/* Professional workspace hierarchy: quieter chrome, clearer task focus. */
.app-page {
  background:
    radial-gradient(760px 300px at 82% -40px, rgba(192, 225, 213, .55), transparent 70%),
    #f3f6f4;
}

.app-page .workspace-nav {
  border-color: #d5dfdb;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 10px 32px rgba(24, 58, 50, .07);
}

.app-page .workspace-main-menu { gap: 3px; }
.app-page .workspace-main-menu button {
  min-height: 42px;
  padding: 0 13px;
  border-radius: 10px;
}
.app-page .workspace-main-menu button.active {
  color: #0f6e5c;
  background: #eaf4f0;
  box-shadow: inset 0 0 0 1px #d5e8e1;
}

.app-page:not(.guides-page) .ai-main { padding-top: 18px; }
.app-page:not(.guides-page) .ai-main.account-compact { padding-top: 10px; }
.app-page:not(.guides-page) .ai-main.workspace-core-active { padding-top: 6px; }
.app-page:not(.guides-page) .ai-main.workspace-core-active .usage-strip { display: none; }

.app-page .usage-strip {
  min-height: 58px;
  padding: 10px 16px;
  border-color: #d7e1dd;
  border-radius: 13px;
  background: rgba(255, 255, 255, .76);
  box-shadow: none;
}
.app-page .usage-strip > div:first-child { grid-template-columns: auto auto; align-items: baseline; column-gap: 9px; }
.app-page .usage-strip > div:first-child small { grid-column: 1 / -1; }

.app-page .composer-card,
.app-page .result-card {
  border-color: #d5dfdb;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(23, 57, 49, .055);
}
.app-page .composer-card { position: relative; overflow: hidden; }
.app-page .composer-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, #137a67, #56aa91 55%, transparent 90%);
}

.app-page .composer-head { margin-bottom: 14px; }
.app-page .composer-head h1 { margin-top: 4px; font-size: 26px; line-height: 1.25; letter-spacing: -.55px; }
.app-page .composer-head p { margin-top: 4px; max-width: 720px; color: #6b7c77; }
.app-page .model-field { min-width: 190px; }
.app-page .model-field label { color: #536a63; font-size: 10px; letter-spacing: .4px; text-transform: uppercase; }
.app-page .ai-select { height: 40px; border-color: #cfdbd6; background: #f8faf9; }

.app-page .generation-mode {
  gap: 6px;
  margin: 14px 0 10px;
  padding: 4px;
  border: 1px solid #d9e3df;
  border-radius: 13px;
  background: #f2f6f4;
}
.app-page .generation-mode span {
  min-height: 48px;
  padding: 10px 13px;
  border-color: transparent;
  border-radius: 9px;
  background: transparent;
}
.app-page .generation-mode input:checked + span {
  border-color: #d3e2dc;
  background: #fff;
  box-shadow: 0 3px 10px rgba(22, 61, 52, .07);
}
.app-page .generation-mode b { font-size: 13px; }
.app-page .generation-mode small { font-size: 11px; }

.app-page .pipeline-advanced { margin: 0 0 10px; border-color: #d8e2de; border-radius: 12px; background: #fafcfb; }
.app-page .pipeline-advanced > summary { min-height: 52px; padding: 9px 14px; }
.app-page .pipeline-advanced > summary span { gap: 0; }
.app-page .pipeline-advanced > summary b { font-size: 13px; }
.app-page .pipeline-advanced > summary small { font-size: 10px; }

.app-page .demo-scenarios {
  min-height: 44px;
  margin-bottom: 10px;
  padding: 7px 10px;
  border-color: #dce5e1;
  border-radius: 11px;
  background: #f8faf9;
}
.app-page .demo-scenarios button { padding: 6px 9px; border-radius: 7px; }

.app-page .composer-card #aiPrompt {
  min-height: 148px;
  padding: 14px 16px;
  border-color: #cbd8d3;
  border-radius: 12px;
  background: #fff;
  font-size: 14px;
  line-height: 1.7;
}
.app-page .composer-card #aiPrompt::placeholder { color: #929f9b; }
.app-page .ai-toolbar { margin-top: 11px; }
.app-page .btn.generate { min-width: 196px; height: 42px; border-radius: 10px; box-shadow: 0 7px 16px rgba(20, 58, 49, .16); }
.app-page .ai-status { min-height: 20px; margin-top: 9px; padding-top: 8px; font-size: 11px; }

.app-page .result-card { min-height: 0; }
.app-page .ai-out-head { margin-bottom: 12px; }
.app-page .ai-out-head h2 { font-size: 22px; }
.app-page .ai-summary { min-height: 42px; margin: 12px 0 10px; padding: 9px 13px; }
.app-page .workspace-empty { min-height: 210px; padding: 26px; border-radius: 13px; background: #f8faf9; }
.app-page .workspace-empty > span { width: 42px; height: 42px; border-radius: 12px; font-size: 21px; }

@media (max-width: 760px) {
  .app-page .workspace-main-menu button { min-height: 38px; padding: 0 10px; }
  .app-page:not(.guides-page) .ai-main { padding-top: 12px; }
  .app-page:not(.guides-page) .ai-main.account-compact { padding-top: 7px; }
  .app-page:not(.guides-page) .ai-main.workspace-core-active { padding-top: 4px; }
  .app-page .composer-head h1 { font-size: 22px; }
  .app-page .generation-mode { grid-template-columns: 1fr; }
  .app-page .generation-mode span { min-height: 44px; }
  .app-page .demo-scenarios small { display: none; }
  .app-page .composer-card #aiPrompt { min-height: 138px; }
}

@media (max-width: 520px) {
  .app-page .composer-card,
  .app-page .result-card { border-radius: 15px; }
  .app-page .usage-strip { padding: 9px 10px; }
  .app-page .usage-strip > div:first-child { display: flex; }
  .app-page .demo-scenarios { gap: 5px; }
  .app-page .demo-scenarios button { flex: 1; padding-inline: 5px; }
}