/* ── AI 多智能体系统样式 (agents.css) ── */

.agent-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}
.agent-page-header h1 {
  font-size: 26px;
  margin-bottom: 6px;
  color: var(--text, #1e293b);
}
.agent-page-sub {
  color: var(--text-secondary, #64748b);
  margin-bottom: 22px;
  font-size: 14px;
}

/* ── 画像状态卡 ── */
.agent-profile-card {
  margin-bottom: 22px;
}
.agent-profile-ok,
.agent-profile-warn {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 14px;
}
.agent-profile-ok {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}
.agent-profile-warn {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}
.agent-profile-badge {
  font-weight: 600;
}
.agent-profile-item b {
  font-weight: 600;
}
.agent-profile-loading {
  color: var(--text-secondary, #64748b);
  font-size: 14px;
}

/* ── Agent 卡片网格 ── */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.agent-card {
  display: block;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 14px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  transition: transform .15s ease, box-shadow .15s ease;
}
.agent-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, .12);
  border-color: var(--primary, #2563eb);
}
.agent-card-icon {
  font-size: 30px;
  margin-bottom: 10px;
}
.agent-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text, #1e293b);
}
.agent-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary, #64748b);
  margin-bottom: 12px;
}
.agent-card-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary, #2563eb);
}

/* ── 聊天通用（访谈 / 导师） ── */
.chat-shell,
.tutor-main {
  display: flex;
  flex-direction: column;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 14px;
  overflow: hidden;
}
.chat-shell {
  height: min(560px, 65vh);
}
.tutor-main {
  flex: 1;
  min-height: 520px;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-empty {
  color: var(--text-secondary, #94a3b8);
  text-align: center;
  padding: 40px 0;
  font-size: 14px;
}
.chat-bubble-row {
  display: flex;
}
.chat-row-user {
  justify-content: flex-end;
}
.chat-row-assistant {
  justify-content: flex-start;
}
.chat-bubble {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-bubble-user {
  background: var(--primary, #2563eb);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-bubble-assistant {
  background: #f1f5f9;
  color: var(--text, #1e293b);
  border-bottom-left-radius: 4px;
}
.chat-bubble-assistant pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 10px 12px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
  white-space: pre;
}
.chat-bubble-assistant :not(pre) > code {
  background: #e2e8f0;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 13px;
}
.chat-bubble-assistant table {
  border-collapse: collapse;
  margin: 8px 0;
}
.chat-bubble-assistant th,
.chat-bubble-assistant td {
  border: 1px solid #cbd5e1;
  padding: 4px 10px;
  font-size: 13px;
}
.chat-stream-cursor {
  color: var(--primary, #2563eb);
  animation: chat-blink 1s steps(1) infinite;
}
@keyframes chat-blink {
  50% { opacity: 0; }
}
.chat-input-bar {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid var(--border, #e2e8f0);
  background: var(--card-bg, #fff);
}
.chat-input-bar textarea {
  flex: 1;
  resize: none;
  min-height: 40px;
  max-height: 120px;
  padding: 10px 12px;
  border: 1px solid var(--border, #cbd5e1);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
}
.chat-input-bar textarea:focus {
  border-color: var(--primary, #2563eb);
}
.chat-input-bar .btn {
  align-self: flex-end;
}
.interview-done-card {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.interview-done-card p {
  color: #166534;
  font-size: 14px;
}

/* ── 规划师 ── */
.planner-generate-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 22px;
}
.planner-generate-card h3 {
  font-size: 16px;
  margin-bottom: 14px;
}
.planner-form {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
}
.planner-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary, #64748b);
}
.planner-form select,
.planner-form input {
  padding: 8px 10px;
  border: 1px solid var(--border, #cbd5e1);
  border-radius: 8px;
  font-size: 14px;
  min-width: 170px;
  background: #fff;
}
.planner-hint {
  margin-top: 12px;
  font-size: 13px;
}
.planner-ok { color: #15803d; }
.planner-warn { color: #b45309; }
.planner-empty {
  color: var(--text-secondary, #94a3b8);
  text-align: center;
  padding: 28px 0;
  font-size: 14px;
}
.plan-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 12px;
}
.plan-card-archived {
  opacity: .65;
}
.plan-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.plan-card-head h4 {
  font-size: 15px;
  margin: 0;
}
.status-pill {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.status-pill.active { background: #dcfce7; color: #15803d; }
.status-pill.archived { background: #e2e8f0; color: #475569; }
.plan-card-meta {
  font-size: 13px;
  color: var(--text-secondary, #64748b);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.plan-progress {
  display: inline-block;
  width: 90px;
  height: 6px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}
.plan-progress-bar {
  display: block;
  height: 100%;
  background: var(--primary, #2563eb);
}
.plan-card-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
}
.btn-sm {
  padding: 5px 12px;
  font-size: 13px;
}
.plan-detail {
  margin-top: 24px;
}
.plan-detail-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}
.plan-detail-head h3 {
  font-size: 18px;
  margin: 0;
}
.plan-detail-date {
  font-size: 12px;
  color: var(--text-secondary, #94a3b8);
}
.plan-goal {
  font-size: 14px;
  color: var(--text-secondary, #64748b);
  margin-bottom: 18px;
}
.plan-phase {
  margin-bottom: 20px;
}
.plan-phase-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary, #2563eb);
  border-left: 4px solid var(--primary, #2563eb);
  padding-left: 10px;
  margin-bottom: 12px;
}
.plan-week {
  margin-left: 14px;
  margin-bottom: 14px;
}
.plan-week-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  margin-bottom: 8px;
}
.task-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 8px;
}
.task-card.task-completed {
  background: #f0fdf4;
  border-color: #bbf7d0;
}
.task-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.task-title {
  font-size: 14px;
  font-weight: 600;
}
.task-status {
  font-size: 12px;
  white-space: nowrap;
}
.task-desc {
  font-size: 13px;
  color: var(--text-secondary, #64748b);
  margin-top: 6px;
  line-height: 1.55;
}
.task-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.task-chip {
  font-size: 12px;
  background: #f1f5f9;
  border-radius: 999px;
  padding: 3px 10px;
}
.task-chip a {
  color: var(--primary, #2563eb);
  text-decoration: none;
}
.task-toggle {
  margin-left: auto;
}

/* ── 导师布局 ── */
.tutor-layout {
  display: flex;
  gap: 16px;
  align-items: stretch;
}
.tutor-sidebar {
  width: 230px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tutor-new-chat {
  width: 100%;
}
.tutor-chat-item {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  transition: border-color .12s;
}
.tutor-chat-item:hover {
  border-color: var(--primary, #2563eb);
}
.tutor-chat-item.active {
  border-color: var(--primary, #2563eb);
  background: #eff6ff;
}
.tutor-chat-item-title {
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tutor-chat-item-preview {
  font-size: 12px;
  color: var(--text-secondary, #94a3b8);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 3px;
}
.tutor-list-empty {
  font-size: 13px;
  color: var(--text-secondary, #94a3b8);
  text-align: center;
  padding: 14px 0;
}
.tutor-context-chip {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border, #e2e8f0);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f8fafc;
}
.tutor-context-chip b {
  color: var(--primary, #2563eb);
}

/* ── 出题 ── */
.qg-form-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
}
.qg-form-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary, #64748b);
}
.qg-form-card select {
  padding: 8px 10px;
  border: 1px solid var(--border, #cbd5e1);
  border-radius: 8px;
  font-size: 14px;
  min-width: 160px;
  background: #fff;
}
.qg-form-card select[multiple] {
  min-width: 280px;
}
#qg-status {
  margin-bottom: 14px;
  font-size: 13px;
}
.q-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 14px;
}
.q-card-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--text-secondary, #64748b);
}
.q-card-text {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 12px;
  line-height: 1.6;
}
.q-card-choices {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.q-choice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
  cursor: pointer;
  transition: background .12s;
  font-size: 14px;
  line-height: 1.5;
}
.q-choice:hover {
  background: #f8fafc;
}
.q-choice.selected {
  border-color: var(--primary, #2563eb);
  background: #eff6ff;
}
.q-choice.correct {
  border-color: #22c55e;
  background: #f0fdf4;
}
.q-choice.wrong {
  border-color: #ef4444;
  background: #fef2f2;
}
.q-choice-label {
  font-weight: 700;
  color: var(--primary, #2563eb);
  flex-shrink: 0;
}
.q-choice.wrong .q-choice-label { color: #ef4444; }
.q-choice.correct .q-choice-label { color: #22c55e; }
.q-card-explanation {
  margin-top: 12px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 10px;
  padding: 12px 14px;
}
.q-explanation-body {
  font-size: 13.5px;
  line-height: 1.7;
}
.q-card-reveal {
  margin-top: 12px;
}
.qg-history h3 {
  font-size: 15px;
  margin-bottom: 10px;
}
.qg-history-item {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 8px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.qg-history-item:hover {
  border-color: var(--primary, #2563eb);
}
.qg-history-q {
  color: var(--text, #1e293b);
}
.qg-history-meta {
  color: var(--text-secondary, #94a3b8);
  white-space: nowrap;
}

/* ── 学习页 / 诊断页入口 ── */
.kp-tutor-entry {
  margin: 10px 0 14px;
  display: flex;
  gap: 8px;
}
.diag-ask-tutor {
  margin-left: auto;
  text-decoration: none;
  font-size: 15px;
  padding: 0 4px;
}
.ai-report {
  font-size: 13.5px;
  line-height: 1.7;
}
.ai-report-overall {
  font-weight: 600;
  margin-bottom: 8px;
}
.ai-report-line {
  color: var(--text-secondary, #64748b);
  margin-bottom: 8px;
}
.ai-report-block {
  margin: 10px 0;
  padding: 10px 12px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
}
.ai-report-block-title {
  font-weight: 700;
  margin-bottom: 6px;
}
.ai-report-item {
  margin-bottom: 6px;
}
.ai-report-action {
  color: var(--text-secondary, #64748b);
  padding-left: 12px;
  border-left: 3px solid #fde68a;
  margin-top: 4px;
}
.ai-report-meta {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-secondary, #94a3b8);
}

/* ── 暗色适配（跟随 prefers-color-scheme） ── */
@media (prefers-color-scheme: dark) {
  .chat-bubble-assistant {
    background: #1e293b;
    color: #e2e8f0;
  }
  .agent-card,
  .plan-card,
  .task-card,
  .q-card,
  .qg-history-item,
  .qg-form-card,
  .planner-generate-card,
  .chat-shell,
  .tutor-main {
    background: #161b22;
    border-color: #30363d;
  }
  .task-chip {
    background: #1e293b;
  }
  .tutor-chat-item.active {
    background: #1d2d4f;
  }
  .q-card-text {
    color: #e2e8f0;
  }
  .agent-page-header h1,
  .agent-card h3,
  .plan-card-head h4,
  .plan-detail-head h3,
  .task-title {
    color: #e2e8f0;
  }
}

/* ── 考试时间横幅 ── */
.exam-schedule-banner {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: linear-gradient(135deg, #eff6ff, #f0fdf4);
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 22px;
  font-size: 14px;
  color: #1e293b;
}
.exam-schedule-banner-compact {
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 10px 16px;
  margin-bottom: 18px;
}
.exam-schedule-main {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.exam-schedule-title {
  font-weight: 700;
  color: #1d4ed8;
}
.exam-schedule-date {
  font-weight: 600;
}
.exam-schedule-sessions {
  color: #475569;
}
.exam-schedule-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: #475569;
}
.exam-schedule-today {
  color: #475569;
}
.exam-schedule-count {
  color: #dc2626;
  font-size: 16px;
}
.exam-schedule-ended {
  color: #94a3b8;
}
.exam-schedule-note {
  color: #b45309;
  font-size: 12px;
}

/* ── 导师教练风格 chip ── */
.tutor-coach-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 0.8rem;
  color: #1d4ed8;
  margin-bottom: 12px;
}