:root {
  color-scheme: dark;
  --ink: #f7fbff;
  --muted: #9aa8bd;
  --soft: #d7e2f2;
  --void: #06070d;
  --night: #0a0d16;
  --panel: rgba(13, 17, 30, 0.76);
  --panel-strong: rgba(17, 23, 40, 0.92);
  --line: rgba(178, 203, 255, 0.16);
  --line-hot: rgba(110, 231, 255, 0.36);
  --cyan: #6ee7ff;
  --violet: #b17eff;
  --pink: #ff7ad5;
  --lime: #b6ff7a;
  --amber: #ffd166;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.42);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(110, 231, 255, 0.06) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(rgba(177, 126, 255, 0.055) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(145deg, #070812 0%, #090c18 42%, #10101d 100%);
  overflow-x: hidden;
}

body::before,
body::after {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
}

body::before {
  z-index: -3;
  background:
    linear-gradient(115deg, rgba(110, 231, 255, 0.16), transparent 34%),
    linear-gradient(245deg, rgba(255, 122, 213, 0.13), transparent 38%),
    linear-gradient(15deg, transparent 54%, rgba(182, 255, 122, 0.08));
}

body::after {
  z-index: -2;
  opacity: 0.34;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 2px, rgba(255, 255, 255, 0.05) 2px 3px),
    repeating-linear-gradient(90deg, transparent 0 5px, rgba(255, 255, 255, 0.025) 5px 6px);
  mix-blend-mode: screen;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

#sky-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.9;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.masthead {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--void);
  background: linear-gradient(135deg, var(--cyan), var(--pink));
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 12px;
  box-shadow: 0 0 34px rgba(110, 231, 255, 0.28);
  font-weight: 950;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  letter-spacing: 0.01em;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-actions {
  display: flex;
  gap: 8px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.nav-actions a {
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-actions a:hover,
.nav-actions a:focus-visible {
  color: var(--ink);
  background: rgba(110, 231, 255, 0.1);
  outline: none;
}

.hero {
  min-height: clamp(560px, 74vh, 820px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 390px);
  align-items: center;
  gap: 42px;
  padding: 72px 0 38px;
}

.hero-copy h1,
.admin-intro h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(4.3rem, 12vw, 10rem);
  line-height: 0.84;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero-copy h1 {
  background: linear-gradient(105deg, #fff 8%, var(--cyan) 36%, var(--pink) 64%, #fff 92%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: title-sheen 10s ease-in-out infinite;
}

.eyebrow,
.signal-label {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.lede {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--soft);
  font-size: clamp(1.08rem, 2.2vw, 1.62rem);
  line-height: 1.48;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-link,
.ghost-link,
.filter,
.primary-action {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.primary-link,
.ghost-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  font-weight: 800;
}

.primary-link,
.primary-action {
  color: #061018;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  border-color: rgba(182, 255, 122, 0.5);
  box-shadow: 0 0 38px rgba(110, 231, 255, 0.2);
}

.ghost-link {
  color: var(--soft);
  background: rgba(255, 255, 255, 0.045);
}

.signal-panel,
.composer,
.article-card {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 34%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.signal-panel {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  min-height: 320px;
  padding: 24px;
}

.signal-panel::before,
.article-card::before,
.composer::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(120deg, transparent 0 38%, rgba(110, 231, 255, 0.12) 48%, transparent 58%);
  transform: translateX(-120%);
  transition: transform 700ms ease;
}

.signal-panel:hover::before,
.article-card:hover::before,
.composer:hover::before {
  transform: translateX(120%);
}

.panel-glow {
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(110, 231, 255, 0.18);
  border-radius: 14px;
}

.signal-panel strong {
  display: block;
  max-width: 270px;
  font-size: 2rem;
  line-height: 1;
  text-wrap: balance;
}

.signal-panel p {
  max-width: 285px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.icon-button {
  position: relative;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-hot);
  border-radius: 50%;
  background: rgba(110, 231, 255, 0.08);
  cursor: pointer;
}

.icon-button:hover {
  color: var(--void);
  background: var(--cyan);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 6px 0 58px;
}

.signal-strip div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.signal-strip span,
.card-bottom,
.reader-meta p {
  color: var(--muted);
}

.signal-strip span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.signal-strip strong {
  font-size: 1.05rem;
}

.workbench {
  display: grid;
  grid-template-columns: 156px minmax(0, 1fr);
  gap: 24px;
  padding: 0 0 96px;
}

.filter-rail {
  position: sticky;
  top: 92px;
  align-self: start;
  display: grid;
  gap: 8px;
}

.filter {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
}

.filter.active,
.filter:hover {
  color: var(--void);
  background: var(--cyan);
  border-color: transparent;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.article-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.article-card:hover,
.article-card:focus-visible,
.article-card.selected {
  transform: translateY(-5px);
  border-color: var(--line-hot);
  outline: none;
}

.article-card.selected {
  background:
    linear-gradient(180deg, rgba(110, 231, 255, 0.14), transparent 38%),
    var(--panel-strong);
}

.article-card h2 {
  margin: 14px 0 12px;
  font-size: 1.58rem;
  line-height: 1.08;
  text-wrap: balance;
}

.article-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.52;
}

.card-top,
.card-bottom,
.reader-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.chip {
  padding: 6px 9px;
  color: var(--soft);
  background: rgba(110, 231, 255, 0.09);
  border: 1px solid rgba(110, 231, 255, 0.18);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
}

.mood {
  color: var(--pink);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reader {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 760px);
  gap: 64px;
  padding: 86px 0 120px;
  border-top: 1px solid var(--line);
}

.reader-meta {
  position: sticky;
  top: 112px;
  align-self: start;
  padding: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.reader h2 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4vw, 4.3rem);
  line-height: 0.98;
  text-wrap: balance;
}

.reader-meta p {
  line-height: 1.55;
}

.article-body {
  color: #eaf2ff;
  font-size: clamp(1.12rem, 1.8vw, 1.34rem);
  line-height: 1.82;
}

.article-body p {
  margin: 0 0 1.35em;
}

.article-body p:first-child::first-letter {
  color: var(--cyan);
  initial-letter: 2;
  margin-right: 0.12em;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  gap: 44px;
  min-height: calc(100vh - 96px);
  align-items: start;
  padding: 72px 0;
}

.admin-intro {
  position: sticky;
  top: 112px;
}

.admin-intro h1 {
  font-size: clamp(3.2rem, 7vw, 6.8rem);
}

.admin-intro p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.6;
}

.composer {
  display: grid;
  gap: 18px;
  padding: 24px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--soft);
  font-size: 0.86rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: rgba(5, 8, 16, 0.72);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--line-hot);
  outline: none;
  box-shadow: 0 0 0 4px rgba(110, 231, 255, 0.08);
}

input,
select {
  min-height: 46px;
  padding: 0 13px;
}

textarea {
  min-height: 300px;
  padding: 13px;
  line-height: 1.55;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.primary-action {
  font-weight: 900;
}

.form-status {
  min-height: 1.4em;
  margin: 0;
  color: var(--cyan);
  font-weight: 800;
}

@keyframes title-sheen {
  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 900px) {
  .masthead,
  .hero,
  .workbench,
  .reader,
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .masthead {
    align-items: flex-start;
  }

  .nav-actions,
  .filter-rail {
    scrollbar-width: none;
  }

  .nav-actions::-webkit-scrollbar,
  .filter-rail::-webkit-scrollbar {
    display: none;
  }

  .signal-panel,
  .reader-meta,
  .admin-intro,
  .filter-rail {
    position: static;
  }

  .signal-panel {
    min-height: 260px;
  }

  .signal-strip,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .workbench {
    gap: 18px;
  }

  .filter-rail {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .filter {
    padding: 0 16px;
    white-space: nowrap;
  }
}

@media (max-width: 620px) {
  .site-shell {
    width: min(100% - 22px, 1180px);
  }

  .masthead {
    position: relative;
    display: grid;
    gap: 14px;
  }

  .nav-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .nav-actions a {
    text-align: center;
    padding-inline: 8px;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .hero-copy h1,
  .admin-intro h1 {
    font-size: clamp(3.55rem, 18vw, 4.6rem);
  }

  .hero-actions {
    display: grid;
  }

  .signal-panel {
    align-items: flex-start;
    min-height: 240px;
  }

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