/* 培养计划查询页面 - Google风格极简设计 */

/* 主容器 - 极简布局 */
.minimal-container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  align-self: stretch;
  padding: var(--spacing-xl) var(--spacing-lg);
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: stretch; /* 避免容器居中影响内部子元素宽度判断 */
}

/* 页面标题 - 简约 */
.page-header {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.greeting-banner {
  text-align: center;
  margin: 0 auto var(--spacing-xl);
  color: var(--text-secondary);
  font-size: 15px;
}

.page-title {
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  font-weight: 400;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}

.accent-text {
  background: var(--sjtu-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 500;
}

/* 顶部工具栏（模式切换 + 年级按钮） */
.plans-toolbar {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

/* 中央搜索区域 - Google风格 */
.central-search { width: 100%; margin-bottom: var(--spacing-2xl); }

.search-container { margin: 0 auto var(--spacing-lg); max-width: 720px; }
.search-bar-wrap { position: relative; }

.search-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-right: 60px;
  border: 1px solid #ddd;
  border-radius: var(--radius-full);
  font-size: 16px;
  font-weight: 400;
  outline: none;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 5px 1px rgba(64,60,67,.16);
  background: #fff;
}

.search-input:hover {
  box-shadow: 0 2px 8px 1px rgba(64,60,67,.24);
}

.search-input:focus {
  border-color: var(--sjtu-blue);
  box-shadow: 0 2px 8px 1px rgba(64,60,67,.24);
}

.search-button { position:absolute; right:12px; top:50%; transform: translateY(-50%); background: linear-gradient(135deg, var(--sjtu-blue), var(--sjtu-purple)); border:none; width:40px; height:40px; border-radius: 12px; display:flex; align-items:center; justify-content:center; cursor:pointer; transition:all var(--transition-normal); color:#fff; box-shadow: 0 6px 16px rgba(37,99,235,0.25); }
.search-button:hover { filter: brightness(1.05); }

.search-button i {
  font-size: 16px;
}

/* 年级选择 - 极简 */
.grade-tabs-minimal { display:flex; flex-wrap: wrap; gap:8px; align-items:center; justify-content:center; overflow-x:auto; white-space:nowrap; padding-bottom: var(--spacing-xs); }

.grade-tab-minimal { padding:6px 12px; border-radius: 10px; background:#fff; color:var(--text-secondary); text-decoration:none; font-size:13px; font-weight:700; transition:all var(--transition-normal); border:1px solid #e5e7eb; box-shadow: 0 1px 2px rgba(0,0,0,0.04); }

.grade-count-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border-radius: var(--radius-full);
}

.grade-tab-minimal:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
  text-decoration: none;
}

.grade-tab-minimal.active { background: linear-gradient(135deg, var(--sjtu-blue), var(--sjtu-purple)); color:#fff; border-color: transparent; box-shadow: 0 6px 16px rgba(37,99,235,0.25); }

.grade-tab-minimal.active .grade-count-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* 个人培养计划 - 紧凑展示 */
.personal-plans-compact {
  width: 100%;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-xl);
}

.section-title-compact {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.plans-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  align-items: stretch;
}

/* 只有主修卡片时，水平居中显示，保持默认卡片宽度（桌面约320px） */
.plans-row.only-major {
  grid-template-columns: 1fr;
  justify-content: center;
  justify-items: center;
}
.plans-row.only-major .plan-card-compact {
  margin-left: auto;
  margin-right: auto;
  width: auto; /* 电脑端仅主修时保持内容宽度 */
  max-width: 480px; /* 1.5x of 320px */
  justify-self: center; /* Grid 层面居中 */
}

/* 小屏仍然让卡片自适应铺满容器宽度 */
@media (max-width: 768px) {
  .plans-row.only-major .plan-card-compact {
    width: 100%;
  }
}

.plan-card-compact {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  box-shadow: 0 1px 3px rgba(60, 64, 67, 0.12);
  min-width: 220px;
  max-width: 320px;
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.plan-card-compact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sjtu-blue), var(--sjtu-purple));
}

.plan-card-compact:hover {
  box-shadow: 0 2px 8px rgba(60, 64, 67, 0.24);
  transform: translateY(-2px);
}

.plan-card-compact.major::before {
  background: var(--sjtu-blue);
}

.plan-card-compact.minor::before {
  background: var(--sjtu-purple);
}

.plan-header-compact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.plan-meta-inline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 13px;
}

.plan-meta-inline .dot { opacity: 0.4; }

.plan-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  color: var(--sjtu-blue);
}

.plan-icon.minor { color: var(--sjtu-purple); }

.plan-type {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: white;
  background: var(--sjtu-blue);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-xs);
}

.plan-card-compact.minor .plan-type {
  background: var(--sjtu-purple);
}

.plan-title-compact {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.4;
  min-height: 2.8em; /* 两行占位 */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.plan-info {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  font-size: 13px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.plan-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  transition: all var(--transition-normal);
  background: var(--sjtu-blue);
  border-radius: 10px;
  padding: 10px 14px;
  width: 100%;
  min-height: 40px;
}

.plans-row .plan-card-compact .plan-link { margin-top: auto; } /* 按钮底部对齐 */

.plan-link:hover {
  background: var(--sjtu-blue-dark);
  color: #fff;
  text-decoration: none;
}

.plan-link i {
  font-size: 12px;
}

/* 轻量“搜索中”小弹窗样式（精致、居中，比结果弹窗小） */
.searching-dialog-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  z-index: 1100;
  opacity: 0;
  transition: opacity .18s ease;
}
.searching-dialog-overlay.visible { opacity: 1; }
.searching-dialog {
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  border: 1px solid #e6eefb;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.18);
  padding: 16px 18px;
  color: #1f2937;
  font-size: 14px;
  line-height: 1.5;
  transform: translateY(8px) scale(0.99);
  transition: transform .18s ease, box-shadow .18s ease;
  max-width: min(88vw, 520px);
  width: max-content;
  text-align: center;
}
.searching-dialog-overlay.visible .searching-dialog {
  transform: translateY(0) scale(1);
}

/* 按钮内的小型加载指示器 */
.spinner {
  width: 18px;
  height: 18px;
  border: 3px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* 用户信息 - 简约版 */
.user-info-minimal {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 500px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .minimal-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  .central-search, .page-header, .personal-plans-compact { max-width: 720px; margin-left: auto; margin-right: auto; }
  .search-container { max-width: 640px; }
  
  .page-title {
    font-size: clamp(1.5rem, 6vw, 1.8rem);
  }
  
  .central-search {
    max-width: 100%;
  }
  
  .search-input {
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: 50px;
    font-size: 16px; /* 防止iOS缩放 */
  }
  
  .search-button {
    right: 8px;
    width: 36px;
    height: 36px;
  }
  
  /* 年级标签保持横向滚动，整体居中对齐 */
  .grade-tabs-minimal { display: grid; grid-auto-flow: column; grid-auto-columns: max-content; overflow-x: auto; padding-bottom: 6px; justify-content: center; }
  .grade-tab-minimal { padding: 8px 12px; font-size: 13px; margin: 0 auto; }
  
  .plans-row { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }
  .plan-card-compact { width: 100%; max-width: 520px; margin-left: auto; margin-right: auto; }
}

@media (max-width: 480px) {
  .minimal-container {
    padding: var(--spacing-md);
  }
  
  .page-header {
    margin-bottom: var(--spacing-xl);
  }
  
  .central-search {
    margin-bottom: var(--spacing-xl);
  }
  
  .plan-card-compact {
    padding: var(--spacing-md);
  }
  .searching-dialog { padding: 14px 16px; font-size: 13px; max-width: 92vw; }
}

/* 简约风格的焦点状态 */
.search-input:focus,
.grade-tab-minimal:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* 页面加载动画 - 轻微 */
.minimal-container > * {
  animation: fadeInUp 0.5s ease-out forwards;
}

.minimal-container > *:nth-child(1) { animation-delay: 0.1s; }
.minimal-container > *:nth-child(2) { animation-delay: 0.2s; }
.minimal-container > *:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}