.forum-app {
  max-width: 1760px;
  margin: 0 auto;
  padding: 18px;
  color: #e9edf5;
  background: radial-gradient(circle at top right, rgba(71, 115, 255, 0.22), transparent 42%), #0a0f18;
  min-height: 100vh;
  font-family: Inter, "Segoe UI", sans-serif;
}

.forum-topbar,
.forum-controls,
.forum-panel,
.forum-tab,
.forum-btn,
.forum-thread-list > li,
.forum-list > li {
  border: 1px solid rgba(139, 164, 214, 0.2);
  background: rgba(9, 18, 35, 0.92);
}

.forum-topbar {
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.forum-brand h1 {
  margin: 0;
  font-size: 20px;
  color: #f5f7ff;
}

.forum-brand p {
  margin: 2px 0 0;
  color: #9eb3d8;
  font-size: 12px;
}

.forum-topbar-actions,
.forum-inline-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.forum-check-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #bed2f8;
}

.forum-controls {
  margin-top: 12px;
  padding: 10px;
  border-radius: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.forum-feed-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.forum-tab {
  border-radius: 9px;
  padding: 8px 12px;
  color: #a9bee8;
  cursor: pointer;
}

.forum-tab.is-active {
  border-color: rgba(95, 211, 255, 0.7);
  color: #ebf6ff;
  background: linear-gradient(135deg, rgba(32, 98, 178, 0.52), rgba(22, 53, 102, 0.75));
}

.forum-search-form {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.forum-search-form input,
.forum-search-form select,
.forum-inline-form input,
.forum-dialog input,
.forum-dialog select,
.forum-dialog textarea {
  background: #071124;
  border: 1px solid rgba(122, 153, 214, 0.28);
  border-radius: 8px;
  color: #e9efff;
  padding: 8px 10px;
}

.forum-layout {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) 420px;
  gap: 12px;
}

.forum-panel {
  border-radius: 12px;
  padding: 12px;
}

.forum-panel h2 {
  margin: 0 0 8px;
  font-size: 14px;
  color: #c9dbff;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.forum-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.forum-list,
.forum-thread-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.forum-thread-list > li,
.forum-list > li {
  border-radius: 10px;
  padding: 10px;
}

.forum-thread-title {
  margin: 0;
  font-size: 15px;
}

.forum-thread-meta {
  font-size: 12px;
  color: #8aa5d7;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.forum-thread-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.forum-btn {
  color: #dbe9ff;
  border-radius: 8px;
  padding: 7px 10px;
  cursor: pointer;
}

.forum-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.forum-btn--small {
  padding: 5px 9px;
  font-size: 12px;
}

.forum-btn--primary {
  background: linear-gradient(135deg, #2464de, #1f4a9b);
  border-color: rgba(122, 190, 255, 0.58);
}

.forum-btn--ghost {
  background: transparent;
}

.forum-message {
  margin-top: 8px;
  padding: 9px 10px;
  border-radius: 8px;
  background: rgba(54, 115, 201, 0.18);
  border: 1px solid rgba(130, 174, 243, 0.35);
  color: #d8ebff;
}

.forum-message--error {
  background: rgba(191, 46, 80, 0.24);
  border-color: rgba(255, 128, 151, 0.48);
  color: #ffdce5;
}

.forum-muted {
  color: #8ca4cc;
  font-size: 12px;
}

.forum-detail .forum-thread-detail article h3 {
  margin: 0 0 6px;
}

.forum-post {
  border-left: 2px solid rgba(97, 148, 239, 0.5);
  margin-top: 8px;
  padding-left: 8px;
}

.forum-dialog {
  width: min(860px, 96vw);
  border: 1px solid rgba(147, 169, 213, 0.3);
  border-radius: 12px;
  background: #0c1220;
  color: #e7edff;
  padding: 0;
}

.forum-dialog--wide {
  width: min(1120px, 96vw);
}

.forum-dialog-form,
#forum-composer-form {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.forum-json-output {
  margin: 0;
  max-height: 190px;
  overflow: auto;
  background: #070f1f;
  border: 1px solid rgba(130, 159, 209, 0.3);
  border-radius: 8px;
  padding: 8px;
  font-size: 12px;
}

.forum-thread-empty {
  border-style: dashed;
  text-align: center;
  color: #9ab2dd;
}

.forum-empty-actions {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.forum-trust-reasons {
  margin-top: 6px;
  display: grid;
  gap: 4px;
}

.forum-trust-reasons > li {
  list-style: none;
  padding: 5px 6px;
  border-radius: 6px;
  border: 1px solid rgba(118, 145, 197, 0.25);
  font-size: 11px;
  color: #a8c1ec;
  background: rgba(7, 13, 26, 0.72);
}

@media (max-width: 1320px) {
  .forum-layout {
    grid-template-columns: 1fr;
  }

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