:root {
  --bg: #212121;
  --surface: #2b2b2b;
  --surface-soft: #3a3a3a;
  --border: #444444;
  --text: #f5f5f5;
  --muted: #b8b8b8;
  --accent: #a970ff;
  --accent-soft: rgba(155, 107, 255, 0.2);
  --ok: #82e7a3;
  --warning: #ffd273;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #212121;
  color: var(--text);
  min-height: 100vh;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.topbar,
.tabs,
.layout,
.profile-card,
.form-card {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.topbar {
  margin-top: 1.1rem;
  margin-bottom: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.eyebrow,
.muted,
.panel label,
.panel li {
  color: var(--muted);
}

.eyebrow {
  font-size: 0.8rem;
  margin-bottom: 0.2rem;
}

.topbar-actions {
  display: flex;
  gap: 0.6rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tab {
  background: #353535;
  border-color: #4a4a4a;
}

.tab.active {
  background: var(--accent);
  color: #120727;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.layout {
  margin-bottom: 2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 250px 1fr 250px;
}

.panel,
.post,
.profile-card article,
.form-card article,
.profile-card,
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
}

.helper {
  margin-top: 0.8rem;
  color: #d0d0d0;
  font-size: 0.88rem;
  line-height: 1.3;
}

.feed {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.post {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.post-head {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

.reactions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

button,
select,
input,
textarea {
  border: 1px solid transparent;
  background: var(--surface-soft);
  color: var(--text);
  border-radius: 10px;
  padding: 0.55rem 0.8rem;
  font: inherit;
}

button {
  cursor: pointer;
  background: var(--accent);
  color: #120727;
  border-color: transparent;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border-color: #6a6a6a;
}

button:hover,
select:hover,
input:hover,
textarea:hover,
button:focus,
select:focus,
input:focus,
textarea:focus {
  border-color: var(--accent);
  outline: none;
}

.ghost {
  background: transparent;
  color: var(--text);
  border-color: #6a6a6a;
}

.ai-reaction {
  padding: 0.8rem;
  border-radius: 10px;
  background: var(--accent-soft);
}

.composer textarea {
  width: 100%;
  min-height: 120px;
  resize: vertical;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

#status,
#registerStatus {
  color: var(--ok);
  min-height: 1.4rem;
}

#status.warn,
#registerStatus.warn {
  color: var(--warning);
}

.hidden {
  display: none;
}

.profile-card,
.form-card {
  margin-bottom: 2rem;
}

.profile-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.profile-stats div {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem;
  text-align: center;
}

.profile-stats strong {
  display: block;
  color: var(--accent);
}

form {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .profile-stats {
    grid-template-columns: 1fr;
  }
}