:root {
  --font-sans: "Space Grotesk", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --bg-gradient: linear-gradient(140deg, #f8f7f4, #efeee8);
  --bg-glow-a: rgba(29, 125, 130, 0.22);
  --bg-glow-b: rgba(210, 98, 62, 0.24);
  --app-bg: rgba(255, 255, 255, 0.78);
  --app-border: #cbced2;
  --surface: #ffffff;
  --surface-soft: #f5f6f7;
  --text: #20252c;
  --muted: #5d6873;
  --accent: #0d7f83;
  --accent-2: #d15731;
  --line: #ccd2d8;
  --input-bg: #ffffff;
  --chip-bg: #eff2f5;
  --chip-text: #3e4854;
  --shadow: rgba(20, 28, 33, 0.16);
  --error: #b6382f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-size: 16px;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg-gradient);
  padding: 20px;
}

.app {
  max-width: 1050px;
  margin: 0 auto;
  padding: 28px;
  border: 1px solid var(--app-border);
  border-radius: 24px;
  background: var(--app-bg);
  box-shadow: 0 18px 42px var(--shadow);
  position: relative;
  overflow: hidden;
}

.bg-glow {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  filter: blur(40px);
  z-index: -1;
  animation: drift 13s ease-in-out infinite alternate;
}

.bg-glow-a {
  left: -110px;
  top: -80px;
  background: var(--bg-glow-a);
}

.bg-glow-b {
  right: -130px;
  bottom: -90px;
  background: var(--bg-glow-b);
  animation-delay: 1.5s;
}

.hero {
  animation: rise-in 500ms ease-out both;
}

.hero-top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.hero-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.header-pickers {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.header-install-btn {
  border: 1px solid color-mix(in srgb, var(--accent) 70%, #000);
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 72%, #000));
  color: #f7fbfb;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 7px 10px;
  border-radius: 10px;
  box-shadow: 0 6px 14px color-mix(in srgb, var(--accent) 36%, transparent);
  min-height: 36px;
  line-height: 1;
  margin-top: 4px;
}

.header-install-btn:hover {
  transform: translateY(-1px);
}

.theme-picker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.theme-label {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

.theme-picker select {
  min-width: 94px;
  width: auto;
  border-radius: 10px;
  padding: 7px 10px;
  font-size: 0.86rem;
}

.hero-icon {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  flex-shrink: 0;
}

h1 {
  margin: 8px 0 10px;
  font-size: clamp(1.9rem, 3.5vw, 2.7rem);
  line-height: 1.05;
}

.subtitle {
  margin: 0;
  max-width: none;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--muted);
}

.controls {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
  animation: rise-in 620ms ease-out both;
}

.feed-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.main-input-row {
  grid-template-columns: 1fr auto auto auto;
}

input[type="url"],
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: var(--input-bg);
}

input[type="url"]:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button {
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

#load-btn {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 72%, #000));
  color: #f7fbfb;
  box-shadow: 0 6px 14px color-mix(in srgb, var(--accent) 36%, transparent);
}

#favorite-btn {
  background: linear-gradient(135deg, var(--accent-2), color-mix(in srgb, var(--accent-2) 70%, #000));
  color: #fff8f5;
  box-shadow: 0 6px 14px color-mix(in srgb, var(--accent-2) 34%, transparent);
  width: 48px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#load-btn:hover {
  transform: translateY(-1px);
}

#favorite-btn:hover {
  transform: translateY(-1px);
}

#favorite-btn img {
  width: 22px;
  height: 22px;
  display: block;
}

.quick-feeds {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.quick-feeds-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.feed-toolbar-btn {
  width: 48px;
  height: 48px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--text) 50%, #ffffff),
    color-mix(in srgb, var(--text) 62%, #ffffff)
  );
  color: #f7fbfb;
  box-shadow: 0 6px 14px color-mix(in srgb, var(--text) 34%, transparent);
}

.feed-toolbar-btn:hover {
  transform: translateY(-1px);
}

body[data-theme="dark"] .feed-toolbar-btn {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--line) 68%, var(--text) 32%),
    color-mix(in srgb, var(--surface) 82%, var(--line) 18%)
  );
  box-shadow: 0 6px 14px color-mix(in srgb, var(--line) 40%, transparent);
}

.feed-toolbar-icon {
  width: 20px;
  height: 20px;
  display: block;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.feed-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.feed-pill.deletable .feed-chip {
  padding-right: 30px;
}

.feed-chip {
  background: var(--chip-bg);
  color: var(--chip-text);
  border: 1px solid var(--line);
  font-size: 0.9rem;
  padding: 8px 11px;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feed-chip:hover {
  transform: translateY(-1px);
}

.feed-chip-delete {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 0;
  background: color-mix(in srgb, var(--text) 16%, transparent);
  color: var(--text);
  font-size: 0.72rem;
  line-height: 1;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.feed-pill.deletable:hover .feed-chip-delete,
.feed-pill.deletable:focus-within .feed-chip-delete {
  opacity: 1;
  pointer-events: auto;
}

.feed-chip-delete:hover {
  background: color-mix(in srgb, var(--error) 32%, transparent);
}

.status {
  min-height: 1.3rem;
  margin: 12px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.results {
  margin-top: 20px;
}

.site-footer {
  margin-top: 24px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.site-footer p {
  margin: 0;
}

.site-footer .author-link {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--muted) 65%, transparent);
}

.site-footer .author-link:hover {
  color: var(--accent-2);
  text-decoration-color: var(--accent-2);
}

.site-footer a {
  color: var(--accent-2);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.footer-links {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-divider {
  color: var(--line);
}

.footer-action-btn {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-size: inherit;
  font-weight: 400;
  box-shadow: none;
  border-radius: 0;
}

.footer-action-btn:hover {
  transform: none;
  text-decoration: underline;
}

.footer-action-btn:focus-visible {
  outline: 2px solid var(--error);
  outline-offset: 2px;
  border-radius: 4px;
}

.footer-action-btn:disabled {
  opacity: 0.65;
  cursor: wait;
  text-decoration: none;
}

.feed-meta {
  margin-bottom: 16px;
}

.feed-meta-top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.feed-meta-title-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.feed-meta-thumb {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  flex-shrink: 0;
}

.feed-meta h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.1vw, 1.65rem);
}

.feed-meta p {
  margin: 6px 0 0;
  color: var(--muted);
}

.feed-meta-site-link {
  color: var(--accent-2);
  text-decoration: none;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.feed-meta-site-link:hover {
  text-decoration: underline;
}

.items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.item {
  opacity: 0;
  transform: translateY(10px);
  animation: card-in 420ms ease forwards;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 14px;
  background: var(--surface-soft);
  color: var(--muted);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes card-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }

  to {
    transform: translate3d(0, 20px, 0) scale(1.08);
  }
}

@media (max-width: 700px) {
  body {
    padding: 12px;
  }

  .app {
    padding: 16px;
    border-radius: 16px;
  }

  .hero-top-row {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .theme-picker {
    margin-top: 0;
  }

  .header-pickers {
    justify-content: flex-start;
  }

  .subtitle {
    margin: 16px 0;
  }

  .controls {
    margin-top: 0;
  }

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

  .main-input-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .main-input-row > #feed-url,
  .main-input-row > #load-btn {
    grid-column: 1 / -1;
  }

  .main-input-row > #favorite-btn {
    grid-column: 1;
    width: 100%;
    height: 48px;
  }

  #load-btn,
  #favorite-btn {
    width: 100%;
  }

  .feed-chip {
    max-width: none;
  }

  .quick-feeds-toolbar {
    grid-column: 2 / span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    align-items: stretch;
  }

  .feed-toolbar-btn {
    width: 100%;
    height: 48px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-install-btn {
    width: auto;
    margin-top: 0;
  }

  .feed-meta-top-row {
    flex-wrap: wrap;
  }
}

@media (hover: none) {
  .feed-pill.deletable .feed-chip-delete {
    opacity: 1;
    pointer-events: auto;
  }
}

/* Legal page content-specific styles. Base layout comes from body/.app/h1/.subtitle. */

.license-content {
  margin: 16px 0 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre-wrap;
}