:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --surface: #ffffff;
  --surface-strong: #eef2ea;
  --text: #1f2724;
  --muted: #65706b;
  --line: #dbe1d8;
  --accent: #2f6f5e;
  --accent-strong: #245548;
  --focus: #b06438;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: inherit;
}

.app-header {
  align-items: center;
  background: rgba(247, 248, 245, 0.94);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 14px;
  justify-content: flex-start;
  min-height: 72px;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--accent-strong);
  font-size: 1.35rem;
  font-weight: 800;
  text-decoration: none;
}

.top-nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
}

.top-nav a,
.legal-nav a,
.nav-button,
.auth-actions a,
.auth-actions button {
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  padding: 8px 12px;
  text-decoration: none;
}

.legal-nav {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.legal-nav a {
  font-size: 0.78rem;
  padding: 5px 6px;
}

.nav-submit-button {
  min-height: 34px !important;
  padding: 7px 12px !important;
}

.top-nav a[aria-current="page"],
.top-nav a:hover,
.legal-nav a:hover,
.nav-button:hover,
.auth-actions a:hover,
.auth-actions button:hover {
  background: var(--surface-strong);
  color: var(--text);
}

.shell {
  margin: 0 auto;
  max-width: 1120px;
  padding: 48px 24px 80px;
}

.app-layout {
  margin: 0 auto;
  max-width: 1180px;
  padding: 36px 24px 80px;
}

.intro {
  align-items: end;
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr auto;
  margin-bottom: 36px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 10px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 5vw, 4.5rem);
  letter-spacing: 0;
  line-height: 1.02;
  margin: 0;
  max-width: 820px;
}

.lead {
  color: var(--muted);
  font-size: 1.15rem;
  margin: 18px 0 0;
  max-width: 700px;
}

.dashboard-hero {
  align-items: end;
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr minmax(220px, 280px);
  margin-bottom: 24px;
}

.dashboard-hero h1 {
  font-size: clamp(2.2rem, 4vw, 4rem);
}

.status-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.status-label,
.meta {
  color: var(--muted);
  display: block;
  font-size: 0.86rem;
}

.status-panel strong {
  display: block;
  font-size: 1.2rem;
  margin-top: 4px;
}

.filter-bar {
  align-items: end;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(190px, 1.35fr) repeat(4, minmax(130px, 1fr)) auto;
  margin-bottom: 18px;
  padding: 16px;
}

.filter-bar label {
  color: var(--muted);
  display: grid;
  font-size: 0.92rem;
  font-weight: 700;
  gap: 6px;
}

.filter-bar input,
.filter-bar select {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 42px;
  padding: 9px 10px;
  width: 100%;
}

.filter-bar input:disabled {
  background: var(--surface-strong);
  color: var(--muted);
}

.filter-check {
  align-items: center;
  display: flex;
  gap: 8px;
}

.filter-check input {
  min-height: 18px;
  width: 18px;
}

.filter-bar datalist {
  display: none;
}

.filter-bar button {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  min-height: 42px;
  padding: 9px 14px;
  white-space: nowrap;
}

.data-refresh-status {
  color: var(--muted);
  font-size: 0.92rem;
  min-height: 22px;
  margin: -6px 0 18px;
}

.activity-suggester {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
  padding: 16px;
}

.activity-suggester__head {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
}

.activity-stats {
  color: var(--muted);
  font-size: 0.92rem;
  text-align: right;
}

.activity-panel {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
}

.activity-controls {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  align-content: start;
}

.activity-controls label {
  color: var(--muted);
  display: grid;
  font-size: 0.82rem;
  font-weight: 700;
  gap: 6px;
}

.activity-controls input,
.activity-controls select {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 36px;
  padding: 7px 8px;
  width: 100%;
}

.activity-advanced {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.range-row {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr 1fr;
}

.segmented-control {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.segmented-control button {
  background: var(--surface);
  border: 0;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  min-height: 40px;
}

.segmented-control button + button {
  border-left: 1px solid var(--line);
}

.segmented-control button.is-active {
  background: var(--accent);
  color: #fff;
}

.activity-safe-mode {
  align-items: center;
  display: flex !important;
  gap: 8px;
}

.hint {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
}

.activity-safe-mode input {
  min-height: 18px;
  width: 18px;
}

.activity-result {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 220px;
  padding: 14px;
}

.activity-result h3 {
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.primary-action,
.auth-form button,
.subtle-action,
.danger-action {
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 750;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  text-decoration: none;
  white-space: nowrap;
}

.subtle-action {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  color: var(--text);
}

.danger-action {
  background: #9d2f2f;
}

.primary-action:hover,
.auth-form button:hover {
  background: var(--accent-strong);
}

.feed-tabs {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 4px;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 22px;
  padding: 4px;
}

.tab {
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 42px;
}

.tab.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(31, 39, 36, 0.08);
}

.content-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feed-panel {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.item-card,
.auth-panel,
.legal-page article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(31, 39, 36, 0.06);
}

.item-card {
  padding: 22px;
}

.item-card.is-clickable {
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.item-card.is-clickable:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.card-topline {
  align-items: baseline;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.tag {
  color: var(--focus);
  font-size: 0.8rem;
  font-weight: 800;
}

.item-card h2 {
  font-size: 1.25rem;
  margin: 10px 0;
}

.item-card p,
.legal-page p {
  color: var(--muted);
}

.placeholder-card {
  grid-column: 1 / -1;
}

.is-hidden {
  display: none !important;
}

dl {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding-top: 16px;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

dt {
  color: var(--muted);
  font-weight: 650;
}

dd {
  margin: 0;
  text-align: right;
}

.auth-shell {
  display: grid;
  min-height: calc(100vh - 72px);
  padding: 32px 20px;
  place-items: center;
}

.auth-panel {
  max-width: 460px;
  padding: 28px;
  width: 100%;
}

.auth-panel h1 {
  font-size: 2rem;
  line-height: 1.1;
}

.auth-copy {
  color: var(--muted);
  margin: 12px 0 0;
}

.auth-mode {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 4px;
  grid-template-columns: 1fr 1fr;
  margin-top: 22px;
  padding: 4px;
}

.auth-mode button {
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  min-height: 40px;
}

.auth-mode button.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(31, 39, 36, 0.08);
}

.auth-form {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.auth-form.is-hidden {
  display: none;
}

.auth-form label {
  color: var(--muted);
  display: grid;
  font-weight: 700;
  gap: 7px;
}

.auth-form input {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 44px;
  padding: 10px 12px;
}

.auth-form .check-row {
  align-items: center;
  display: flex;
  flex-direction: row;
  font-weight: 650;
  gap: 10px;
}

.check-row input {
  min-height: 18px;
  width: 18px;
}

.form-message {
  color: var(--accent);
  min-height: 24px;
  margin: 14px 0 0;
}

.form-message.is-error {
  color: #9d2f2f;
}

.auth-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  margin-top: 18px;
}

.auth-actions button {
  background: transparent;
  border: 0;
  cursor: pointer;
}

.info-dot {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 800;
  height: 18px;
  justify-content: center;
  width: 18px;
}

.modal-backdrop {
  align-items: center;
  background: rgba(31, 39, 36, 0.35);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 20px;
  position: fixed;
  z-index: 30;
}

.modal-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(31, 39, 36, 0.24);
  max-height: min(760px, calc(100vh - 40px));
  max-width: 560px;
  overflow: auto;
  padding: 24px;
  position: relative;
  width: 100%;
}

.modal-panel h2 {
  font-size: 1.4rem;
  margin: 0 0 16px;
}

.modal-close {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  height: 32px;
  position: absolute;
  right: 16px;
  top: 16px;
  width: 32px;
}

.modal-form {
  display: grid;
  gap: 12px;
  margin: 14px 0;
}

.modal-form label {
  color: var(--muted);
  display: grid;
  font-weight: 700;
  gap: 6px;
}

.modal-form input,
.modal-form select,
.modal-form textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 40px;
  padding: 9px 10px;
  width: 100%;
}

.legal-page {
  margin: 0 auto;
  max-width: 840px;
  padding: 48px 20px 80px;
}

.legal-page article {
  padding: 32px;
}

.legal-page h1 {
  font-size: 2.4rem;
  margin-bottom: 24px;
}

.legal-page h2 {
  font-size: 1.1rem;
  margin: 28px 0 8px;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  gap: 16px;
  justify-content: center;
  padding: 24px;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
  text-decoration: underline;
}

@media (max-width: 760px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 16px 20px;
  }

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

  .legal-nav {
    margin-left: 0;
  }

  .intro {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .dashboard-hero,
  .filter-bar,
  .activity-panel,
  .feed-panel {
    grid-template-columns: 1fr;
  }

  .activity-advanced {
    grid-template-columns: 1fr;
  }

  .activity-suggester__head {
    align-items: stretch;
    flex-direction: column;
  }

  .activity-stats {
    text-align: left;
  }

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

  .feed-tabs {
    grid-template-columns: 1fr;
  }
}