/* ==================================================================
   Lobster AI Hub - 主样式
   ================================================================== */

/* ---------- 页面级别覆盖（深色主题页面） ---------- */
body.is-ls-ai {
    background: linear-gradient(135deg, #0f172a, #1e1b4b) !important;
    color: #f1f5f9 !important;
    min-height: 100vh;
}

body.is-ls-ai main {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    min-height: 100vh;
    background: transparent !important;
}

body.is-ls-ai .bg-gray-50,
body.is-ls-ai .bg-white {
    background: transparent !important;
}

/* ---------- 基础变量 ---------- */
.ls-ai-hub {
  --ai-primary: #7c3aed;
  --ai-primary-light: #8b5cf6;
  --ai-primary-dark: #6d28d9;
  --ai-bg-start: #0f172a;
  --ai-bg-end: #1e1b4b;
  --ai-card: rgba(255,255,255,0.06);
  --ai-card-border: rgba(255,255,255,0.08);
  --ai-card-hover: rgba(255,255,255,0.10);
  --ai-text: #f1f5f9;
  --ai-text-secondary: #94a3b8;
  --ai-text-muted: #64748b;
  --ai-gradient: linear-gradient(135deg, #7c3aed, #4f46e5);
  --ai-radius: 16px;
  --ai-radius-lg: 24px;
}

/* ---------- 主体背景 ---------- */
.ls-ai-hub {
  background: linear-gradient(135deg, var(--ai-bg-start), var(--ai-bg-end));
  min-height: 100vh;
  color: var(--ai-text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ---------- 头部 ---------- */
.ls-ai-header {
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.ls-ai-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.ls-ai-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ls-ai-logo-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: var(--ai-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 8px 24px rgba(124,58,237,0.3);
}

.ls-ai-logo-text h1 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  background: linear-gradient(135deg, #fff, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ls-ai-logo-text p {
  font-size: 12px;
  color: var(--ai-text-muted);
  margin: 2px 0 0;
}

.ls-ai-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  font-size: 13px;
  color: var(--ai-text-secondary);
}

.ls-ai-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 12px rgba(34,197,94,0.4);
}

/* ---------- 主网格 ---------- */
.ls-ai-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 80px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .ls-ai-grid {
    grid-template-columns: 1fr;
    padding: 16px 12px 80px;
  }
}

/* ---------- 侧边栏 ---------- */
.ls-ai-sidebar {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ls-ai-tab-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  border: none;
  background: transparent;
  color: var(--ai-text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  width: 100%;
}

.ls-ai-tab-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--ai-text);
}

.ls-ai-tab-btn.active {
  background: rgba(124,58,237,0.15);
  color: #a78bfa;
  box-shadow: inset 3px 0 0 var(--ai-primary);
}

.ls-ai-tab-btn .tab-icon {
  font-size: 18px;
  width: 28px;
  text-align: center;
}

/* ---------- 主内容区 ---------- */
.ls-ai-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ls-ai-panel {
  display: none;
  flex-direction: column;
  gap: 20px;
}

.ls-ai-panel.active {
  display: flex;
}

/* ---------- 卡片 ---------- */
.ls-ai-card {
  background: var(--ai-card);
  border: 1px solid var(--ai-card-border);
  border-radius: var(--ai-radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: border-color 0.2s;
}

.ls-ai-card:hover {
  border-color: rgba(255,255,255,0.12);
}

.ls-ai-card-header {
  padding: 18px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ls-ai-card-header h2 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
}

.ls-ai-card-header .badge {
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(34,197,94,0.15);
  color: #4ade80;
  font-weight: 600;
}

.ls-ai-card-body {
  padding: 24px;
}

/* ---------- 聊天/输出窗口 ---------- */
.ls-ai-window {
  min-height: 400px;
  max-height: 500px;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(0,0,0,0.15);
  border-radius: 12px;
}

.ls-ai-window::-webkit-scrollbar {
  width: 4px;
}
.ls-ai-window::-webkit-scrollbar-track {
  background: transparent;
}
.ls-ai-window::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
}

.ls-ai-msg {
  max-width: 85%;
  padding: 12px 18px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  animation: msgIn 0.25s ease-out;
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.ls-ai-msg.user {
  align-self: flex-end;
  background: var(--ai-gradient);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.ls-ai-msg.ai {
  align-self: flex-start;
  background: rgba(255,255,255,0.08);
  color: var(--ai-text);
  border: 1px solid rgba(255,255,255,0.06);
  border-bottom-left-radius: 4px;
}

.ls-ai-msg.ai code {
  background: rgba(0,0,0,0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.ls-ai-msg.ai pre {
  background: rgba(0,0,0,0.4);
  padding: 12px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
  margin: 8px 0;
}

.ls-ai-msg.loading {
  align-self: flex-start;
  background: rgba(255,255,255,0.04);
  color: var(--ai-text-muted);
  border: 1px solid rgba(255,255,255,0.04);
}

/* ---------- 输入区域 ---------- */
.ls-ai-input-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.ls-ai-input-row textarea,
.ls-ai-input-row input[type="text"],
.ls-ai-input-row select {
  flex: 1;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  color: var(--ai-text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}

.ls-ai-input-row textarea:focus,
.ls-ai-input-row input:focus,
.ls-ai-input-row select:focus {
  border-color: var(--ai-primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

.ls-ai-input-row select option {
  background: #1e1b4b;
  color: var(--ai-text);
}

.ls-ai-btn {
  padding: 12px 24px;
  border-radius: 12px;
  border: none;
  background: var(--ai-gradient);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ls-ai-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(124,58,237,0.3);
}

.ls-ai-btn:active {
  transform: translateY(0);
}

.ls-ai-btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
}

.ls-ai-btn-outline:hover {
  background: rgba(255,255,255,0.06);
  box-shadow: none;
}

.ls-ai-btn-sm {
  padding: 8px 14px;
  font-size: 12px;
  border-radius: 8px;
}

/* ---------- 选项行（代码模式切换） ---------- */
.ls-ai-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.ls-ai-opt-btn {
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--ai-text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.ls-ai-opt-btn:hover {
  border-color: rgba(124,58,237,0.3);
  color: var(--ai-text);
}

.ls-ai-opt-btn.active {
  background: rgba(124,58,237,0.2);
  border-color: var(--ai-primary);
  color: #a78bfa;
}

/* ---------- 快速提示按钮 ---------- */
.ls-ai-prompts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
}

.ls-ai-prompt-btn {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--ai-text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  font-weight: 500;
}

.ls-ai-prompt-btn:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(124,58,237,0.3);
  color: var(--ai-text);
}

/* ---------- 底部免责 ---------- */
.ls-ai-footer {
  text-align: center;
  padding: 8px 24px;
  font-size: 11px;
  color: var(--ai-text-muted);
}

/* ---------- 打字动画 ---------- */
.typing-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%   { content: ''; }
  25%  { content: '.'; }
  50%  { content: '..'; }
  75%  { content: '...'; }
  100% { content: ''; }
}