/* AOIDEA 浅色主题（创作/工作台页面用）
 * 重定义 :root 变量为浅色，所有用 var() 的地方（含 inline style）统一变浅
 */

:root {
  --bg: #fafafa;
  --bg2: #ffffff;
  --card: #ffffff;
  --card-hover: #f5f5f7;
  --border: #e5e7eb;
  --text: #1c1c20;
  --text-dim: #5a5a66;
  --text-light: #9b9ba6;
  --brand: #7c3aed;
  --danger: #e5484d;
  --success: #30a46c;
  --warn: #f5a623;
}
body { background: #fafafa; }

/* 侧边栏 - 浅色（年轻化设计：大圆角、软边框） */
.app-sidebar { background: #ffffff; border-right-color: #f0f0f2; padding: 20px 14px; }
.app-sidebar .sb-logo { color: #1c1c20; border-bottom-color: #f0f0f2; padding: 8px 14px 22px; font-size: 18px; }
.sb-nav a { color: #5a5a66; border-radius: 12px; padding: 10px 14px; font-size: 13.5px; }
.sb-nav a:hover { background: #f5f5f7; color: #1c1c20; }
.sb-nav a.active { background: rgba(124,58,237,.08); color: #7c3aed; font-weight: 500; }
.sb-nav a.active svg { color: #7c3aed; }
.sb-nav .sb-label { color: #b8b8c2; font-size: 11px; padding: 16px 14px 6px; font-weight: 600; letter-spacing: 1.2px; }
.sb-bottom { border-top-color: #f0f0f2; padding-top: 14px; }
.sb-user .uname { color: #1c1c20; font-size: 13.5px; }
.sb-user .urole { color: #b8b8c2; font-size: 11px; }
.sb-user .avatar { background: linear-gradient(135deg, #7c3aed, #2563eb); }

/* 对话 Agent 页面 - 白底深字 */
.agent-layout { background: #fafafa; }
.agent-top { background: #ffffff; border-bottom-color: #e5e7eb; }
.agent-tab { color: #5a5a66; }
.agent-tab.active { color: #1c1c20; border-bottom-color: #7c3aed; }
.agent-scroll { background: #fafafa; }
.msg-user .bubble { background: linear-gradient(135deg, #7c3aed, #2563eb); color: #fff; }
.msg-ai .bubble { background: #ffffff; color: #1c1c20; border-color: #e5e7eb; }
.agent-bottom { background: #ffffff; border-top-color: #e5e7eb; }
.welcome h2 { color: #1c1c20; }
.welcome p { color: #9b9ba6; }
.tb-btn { background: #fff; color: #5a5a66; border-color: #e5e7eb; }
.tb-btn:hover { color: #1c1c20; border-color: #7c3aed; }
.dropdown { background: #fff; border-color: #e5e7eb; box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.dropdown .opt { color: #5a5a66; }
.dropdown .opt:hover { background: #f5f5f7; color: #1c1c20; }
.dropdown .opt.active { background: rgba(124,58,237,.1); color: #7c3aed; }
.input-row textarea { background: #fff; color: #1c1c20; border-color: #e5e7eb; }
.input-row textarea:focus { border-color: #7c3aed; }
.gen-img { border-color: #e5e7eb; }

/* 创作/工作台 内容区 - 白底 */
.work-result { background: #fafafa; }
.work-result h1 { color: #1c1c20; }
.work-result h2 { color: #1c1c20; }

/* Tab */
.result-tab { color: #5a5a66; }
.result-tab.active { color: #7c3aed; border-bottom-color: #7c3aed; }

/* 卡片 */
.case-card { background: #fff; border-color: #e5e7eb; }
.case-card:hover { border-color: #7c3aed; box-shadow: 0 8px 20px rgba(0,0,0,.06); }
.case-main { background: #f5f5f7; }
.case-actions button, .case-actions a { background: #f5f5f7; border-color: #e5e7eb; color: #5a5a66; }
.case-actions button:hover, .case-actions a:hover { color: #1c1c20; }

/* 空状态 */
.result-empty { color: #9b9ba6; }

/* 表单 */
.form-control { background: #fff; color: #1c1c20; border-color: #e5e7eb; }
.form-control:focus { border-color: #7c3aed; }

/* 按钮 */
.btn { background: #f5f5f7; color: #1c1c20; border-color: #e5e7eb; }
.btn-primary { background: linear-gradient(135deg, #7c3aed, #2563eb); color: #fff; border: none; box-shadow: 0 4px 14px rgba(124,58,237,.2); }
.btn-ghost { background: #fff; }
.btn-ghost:hover { border-color: #7c3aed; color: #7c3aed; }

/* 进度条 */
.progress-bar { background: #e5e7eb; }

/* 加载 */
.loading-spinner { border-color: #e5e7eb; border-top-color: #7c3aed; }
.progress-text { color: #5a5a66; }

/* Toast */
.toast { background: #fff; border-color: #7c3aed; color: #1c1c20; box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.toast.err { border-color: #e5484d; }

/* Modal */
.modal { background: #fff; }
.field input, .field textarea, .field select { background: #fff; color: #1c1c20; border-color: #e5e7eb; }

/* 创作/工作台页面的工作区布局 */
.work-layout { margin-left: 220px; min-height: 100vh; display: grid; grid-template-columns: 1fr; }

/* 对话 Agent 页 */
.agent-layout { margin-left: 220px; height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.agent-top { border-bottom: 1px solid var(--border); padding: 0 20px; display: flex; gap: 4px; background: var(--bg2); }
.agent-tab { padding: 14px 20px; font-size: 14px; color: var(--text-dim); cursor: pointer; border-bottom: 2px solid transparent; }
.agent-tab.active { color: var(--text); border-bottom-color: var(--brand); }
.agent-scroll { flex: 1; overflow-y: auto; padding: 32px 20px; background: var(--bg); }
.agent-inner { max-width: 820px; margin: 0 auto; }
.msg { margin-bottom: 20px; }
.msg-user { display: flex; justify-content: flex-end; }
.msg-ai { display: flex; justify-content: flex-start; }
.bubble { max-width: 80%; padding: 14px 18px; border-radius: 16px; font-size: 15px; line-height: 1.7; white-space: pre-wrap; }
.msg-user .bubble { background: var(--grad); color: #fff; border-bottom-right-radius: 4px; }
.msg-ai .bubble { background: var(--bg2); border: 1px solid var(--border); color: var(--text); border-bottom-left-radius: 4px; }
.agent-bottom { border-top: 1px solid var(--border); padding: 14px 20px; background: var(--bg2); }
.agent-input-wrap { max-width: 820px; margin: 0 auto; }
.toolbar { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.toolbar .tb { position: relative; }
.tb-btn { padding: 7px 14px; border-radius: 8px; font-size: 13px; background: var(--bg); border: 1px solid var(--border); color: var(--text-dim); cursor: pointer; }
.tb-btn:hover { color: var(--text); border-color: var(--brand); }
.dropdown { position: absolute; bottom: 40px; left: 0; min-width: 200px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 8px; display: none; z-index: 50; max-height: 300px; overflow-y: auto; box-shadow: 0 4px 20px rgba(0,0,0,.1); }
.dropdown.show { display: block; }
.dropdown .opt { padding: 9px 12px; border-radius: 6px; font-size: 13px; cursor: pointer; color: var(--text-dim); }
.dropdown .opt:hover { background: var(--card-hover); color: var(--text); }
.dropdown .opt.active { background: rgba(124,58,237,.1); color: var(--brand); }
.input-row { position: relative; }
.input-row textarea { width: 100%; padding: 14px 48px 14px 16px; border-radius: 12px; background: #fff; border: 1px solid var(--border); color: var(--text); font-size: 15px; resize: none; outline: none; font-family: inherit; line-height: 1.6; }
.input-row textarea:focus { border-color: var(--brand); }
.send-btn { position: absolute; right: 8px; bottom: 8px; width: 36px; height: 36px; border-radius: 10px; background: var(--grad); border: none; color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.send-btn:disabled { opacity: .5; }
.welcome { text-align: center; padding: 8vh 0 4vh; color: var(--text-dim); }
.welcome h2 { font-size: 26px; color: var(--text); margin-bottom: 10px; }
.welcome p { font-size: 15px; color: var(--text-light); }
.gen-img { max-width: 100%; border-radius: 12px; margin-top: 8px; border: 1px solid var(--border); }
.gen-video { max-width: 100%; border-radius: 12px; margin-top: 8px; background: #000; }

/* 历史记录 / 工作台 / 我的项目 / 我的后台 - 内容区 */
.work-result { padding: 32px 24px; background: var(--bg); min-height: 100vh; }
.work-result h1 { font-size: 28px; font-weight: 700; color: var(--text); }
.work-result h2 { font-size: 18px; font-weight: 700; color: var(--text); }

/* Tab 样式（统一） */
.result-tabs { display: flex; gap: 8px; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.result-tab { padding: 8px 16px; font-size: 14px; color: var(--text-dim); cursor: pointer; border-bottom: 2px solid transparent; transition: all .2s; }
.result-tab.active { color: var(--brand); border-bottom-color: var(--brand); }

/* 卡片 */
.case-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: all .25s; }
.case-card:hover { transform: translateY(-3px); border-color: var(--brand); box-shadow: 0 8px 20px rgba(0,0,0,.06); }
.case-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.case-main { aspect-ratio: 1/1; background: var(--card-hover); }
.case-main img, .case-main video { width: 100%; height: 100%; object-fit: cover; display: block; }
.case-actions { display: flex; gap: 6px; padding: 8px; }
.case-actions button, .case-actions a { flex: 1; padding: 5px; font-size: 11px; border-radius: 6px; background: var(--card-hover); border: 1px solid var(--border); color: var(--text-dim); cursor: pointer; text-align: center; }
.case-actions button:hover, .case-actions a:hover { color: var(--text); }

/* 通用空状态 */
.result-empty { text-align: center; padding: 60px 20px; color: var(--text-light); }
.result-empty svg { width: 56px; height: 56px; margin: 0 auto 16px; opacity: .4; }

/* 通用表单（浅色） */
.form-control { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; outline: none; background: #fff; color: var(--text); font-family: inherit; }
.form-control:focus { border-color: var(--brand); }
.hidden { display: none !important; }
.text-center { text-align: center; }

/* 按钮（浅色） */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 22px; border: none; border-radius: 8px; font-size: 14px; font-weight: 500; cursor: pointer; transition: all .25s; font-family: inherit; background: var(--card-hover); color: var(--text); border: 1px solid var(--border); }
.btn-primary { background: var(--grad); color: #fff; border: none; box-shadow: 0 4px 14px rgba(124,58,237,.2); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(124,58,237,.35); }
.btn-ghost { background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 15px; border-radius: 10px; }

/* 进度条 */
.progress-bar { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--grad); border-radius: 3px; }

/* 加载/旋转 */
.loading-spinner { width: 44px; height: 44px; border: 4px solid var(--border); border-top-color: var(--brand); border-radius: 50%; animation: spin .8s linear infinite; margin: 0 auto 16px; }
@keyframes spin { to { transform: rotate(360deg); } }
.progress-text { color: var(--text-dim); font-size: 15px; text-align: center; }

/* Toast */
.toast { position: fixed; top: 100px; right: 24px; padding: 12px 22px; border-radius: 10px; background: #fff; border: 1px solid var(--brand); color: var(--text); z-index: 200; transform: translateX(120%); transition: .3s; box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.toast.show { transform: translateX(0); }
.toast.err { border-color: var(--danger); }

/* Modal */
.modal-mask { position: fixed; inset: 0; background: rgba(28,28,32,.6); display: none; align-items: center; justify-content: center; z-index: 100; }
.modal { background: #fff; padding: 28px; border-radius: 16px; width: 560px; max-height: 85vh; overflow: auto; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.field input, .field textarea, .field select { width: 100%; padding: 9px 12px; background: #fff; border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 14px; font-family: inherit; }

/* 响应式 */
@media (max-width: 900px) {
  .agent-layout, .work-layout { margin-left: 64px; }
}