:root {
  color-scheme: light dark;
  --bg: #f7f4e8;
  --text: #183329;
  --muted: #63776d;
  --line: rgba(47, 111, 88, 0.2);
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-soft: rgba(235, 244, 232, 0.76);
  --accent: #2f6f58;
  --accent-strong: #0e615f;
  --accent-soft: rgba(116, 189, 145, 0.18);
  --warning: #8a672c;
  --danger: #9d4f3f;
  --success: #237455;
  --shadow: 0 16px 48px rgba(39, 73, 58, 0.11);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1712;
    --text: #edf6f0;
    --muted: #abc0b4;
    --line: rgba(134, 211, 170, 0.2);
    --surface: rgba(23, 42, 33, 0.82);
    --surface-strong: rgba(28, 51, 40, 0.97);
    --surface-soft: rgba(17, 35, 27, 0.86);
    --accent: #86d3aa;
    --accent-strong: #a9e5c4;
    --accent-soft: rgba(134, 211, 170, 0.14);
    --warning: #e6c983;
    --danger: #f0a48f;
    --success: #9fe0bf;
    --shadow: 0 22px 70px rgba(0, 0, 0, 0.32);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 92%, var(--accent) 8%));
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 2;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 90%, transparent);
  backdrop-filter: blur(18px);
}

.nav,
.brand,
.nav-status,
.footer-content {
  display: flex;
  align-items: center;
}

.nav {
  min-height: 72px;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  gap: 12px;
  color: var(--text);
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.brand span {
  display: grid;
  line-height: 1.16;
}

.brand small,
.user-state,
.status-message,
.hero-copy p:last-child,
.form-copy p:last-child,
.mini-card p:last-child,
.session-card p,
.privacy-box p,
.safety-note p,
.footer {
  color: var(--muted);
}

.nav-status {
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.read-only-pill,
.account-pill,
.top-auth-actions button,
.session-summary,
.step-number {
  border: 1px solid var(--line);
  border-radius: 999px;
}

.read-only-pill,
.account-pill {
  padding: 7px 12px;
  font-size: 0.84rem;
  font-weight: 800;
}

.read-only-pill {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.account-pill {
  max-width: min(44vw, 300px);
  overflow: hidden;
  color: var(--muted);
  background: var(--surface-soft);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.signed-state {
  color: var(--accent-strong);
}

.top-auth-actions {
  display: flex;
  gap: 8px;
}

.top-auth-actions button {
  min-height: 34px;
  width: auto;
  min-width: 92px;
  padding: 6px 14px;
  font-size: 0.84rem;
}

.top-auth-actions .secondary-button {
  background: var(--surface-soft);
}

.portal {
  padding: 24px 0 72px;
}

.portal-hero {
  display: block;
}

.hero-copy {
  min-height: 0;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 14ch;
  margin-bottom: 12px;
  font-size: clamp(2.8rem, 5.4vw, 4.9rem);
  line-height: 0.98;
}

.hero-copy p {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(0.98rem, 1.25vw, 1.08rem);
}

.hero-trust-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hero-trust-row span {
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 850;
}

h2 {
  margin-bottom: 8px;
  font-size: clamp(1.22rem, 2.8vw, 1.58rem);
  line-height: 1.16;
}

button {
  min-height: 46px;
  width: 100%;
  border: 0;
  border-radius: 6px;
  padding: 10px 18px;
  background: var(--accent-strong);
  color: #fff;
  font: inherit;
  font-weight: 850;
}

button:not(:disabled) {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
}

.secondary-button {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--accent-strong);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.64;
}

.side-rail,
.session-card,
.nickname-card,
.accept-card,
.shared-status-card,
.mini-card,
.safety-note {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.user-state,
.status-message {
  margin: 0;
  font-size: 0.94rem;
}

.platform-layout {
  margin-top: 16px;
}

.side-rail {
  padding: 20px;
}

.step-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 18px 0;
  list-style: none;
}

.step-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.step-item small {
  display: block;
  color: var(--muted);
}

.step-number {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--muted);
  background: var(--surface-strong);
  font-weight: 900;
}

.step-item[data-state="active"] {
  border-color: color-mix(in srgb, var(--accent-strong) 55%, var(--line));
  background: var(--accent-soft);
}

.step-item[data-state="done"] .step-number {
  color: #fff;
  background: var(--success);
}

.privacy-box {
  padding: 14px;
  border-radius: 8px;
  background: var(--surface-strong);
}

.privacy-box p {
  margin: 5px 0 0;
  font-size: 0.93rem;
}

.workspace {
  display: grid;
  gap: 16px;
}

.portal-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.portal-tabs button {
  min-height: 40px;
  width: auto;
  min-width: max-content;
  border: 1px solid transparent;
  padding: 8px 14px;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
}

.portal-tabs button[aria-selected="true"] {
  border-color: var(--line);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.portal-panel {
  display: grid;
  gap: 16px;
}

.portal-panel[hidden] {
  display: none;
}

.session-card {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px;
}

.session-card h2,
.session-card p {
  max-width: 620px;
}

.session-card p:last-child {
  margin-bottom: 0;
}

.session-summary {
  display: grid;
  gap: 9px;
  align-self: start;
  max-width: 260px;
  padding: 9px 13px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  font-size: 0.9rem;
  font-weight: 800;
}

.refresh-button {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--accent-strong);
  font-size: 0.86rem;
}

.nickname-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 1.1fr);
  gap: 18px;
  padding: 20px;
}

.nickname-card[hidden] {
  display: none;
}

.nickname-form {
  display: grid;
  gap: 12px;
}

.nickname-form label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-weight: 800;
}

.nickname-form input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: var(--surface-strong);
  color: var(--text);
  font: inherit;
}

.nickname-form input:focus {
  border-color: var(--accent-strong);
}

.status-dot {
  display: block;
  width: 12px;
  height: 12px;
  margin-bottom: 16px;
  border-radius: 50%;
}

.status-dot.calm {
  background: var(--muted);
  opacity: 0.75;
  box-shadow: 0 0 0 7px var(--surface-strong);
}

.status-dot.calm[data-active="true"] {
  background: var(--success);
  opacity: 1;
  box-shadow: 0 0 0 7px var(--accent-soft);
}

.accept-card {
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1.2fr);
  gap: 22px;
}

.accept-form {
  display: grid;
  gap: 13px;
}

.link-invite-box {
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--muted);
}

.link-invite-box strong {
  color: var(--text);
}

.link-invite-box[data-loaded="true"] {
  border-color: var(--accent-strong);
  background: var(--accent-soft);
  color: var(--text);
}

.manual-invite-details {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--surface-strong);
}

.manual-invite-details summary {
  cursor: pointer;
  color: var(--accent-strong);
  font-weight: 800;
}

.manual-invite-details[open] {
  display: grid;
  gap: 13px;
}

.accept-form label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-weight: 800;
}

.accept-form input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: var(--surface-strong);
  color: var(--text);
  font: inherit;
}

.accept-form input:focus {
  border-color: var(--accent-strong);
}

.status-message {
  grid-column: 1 / -1;
  padding: 13px 14px;
  border-radius: 8px;
  background: var(--accent-soft);
}

.status-message[data-warning="true"] {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.shared-status-card {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.dashboard-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.dashboard-head > div:first-child {
  min-width: 0;
}

.dashboard-summary {
  display: grid;
  gap: 9px;
  align-self: start;
  min-width: min(100%, 230px);
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 800;
}

.shared-status-list {
  display: grid;
  gap: 10px;
}

.shared-status-empty,
.shared-status-row,
.shared-owner-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.shared-status-empty {
  margin: 0;
  padding: 15px;
  color: var(--muted);
}

.shared-status-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
}

.shared-owner-group {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.shared-owner-group .shared-status-row {
  background: var(--surface);
}

.shared-owner-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 2px 6px;
}

.shared-owner-header h3 {
  min-width: 0;
  margin: 0;
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.2;
}

.shared-owner-header span {
  min-width: max-content;
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 900;
}

.shared-status-name {
  margin: 0;
  color: var(--text);
  font-weight: 900;
}

.shared-status-meta {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.shared-status-pill {
  min-width: 112px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--accent-strong);
  font-size: 0.86rem;
  font-weight: 900;
  text-align: center;
}

.shared-status-pill[data-state="missed"],
.shared-status-pill[data-state="unresolved"] {
  color: var(--warning);
}

.shared-status-pill[data-state="taken"] {
  color: var(--success);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.mini-card {
  min-height: 165px;
  padding: 20px;
}

.safety-note {
  padding: 18px 20px;
  box-shadow: none;
}

.safety-note strong {
  color: var(--warning);
}

.safety-note p {
  margin: 4px 0 0;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 30px;
}

.footer-content {
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-status {
    justify-content: flex-start;
  }

  .top-auth-actions {
    width: 100%;
  }

  .top-auth-actions button {
    flex: 1;
  }

  .portal {
    padding-top: 18px;
  }

  .platform-layout,
  .nickname-card,
  .accept-card,
  .overview-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-height: auto;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.4rem, 11vw, 3.8rem);
  }

  .side-rail {
    position: static;
  }

  .session-card {
    flex-direction: column;
  }

  .session-summary {
    max-width: none;
  }

  .dashboard-head {
    flex-direction: column;
  }

  .dashboard-summary {
    width: 100%;
  }

  .shared-status-row {
    grid-template-columns: 1fr;
  }

  .shared-owner-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .shared-owner-header span {
    min-width: 0;
  }

  .shared-status-pill {
    width: fit-content;
  }

  .account-pill {
    max-width: calc(100vw - 32px);
  }
}