/* ============================================================
   forms.css — 表单控件
   输入框、选择器、标签、开关
   ============================================================ */

/* 通用输入控件 */
.form-ctrl {
  padding: 9px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: var(--fs-base);
  font-family: inherit;
  outline: none;
  width: 100%;
  transition: border-color 0.2s;
}

.form-ctrl:focus {
  border-color: var(--primary);
}

.form-ctrl::placeholder {
  color: var(--text-3);
}

/* 通用表单标签 */
.form-label {
  font-size: var(--fs-sm);
  color: var(--text-2);
  margin-bottom: 5px;
  display: block;
  font-weight: var(--fw-medium);
}

/* ============================================================
   开关组件
   ============================================================ */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--text-3);
  transition: 0.3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: '';
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-inverse);
  transition: 0.3s;
  border-radius: var(--radius-full);
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* ============================================================
   通用开关样式
   ============================================================ */
.toggle-sw {
  width: 44px;
  height: 24px;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  transition: background 0.25s;
  flex-shrink: 0;
}

.toggle-sw div {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 18px;
  height: 18px;
  border-radius: 9px;
  background: var(--text-inverse);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: all 0.25s;
}

.toggle-sw[data-on='0'] div {
  right: auto;
  left: 3px;
}

.toggle-sw.active {
  background: var(--primary);
}