:root {
  color-scheme: light;
  --navy: #0f2b48;
  --navy-light: #1e3d59;
  --blue: #006fa8;
  --cyan: #00b4d8;
  --green: #18776d;
  --amber: #c84f36;
  --ink: #17202b;
  --muted: #536171;
  --line: #cbd5df;
  --surface: #ffffff;
  --surface-soft: #eef4f8;
  --background: #f7f9fc;
  --focus: #ffbf47;
  --shadow: 0 10px 28px rgba(15, 43, 72, 0.09);
  font-family: Inter, Aptos, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--background);
  font-size: 1rem;
  line-height: 1.55;
}

a {
  color: var(--blue);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: #ffffff;
  background: #000000;
  border-radius: 0.4rem;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  padding: 0.85rem clamp(1rem, 4vw, 3.5rem);
  color: #ffffff;
  background: var(--navy);
}

.brand-block,
.header-status,
.page-heading,
.section-heading,
.form-actions,
.field-meta {
  display: flex;
  align-items: center;
}

.brand-block {
  gap: 0.85rem;
}

.brand-mark {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  color: var(--navy);
  background: var(--cyan);
  border-radius: 0.8rem;
  font-weight: 800;
}

.brand-name,
.brand-description,
.eyebrow,
.summary-label,
.summary-value,
.preview-state,
.field-hint,
.connection-note,
footer p {
  margin: 0;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 750;
}

.brand-description {
  color: #d4e2ee;
  font-size: 0.9rem;
}

.header-status {
  gap: 1rem;
}

.header-button {
  min-height: 2.5rem;
  padding: 0.45rem 0.8rem;
  color: #ffffff;
  background: transparent;
  border: 2px solid #d4e2ee;
  border-radius: 0.45rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.header-button:hover {
  color: var(--navy);
  background: #ffffff;
}

.auth-screen {
  display: grid;
  min-height: calc(100vh - 9rem);
  padding: clamp(1.25rem, 5vw, 4rem) 1rem;
  place-items: start center;
}

.auth-card {
  width: min(100%, 34rem);
  padding: clamp(1.25rem, 5vw, 2.5rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  box-shadow: var(--shadow);
}

.auth-card .field {
  margin-top: 1rem;
}

.show-password {
  margin-top: 0.65rem;
}

.auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.auth-separator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0;
  color: var(--muted);
}

.auth-separator::before,
.auth-separator::after {
  height: 1px;
  background: var(--line);
  content: "";
  flex: 1;
}

.google-button {
  width: 100%;
  color: var(--navy);
  background: #ffffff;
  border-color: var(--navy);
}

.google-button:hover {
  background: var(--surface-soft);
}

.demo-button {
  width: 100%;
  margin-top: 0.75rem;
}

.auth-status {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  color: var(--navy);
  font-weight: 650;
}

.environment-badge,
.status-chip,
.count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
}

.environment-badge {
  color: #061c2f;
  background: var(--cyan);
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(12.5rem, 15rem) minmax(0, 1fr);
  max-width: 92rem;
  min-height: calc(100vh - 9rem);
  margin: 0 auto;
}

.primary-nav {
  padding: 2rem 1rem;
  background: #e8eff5;
  border-right: 1px solid var(--line);
}

.primary-nav a {
  display: block;
  margin-bottom: 0.35rem;
  padding: 0.75rem 0.9rem;
  color: var(--navy);
  border-radius: 0.55rem;
  font-weight: 650;
  text-decoration: none;
}

.primary-nav a:hover {
  background: #d7e4ee;
}

.primary-nav a[aria-current="page"] {
  color: #ffffff;
  background: var(--navy);
}

main {
  width: 100%;
  max-width: 76rem;
  padding: clamp(1.25rem, 4vw, 3rem);
}

section {
  scroll-margin-top: 1rem;
}

.page-heading,
.section-heading {
  justify-content: space-between;
  gap: 1.5rem;
}

h1,
h2,
h3 {
  color: var(--navy);
  line-height: 1.2;
}

h1 {
  margin: 0.15rem 0 0.6rem;
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  margin: 0.15rem 0 0.75rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

h3 {
  margin: 0.4rem 0;
  font-size: 1.2rem;
}

.eyebrow,
.preview-state {
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  max-width: 48rem;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.summary-grid,
.two-column {
  display: grid;
  gap: 1rem;
}

.summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 2rem 0;
}

.summary-card,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  box-shadow: var(--shadow);
}

.summary-card {
  padding: 1.2rem;
}

.summary-label {
  color: var(--muted);
  font-weight: 650;
}

.summary-value {
  color: var(--navy);
  font-size: 2.25rem;
  font-weight: 800;
}

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

.panel {
  margin: 1.4rem 0;
  padding: clamp(1.1rem, 3vw, 2rem);
}

.panel.compact {
  margin: 0;
}

.status-chip {
  color: var(--navy);
  background: #dfeaf2;
}

.count-badge {
  min-width: 2rem;
  color: #ffffff;
  background: var(--navy);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.field {
  min-width: 0;
}

.full-width {
  grid-column: 1 / -1;
}

label,
legend {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--navy);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0.8rem;
  color: var(--ink);
  background: #ffffff;
  border: 2px solid #8796a5;
  border-radius: 0.45rem;
  font: inherit;
}

textarea {
  min-height: 9rem;
  resize: vertical;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--navy);
}

.field-hint,
.connection-note,
.field-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.field-hint,
.connection-note {
  margin-top: 0.35rem;
}

.field-meta {
  justify-content: space-between;
  gap: 1rem;
}

.audience-fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.choice {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.45rem 0;
  font-weight: 500;
}

.choice input {
  width: 1.25rem;
  min-height: 1.25rem;
  margin: 0;
  accent-color: var(--blue);
}

.form-actions {
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button,
.text-button {
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  border: 2px solid transparent;
  border-radius: 0.45rem;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.button.primary {
  color: #ffffff;
  background: var(--blue);
}

.button.primary:hover {
  background: #005c8c;
}

.button.secondary {
  color: var(--navy);
  background: #ffffff;
  border-color: var(--navy);
}

.button.secondary:hover:not(:disabled) {
  background: #e8eff5;
}

.button:disabled {
  color: #626b73;
  background: #e5e8eb;
  border-color: #a5adb5;
  cursor: not-allowed;
}

.text-button {
  padding-left: 0;
  color: var(--blue);
  background: transparent;
  text-decoration: underline;
}

.preview-card {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--surface-soft);
  border: 3px solid var(--blue);
  border-radius: 0.75rem;
}

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

#preview-meta {
  color: var(--muted);
  font-weight: 650;
}

.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1.4rem 0;
}

.empty-state {
  padding: 1rem;
  background: var(--surface-soft);
  border-radius: 0.65rem;
}

.owner-note {
  padding: 0.9rem 1rem;
  color: var(--navy);
  background: #e3f5f1;
  border-left: 0.35rem solid var(--green);
  border-radius: 0.35rem;
  font-weight: 650;
}

.user-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.75rem;
  margin: 2rem 0 1rem;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
}

table {
  width: 100%;
  min-width: 48rem;
  border-collapse: collapse;
  background: var(--surface);
}

caption {
  padding: 0.85rem;
  color: var(--navy);
  font-size: 1.05rem;
  font-weight: 750;
  text-align: left;
}

th,
td {
  padding: 0.8rem;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--navy);
  background: var(--surface-soft);
}

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.table-actions .button,
.action-list .button {
  min-height: 2.35rem;
  padding: 0.4rem 0.65rem;
  font-size: 0.9rem;
}

.nested-panel {
  margin-top: 1.25rem;
  padding: 1rem;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
}

.action-list {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.action-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
}

.action-list li:first-child {
  border-top: 0;
}

.message-thread-list,
.message-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.message-thread-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
}

.message-list li {
  margin-bottom: 0.75rem;
  padding: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
}

.system-panel {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.status-list {
  min-width: 19rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.status-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

.status-dot {
  flex: 0 0 auto;
  width: 0.8rem;
  height: 0.8rem;
  border: 2px solid var(--navy);
  border-radius: 50%;
}

.status-dot.ready {
  background: var(--green);
}

.status-dot.waiting {
  background: var(--focus);
}

footer {
  padding: 1.5rem;
  color: #d4e2ee;
  background: var(--navy);
  text-align: center;
}

@media (max-width: 850px) {
  .app-shell {
    display: block;
  }

  .primary-nav {
    display: flex;
    gap: 0.3rem;
    overflow-x: auto;
    padding: 0.7rem 1rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .primary-nav a {
    flex: 0 0 auto;
    margin: 0;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 650px) {
  .site-header,
  .page-heading,
  .section-heading,
  .system-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .header-status {
    justify-content: space-between;
  }

  .form-grid,
  .two-column,
  .user-search {
    grid-template-columns: 1fr;
  }

  .user-search .button {
    justify-self: start;
  }

  .action-list li {
    align-items: flex-start;
    flex-direction: column;
  }

  .message-thread-list li {
    align-items: flex-start;
    flex-direction: column;
  }

  .full-width {
    grid-column: auto;
  }

  .status-list {
    min-width: 0;
  }

  .field-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: #52606d;
  }

  .summary-card,
  .panel {
    border-width: 2px;
    box-shadow: none;
  }
}