/* pages.css: Welcome, Sign-in, About, History and Exceptions (premium-fintech pass).
   Quiet white surfaces (soft shadow only, no border), hairline-separated rows, one ink action,
   one green accent. Colours, radii and type come from tokens.css. The .rewards-* and .impact-* rules
   at the end belong to the lots home (lots.js) and are kept as they were. */

/* ---------- shared bits ---------- */

.app-header .header-link {
  margin-left: auto;
  font-size: var(--fs-s);
  color: var(--accent-fg);
  text-decoration: none;
  font-weight: 700;
  padding: var(--space-2) var(--space-3);
  min-height: var(--tap);
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
}
.app-header .header-link:hover { text-decoration: underline; }
.app-header .header-link:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.back-link {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  color: var(--accent-fg);
  font-weight: 700;
  text-decoration: none;
  align-self: flex-start;
}
.back-link:hover { text-decoration: underline; }
.back-link:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* Section heading: sentence case, medium weight. */
.pg-h2 {
  margin: 0;
  font-size: var(--fs-m);
  font-weight: 650;
  color: var(--text);
}

/* ---------- welcome (signed out: #/ and #/signin): art panel, then headline and role rows ---------- */

body.is-welcome { background: var(--bg); }
body.is-welcome .app-header { background: transparent; border-bottom-color: transparent; }

.welcome {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  width: 100%;
  max-width: 30rem;
  margin: 0 auto;
  padding: var(--space-2) 0 var(--space-5);
}

/* The one tint on the page: a soft green-tinted panel holding the 3D package. */
.welcome-art {
  display: grid;
  place-items: center;
  min-height: 232px;
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-l);
  background: radial-gradient(120% 100% at 50% 0%, var(--accent-soft) 0%,
    color-mix(in srgb, var(--accent-soft) 30%, var(--bg)) 75%);
}
.welcome-art .img3d { animation: pp-pop 600ms var(--ease) 1 both; }

.welcome-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.welcome-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.welcome-title {
  margin: 0;
  font-size: clamp(2.125rem, 9vw, 2.5rem);
  line-height: 1.08;
  color: var(--ink);
}

.welcome-sub {
  margin: 0;
  font-size: var(--fs-m);
  color: var(--text-2);
}

.welcome-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* One white surface holding the three role rows, hairlines between. */
.welcome-roles {
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}

.welcome-role {
  all: unset;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  min-height: 72px;
  padding: var(--space-3) var(--space-4);
  color: var(--text);
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.welcome-role + .welcome-role { border-top: 1px solid var(--border); }
.welcome-role:hover,
.welcome-role:focus-visible { background: var(--surface-2); }
.welcome-role:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }

.welcome-role-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.welcome-role-line { display: flex; flex-wrap: wrap; align-items: center; gap: 2px var(--space-2); }
.welcome-role-name { font-size: 1.0625rem; font-weight: 700; color: var(--text); }
.welcome-role-label { font-size: 0.8125rem; font-weight: 700; color: var(--role-fg, var(--accent-fg)); }
.welcome-role.role-donor { --role-fg: var(--donor-fg); }
.welcome-role.role-receiver { --role-fg: var(--receiver-fg); }
.welcome-role.role-coordinator { --role-fg: var(--coordinator-fg); }
.welcome-role-desc { font-size: 0.875rem; color: var(--text-2); }
.welcome-role-chev { display: flex; color: var(--text-2); }

.welcome-note { margin: 0; font-size: var(--fs-s); color: var(--text-2); }
.welcome-about { margin: 0; }

.welcome-about-link {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  color: var(--accent-fg);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (min-width: 640px) {
  .welcome { max-width: 34rem; }
}

/* Desktop: art panel on the left, headline and role rows on the right. */
@media (min-width: 960px) {
  .welcome {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    column-gap: var(--space-7);
    max-width: 62rem;
    align-items: center;
    min-height: min(36rem, calc(100dvh - 140px));
  }
  .welcome-art {
    grid-column: 1;
    grid-row: 1;
    min-height: min(36rem, calc(100dvh - 140px));
    padding: var(--space-7);
  }
  .welcome-main { grid-column: 2; grid-row: 1; max-width: 26rem; }
}

@media (prefers-reduced-motion: reduce) {
  .welcome-art .img3d { animation: none; }
  .welcome-role { transition: none; }
}

/* ---------- sign-in (#/signin/<role>): a centred white card ---------- */

body.is-signin { background: var(--bg); }

.signin {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding: var(--space-5);
  background: var(--surface);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-1);
}

@media (min-width: 720px) {
  .signin { padding: var(--space-6); }
}

.signin-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.signin-head .page-title { margin: 0; font-size: 1.75rem; }

.signin-role {
  margin: 0;
  font-size: var(--fs-s);
  font-weight: 650;
  color: var(--text-2);
}

.signin-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.signin-password-row {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
}

.signin-password-row .input {
  flex: 1 1 auto;
  min-width: 0;
}

/* 52px fields, 1px strong border, 2px accent focus ring. */
.signin .input {
  min-height: 52px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-s);
  background: var(--surface);
  font-size: 1rem;
}

.signin .input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-color: var(--accent);
}

.signin .btn-primary { width: 100%; min-height: 52px; font-size: 1rem; box-shadow: none; }
.signin .back-link { margin-bottom: calc(-1 * var(--space-3)); }

.signin-toggle {
  flex: 0 0 52px;
  width: 52px;
  min-width: 52px;
  min-height: 52px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-s);
  background: var(--surface);
  color: var(--ink);
}

.signin-error { margin: 0; }

/* Judge-facing demo password, shown only when the deploy opted in (PUBLISH_DEMO_PASSWORD=1). */
.signin-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.signin-demo .field-hint { margin: 0; }

.signin-demo-pw {
  font-family: var(--font-mono);
  font-size: var(--fs-s);
  font-weight: 650;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-s);
  padding: 2px 6px;
}

.signin-demo-fill { min-height: 0; padding: var(--space-2) var(--space-3); }

/* ---------- about: intro, one services surface, one surface of collapsed rows ---------- */

.about {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  max-width: 44rem;
  margin: 0 auto;
}

.about-intro {
  margin: 0;
  font-size: var(--fs-m);
  color: var(--text-2);
}

.about-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* AWS services: one white surface, 64px hairline rows, 40px soft accent squares. */
.svc-card {
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}

.svc-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  min-height: 64px;
  padding: var(--space-3) var(--space-4);
}

.svc-row + .svc-row { border-top: 1px solid var(--border); }

.svc-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-fg);
}

.svc-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.svc-name {
  font-size: var(--fs-m);
  font-weight: 700;
  color: var(--text);
}

.svc-what {
  font-size: 0.875rem;
  color: var(--text-2);
}

/* Collapsed sections: rows inside one surface, hairline between. */
.about-stack {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}

.about-more + .about-more { border-top: 1px solid var(--border); }

.about-more > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 56px;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--text);
}

.about-more > summary::-webkit-details-marker { display: none; }

.about-more > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 2px solid var(--text-2);
  border-bottom: 2px solid var(--text-2);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.about-more[open] > summary::after { transform: rotate(-135deg); }

.about-more > summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.about-more-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-4);
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text);
}

.about-more-body p { margin: 0; }

.about-points {
  margin: 0;
  padding-left: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about-note {
  margin: 0;
  font-size: var(--fs-s);
  color: var(--text-2);
}

/* ---------- architecture diagram (inside a collapsed details) ---------- */

.arch-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-2);
  border-top: 1px solid var(--border);
}

.arch-svg {
  display: block;
  width: 100%;
  min-width: 720px;
  height: auto;
}

.arch-svg .aws-node rect {
  fill: var(--surface-2);
  stroke: var(--border);
  stroke-width: 1.5;
  transition: stroke-width var(--dur) var(--ease), stroke var(--dur) var(--ease);
}

.arch-svg .aws-title {
  font: 600 16px var(--font, system-ui, sans-serif);
  fill: var(--text);
}

.arch-svg .aws-sub {
  font: 13px var(--font, system-ui, sans-serif);
  fill: var(--text-2);
}

.arch-svg .aws-region {
  font: 12px var(--font, system-ui, sans-serif);
  fill: var(--text-2);
}

.arch-svg .aws-link {
  stroke: var(--text-2);
  stroke-width: 1.5;
  fill: none;
}

.arch-svg .aws-arrow-head { fill: var(--text-2); }

/* Highlighted service for the demo video: strong outline plus glow. */
.arch-svg .aws-node.is-lit rect {
  stroke: var(--accent);
  stroke-width: 4;
  fill: var(--surface);
  filter: drop-shadow(0 0 8px var(--accent));
}

.arch-svg .aws-node.is-lit .aws-title { fill: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .arch-svg .aws-node rect,
  .about-more > summary::after { transition: none; }
}

/* ---------- history (#/history): one surface, month headers, 64px hairline rows ---------- */

.hist-page { display: flex; flex-direction: column; gap: var(--space-5); }

.hist-list {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}

.hist-group + .hist-group { border-top: 1px solid var(--border); }

.hist-month {
  margin: 0;
  padding: var(--space-3) var(--space-4) var(--space-1);
  font-size: var(--fs-s);
  font-weight: 650;
  color: var(--text-2);
}

.hist-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  min-height: 64px;
  padding: var(--space-3) var(--space-4);
  color: var(--text);
  text-decoration: none;
}

.hist-row + .hist-row { border-top: 1px solid var(--border); }
.hist-row:hover { background: var(--surface-2); }
.hist-row:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }

.hist-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.hist-title {
  font-size: var(--fs-m);
  font-weight: 700;
  color: var(--text);
}

.hist-meta {
  font-size: 0.875rem;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.hist-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.hist-date {
  font-size: 0.8125rem;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* Empty: the 3D hourglass and one line, no box around them. */
.hist-empty { padding: var(--space-7) var(--space-5); }
.hist-empty .img3d { margin: 0 auto; }

/* ---------- exceptions (#/exceptions): one surface per kind, badge, name, one line, action ---------- */

.exc-head {
  flex-direction: column;
  align-items: stretch;
}

.exc-head .page-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
}

.exc-head .btn { width: 100%; }

.exc-count {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

.exc-page { gap: var(--space-5); }

.exc-list {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}

.exc-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  min-height: 64px;
  padding: var(--space-3) var(--space-4);
}

.exc-item + .exc-item { border-top: 1px solid var(--border); }

.exc-badge {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.exc-badge-alert { background: var(--exception-bg); color: var(--exception-fg); }
.exc-badge-wait { background: var(--warn-bg); color: var(--warn-fg); }

.exc-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.exc-title {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  font-size: var(--fs-m);
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.exc-title:hover { text-decoration: underline; }

.exc-meta {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-2);
}

/* Mobile: actions full width under the row. Desktop: action on the right. */
.exc-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.exc-actions .btn { width: 100%; min-height: 48px; }

.exc-empty { padding: var(--space-7) var(--space-5); }
.exc-empty .img3d { margin: 0 auto; }

.show-older { justify-self: start; }

@media (min-width: 720px) {
  .exc-head {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .exc-head .btn { width: auto; }

  .exc-item { grid-template-columns: 40px minmax(0, 1fr) auto; }

  .exc-actions {
    grid-column: 3;
    grid-row: 1;
    flex-direction: row;
  }

  .exc-actions .btn { width: auto; min-height: var(--tap); }
}

/* ---- trust points: collapsed summary row (lots home) ---- */

.rewards-card {
  padding: 0;
}

.rewards-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: var(--space-3, 12px);
  row-gap: var(--space-1, 4px);
  min-height: var(--tap, 44px);
  position: relative;
  padding: var(--space-2, 8px) calc(var(--space-4, 16px) + 28px) var(--space-2, 8px) var(--space-4, 16px);
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius-m, 18px);
  color: var(--text, #1b1a17);
}

.rewards-summary::-webkit-details-marker {
  display: none;
}

.rewards-summary:focus-visible {
  outline: 2px solid var(--focus, #1b5fd6);
  outline-offset: 2px;
}

.rewards-summary-label {
  font-size: var(--fs-s, 0.9rem);
  font-weight: 700;
  white-space: nowrap;
}

.rewards-summary-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: var(--space-3, 12px);
  row-gap: var(--space-1, 4px);
  min-width: 0;
  flex: 1 1 auto;
  font-size: var(--fs-s, 0.9rem);
  color: var(--text-2, #57524a);
}

.rewards-summary-pts {
  font-family: var(--font-num, system-ui, sans-serif);
  font-weight: 800;
  color: var(--text, #1b1a17);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.rewards-summary-bar {
  display: block;
  flex: 0 1 112px;
  width: 112px;
  min-width: 56px;
  height: 8px;
}

.rewards-summary-next {
  font-size: var(--fs-xs, 0.78rem);
  color: var(--text-2, #57524a);
  font-variant-numeric: tabular-nums;
}

/* Chevron: rotates when open. Hidden when there is nothing to expand. */
.rewards-summary::after {
  content: "";
  flex: 0 0 auto;
  position: absolute;
  top: 50%;
  right: calc(var(--space-4, 16px) + 6px);
  width: 8px;
  height: 8px;
  margin-top: -6px;
  border-right: 2px solid var(--rw-fg, #0f5c3f);
  border-bottom: 2px solid var(--rw-fg, #0f5c3f);
  transform: rotate(45deg);
  transition: transform var(--dur, 200ms) var(--ease, ease);
}

.rewards-card[open] > .rewards-summary::after {
  transform: rotate(-135deg);
}

.rewards-card.is-unavailable > .rewards-summary {
  cursor: default;
}

.rewards-card.is-unavailable > .rewards-summary::after {
  display: none;
}

.rewards-body {
  padding: 0 var(--space-4, 16px) var(--space-4, 16px);
  border-top: 1px solid var(--border, #ddd5c4);
  padding-top: var(--space-4, 16px);
}

.rewards-card .rewards-why {
  margin: 0;
}

@media (max-width: 389px) {
  .rewards-summary-bar {
    flex-basis: 96px;
    width: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rewards-summary::after {
    transition: none;
  }
}

/* ---- impact: one headline count, the rest as a quiet row (coordinator) ---- */

.impact-headline {
  display: grid;
  justify-items: start;
  gap: var(--space-1, 4px);
  padding: var(--space-4, 16px) var(--space-5, 24px);
  border: 1px solid var(--border, #ddd5c4);
  border-radius: var(--radius-m, 18px);
  background: var(--surface-2, #efeadf);
  color: var(--text, #1b1a17);
}

.impact-headline.is-alert {
  background: var(--exception-bg);
  color: var(--exception-fg);
  border-color: transparent;
}

.impact-headline-num {
  font-family: var(--font-num, system-ui, sans-serif);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.impact-headline-cap {
  font-size: var(--fs-s, 0.9rem);
  font-weight: 700;
}

.impact-rest {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  column-gap: var(--space-3, 12px);
}

.impact-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  padding: var(--space-2, 8px) 0 var(--space-1, 4px);
  border-top: 1px solid var(--border, #ddd5c4);
}

.impact-stat-num {
  font-family: var(--font-num, system-ui, sans-serif);
  font-size: var(--fs-m, 1rem);
  font-weight: 700;
  color: var(--text, #1b1a17);
  font-variant-numeric: tabular-nums;
}

.impact-stat-cap {
  font-size: var(--fs-xs, 0.78rem);
  color: var(--text-2, #57524a);
}

/* ---------- Welcome: three-step guide ---------- */

.welcome-who {
  margin: 0;
  font-size: var(--fs-m);
  font-weight: 700;
  color: var(--text);
}

.welcome-role-step {
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  color: var(--text-2);
  font-size: var(--fs-xs);
  font-weight: 700;
}