:root {
  --bg-0: #02050b;
  --bg-1: #07101d;
  --bg-2: #091827;
  --panel: rgba(8, 16, 28, 0.82);
  --panel-strong: rgba(10, 20, 36, 0.96);
  --panel-soft: rgba(255, 255, 255, 0.03);
  --border: rgba(120, 170, 255, 0.16);
  --border-strong: rgba(80, 150, 255, 0.28);
  --text: #eaf2ff;
  --muted: #9ab0d4;
  --subtle: #6d82a5;
  --accent: #4aa3ff;
  --accent-2: #6ed7ff;
  --accent-3: #2f66ff;
  --success: #33d17a;
  --warning: #ffbd2f;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --line: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
  --glow: 0 0 0 1px rgba(74, 163, 255, 0.2), 0 0 40px rgba(74, 163, 255, 0.08);
  font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 8%, rgba(74, 163, 255, 0.18), transparent 22%),
    radial-gradient(circle at 82% 12%, rgba(110, 215, 255, 0.14), transparent 18%),
    radial-gradient(circle at 78% 86%, rgba(47, 102, 255, 0.11), transparent 26%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 44%, #050a11 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 92%);
  opacity: 0.25;
}

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

.profile-link {
  color: var(--text);
  text-decoration: none;
  transition: color 160ms ease, opacity 160ms ease;
}

.profile-link:hover {
  color: var(--accent-2);
}

button,
input,
textarea {
  font: inherit;
}

.app {
  position: relative;
  z-index: 1;
  width: min(1540px, calc(100vw - 32px));
  margin: 16px auto 24px;
  display: grid;
  gap: 18px;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  border-radius: calc(var(--radius-xl) + 6px);
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(8, 14, 26, 0.96), rgba(9, 21, 35, 0.94)),
    radial-gradient(circle at 84% 30%, rgba(74, 163, 255, 0.24), transparent 18%);
  box-shadow: var(--shadow), var(--glow);
  backdrop-filter: blur(22px);
}

.topbar--minimal {
  grid-template-columns: 1fr;
  justify-items: start;
  gap: 0;
  padding: 16px 20px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 250px;
}

.brand__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: clamp(1.5rem, 2vw, 2.15rem);
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.brand__mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(160, 205, 255, 0.4);
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.12), transparent 44%),
    linear-gradient(180deg, rgba(74, 163, 255, 0.22), rgba(255, 255, 255, 0.04));
  box-shadow: 0 0 24px rgba(74, 163, 255, 0.18);
  position: relative;
}

.brand__mark::before,
.brand__mark::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 22px;
  height: 1px;
  background: rgba(200, 228, 255, 0.75);
  transform: translate(-50%, -50%);
}

.brand__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.brand__tagline {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.topnav__link {
  position: relative;
  padding: 11px 16px;
  border-radius: 999px;
  color: var(--muted);
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  text-transform: uppercase;
  transition: 180ms ease;
}

.topnav__link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.topnav__link.is-active {
  color: #dff0ff;
  background:
    linear-gradient(180deg, rgba(74, 163, 255, 0.22), rgba(74, 163, 255, 0.12)),
    rgba(255, 255, 255, 0.02);
  box-shadow: inset 0 0 0 1px rgba(116, 190, 255, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.topnav__link.is-active::after {
  content: "";
  position: absolute;
  inset: auto 18px -8px 18px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(110, 215, 255, 0.95), transparent);
  filter: blur(1px);
}

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

.icon-btn,
.ghost-btn,
.primary-btn,
.chip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  cursor: pointer;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.icon-btn:hover,
.ghost-btn:hover,
.primary-btn:hover,
.chip-btn:hover {
  transform: translateY(-1px);
}

.icon-btn svg,
.cta__icon,
.action__icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.primary-btn {
  padding: 14px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(76, 164, 255, 1), rgba(43, 108, 255, 1));
  color: #eff7ff;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: 0 18px 28px rgba(43, 108, 255, 0.18);
}

.primary-btn:hover {
  box-shadow: 0 20px 32px rgba(43, 108, 255, 0.26);
}

.page {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 350px;
  gap: 18px;
  align-items: start;
}

.panel {
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(10, 19, 33, 0.94), rgba(7, 14, 24, 0.92)),
    rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.sidebar,
.content,
.aside {
  min-width: 0;
}

.sidebar {
  padding: 18px;
}

.sidebar__hero {
  padding: 16px 16px 18px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(74, 163, 255, 0.14), transparent 28%),
    rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-bottom: 16px;
}

.sidebar__hero h2,
.aside__title,
.section__title,
.feed__title,
.admin__title {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.sidebar__hero h2 {
  font-size: 1.55rem;
}

.sidebar__hero p,
.section__copy,
.empty__copy,
.admin__copy,
.feed__copy,
.sidebar__foot,
.admin__muted {
  color: var(--muted);
  line-height: 1.65;
}

.sidebar__foot {
  margin: 18px 0 0;
  font-size: 0.92rem;
}

.sidebar__nav {
  display: grid;
  gap: 8px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 14px;
  border-radius: 16px;
  color: var(--muted);
  border: 1px solid transparent;
}

.sidebar__link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.sidebar__link.is-active {
  color: #e7f4ff;
  background: linear-gradient(180deg, rgba(74, 163, 255, 0.2), rgba(74, 163, 255, 0.08));
  border-color: rgba(84, 167, 255, 0.22);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04), 0 0 24px rgba(74, 163, 255, 0.06);
}

.sidebar__icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  opacity: 0.92;
}

.content {
  display: grid;
  gap: 18px;
}

.composer,
.feed,
.data-grid,
.admin__grid {
  padding: 18px;
}

.composer {
  position: relative;
  overflow: hidden;
}

.composer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(74, 163, 255, 0.16), transparent 18%),
    radial-gradient(circle at 88% 12%, rgba(110, 215, 255, 0.1), transparent 16%);
  pointer-events: none;
}

.composer__inner {
  position: relative;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
}

.avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid rgba(154, 205, 255, 0.2);
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.18), transparent 24%),
    linear-gradient(180deg, rgba(74, 163, 255, 0.18), rgba(255, 255, 255, 0.04));
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
}

.composer__field {
  min-height: 80px;
  padding: 18px 18px;
  border-radius: 20px;
  border: 1px solid rgba(126, 177, 255, 0.14);
  background: rgba(4, 10, 18, 0.42);
  color: var(--muted);
  display: flex;
  align-items: center;
}

.composer__field strong {
  color: var(--text);
  font-weight: 700;
}

.composer__cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.composer__tools {
  position: relative;
  z-index: 1;
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-btn {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.chip-btn:hover {
  color: var(--text);
  border-color: rgba(74, 163, 255, 0.26);
}

.feed__header,
.aside__header,
.admin__header,
.section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.feed__title,
.aside__title,
.admin__title,
.section__title {
  font-size: 0.96rem;
}

.section__eyebrow,
.admin__eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
}

.feed__sort,
.section__link,
.aside__link {
  color: var(--accent-2);
  font-size: 0.95rem;
}

.feed__notice {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(74, 163, 255, 0.14);
  background: rgba(74, 163, 255, 0.06);
  color: var(--muted);
  line-height: 1.55;
}

.empty-state {
  position: relative;
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(125, 181, 255, 0.18);
  background:
    radial-gradient(circle at top, rgba(74, 163, 255, 0.12), transparent 24%),
    rgba(255, 255, 255, 0.02);
  display: grid;
  place-items: center;
  text-align: center;
  min-height: 280px;
}

.empty-state--compact {
  min-height: 190px;
}

.empty-state__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(74, 163, 255, 0.12);
  color: #d2ebff;
  border: 1px solid rgba(108, 177, 255, 0.18);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.7rem;
}

.empty-state h3 {
  margin: 16px 0 10px;
  font-size: clamp(1.4rem, 2vw, 2.1rem);
  letter-spacing: 0.04em;
}

.empty-state p {
  margin: 0;
  max-width: 48ch;
  color: var(--muted);
  line-height: 1.7;
}

.structure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.structure-card {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.025);
}

.structure-card h4 {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
}

.structure-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.meta-list {
  display: grid;
  gap: 12px;
}

.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.meta-row small {
  color: var(--subtle);
  display: block;
  margin-top: 2px;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 82px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #dcefff;
  background: rgba(74, 163, 255, 0.12);
  border: 1px solid rgba(74, 163, 255, 0.16);
}

.aside {
  display: grid;
  gap: 18px;
}

.aside__section {
  padding: 18px;
}

.empty-stack {
  display: grid;
  gap: 12px;
}

.empty-row {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.024);
  color: var(--muted);
  line-height: 1.55;
}

.reaction-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.reaction-summary__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 0.88rem;
}

.reaction-summary__item--like {
  color: #d7e9ff;
}

.reaction-summary__item--heart {
  color: #ff8fb2;
  border-color: rgba(255, 143, 178, 0.18);
  background: rgba(255, 143, 178, 0.08);
}

.reaction-summary__item--support {
  color: #b8f0ff;
}

.reaction-summary__item--total {
  margin-left: auto;
  color: var(--accent-2);
}

.footerbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--subtle);
  padding: 6px 8px 0;
  font-size: 0.92rem;
}

.footerbar a {
  color: var(--muted);
}

.footerbar__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-shell {
  display: grid;
  gap: 18px;
}

.admin-hero {
  padding: 22px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 15% 15%, rgba(74, 163, 255, 0.18), transparent 22%),
    linear-gradient(135deg, rgba(10, 19, 33, 0.96), rgba(6, 13, 23, 0.94));
  box-shadow: var(--shadow);
}

.admin-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.6fr);
  gap: 18px;
  align-items: center;
}

.admin-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.ghost-btn {
  padding: 13px 16px;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

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

.admin-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(10, 18, 30, 0.94), rgba(7, 12, 22, 0.92)),
    rgba(255, 255, 255, 0.02);
}

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

.admin-card__header h3 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.admin-card__header p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.admin-list {
  display: grid;
  gap: 12px;
}

.admin-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.025);
}

.admin-item__label {
  display: grid;
  gap: 4px;
}

.admin-item__label strong {
  font-weight: 700;
}

.admin-item__label span {
  color: var(--muted);
  font-size: 0.94rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
}

.admin-table th,
.admin-table td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.admin-table th {
  color: #dcefff;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
}

.admin-table tr:last-child td {
  border-bottom: 0;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px rgba(51, 209, 122, 0.36);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #d5ebff;
  background: rgba(74, 163, 255, 0.12);
  border: 1px solid rgba(74, 163, 255, 0.18);
  font-size: 0.88rem;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline__item {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.025);
}

.timeline__item strong {
  display: block;
  margin-bottom: 4px;
}

.timeline__item span {
  color: var(--muted);
}

@media (max-width: 1360px) {
  .page {
    grid-template-columns: 250px minmax(0, 1fr);
  }

  .aside {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1080px) {
  .topbar {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .topnav {
    justify-content: flex-start;
    overflow-x: auto;
    width: 100%;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .topbar__actions {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

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

  .sidebar {
    order: 1;
  }

  .content {
    order: 0;
  }

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

  .admin-hero__grid,
  .admin-matrix,
  .structure-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app {
    width: min(100vw - 16px, 1540px);
    margin: 8px auto 18px;
    gap: 14px;
  }

  .topbar,
  .sidebar,
  .composer,
  .feed,
  .aside__section,
  .admin-hero,
  .admin-card {
    border-radius: 20px;
  }

  .brand {
    min-width: 0;
  }

  .brand__title {
    font-size: 1.25rem;
    letter-spacing: 0.18em;
  }

  .brand__tagline {
    letter-spacing: 0.18em;
    font-size: 0.68rem;
  }

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

  .composer__cta {
    justify-content: flex-start;
  }

  .empty-state {
    min-height: 240px;
    padding: 24px 18px;
  }

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