/* 开启新会话：四类生成能力共用一个输入入口。 */
.home-wrap {
  width: 100%;
  max-width: 1080px;
  padding: var(--app-content-top-gap, 14px) 20px 40px;
  box-sizing: border-box;
}

.unified-home-composer {
  width: min(100%, 1000px) !important;
  min-width: 0 !important;
  max-width: 1000px !important;
  height: 190px !important;
  min-height: 190px !important;
  max-height: 190px !important;
  block-size: 190px !important;
  min-block-size: 190px !important;
  max-block-size: 190px !important;
  flex: 0 0 190px !important;
  flex-shrink: 0 !important;
  align-self: center;
  box-sizing: border-box !important;
  margin-bottom: 22px;
}

.unified-home-composer .home-input-box {
  width: 100% !important;
  min-width: 0 !important;
  max-width: 1000px !important;
  height: 190px !important;
  min-height: 190px !important;
  max-height: 190px !important;
  block-size: 190px !important;
  min-block-size: 190px !important;
  max-block-size: 190px !important;
  flex: 0 0 190px !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
  display: grid !important;
  grid-template-rows: 45px minmax(0, 1fr) 42px !important;
  grid-template-columns: minmax(0, 1fr) !important;
  padding: 0 20px 12px;
  border-color: #cdd7ff;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(74,124,253,.08);
  overflow: visible;
  transition: border-color .2s, box-shadow .2s !important;
}

.unified-composer-context {
  height: 45px !important;
  min-height: 45px !important;
  max-height: 45px !important;
  flex: 0 0 45px !important;
  grid-row: 1;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #edf0f6;
}

.unified-mode-hint,
.unified-course-row {
  width: 100%;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  color: #7d8493;
  font-size: 13px;
}

.unified-mode-hint i { color: #4a7cfd; }
.unified-course-row[hidden],.unified-mode-hint[hidden] { display: none; }
.unified-course-title {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #4a7cfd;
  font-size: 14px;
  font-weight: 700;
}
.unified-course-title i { font-size: 13px; }
.unified-course-row .course-context-clear { margin-left: auto; }
.unified-course-suffix { flex: 0 0 auto; color: #4a5264; font-size: 13px; font-weight: 600; white-space: nowrap; }

.unified-fixed-prompt {
  min-height: 29px;
  margin: 8px 0 0;
  padding: 5px 9px 5px 11px;
  border-radius: 8px;
  background: #f6f8ff;
  color: #4a5264;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  line-height: 1.45;
}
.unified-fixed-prompt[hidden] { display: none; }
.unified-fixed-prompt span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.unified-fixed-prompt button {
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #9aa1b0;
  cursor: pointer;
}
.unified-fixed-prompt button:hover { background: #e9edfb; color: #4a7cfd; }

.unified-home-composer .home-textarea {
  flex: 1 1 auto;
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
  padding: 12px 0 6px;
  line-height: 1.55;
  box-sizing: border-box;
  grid-row: 2;
}
.unified-home-composer .home-input-foot {
  height: 42px !important;
  min-height: 42px !important;
  max-height: 42px !important;
  flex: 0 0 42px !important;
  margin-top: 0;
  grid-row: 3;
}
.unified-mode-tools { min-width: 0; flex-wrap: nowrap; }
.unified-mode-choices { display: flex; align-items: center; gap: 8px; }
.unified-mode-choices[hidden] { display: none; }
.unified-mode-choices button,
.unified-selected-mode,
.unified-ratio {
  height: 30px;
  padding: 0 12px;
  border: 0;
  border-radius: 15px;
  background: #eef3ff;
  color: #3168f3;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.unified-mode-choices button:hover { background: #e2eaff; transform: translateY(-1px); }
.unified-selected-mode { background: #eaf0ff; }
.unified-selected-mode .fa-xmark { margin-left: 2px; font-size: 11px; color: #7592ed; }
.unified-selected-mode[hidden],.unified-ratio[hidden] { display: none; }
.unified-ratio { border: 1px solid #dfe5f3; background: #fff; color: #596275; font-weight: 500; }
.unified-home-composer #modelSelect { display: none; }
.unified-home-composer.is-selected #modelSelect { display: block; }
.unified-home-composer .home-send-btn { padding: 0; }

.unified-recommend-stage {
  width: min(100%, 1016px);
  min-width: 0;
  max-width: 1016px;
  min-height: 330px;
  margin: 0 auto;
  box-sizing: border-box;
}
.unified-recommend-stage > .home-cards,
.unified-recommend-stage > .unified-image-grid,
.unified-recommend-stage > .unified-scene-grid,
.unified-recommend-stage > .unified-quick-list {
  width: 100%;
  min-width: 0;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  box-sizing: border-box;
}
.unified-recommend-stage[data-mode="default"],
.unified-recommend-stage[data-mode="lesson"],
.unified-recommend-stage[data-mode="courseware"] { height: 330px; }
.unified-recommend-stage[data-mode="default"] > .home-cards,
.unified-recommend-stage[data-mode="lesson"] > .home-cards,
.unified-recommend-stage[data-mode="courseware"] > .home-cards { height: 100%; }
.unified-stage-title {
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.unified-stage-title h2 { margin: 0; color: #222a3a; font-size: 20px; }
.unified-stage-title p { margin: 5px 0 0; color: #9299a8; font-size: 13px; }
.unified-stage-title button {
  height: 34px; padding: 0 14px; border: 1px solid #dfe4ee; border-radius: 9px;
  background: #fff; color: #596275; cursor: pointer;
}
.unified-stage-title button:hover { border-color: #4a7cfd; color: #4a7cfd; }
.unified-quick-list {
  width: min(100%, 1000px); margin: 0 auto; padding: 8px; border: 1px solid #e5e9f1;
  border-radius: 14px; background: #fff;
}
.unified-quick-item {
  width: 100%; min-height: 46px; padding: 0 14px; border: 0; border-bottom: 1px solid #edf0f5;
  background: transparent; color: #3c4557; font: inherit; font-size: 13px; text-align: left;
  display: flex; align-items: center; gap: 10px; cursor: pointer;
}
.unified-quick-item:last-child { border-bottom: 0; }
.unified-quick-item:hover { border-radius: 8px; background: #f2f5ff; color: #315fe8; }
.unified-quick-item i { color: #4a7cfd; }
.unified-scene-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.unified-scene-card {
  min-height: 150px;
  padding: 20px;
  border: 1px solid #e5e9f1;
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
  transition: .18s ease;
}
.unified-scene-card:hover,.unified-scene-card.active { border-color: #4a7cfd; box-shadow: 0 10px 26px rgba(74,124,253,.10); transform: translateY(-2px); }
.unified-scene-icon { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; margin-bottom: 15px; background: linear-gradient(to right,#4a7cfd,#8154fc); color: #fff; font-size: 17px; }
.unified-scene-card:nth-child(2) .unified-scene-icon { background: linear-gradient(135deg,#22c978,#58d99b); }
.unified-scene-card:nth-child(3) .unified-scene-icon { background: linear-gradient(135deg,#a855f7,#cf71ff); }
.unified-scene-card:nth-child(4) .unified-scene-icon { background: linear-gradient(135deg,#ff8b32,#ffad45); }
.unified-scene-card h3 { margin: 0 0 7px; font-size: 15px; color: #202737; }
.unified-scene-card p { margin: 0; color: #8f96a5; font-size: 12px; line-height: 1.6; }
.unified-image-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.unified-image-card { overflow: hidden; border: 1px solid #e5e9f1; border-radius: 14px; background: #fff; cursor: pointer; box-shadow:0 8px 24px rgba(40,52,90,.04); transition:.2s ease; }
.unified-image-card:hover { border-color:#b9c9ff; box-shadow:0 13px 30px rgba(74,124,253,.12); transform:translateY(-3px); }
.unified-image-card img,
.unified-image-preview { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.unified-image-preview { background-size: 300% 200%; background-repeat: no-repeat; }
.unified-image-media { position:relative; overflow:hidden; padding:0 !important; background:#eef2fb; }
.unified-image-media em { position:absolute; right:10px; bottom:10px; padding:3px 7px; border-radius:6px; background:rgba(30,39,58,.72); color:#fff; font-size:11px; font-style:normal; }
.unified-image-open { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; gap:7px; background:rgba(36,45,67,.38); color:#fff; font-size:13px; opacity:0; transition:.2s; }
.unified-image-card:hover .unified-image-open { opacity:1; }
.unified-image-body { padding: 12px 14px; }
.unified-image-card h3 { margin: 0 0 5px; color: #252c3c; font-size: 14px; }
.unified-image-card p { margin: 0; color: #9299a8; font-size: 12px; }
.unified-image-card footer { margin-top:10px; padding-top:9px; border-top:1px solid #edf0f5; display:flex; align-items:center; justify-content:space-between; color:#9aa1af; font-size:11px; }
.unified-image-card footer i,.home-card-heat i { color:#ff8a24; }
.home-card { cursor:pointer; }
.home-card-heat { display:inline-flex; align-items:center; gap:5px; color:#7d8594; }

@media (max-width: 1180px) {
  .unified-mode-choices { gap: 5px; }
  .unified-mode-choices button { padding: 0 9px; }
  .unified-scene-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 1019px) {
  .unified-home-composer,
  .unified-home-composer .home-input-box {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
  }
}

@media (max-width: 1035px) {
  .unified-recommend-stage {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }
}