadow-md);
  }
  .participant-portal .portal-nav-close { display: inline-flex; justify-self: end; color: #fff; background: transparent; }
  .participant-portal .portal-nav a,
  .participant-portal .portal-nav summary { width: 100%; min-height: 44px; justify-content: flex-start; }
  .participant-portal .portal-nav-more div { position: static; display: grid; padding-left: 0.65rem; box-shadow: none; background: transparent; }
  .participant-nav-open .portal-nav { visibility: visible; transform: translateX(0); }
  .participant-nav-backdrop { position: fixed; inset: 0; z-index: 115; width: 100%; min-height: 100dvh; border: 0; border-radius: 0; background: rgba(10,16,20,0.66); }
  .participant-nav-open .participant-nav-backdrop { display: block; }
  .participant-nav-open { overflow: hidden; }
  .participant-portal .grid.cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .participant-portal .process-hero { grid-template-columns: 1fr; }
  .partner-help-panel { align-items: stretch; flex-direction: column; }
  .partner-help-panel .btn { width: 100%; }
  .partner-account-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .participant-portal .portal-main { padding: 0.65rem; }
  .participant-portal .grid.cards,
  .participant-portal .portal-profile-data { grid-template-columns: 1fr; }
  .participant-portal .process-hero .button-row { width: 100%; }
  .participant-portal .process-hero .button-row > * { width: 100%; }
  .participant-portal .portal-table-wrap { overflow: visible; border: 0; }
  .participant-portal .portal-data-table { min-width: 0; border: 0; background: transparent; }
  .participant-portal .portal-data-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
  .participant-portal .portal-data-table :where(tbody, tr, td) { display: block; width: 100%; }
  .participant-portal .portal-data-table tr { margin-bottom: 0.75rem; padding: 0.65rem; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); }
  .participant-portal .portal-data-table td { display: grid; grid-template-columns: minmax(6.5rem, 0.42fr) minmax(0, 1fr); gap: 0.5rem; padding: 0.45rem 0; border-bottom: 1px solid var(--border); }
  .participant-portal .portal-data-table td:last-child { border-bottom: 0; }
  .participant-portal .portal-data-table td::before { content: attr(data-label); color: var(--text-muted); font-size: var(--font-xs); font-weight: 800; text-transform: uppercase; }
  .participant-portal .portal-message-list article { grid-template-columns: 1fr; gap: 0.25rem; }
  .participant-portal .form-grid { grid-template-columns: 1fr; }
  .participant-portal .span-2 { grid-column: auto; }
  .partner-record,
  .partner-record-editable { grid-template-columns: 1fr; align-items: start; }
  .partner-record-editable > details { grid-column: auto; }
  .partner-record > :where(.btn, em) { justify-self: stretch; text-align: center; }
  .partner-portal .form-actions > * { width: 100%; }
}

@media (max-width: 360px) {
  .participant-portal .portal-header { grid-template-columns: minmax(0, 1fr) auto; }
  .participant-portal .portal-header > form { grid-column: 1 / -1; }
  .participant-portal .portal-header > form button { width: 100%; }
  .participant-portal .portal-data-table td { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .participant-portal *, .participant-portal *::before, .participant-portal *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}