/* ========================================
   交互组件 - 表单 / 按钮 / 维度列表 / 骨架屏
   ======================================== */

/* ===== 表单元素 ===== */
.form-group {
  margin-bottom: 24px;
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  padding: 14px 18px;
  background-color: var(--input-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  outline: none;
  font-size: 0.95rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ===== 动态维度列表 ===== */
.dim-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.dim-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background-color: var(--input-bg);
  border: 1.5px solid var(--border-color);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.dim-item:hover {
  border-color: var(--primary);
  transform: translateX(2px);
}

.dim-item input[type="text"] {
  border: none;
  padding: 0 4px;
  font-weight: 600;
  flex: 1;
  min-width: 0;
  width: 100%;
}

.dim-item input[type="text"]:focus { box-shadow: none; }

.dim-count-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-size: 0.88rem;
  color: var(--text-muted);
  background: #f1f5f9;
  padding: 6px 12px;
  border-radius: 6px;
}

.dim-count-wrapper input {
  width: 55px;
  text-align: center;
  padding: 4px 2px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 6px;
  border-radius: 6px;
  transition: all 0.2s;
}

.btn-icon:hover {
  color: var(--danger-color);
  background-color: #fee2e2;
}

/* ===== 实时指标看板 ===== */
.stats-banner {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}

.stat-num {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fbbf24;
}

/* ===== 按钮 ===== */
.btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border: none;
  color: #ffffff;
  padding: 16px 32px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 700;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  font-size: 1rem;
  box-shadow: 0 10px 20px -5px var(--primary-glow);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 25px -5px rgba(0, 102, 255, 0.35);
  text-decoration: none;
}

.btn-sub {
  background: transparent;
  border: 2px dashed var(--border-color);
  color: var(--text-muted);
  box-shadow: none;
  margin-bottom: 20px;
}

.btn-sub:hover {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  transform: none;
  box-shadow: none;
}

/* 导航按钮 */
.nav-btn {
  background: #fff;
  border: 1.5px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 24px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  transition: all 0.2s;
}

.nav-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
}

.nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ===== AI 加载骨架屏 ===== */
.skeleton {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 20px 0;
}

.skeleton-line {
  height: 18px;
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  border-radius: 6px;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}