:root {
  color-scheme: dark;
  --bg: #070a0f;
  --text: #f8fafc;
  --muted: #b5bfcc;
  --line: rgba(255, 255, 255, 0.18);
  --panel: rgba(7, 10, 15, 0.72);
  --green: #3bd671;
  --amber: #f0b84a;
  --red: #ff6b6b;
  --blue: #65a7ff;
  --ink: #07100b;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
  font: inherit;
}

.reader-shell {
  position: relative;
  height: 100dvh;
  width: 100%;
  overflow: hidden;
}

.reader-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(88px, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  padding: max(14px, env(safe-area-inset-top)) 14px 10px;
  background: linear-gradient(180deg, rgba(7, 10, 15, 0.76), transparent);
}

.sort-bar {
  display: inline-flex;
  justify-self: center;
  gap: 2px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 10, 15, 0.52);
  padding: 2px;
}

.sort {
  height: 30px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  padding: 0 9px;
  font-size: 0.74rem;
  font-weight: 850;
  cursor: pointer;
  white-space: nowrap;
}

.sort.active {
  border-color: var(--text);
  background: var(--text);
  color: var(--ink);
}

.reader-top p,
.reader-top strong {
  display: block;
  margin: 0;
}

.reader-top > div:first-child {
  min-width: 0;
}

.reader-top p {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
}

.top-logo {
  width: 18px;
  height: 18px;
}

.reader-top strong {
  margin-top: 2px;
  color: var(--text);
  font-size: 0.88rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.top-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 6px;
}

.top-actions button {
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 10, 15, 0.52);
  color: var(--text);
  padding: 0 9px;
  font-weight: 800;
  cursor: pointer;
}

.top-actions .icon-action {
  width: 36px;
  padding: 0;
  font-size: 1.05rem;
}

.top-actions .icon-action svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}

.top-actions button:disabled {
  color: var(--muted);
  cursor: progress;
}

.filter-menu {
  position: fixed;
  top: calc(max(14px, env(safe-area-inset-top)) + 50px);
  left: 50%;
  z-index: 11;
  display: grid;
  width: min(452px, calc(100% - 28px));
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 10, 15, 0.92);
  padding: 8px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(14px);
}

.filter-menu[hidden] {
  display: none;
}

.filter {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0 10px;
  font-size: 0.76rem;
  font-weight: 850;
  cursor: pointer;
  text-align: center;
}

.filter.active {
  border-color: var(--green);
  background: var(--green);
  color: var(--ink);
}

.story-deck {
  height: 100dvh;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
  overscroll-behavior-y: contain;
}

.story-deck::-webkit-scrollbar {
  display: none;
}

.story-card,
.empty-state {
  position: relative;
  min-height: 100dvh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
  background: var(--bg);
}

.story-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.04);
}

.story-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.12) 0%, rgba(0, 0, 0, 0.26) 34%, rgba(0, 0, 0, 0.9) 82%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.38), transparent 50%);
}

.story-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 76dvh;
  padding: 0 18px max(18px, env(safe-area-inset-bottom));
  overflow-y: auto;
}

.story-content::-webkit-scrollbar {
  display: none;
}

.story-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.story-meta span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lane {
  flex: 0 0 auto;
  max-width: 105px;
  border-radius: 999px;
  padding: 4px 9px;
  background: rgba(101, 167, 255, 0.18);
  color: var(--blue);
  font-weight: 900;
  text-transform: uppercase;
}

.lane.models {
  background: rgba(178, 140, 255, 0.18);
  color: #b28cff;
}

.lane.papers {
  background: rgba(240, 184, 74, 0.18);
  color: var(--amber);
}

.lane.funding {
  background: rgba(59, 214, 113, 0.18);
  color: var(--green);
}

.lane.pushback {
  background: rgba(255, 107, 107, 0.18);
  color: var(--red);
}

.source {
  min-width: 52px;
}

.time {
  flex: 0 0 auto;
  margin-left: auto;
}

.story-card h1 {
  margin: 0;
  font-size: clamp(1.55rem, 5vw, 2.45rem);
  line-height: 1.05;
  letter-spacing: 0;
  text-wrap: balance;
}

.hook,
.brief-block p,
details p {
  margin: 0;
  color: #e8edf3;
  font-size: 1rem;
  line-height: 1.48;
}

details {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

summary {
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 800;
}

details p {
  margin-top: 10px;
  color: #d1dae4;
}

.facts {
  color: #f0f5fb;
  font-weight: 750;
}

.coverage {
  color: var(--muted);
}

.story-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.story-actions button,
.story-actions a {
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 10, 15, 0.62);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.story-actions .original {
  border-color: var(--green);
  background: var(--green);
  color: var(--ink);
}

.empty-state {
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.profile-dialog {
  width: min(520px, calc(100% - 28px));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111821;
  color: var(--text);
  padding: 0;
}

.profile-dialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
}

.profile-sheet {
  padding: 16px;
}

.profile-sheet h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.profile-sheet header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.profile-auth {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 10, 15, 0.48);
  padding: 12px;
  margin-bottom: 12px;
}

.profile-auth p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.42;
}

.profile-auth div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.profile-auth button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--text);
  color: var(--ink);
  padding: 0 12px;
  font-weight: 850;
  cursor: pointer;
}

.profile-auth #signOutButton {
  background: transparent;
  color: var(--text);
}

.profile-sheet header p {
  margin: 0 0 4px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.profile-sheet header button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  padding: 0 12px;
  font-weight: 800;
  cursor: pointer;
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.profile-stats div,
.profile-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 10, 15, 0.48);
}

.profile-stats div {
  padding: 12px;
}

.profile-stats span,
.profile-stats strong {
  display: block;
}

.profile-stats span {
  font-size: 1.4rem;
  font-weight: 900;
}

.profile-stats strong {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.76rem;
}

.profile-panel {
  margin-top: 10px;
  padding: 12px;
}

.profile-panel h3 {
  margin: 0 0 8px;
  font-size: 0.9rem;
}

.profile-list {
  display: grid;
  gap: 8px;
}

.profile-story {
  display: grid;
  gap: 3px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 10px;
  text-align: left;
  cursor: pointer;
}

.profile-story span {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.profile-story strong {
  font-size: 0.9rem;
  line-height: 1.25;
}

.profile-empty,
.profile-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.profile-links a {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.profile-note {
  margin-top: 12px;
}

.profile-feedback {
  display: inline-block;
  margin-top: 2px;
  color: var(--green);
  font-size: 0.86rem;
  font-weight: 850;
  line-height: 1.35;
  text-decoration: none;
}

.profile-feedback:hover {
  text-decoration: underline;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 20;
  width: min(420px, calc(100% - 28px));
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 24, 33, 0.96);
  color: var(--text);
  padding: 12px 14px;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.4);
  font-size: 0.9rem;
  line-height: 1.35;
}

.toast[hidden] {
  display: none;
}

@media (min-width: 760px) {
  .reader-shell {
    width: min(480px, 100%);
    margin: 0 auto;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
  }

  .reader-top {
    width: min(480px, 100%);
    margin: 0 auto;
  }

  .sort-bar {
    justify-self: center;
  }
}

@media (max-width: 380px) {
  .reader-top {
    grid-template-columns: minmax(78px, 1fr) auto auto;
    gap: 6px;
    padding-left: 10px;
    padding-right: 10px;
  }

  .reader-top p {
    gap: 5px;
    font-size: 0.72rem;
  }

  .top-logo {
    width: 16px;
    height: 16px;
  }

  .reader-top strong {
    font-size: 0.72rem;
  }

  .sort {
    padding: 0 7px;
    font-size: 0.7rem;
  }

  .top-actions {
    gap: 4px;
  }

  .top-actions .icon-action {
    width: 34px;
    height: 34px;
  }

  .filter-menu {
    top: calc(max(12px, env(safe-area-inset-top)) + 48px);
    width: calc(100% - 20px);
    grid-template-columns: 1fr;
  }

  .filter {
    min-height: 34px;
  }
}